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1. 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。

2. 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。

3. 发明授权

US5104758A Electrophotographic photoreceptor comprising a squarylium compound and selenium or a selenium alloy 失效
标题翻译：包含方酸化合物和硒或硒合金的电子照相感光体
公开(公告)号：US5104758A
公开(公告)日：1992-04-14
申请号：US521713
申请日：1990-05-11
申请人： Kiyokazu Mashimo , Ryosaku Igarashi , Ichiro Takegawa , Yasuo Sakaguchi , Shigetoshi Nakamura , Kohichi Yamamoto
发明人： Kiyokazu Mashimo , Ryosaku Igarashi , Ichiro Takegawa , Yasuo Sakaguchi , Shigetoshi Nakamura , Kohichi Yamamoto
IPC分类号： G03G5/047 , G03G5/06 , G03G5/08 , G03G5/087
CPC分类号： G03G5/0611 , G03G5/0618 , G03G5/087
摘要： An electrophotographic photoreceptor comprising an electrically conductive substrate having thereon a photosensitive layer is disclosed, wherein the photosensitive layer contains, as a charge generating material, a dispersion of selenium or a selenium alloy and at least one squarylium compound represented by formula (I): ##STR1## wherein A represents a fluorine atom, a hydrogen atom or a hydroxyl group, with B representing a hydroxyl group; or A represents a hydrogen atom or a fluorine atom, with B representing a methyl group, in the same binder resin. The electrophotographic photoreceptor not only has broad spectral sensitivity from the visible to infrared region but is excellent in other electrophotographic properties.
摘要翻译：公开了一种包含其上具有感光层的导电基底的电子照相感光体，其中感光层含有作为电荷产生材料的硒或硒合金的分散体和至少一种由式（I）表示的方酸化合物：图像（I）其中A表示氟原子，氢原子或羟基，B表示羟基; 或A表示氢原子或氟原子，B表示甲基，在相同的粘合剂树脂中。电子照相感光体不仅具有从可见光到红外区域的广谱光谱灵敏度，而且在其它电子照相特性方面也是优异的。

4. 发明授权

US5463043A Process for producing a dichlorotin phthalocyanine crystal 失效
标题翻译：二氯苯酞菁结晶的制造方法
公开(公告)号：US5463043A
公开(公告)日：1995-10-31
申请号：US240483
申请日：1994-05-10
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 , C09B47/04
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; a 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苯酞菁结晶; 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。

5. 发明授权

US5358813A Crystals of chlorogallium phthalocyanine and method of preparing them 失效
标题翻译：氯镓酞菁的晶体及其制备方法
公开(公告)号：US5358813A
公开(公告)日：1994-10-25
申请号：US3123
申请日：1993-01-12
申请人： Masakazu Iijima , Katsumi Nukada , Katsumi Daimon , Akira Imai , Toru Ishii , Yasuo Sakaguchi , Kiyokazu Mashimo , Ichiro Takegawa
发明人： Masakazu Iijima , Katsumi Nukada , Katsumi Daimon , Akira Imai , Toru Ishii , Yasuo Sakaguchi , Kiyokazu Mashimo , Ichiro Takegawa
IPC分类号： C09B67/12 , C09B67/50 , G03G5/06
CPC分类号： G03G5/0696 , C09B67/0016 , C09B67/0026
摘要： Crystals of chlorogallium phthalocyanine, having distinct diffraction peaks at (i) 7.4.degree., 16.6.degree., 25.5.degree. and 28.3.degree., (ii) 6.8.degree., 17.3.degree., 23.6.degree. and 26.9.degree., or (iii) 8.7.degree. to 9.2.degree., 17.6.degree., 24.0.degree., 27.4.degree. and 28.8.degree. of the Bragg angle (2.theta..+-.0.2) to a CuK.alpha. characteristic X-ray; a photoconductive material for electrophotographic photoreceptor comprising the chlorogallium phthalocyanine; and an electrophotographic photoreceptor comprising an electroconductive support having thereon a light-sensitive layer containing at least one or more of chlorogallium phthalocyanine crystals. The electrophotographic photoreceptor has excellent sensitivity and durability.
摘要翻译：（i）7.4°，16.6°，25.5°和28.3°，（ii）6.8°，17.3°，23.6°和26.9°，或（iii）8.7°至9.2°处具有不同衍射峰的氯镓酞菁晶体，相对于CuKα特征X射线，布拉格角（2θ+/- 0.2）的17.6°，24.0°，27.4°和28.8°; 用于电子照相感光体的光电导材料，其包含氯镓酞菁; 以及电子照相感光体，其包含导电性载体，其上具有至少含有一种或多种氯镓酞菁晶体的感光层。电子照相感光体具有优异的灵敏度和耐久性。

