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51. 发明专利

JP2005316302A Optical scanner, image forming apparatus and scanning resin lens 有权
标题翻译：光学扫描仪，图像形成装置和扫描树脂镜片
公开(公告)号：JP2005316302A
公开(公告)日：2005-11-10
申请号：JP2004136353
申请日：2004-04-30
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HAYASHI YOSHIAKI , ATSUMI HIROMICHI , IZUMI YASUTAKA , YAMANAKA YASUO , TOMITA YASUMASA , SERIZAWA KEIICHI
IPC分类号： B41J2/44 , G02B13/00 , G02B13/18 , G02B26/10 , H04N1/036 , H04N1/113
摘要： PROBLEM TO BE SOLVED: To realize an optical scanning with an excellent spot diameter by effectively solving the problem of scanning line bending in an optical scanner using an inexpensive resin mold lens having an excellent transfer characteristic and mass productivity.
SOLUTION: In the optical scanner in which scanning is performed with a luminous flux which is emitted from one or more light sources and deflected with a deflection means, the deflected luminous flux is guided onto one or more faces to be scanned with one or more sets of scanning and imaging lenses, and the face to be scanned is optically scanned, a scanning and imaging lens is composed of one or more scanning lenses, at least one scanning lens is a scanning resin lens 8 of molded resin, having a positive power in a subscanning direction and an incomplete transfer part of a concave or convex form on the side of the subscanning direction on faces through which light does not pass, and a deformation means 21, 23 through 27 are provided to deform the scanning resin lens 8 to correct the bending of scanning line.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过有效地解决使用具有优异的转印特性和批量生产率的便宜的树脂模具透镜在光学扫描仪中扫描线弯曲的问题，实现具有优异光斑直径的光学扫描。解决方案：在其中利用从一个或多个光源发射并用偏转装置偏转的光束执行扫描的光学扫描器中，偏转的光束被引导到一个或多个要被扫描的面上或更多组的扫描和成像透镜，并且要扫描的面被光学扫描，扫描和成像透镜由一个或多个扫描透镜组成，至少一个扫描透镜是模制树脂的扫描树脂透镜8，具有在副扫描方向上的正功率和在副扫描方向侧上的凹或凸形的不完全转印部分在光不通过的面上，并且设置变形装置21,23至27以使扫描树脂透镜 8来校正扫描线的弯曲。版权所有（C）2006，JPO＆NCIPI

52. 发明专利

JP2005157125A Plastic lens, its forming method, and optical scanning equipment 审中-公开
标题翻译：塑料镜片，其成型方法和光学扫描设备
公开(公告)号：JP2005157125A
公开(公告)日：2005-06-16
申请号：JP2003397831
申请日：2003-11-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAWADA KIYOTAKA , YAMANAKA YASUO , WATABE JUN , HARADA TOMOHIRO
IPC分类号： G02B26/10 , B29C45/40 , B29L11/00 , G02B3/02
摘要： PROBLEM TO BE SOLVED: To obtain a highly-accurate plastic lens which is little in shape deformation and is small in the deviation of a lens face shape from its design value without increasing cost.
SOLUTION: The plastic lens having a long-sized rectangular cross section has a cross sectional shape that the ratio (h/d) of the cross sectional dimension changes continuously along a long-length direction and satisfies either of (h/d>1) or (h/d
摘要翻译：要解决的问题：为了获得形状变形小的高精度塑料透镜，并且透镜面形状与其设计值的偏差小，而不增加成本。解决方案：具有长方形横截面的塑料透镜具有横截面形状，其横截面尺寸的比率（h / d）沿长度方向连续变化，并满足（h / d）当与横截面形状的射线透射方向正交的宽度尺寸的最大值被定义为（d），并且高度尺寸的平均于射线透射方向的最大值（> 1）或（h / d < 如（h）所示。版权所有（C）2005，JPO＆NCIPI

