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1. 发明授权

US06773857B2 Electrophotographic photoreceptor, processes for producing the same, process cartridge, and electrophotographic apparatus 失效
标题翻译：电子照相感光体，其制造方法，处理盒和电子照相设备
公开(公告)号：US06773857B2
公开(公告)日：2004-08-10
申请号：US10265783
申请日：2002-10-08
申请人： Hirofumi Nakamura , Ichiro Takegawa , Hidemi Nukada , Masahiro Iwasaki , Michiko Aida , Yukiko Kamijo , Masahiko Miyamoto , Tetsuya Ezumi , Takashi Yamada , Koji Bando , Taketoshi Hoshizaki
发明人： Hirofumi Nakamura , Ichiro Takegawa , Hidemi Nukada , Masahiro Iwasaki , Michiko Aida , Yukiko Kamijo , Masahiko Miyamoto , Tetsuya Ezumi , Takashi Yamada , Koji Bando , Taketoshi Hoshizaki
IPC分类号： G03G1504
CPC分类号： G03G5/142 , G03G5/14
摘要： An electrophotographic photoreceptor having, between an electroconductive substrate and a photosensitive layer, an interlayer which contains fine metal oxide particles and a binder resin and which, when an electric field of 106 V/m is applied thereto at 28° C. and 85% RH, has a volume resistivity of from 108 to 1013 &OHgr;·cm and, when an electric field of 106 V/m is applied thereto at 15° C. and 15% RH, has a volume resistivity which is up to 500 times the volume resistivity thereof as measured when an electric field of 106 V/m is applied thereto at 28° C. and 85% RH.
摘要翻译：一种电子照相感光体，其在导电性基材和感光层之间具有含有金属氧化物微粒和粘合剂树脂的中间层，并且当在28℃下施加10 6 V / m的电场时， 85％RH，体积电阻率为10 8至10 13Ω·cm，当在15℃和15％RH下施加10 6 V / m的电场时，具有当在28℃和85％RH下施加10 6 V / m的电场时，体积电阻率高达其体积电阻率的500倍。

2. 发明授权

US6136946A Process for producing high-molecular-weight polycarbonate and electrophotographic photoreceptor using polycarbonate obtained by the process 失效
标题翻译：使用通过该方法获得的聚碳酸酯制造高分子量聚碳酸酯和电子照相感光体的方法
公开(公告)号：US6136946A
公开(公告)日：2000-10-24
申请号：US318850
申请日：1999-05-26
申请人： Kenji Yao , Masahiko Miyamoto , Ichiro Takegawa , Michiko Aida
发明人： Kenji Yao , Masahiko Miyamoto , Ichiro Takegawa , Michiko Aida
IPC分类号： C08G64/30 , G03G5/05 , C08G64/00
CPC分类号： C08G64/30 , G03G5/0564
摘要： Provided are a process for producing a high-molecular-weight polycarbonate, which comprises polymerizing a diol and a carbonate diester through transesterification with heating in the presence of a basic oxide catalyst, and an electrophotographic photoreceptor containing this high-molecular-weight polycarbonate as a binder resin. This process can easily produce the high-molecular-weight polycarbonate safely without having an adverse effect on humans and environment. This electrophotographic photoreceptor can provide a high-quality image having a high stability at high speed over a long period of time.
摘要翻译：本发明提供高分子量聚碳酸酯的制造方法，其特征在于，在碱性氧化物催化剂的存在下，通过加热，通过酯交换将二醇和碳酸二酯聚合，得到含有该高分子量聚碳酸酯的电子照相感光体粘合剂树脂。该方法可以容易地安全地生产高分子量聚碳酸酯，而不会对人体和环境产生不利影响。该电子照相感光体可以长时间高速提供高稳定性的高品质图像。