6. 发明授权

US4996125A Electrophotographic photoreceptor containing a fluorine lubricating agent layer 失效
标题翻译：含氟润滑剂层的电子照相感光体
公开(公告)号：US4996125A
公开(公告)日：1991-02-26
申请号：US293282
申请日：1989-01-04
申请人： Yasuo Sakaguchi , Ichiro Takegawa , Makoto Takemoto , Masanori Murase
发明人： Yasuo Sakaguchi , Ichiro Takegawa , Makoto Takemoto , Masanori Murase
IPC分类号： G03G5/00 , G03G5/14 , G03G5/147
CPC分类号： G03G5/005 , G03G5/1476
摘要： An electrophotographic photoreceptor for use in electrophotography having a photosensitive layer on an electrically conductive substrate. A fluorine-containing lubricating layer is further place upon the photosensitive layer. The fluorine-containing lubricating agent is selected from perfluoroalkyl polyether or its derivatives.
摘要翻译：一种用于电子照相术的电子照相感光体，其在导电基底上具有感光层。在感光层上进一步放置含氟润滑层。含氟润滑剂选自全氟烷基聚醚或其衍生物。

7. 发明授权

US4948687A Multi-layered squarylium-based positive charge electrophotographic photoreceptor 失效
标题翻译：多层方圆基正电荷电子照相感光体
公开(公告)号：US4948687A
公开(公告)日：1990-08-14
申请号：US292044
申请日：1988-12-30
申请人： Masanori Murase , Ichiro Takegawa , Makoto Takemoto , Yasuo Sakaguchi
发明人： Masanori Murase , Ichiro Takegawa , Makoto Takemoto , Yasuo Sakaguchi
IPC分类号： G03G5/06 , G03G5/147
CPC分类号： G03G5/0611 , G03G5/0618
摘要： An electrophotographic photoreceptor for use in positive charging electrophotographic machines is disclosed, comprising an electrically conductive substrate having thereon a charge transporting layer, a charge generating layer, and a low resistance surface protective layer, in that order, wherein a squarylium acid derivative having an asymmetrical structure represented by the formula (I): ##STR1## wherein R.sub.1 and R.sub.2 may be the same or different and represent a --CH.sub.3 group or a ##STR2## group (wherein Y represents a halogen atom), and X.sub.1 and X.sub.2 may be the same or different and represent a hydrogen atom, an --OH group or a halogen atom, is dispersed in said charge generating layer.
摘要翻译：公开了一种用于正极电荷照相机中的电子照相感光体，其中包括具有电荷输送层，电荷产生层和低电阻表面保护层的导电基底，其中具有不对称的方酸由式（I）表示的结构：其中R 1和R 2可以相同或不同并且表示-CH 3基团或基团（其中Y表示卤素原子），X 1和X 2 可以相同或不同，表示氢原子，-OH基或卤素原子，分散在所述电荷产生层中。

8. 发明授权

US5399452A Electrophotographic photoreceptor 失效
标题翻译：电子照相感光体
公开(公告)号：US5399452A
公开(公告)日：1995-03-21
申请号：US8974
申请日：1993-01-26
申请人： Ichiro Takegawa , Kazuyuki Nakamura , Kiyokazu Mashimo , Tomoo Kobayashi , Toru Ishii , Yutaka Akasaki
发明人： Ichiro Takegawa , Kazuyuki Nakamura , Kiyokazu Mashimo , Tomoo Kobayashi , Toru Ishii , Yutaka Akasaki
IPC分类号： G03G5/05 , G03G5/047
CPC分类号： G03G5/0575 , G03G5/05 , G03G5/0564 , G03G5/0596
摘要： An electrophotographic photoreceptor comprising an electroconductive support having thereon a light-sensitive layer. At least the outermost layer of the light-sensitive layer contains (1) fine grains of at least one of a melamine-formaldehyde condensate and a benzoguanamine-formaldehyde condensate, and, as a binder resin, a polycarbonate resin comprising a constitutive unit represented by formula (II); or (2) fine grains of a benzoguanamine-melamine-formaldehyde condensate having an average grain size of from 0.03 to 4 .mu.m.
摘要翻译：一种电子照相感光体，包括其上具有光敏层的导电载体。至少感光层的最外层含有（1）三聚氰胺 - 甲醛缩合物和苯并胍 - 甲醛缩合物中的至少一种的细晶粒，作为粘合剂树脂，包含由式（II）; 或（2）平均粒径为0.03〜4μm的苯并胍胺 - 三聚氰胺 - 甲醛缩合物的细晶粒。

9. 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

10. 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.

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