53. 发明专利

JP2005111700A Mold for molding plastic and plastic molded product 审中-公开
标题翻译：模塑塑料和塑料模制品的模具
公开(公告)号：JP2005111700A
公开(公告)日：2005-04-28
申请号：JP2003345508
申请日：2003-10-03
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HARADA TOMOHIRO , YAMANAKA YASUO , SAWADA KIYOTAKA
IPC分类号： B29C33/38 , B29C33/02
摘要： PROBLEM TO BE SOLVED: To provide a mold for molding a plastic by reducing having less variation in the shrink quantity of a plastic molded product after taken out of the mold and having excellent shape dimensional precision the temperature distribution of a core in the vicinity of a cavity.
SOLUTION: An injection mold 3 has the cavity 6 surrounded by a mirror surface piece 4 (made of a SUS steel material) forming an optical surface and a cavity core 5 (made of a metal-ceramics composite material). A cartridge heater 8 for heating the mold and a thermocouple 9 are respectively provided to the cavity core 5 and a mold base 7 (carbon steel) to be connected to a temperature controller. Further, a high heat conductivity/high thermal expansion coefficient material layer 10 (copper alloy) is provided between the cartridge heater 8 and the cavity core 5. The metal-ceramics composite material comprises a material obtained by compounding an Al-Si aluminum alloy and SiC ceramics by a non-pressure metal permeation method and the SiC content thereof is 55 vol%.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供一种用于模制塑料的模具，通过减少塑料模制品在从模具中取出后的收缩量变化较小并且具有优异的形状尺寸精度的情况下，将芯体的温度分布空腔附近。解决方案：注射模具3具有由形成光学表面的镜面片4（由SUS钢材制成）和型腔芯5（由金属 - 陶瓷复合材料制成）包围的腔体6。用于加热模具的盒加热器8和热电偶9分别设置到腔芯5和与温度控制器连接的模座7（碳钢）。此外，在筒式加热器8和型腔芯5之间设置有高导热率/高热膨胀系数材料层10（铜合金）。金属 - 陶瓷复合材料包括通过将Al-Si铝合金和通过非压力金属渗透法制备SiC陶瓷，其SiC含量为55体积％。版权所有（C）2005，JPO＆NCIPI

54. 发明专利

JP2004276540A Device for producing plastic molded product 审中-公开
公开(公告)号：JP2004276540A
公开(公告)日：2004-10-07
申请号：JP2003074547
申请日：2003-03-18
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAMANAKA YASUO , SAWADA KIYOTAKA , HARADA TOMOHIRO
IPC分类号： G02B3/00 , B29C45/37 , B29C45/56 , B29C45/80 , B29L11/00
摘要： PROBLEM TO BE SOLVED: To provide a multi-cavity plastic molding device which is easy in multi-cavity molding even in a large size, thick or uneven thickness molded product and can produce the high-precision molded product at low cost.
SOLUTION: In this plastic molding device, a mold cavity 5 kept at a temperature lower than the softening point of a melted resin is filled therewith, and then the resin is cooled to lower than its softening point. In such a process, a slidable cavity piece 4a is moved toward the direction to be separated from the resin to form a minute gap between a surface to be transferred and the resin. Then, the resin is further cooled and a mold is opened to take out the molded product. The device has a second member 6 abutting on the slidable cavity piece, and a driving means 7 for driving the second member to an advancing or retreating direction which is perpendicular to the sliding direction of the cavity piece. A plurality of cavity pieces are arranged symmetrically around the second member as a center while abutting on the angular cam surface thereof.
COPYRIGHT: (C)2005,JPO&NCIPI