3. 发明授权

US5795690A Electrophotographic photoreceptor, image forming apparatus and image forming process 失效
标题翻译：电子照相感光体，成像装置和成像方法
公开(公告)号：US5795690A
公开(公告)日：1998-08-18
申请号：US784545
申请日：1997-01-21
申请人： Ichiro Takegawa , Hidemi Nukada , Hiroshi Yamamoto , Koji Goshima , Takaaki Kimura
发明人： Ichiro Takegawa , Hidemi Nukada , Hiroshi Yamamoto , Koji Goshima , Takaaki Kimura
IPC分类号： G03G5/06 , G03G5/14 , G03G5/047
CPC分类号： G03G5/0659 , G03G5/0657 , G03G5/0679 , G03G5/0681 , G03G5/142
摘要： An electrophotographic photoreceptor is disclosed which comprises an electrically-conductive substrate having provided thereon an undercoat layer and a photosensitive layer, wherein said undercoat layer comprises a crosslinkable matrix and an electron-transporting material.
摘要翻译：公开了一种电子照相感光体，其包括其上设置有底涂层和感光层的导电基底，其中所述底涂层包含可交联基质和电子传输材料。

4. 发明申请

US20070286644A1 Image forming apparatus and image forming method 审中-公开
标题翻译：图像形成装置及图像形成方法
公开(公告)号：US20070286644A1
公开(公告)日：2007-12-13
申请号：US11604049
申请日：2006-11-24
申请人： Ichiro Takegawa
发明人： Ichiro Takegawa
IPC分类号： G03G15/00
CPC分类号： G03G9/0928 , G03G5/04 , G03G5/147 , G03G7/0006 , G03G9/0926 , G03G15/0121 , G03G15/0157 , G03G15/0163 , G03G15/0173 , G03G2215/017 , G03G2215/0187
摘要： An image forming apparatus includes a photoreceptor, a latent image-forming unit that forms an electrostatic latent image on the surface of the photoreceptor with light, a developing unit that develops the electrostatic latent image using a toner to form a toner image, a color data-applying unit that applies the color data with light to the toner image, a transferring unit that transfers the toner image onto a surface of a recording medium, a fixing unit that fixes the toner image onto the surface of the recording medium, and a color formation unit that forms color of the toner image, the photoreceptor having a surface layer that scatters or absorbs the light which the color data applying unit applies to the toner image and that transmits the light which the latent image-forming unit applies to form the electrostatic latent image.
摘要翻译：图像形成装置包括感光体，在光感光体的表面上形成静电潜像的潜像形成单元，使用调色剂显影静电潜像以形成调色剂图像的显影单元，颜色数据将调色剂图像转印到记录介质的表面上的转印单元，将调色剂图像固定在记录介质的表面上的定影单元以及颜色形成单元，其形成调色剂图像的颜色，感光体具有散射或吸收颜色数据施加单元对调色剂图像施加的光并且透过潜像形成单元施加的光以形成静电的表面层潜像

5. 发明申请

US20060140648A1 Electrophotographic photoreceptor, process cartridge, and image forming apparatus 失效
公开(公告)号：US20060140648A1
公开(公告)日：2006-06-29
申请号：US11236816
申请日：2005-09-28
申请人： Ichiro Takegawa
发明人： Ichiro Takegawa
IPC分类号： G03G15/00
CPC分类号： G03G15/5033 , G03G15/751
摘要： An electrophotographic photoreceptor includes: a conductive supporting member; a photosensitive layer that is disposed on the conductive supporting member; and a non-contact IC tag that retains inspection information including a previously measured characteristic parameter of the photosensitive layer.

6. 发明授权

US5550000A Process for producing electrophotographic photoreceptor 失效
标题翻译：电子照相感光体的制造方法
公开(公告)号：US5550000A
公开(公告)日：1996-08-27
申请号：US417886
申请日：1995-04-06
申请人： Ichiro Takegawa , Shigeto Hashiba , Hiroshi Miyamoto , Nobuyuki Ichizawa
发明人： Ichiro Takegawa , Shigeto Hashiba , Hiroshi Miyamoto , Nobuyuki Ichizawa
IPC分类号： G03G5/00 , C09C3/12 , G03G5/05 , G03G5/14 , G03G5/06 , G03G5/047
CPC分类号： G03G5/142 , C09C3/12 , G03G5/0525 , C01P2004/84
摘要： A process for the preparation of an electrophotographic photoreceptor having a high sensitivity and stability and an excellent product quality stability without being affected by the production environment is disclosed, which comprises coating on a substrate a functional layer-forming coating solution containing a compound which undergoes polycondensation upon hydrolysis, adjusting a temperature of said substrate having the coated layer such that relationship (1) is satisfied, and then moistening said coated layer at a temperature of 30.degree. C. to 180.degree. C. in an atmosphere of a dew point of 25.degree. C. to 80.degree. C.:DP.ltoreq.ST.ltoreq.DP+40.degree. C. (1)wherein DP represents the dew point upon said moistening and ST represents the temperature of the substrate just before said moistening.
摘要翻译：公开了一种用于制备具有高灵敏度和稳定性以及优异的产品质量稳定性而不受生产环境影响的电子照相感光体的方法，其包括在基材上涂覆含有经历缩聚的化合物的功能层形成涂层溶液在水解时，调节具有涂层的所述基材的温度使得满足关系（1），然后在露点25℃的气氛中在30℃至180℃的温度下润湿所述涂层 ℃至80℃：DP

