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1. 发明申请

WO2023042066A1 POWDER, LAMINATE USING THE SAME, AND METHOD OF MANUFACTURING LAMINATE 审中-公开
公开(公告)号：WO2023042066A1
公开(公告)日：2023-03-23
申请号：PCT/IB2022/058597
申请日：2022-09-13
申请人： RICOH COMPANY, LTD. , KAMI, Hidetoshi , INOUE, Ryota
发明人： KAMI, Hidetoshi , INOUE, Ryota
IPC分类号： B05D1/06 , B05D7/04 , B05D7/00 , C01G3/00
摘要： A powder contains a metal oxide, wherein the powder satisfies the following conditions (1) and (2): (1) the powder has peaks of a particle size in a range of from 0.1 to less than 5 μm and a range of from 5 to less than 50 μm in a frequency distribution curve based on a volume-based particle size distribution obtained by a laser diffraction method; and (2) a difference between a tap density and an initial bulk density satisfies the following Relationship: 0.88 g/cm3 ≤ (tap density - initial bulk density) ≤ 0.94 g/cm3 Relationship.

2. 发明申请

WO2021234469A1 METAL OXIDE PARTICLES HAVING P-TYPE SEMICONDUCTIVITY, ELECTRONIC DEVICE USING THE SAME, METHOD FOR MANUFACTURING ELECTRONIC DEVICE, AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：WO2021234469A1
公开(公告)日：2021-11-25
申请号：PCT/IB2021/052469
申请日：2021-03-25
申请人： RICOH COMPANY, LTD. , ASANO, Tomoharu , KAMI, Hidetoshi , INOUE, Ryota
发明人： ASANO, Tomoharu , KAMI, Hidetoshi , INOUE, Ryota
IPC分类号： H01L51/46 , H01G9/20 , H01L51/54
摘要： Metal oxide particles having p-type semiconductivity are provided. The metal oxide particles have a volume-based particle size distribution having a first local maximum value and a second local maximum value. The first local maximum value is in a range of 0.1 µm or more and less than 5 µm and the second local maximum value is in a range of 5 µm or more and less than 50 µm. A ratio of the second local maximum value to the first local maximum value is 0.5 or more and less than 2.0, and 99% by volume or more of the metal oxide particles have a particle diameter in a range of from 0.1 to 50 µm.

3. 发明申请

WO2021059712A1 ELECTRONIC DEVICE AND METHOD FOR PRODUCING THE SAME, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：WO2021059712A1
公开(公告)日：2021-04-01
申请号：PCT/JP2020/028343
申请日：2020-07-21
申请人： RICOH COMPANY, LTD. , KAMI, Hidetoshi , ASANO, Tomoharu , ISHII, Masayuki , INOUE, Ryota
发明人： KAMI, Hidetoshi , ASANO, Tomoharu , ISHII, Masayuki , INOUE, Ryota
IPC分类号： G03G5/147 , G03G5/05
摘要： Provided is an electronic device including: a support; a charge-transporting layer including a charge-transporting material, or a sensitizing-dye electrode layer including a sensitizing dye, where the charge-transporting layer or the sensitizing dye electrode layer is disposed on or above the support; and a metal oxide layer disposed on or above the charge-transporting layer or the sensitizing-dye electrode layer, wherein the metal oxide layer includes p-type semiconductor metal oxide and silica or metal oxide particles, and wherein an amount of the silica or metal oxide particles included in the metal oxide layer is 0.5% by mass or greater but 1.5% by mass or less relative to the metal oxide layer.

4. 发明申请

WO2022038984A1 LAMINATE, DEVICE USING THE SAME, AND PRODUCTION METHODS THEREOF 审中-公开
公开(公告)号：WO2022038984A1
公开(公告)日：2022-02-24
申请号：PCT/JP2021/027993
申请日：2021-07-29
申请人： RICOH COMPANY, LTD. , KAMI, Hidetoshi , INOUE, Ryota , SHIMOYAMA, Keisuke , TAKAHASHI, Ryohta
发明人： KAMI, Hidetoshi , INOUE, Ryota , SHIMOYAMA, Keisuke , TAKAHASHI, Ryohta
IPC分类号： G03G5/00 , H01L51/10 , H01L51/42 , H01L51/44
摘要： To provide a laminate including: a layer (1) including an organic material; a layer (2) including a siloxane compound and metal oxide, where the layer (2) is in contact with the layer (1); and a layer (3) including the metal oxide, where the layer (3) is in contact with the layer (2).