55. 发明专利

JP2010256802A Developer carrier, method for manufacturing developer carrier, developing device and image forming apparatus 审中-公开
标题翻译：开发者承运人，制造发展商承运人的方法，开发装置和图像形成装置
公开(公告)号：JP2010256802A
公开(公告)日：2010-11-11
申请号：JP2009109550
申请日：2009-04-28
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TEZUKA SHINJI , YAMANAKA YASUO , YOHIRA TETSUYA
IPC分类号： G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a developer carrier for use in a non-contact developing system, having two-phase electrodes capable of applying mutually different voltages, wherein there is no risk to cause a short circuit between the electrodes, and developer-hopping can be achieved with less power; and to manufacture the developer carrier at low cost. SOLUTION: The developer carrier includes: the first electrode 11; an insulating layer 12 covering the whole surface of the first electrode; the second electrode 13 having an electrode part 13a and an opening 13b; and a protective layer 14 covering the second electrode. In developer carrier, the insulating layer is constituted by dispersing a second insulating material having a relative dielectric constant lower than that of a first insulating material in the continuous first insulating material. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于非接触式显影系统的显影剂载体，具有能够施加相互不同电压的两相电极，其中不存在引起电极之间的短路的危险，以及开发人员跳跃可以用更少的功率实现; 并以低成本制造开发者载体。显影剂载体包括：第一电极11; 覆盖第一电极的整个表面的绝缘层12; 第二电极13具有电极部分13a和开口13b; 以及覆盖第二电极的保护层14。在显影剂载体中，绝缘层通过将具有低于第一绝缘材料的相对介电常数的第二绝缘材料分散在连续的第一绝缘材料中而构成。版权所有（C）2011，JPO＆INPIT

56. 发明专利

JP2010142985A Method of molding resin composition, and molding thereof 有权
标题翻译：树脂组合物的成型方法及其模塑方法
公开(公告)号：JP2010142985A
公开(公告)日：2010-07-01
申请号：JP2008320153
申请日：2008-12-16
申请人： Agri Bioindustry:Kk , Hokkaido Univ , Ricoh Co Ltd , 国立大学法人北海道大学 , 株式会社アグリバイオインダストリ , 株式会社リコー
发明人： YAGINUMA HIDEKAZU , HARADA TADAKATSU , YAMANAKA YASUO , MUNAKATA MASANOBU , TAJIMA KENJI , SATO KOJI , MATSUSHIMA TOKUO
IPC分类号： B29C45/00 , B29C45/76 , B29K67/00 , B29L31/34 , C08K3/34 , C08K5/07 , C08K5/09 , C08L67/04 , C08L101/16
摘要： PROBLEM TO BE SOLVED: To provide a method of molding a molding of excellent heat resistance, from a thermoplastic resin with a high ratio of biomass resource-derived raw material, by moldability comparable with that a conventional petroleum resin. SOLUTION: This method is the method of molding a resin composition containing a thermoplastic resin A comprising a microorganism-produced polyhydroxy alkanoate containing constitutive units expressed by chemical formula (1):-[-O-CH(CH 3 )-CH 2 -CO-]- and chemical formula (2):-[-O-CH(R)-CH 2 -CO-]- (wherein R is C n H 2n+1 (n=2-14)), and a thermoplastic resin B comprising a polylactic acid, and expression (3): 122.9c 2 -30.4≤T, and expression (4): 25≤T≤90, are satisfied (wherein c represents a molar ratio of the constitutive unit expressed by chemical formula (1) in the thermoplastic resin A; and T°C represents a molding die temperature in the molding of the resin composition). COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：待解决的问题：通过与常规石油树脂相当的成型性，提供从具有高比例的生物质原料原料的热塑性树脂成型耐热性优异的成型方法。解决方案：该方法是包含含有由化学式（1）表示的组成单元的微生物生产的多羟基链烷酸酯的热塑性树脂A的树脂组合物的成型方法： - [ - O-CH（CH 3）化学式（2）： - [ - O-CH（R）-CH 2 SB 2 -CO-] - （其中R为C H 2n + 1 （n = 2-14））和包含聚乳酸的热塑性树脂B和表达式（3）： 122.9c 2 -30.4≤T，表达式（4）：25≤T≤90（其中c表示由热塑性塑料中化学式（1）表示的构成单元的摩尔比树脂A; T℃表示树脂组合物成型时的成形模温度）。版权所有（C）2010，JPO＆INPIT