7. 发明授权

US5141832A Electrophotographic photoreceptor with copolymerized polycarbonate resin 失效
标题翻译：具有共聚聚碳酸酯树脂的电子光电子
公开(公告)号：US5141832A
公开(公告)日：1992-08-25
申请号：US592626
申请日：1990-10-04
申请人： Ichiro Takegawa , Kiyokazu Mashimo , Yasuo Sakaguchi , Makoto Takemoto
发明人： Ichiro Takegawa , Kiyokazu Mashimo , Yasuo Sakaguchi , Makoto Takemoto
IPC分类号： C08G64/00 , C08G64/06 , G03G5/05
CPC分类号： C08G64/06 , G03G5/0564
摘要： An electrophotographic photoreceptor excellent in durability is disclosed, which has a conductive substrate having provided thereon a photosensitive layer, wherein said photosensitive layer contains a copolymerized polycarbonate resin comprising repeating units represented by structural formula (I) and repeating units represented by structural formula (II) as a binder resin: ##STR1## wherein m/(n+m) is from 0.1 to 0.9 by molar ratio.
摘要翻译：公开了耐久性优异的电子照相感光体，其具有在其上设置有感光层的导电性基材，其中所述感光层含有包括由结构式（I）表示的重复单元和由结构式（II）表示的重复单元）的共聚聚碳酸酯树脂，作为粘合剂树脂：其中m /（n + m）的摩尔比为0.1-0.9。

8. 发明申请

US20050053855A1 Image forming method 失效
标题翻译：图像形成方法
公开(公告)号：US20050053855A1
公开(公告)日：2005-03-10
申请号：US10795395
申请日：2004-03-09
申请人： Ichiro Takegawa , Tsukasa Matsuda
发明人： Ichiro Takegawa , Tsukasa Matsuda
IPC分类号： G03G5/05 , G03G7/00 , G03C1/46
CPC分类号： G03G7/0013 , G03G5/0539 , G03G5/0564 , G03G5/0578 , G03G7/0006 , G03G7/004
摘要： An image forming method includes a photoreceptor preparation step, a coated paper preparation step, a charging step, an exposure step, a development step, and a transfer step. The electrophotographic photoreceptor has a conductive support and a photosensitive layer disposed on the conductive support. The photosensitive layer on the farthest side from the conductive support, includes a surface layer containing at least one selected from the group consisting of fluorine based resin fine particles, a carbonate resin, an arylate resin. The coated paper has a substrate and a coated layer, disposed on at least one surface of the substrate. The coated layer contains an adhesive containing latex having a glass transition temperature of 20° C. or higher and a pigment, and the surface, opposite to the substrate, of the coated layer has a glossiness of 10% or more.
摘要翻译：图像形成方法包括感光体制备步骤，涂布纸制备步骤，充电步骤，曝光步骤，显影步骤和转印步骤。电子照相感光体具有导电性支持体和配置在导电性支持体上的感光层。与导电性支持体最远侧的感光层包含含有选自氟系树脂微粒，碳酸酯树脂，芳基化物树脂中的至少一种的表层。涂布纸具有设置在基板的至少一个表面上的基板和涂层。涂层含有玻璃化转变温度为20℃以上的粘合剂含胶乳和颜料，并且与涂层相对的与基材相反的表面的光泽度为10％以上。