5. 发明申请

WO2021149461A1 ELECTRONIC DEVICE AND METHOD FOR PRODUCING THE SAME, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：WO2021149461A1
公开(公告)日：2021-07-29
申请号：PCT/JP2020/049024
申请日：2020-12-25
申请人： RICOH COMPANY, LTD. , KAMI, Hidetoshi , ASANO, Tomoharu , INOUE, Ryota
发明人： KAMI, Hidetoshi , ASANO, Tomoharu , INOUE, Ryota
IPC分类号： H01L51/00 , H01L51/42 , G03G5/147 , H01G9/20 , H01L27/30 , G03G5/14704 , G03G5/14773 , G03G5/14795 , H01L27/307 , H01L51/0094 , H01L51/4246
摘要： An electronic device including: a support; a charge-transporting layer including a charge-transporting material or a dye-sensitizing electrode layer including a sensitizing dye, where the charge-transporting layer or the sensitizing-dye electrode layer is disposed on or above the support; a silicone-containing layer disposed on or above the charge-transporting layer or the sensitizing-dye electrode layer; and a metal oxide film disposed on or above the silicone-containing layer, wherein a ratio [Q(ACL)/Q(CTL)] is 10% or greater, where Q(ACL) is a time integral of a transient photocurrent waveform of an electronic device (ACL) measured by a time-of-flight method, and Q(CTL) is a time integral of a transient photocurrent waveform of an electronic device (CTL) measured by a time-of-flight method.

6. 发明申请

WO2010107130A1 ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, PRODUCTION METHOD OF THE SAME,IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE 审中-公开
标题翻译：电子照相机，其生产方法，图像形成装置和工艺盒
公开(公告)号：WO2010107130A1
公开(公告)日：2010-09-23
申请号：PCT/JP2010/055145
申请日：2010-03-17
申请人： Ricoh Company, Ltd. , KAMI, Hidetoshi , YAMAZAKI, Junichi , FUJIWARA, Yukio , EGAWA, Kazuhiro
发明人： KAMI, Hidetoshi , YAMAZAKI, Junichi , FUJIWARA, Yukio , EGAWA, Kazuhiro
IPC分类号： G03G5/147 , G03G5/00 , G03G9/087
CPC分类号： G03G5/14791 , G03G5/0525 , G03G5/0614 , G03G5/071 , G03G5/14734 , G03G5/14786 , G03G5/14795
摘要： An electrophotographic photoconductor having a photosensitive layer and a crosslinked resin surface layer over a support, wherein shapes of concaves and convexes in a surface of the electrophotographic photoconductor are measured by a surface roughness/profile measuring device to obtain one-dimensional data arrays, the arrays are subjected to multiresolution analysis (MRA-1) through wavelet transformation to be separated into six frequency components including HHH, HHL, HMH, HML, HLH and HLL to obtain one-dimensional data arrays, the arrays of the HHL are thinned out to be reduced 1/10 to 1/100, thereby producing one-dimensional data arrays, which are then subjected to multiresolution analysis (MRA-2) through wavelet transformation to be separated into six frequency components including LHH, LHL, LMH, LML, LLH and LLL to thereby obtain 12 frequency components in total; and a center-line average roughness (WRa) of the 12 frequency components satisfies relationship (i) below. 1 - 597 X WRa (HML) + 238 X WRa (HLH) - 95 X WR a (LHL) + 84 X WRa (LMH) - 79 X WRa(LML) + 55 X WRa(LLH) - 17 X WRa(LLL) > O - - - ( i )
摘要翻译：在支撑体上具有感光层和交联树脂表面层的电子照相感光体，其中通过表面粗糙度/轮廓测量装置测量电子照相感光体的表面中的凹凸形状，以获得一维数据阵列，阵列通过小波变换进行多分辨率分析（MRA-1）分离为HHH，HHL，HMH，HML，HLH和HLL等六个频率分量，得到一维数据阵列，将HHL的阵列稀疏化为减少1/10至1/100，从而产生一维数据阵列，然后通过小波变换进行多分辨率分析（MRA-2），分为六个频率分量，包括LHH，LHL，LMH，LML，LLH和从而获得12个频率分量; 并且12个频率分量的中心线平均粗糙度（WRa）满足以下关系式（i）。 1 - 597 X WRa（HML）+ 238 X WRa（HLH） - 95 X WR a（LHL）+ 84 X WRa（LMH） - 79 X WRa（LML）+ 55 X WRa（LLH））> O - - - （i）