57. 发明专利

JP2010031230A Flame-retardant resin composition and molded article 有权
标题翻译：阻燃树脂组合物和成型品
公开(公告)号：JP2010031230A
公开(公告)日：2010-02-12
申请号：JP2009049709
申请日：2009-03-03
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HARADA TADAKATSU , YAMANAKA YASUO , YAGINUMA HIDEKAZU , NISHIO YOSHIYUKI , AOKI DAN
IPC分类号： C08L101/00 , C08L1/08
摘要： PROBLEM TO BE SOLVED: To provide a flame-retardant resin composition and a molded article which is low in the dependence on petroleum and is high in the dependence on plants, and thereby is low in the environmental load, and which is excellent in impact resistance, moldability, and flame retardancy. SOLUTION: The flame-retardant resin composition comprises a thermoplastic resin and a flame retardant. The flame-retardant comprises phosphorus-containing polysaccharide that is formed by attaching phosphate ester to a side chain of natural polysaccharide. An embodiment or the like in which rate of content of phosphorus of the phosphorus containing polysaccharide is at least 1 mass% and at most 20 mass%, and mass ratio of the thermoplastic resin (A) and the phosphorus containing polysaccharide (B) (A:B) is 50:50-90:10 is desirable. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：待解决的问题：提供一种阻燃树脂组合物和与石油相关性低且对植物依赖性高的成型品，因此环境负荷低，优异的耐冲击性，成型性和阻燃性。阻燃树脂组合物包含热塑性树脂和阻燃剂。阻燃剂包括通过将磷酸酯连接到天然多糖的侧链而形成的含磷多糖。含磷多糖的磷含量比例为1质量％以上20质量％以下的实施方式，热塑性树脂（A）和含磷多糖（B）（A）的质量比：B）为50:50-90:10是理想的。版权所有（C）2010，JPO＆INPIT

58. 发明专利

JP2008046317A Optical element, optical scanning device, and image forming apparatus 有权
标题翻译：光学元件，光学扫描装置和图像形成装置
公开(公告)号：JP2008046317A
公开(公告)日：2008-02-28
申请号：JP2006221259
申请日：2006-08-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KIMURA TOMONORI , HAYASHI HIDEKAZU , YAMANAKA YASUO
IPC分类号： G02B7/00 , G02B26/10
CPC分类号： G02B26/125 , G02B7/022 , G02B13/0005 , G02B26/123
摘要： PROBLEM TO BE SOLVED: To provide an optical element that can improve placement accuracy of the optical element. SOLUTION: The optical element has an optical surface and at least three projections on a surface different from the optical surface and is characterized in that, among at least three projections, centers of two projections having the largest interval of the centers, and the center of one projection giving the longest normal line from the center to the straight line connecting the centers of the above two projections are located within or on a first circle the center of which is the gravity center of the surface having at least the three projections and the radius of which is equal to L/2, wherein L is the length of the optical element in the direction of the straight line connecting the centers of the above two projections. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供可以提高光学元件的放置精度的光学元件。解决方案：光学元件具有光学表面和在与光学表面不同的表面上的至少三个突起，其特征在于，在至少三个突起中，具有最大间隔间隔的两个突起的中心，以及从中心延伸到连接上述两个突起的中心的直线的最长法线的一个突起的中心位于第一圆内或第一圆上，第一圆的中心是具有至少三个突起的表面的重心并且其半径等于L / 2，其中L是沿着连接上述两个突起的中心的直线的方向上的光学元件的长度。版权所有（C）2008，JPO＆INPIT