9. 发明授权

US5763127A Electrophotographic photoreceptor 失效
标题翻译：电子照相感光体
公开(公告)号：US5763127A
公开(公告)日：1998-06-09
申请号：US684848
申请日：1996-07-25
申请人： Koji Goshima , Ichiro Takegawa
发明人： Koji Goshima , Ichiro Takegawa
IPC分类号： G03G5/14
CPC分类号： G03G5/142 , G03G5/144
摘要： An electrophotographic photoreceptor is disclosed which comprises an electroconductive support, a first interlayer formed on the support and containing low-resistance electroconductive particles having a specific resistance of from 10.degree. to 10.sup.4 .OMEGA.cm, a second interlayer formed on the first interlayer and containing high-resistance electroconductive particles having a specific resistance of from 10.sup.4 to 10.sup.8 .OMEGA.cm, and a photosensitive layer formed on the second interlayer. In the electrophotographic photoreceptor, in which the interlayers have an increased thickness for hiding defects present on the support and contain electroconductive particles dispersed therein, the photosensitive layer is free from the electrification performance decrease caused by charge injection thereinto and the interlayers have excellent leak-preventive properties.
摘要翻译：公开了一种电子照相感光体，其包括导电载体，形成在载体上的第一中间层，并且含有电阻率为10至104欧标准的低电阻导电颗粒，形成在第一夹层上的第二夹层，电阻率为104-108欧姆/厘米3的电阻导电颗粒，和形成在第二层间的感光层。在电子照相感光体中，中间层具有增加的厚度，用于隐藏存在于载体上的缺陷并且包含分散在其中的导电颗粒，感光层没有由电荷注入引起的带电性能降低，并且中间层具有优异的防漏性属性。

10. 发明授权

US5338636A Dichlorotin phthalocyanine crystal electrophotographic photoreceptor using the same, and coating composition for electrophotographic photoreceptor 失效
标题翻译：使用其的二氯酞菁电子照相感光体和电子照相感光体用涂料组合物
公开(公告)号：US5338636A
公开(公告)日：1994-08-16
申请号：US1515
申请日：1993-01-06
申请人： Katsumi Nukada , Akira Imai , Katsumi Daimon , Masakazu Iijima , Kiyokazu Mashimo , Yasuo Sakaguchi , Ichiro Takegawa
发明人： Katsumi Nukada , Akira Imai , Katsumi Daimon , Masakazu Iijima , Kiyokazu Mashimo , Yasuo Sakaguchi , Ichiro Takegawa
IPC分类号： C09B67/50 , G03G5/05 , G03G5/06 , C09B47/08
CPC分类号： C09B67/0026 , G03G5/0614 , G03G5/0696 , G03G5/0542
摘要： A novel dichlorotin phthalocyanine crystal having distinct diffraction peaks at 8.5.degree., 11.2.degree., 14.5.degree., and 27.2.degree. of the Bragg angles (2.theta..+-.0.2) in the X-ray diffraction spectrum; process for producing the dichlorotin phthalocyanine crystal, comprising mechanically grinding a known dichlorotin phthalocyanine crystal together with an inorganic salt, followed by, if desired, a solvent treatment; an electrophotographic photoreceptor containing, in the photosensitive layer thereof, the dichlorotin phthalocyanine crystal; and a coating composition for producing an electrophotographic photoreceptor, comprising the dichlorotin phthalocyanine crystal, a binder resin, and an acetic ester solvent. The photoreceptor exhibits high sensitivity and excellent durability. The coating composition maintains the dichlorotin phthalocyanine crystal in its desired form either while being prepared or after being coated.
摘要翻译：在X射线衍射光谱中，在布拉格角（2θ+/- 0.2）的8.5°，11.2°，14.5°和27.2°处具有不同衍射峰的新型二氯色素酞菁晶体; 制备二氯靛菁酞菁晶体的方法，包括机械研磨已知的二氯靛菁酞菁结晶与无机盐，随后如果需要，进行溶剂处理; 在感光层中含有二氯靛菁酞菁的电子照相感光体; 以及用于制造电子照相感光体的涂料组合物，其包含二氯苯酞菁结晶，粘合剂树脂和乙酸酯溶剂。感光体表现出高灵敏度和优异的耐久性。涂料组合物在制备或涂覆之后将二氯色素酞菁晶体保持为所需形式。

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