7. 发明申请

WO2020170769A1 PHOTOELECTRIC CONVERSION ELEMENT, ORGANIC PHOTOCONDUCTOR, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND ORGANIC EL ELEMENT 审中-公开
公开(公告)号：WO2020170769A1
公开(公告)日：2020-08-27
申请号：PCT/JP2020/003818
申请日：2020-01-31
申请人： RICOH COMPANY, LTD. , KAMI, Hidetoshi , ASANO, Tomoharu
发明人： KAMI, Hidetoshi , ASANO, Tomoharu
IPC分类号： G03G5/14 , G03G5/147 , H01L21/31 , H01L51/42
摘要： Provided is a photoelectric conversion element including: a support; a photoelectric conversion layer; an undercoat layer; and a surface layer, where the photoelectric conversion layer, the undercoat layer, and the surface layer are disposed on or above the support in this order, wherein the surface layer is a ceramic film, and wherein the undercoat layer includes a siloxane resin.

8. 发明申请

WO2019181176A1 PHOTOELECTRIC CONVERSION DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：WO2019181176A1
公开(公告)日：2019-09-26
申请号：PCT/JP2019/001845
申请日：2019-01-22
申请人： RICOH COMPANY, LTD. , KUBO, Daisuke , KAMI, Hidetoshi , NOZOE, Suzuka , ASANO, Tomoharu , TOSHINE, Tetsuya , TAMOTO, Nozomu , TANAKA, Yuuji , KANEI, Naomichi
发明人： KUBO, Daisuke , KAMI, Hidetoshi , NOZOE, Suzuka , ASANO, Tomoharu , TOSHINE, Tetsuya , TAMOTO, Nozomu , TANAKA, Yuuji , KANEI, Naomichi
IPC分类号： H01G9/20 , H01L51/42 , H01L51/52
摘要： Provided is a photoelectric conversion device including: a support; a charge-transporting layer including an organic charge-transporting material or a sensitizing dye electrode layer including an organic sensitizing dye, where the charge-transporting layer or the sensitizing dye electrode layer is disposed on the support; and a ceramic film disposed on the charge-transporting layer or the sensitizing dye electrode layer.

9. 发明公开

EP3769327A1 PHOTOELECTRIC CONVERSION DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS 审中-公开
公开(公告)号：EP3769327A1
公开(公告)日：2021-01-27
申请号：EP19704687.3
申请日：2019-01-22
申请人： Ricoh Company, Ltd.
发明人： KUBO, Daisuke , KAMI, Hidetoshi , NOZOE, Suzuka , ASANO, Tomoharu , TOSHINE, Tetsuya , TAMOTO, Nozomu , TANAKA, Yuuji , KANEI, Naomichi
IPC分类号： H01G9/20 , H01L51/42 , H01L51/52

10. 发明授权

EP2409196B8 ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, PRODUCTION METHOD OF THE SAME,IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE 有权
标题翻译：电子照相感光体，其制造方法，图像形成装置以及处理盒
公开(公告)号：EP2409196B8
公开(公告)日：2016-05-18
申请号：EP10753620.3
申请日：2010-03-17
申请人： Ricoh Company, Ltd.
发明人： KAMI, Hidetoshi , YAMAZAKI, Junichi , FUJIWARA, Yukio , EGAWA, Kazuhiro
IPC分类号： G03G5/147 , G03G5/00 , G03G9/087 , G03G5/05 , G03G5/06 , G03G5/07
CPC分类号： G03G5/14791 , G03G5/0525 , G03G5/0614 , G03G5/071 , G03G5/14734 , G03G5/14786 , G03G5/14795

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