59. 发明专利

JP2007283752A Method and apparatus for manufacturing resin molding, and resin molding 有权
标题翻译：用于制造树脂模制和树脂模塑的方法和装置
公开(公告)号：JP2007283752A
公开(公告)日：2007-11-01
申请号：JP2007022755
申请日：2007-02-01
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： WATABE JUN , YAMANAKA YASUO , SAWADA KIYOTAKA , UEDA KEIJI , SUGIMOTO YASUKI
IPC分类号： B29C45/56 , B29C45/26 , B29C45/57 , B29C45/78 , B29L11/00
摘要： PROBLEM TO BE SOLVED: To provide a resin molding to which an optical mirror surface and a micropattern are transferred with a high degree of accuracy in a short molding cycle, and which is reduced in internal distortion. SOLUTION: A movable insert 2 is moved in the direction of separation from a resin 4, with a timing when at least the central temperature of the resin 4 in a cavity 3 is equal to or higher than the softening temperature of the resin, or when the temperature of a surface layer part is equal to or lower than the softening temperature of the resin and the mean temperature of the resin is equal to or higher than the softening temperature, midway through a step in which the resin 4 is cooled up to the temperature of the cavity 3, equal to or lower than the softening temperature; and a void 15 is formed as a heat insulating layer between a transfer surface 5 and the resin 4. In the void 15, the movable insert 2 separated from the resin 4 is re-moved in the direction of adhering to the resin 4, with a timing when the temperature of the surface layer part, that is, that of the resin 4 itself, becomes equal to or higher than the softening temperature, and the resin 4 and the transfer surface 5 readheres to each other, so that the shape of the transfer surface 5 can be transferred to the surface of the resin 4. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种在短的成型周期中高精度地转移光学镜面和微图案的树脂模制品，并且内部变形减小。解决方案：可移动插入件2在树脂4的分离方向上移动，至少在腔3中的树脂4的中心温度等于或高于树脂的软化温度，或者当表面层部分的温度等于或低于树脂的软化温度并且树脂的平均温度等于或高于软化温度时，通过树脂4冷却的步骤的中途直到空腔3的温度等于或低于软化温度; 并且在转印表面5和树脂4之间形成作为绝热层的空隙15.在空隙15中，与树脂4分离的可动嵌件2沿着粘附到树脂4的方向被再移动，当表面层部分的温度，即树脂4本身的温度变得等于或高于软化温度，并且树脂4和转印表面5彼此重叠的时刻，使得形状转印面5可以转印到树脂4的表面。版权所有（C）2008，JPO＆INPIT

60. 发明专利

JP2006126333A Plastic optical element, optical scanner provided with element, and image forming apparatus 审中-公开
标题翻译：塑料光学元件，提供元件的光学扫描仪和图像形成装置
公开(公告)号：JP2006126333A
公开(公告)日：2006-05-18
申请号：JP2004312151
申请日：2004-10-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： KIMURA TOMONORI , YAMANAKA YASUO
IPC分类号： G02B3/00 , B41J2/44 , G02B26/10 , H04N1/036
摘要： PROBLEM TO BE SOLVED: To provide a plastic optical element with high productivity capable of preventing an adhesive from flowing out to the optical face without drastically enhancing the precision of the plastic optical element, and also to provide an optical scanner provided with the plastic optical element, and an image forming apparatus. SOLUTION: The plastic optical element 100 is constituted so that a plurality of plastic optical element single bodies 101, each of which has one or more optical faces 104, are laminated and integrally formed by adhesion, wherein the face of the plastic optical element single body 101 including one or both of joining faces 105 is provided with an untransferred part 103 with respect to a die wall surface for forming the face, and at least one or more protruded parts 102a or recessed parts 102b are formed between the joining faces 105 and the optical faces 104 of the plastic optical element single bodies 101. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供能够防止粘合剂流出到光学面的高生产率的塑料光学元件，而不会显着提高塑料光学元件的精度，并且还提供一种设置有塑料光学元件和图像形成装置。解决方案：塑料光学元件100被构造成使得具有一个或多个光学面104的多个塑料光学元件单体101被层压并通过粘合整体形成，其中塑料光学元件包括一个或两个接合面105的元件单体101相对于用于形成面的模具壁表面设置有未转印部分103，并且至少一个或多个突出部分102a或凹陷部分102b形成在接合面 105和塑料光学元件单体101的光学面104.版权所有（C）2006，JPO＆NCIPI

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