Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11185029 | Method for producing plant body | — | 2021-11-30 |
| 7119026 | Basic material for patterning and patterning method | Takaya Nakabayashi, Akiyoshi Fujii | 2006-10-10 |
| 7074292 | Processes for manufacturing blade member of developer quantity control blade | Toru Ishigaki, Kazuaki Iwata, Naohiko Nakano, Manabu Takashima, Satoshi Fukuzawa | 2006-07-11 |
| 5596388 | Process cartridge with an information feature and image forming apparatus for use with the same | Masaharu Ohkubo | 1997-01-21 |
| 5575849 | Apparatus for producing a substrate having a surface with a plurality of spherical dimples for photoconductive members | Takahisa Kawamura, Atsushi Koike, Keiichi Murai | 1996-11-19 |
| 5351728 | Developer cartridge | Yutaka Ban, Takuya Hatakeyama | 1994-10-04 |
| 5177540 | Developer container, developer unit and process cartridge having the developer unit | Eiji Funabashi | 1993-01-05 |
| 5112656 | Coating method suitable for use in production of photosensitive member for electrophotography | Kazushige Nakamura, Hitoshi Toma, Shigemori Tanaka, Keiichi Murai, Akira Unno +1 more | 1992-05-12 |
| 5009974 | Surface-treated metal body, process for producing the same, photoconductive member using the same and rigid ball for treating metal body surface | Atsushi Koike, Tomohiro Kimura, Kyosuke Ogawa, Keiichi Murai | 1991-04-23 |
| 4982689 | Developing apparatus having a developing roller with fine concavities | Takahiro Kubo | 1991-01-08 |
| 4939057 | Surface-treated metal body, process for producing the same, photoconductive member using the same and rigid ball for treating metal body surface | Atsushi Koike, Tomohiro Kimura, Kyosuke Ogawa, Keiichi Murai | 1990-07-03 |
| 4834501 | Light receiving member having a light receiving layer of a-Si(Ge,Sn)(H,X) and a-Si(H,X) layers on a support having spherical dimples with inside faces having minute irregularities | Keiichi Murai, Kyosuke Ogawa, Atsushi Koike | 1989-05-30 |
| 4808504 | Light receiving members with spherically dimpled support | Atsushi Koike, Kyosuke Ogawa, Keiichi Murai | 1989-02-28 |
| 4798776 | Light receiving members with spherically dimpled support | Atsushi Koike, Kyosuke Ogawa, Keiichi Murai | 1989-01-17 |
| 4797299 | Light receiving member having a-Si (Ge,Sn) photosensitive layer and a-Si (O,C,N) surface layer on a support having spherical dimples with inside faces having minute irregularities | Atsushi Koike, Kyosuke Ogawa, Keiichi Murai | 1989-01-10 |
| 4797327 | Surface treated metal member, preparation method thereof and photoconductive member by use thereof | Tetsuo Sueda, Keiichi Murai, Kyosuke Ogawa | 1989-01-10 |
| 4797336 | Light receiving member having a-Si(GE,SN) photosensitive layer and multi-layered surface layer containing reflection preventive layer and abrasion resistant layer on a support having spherical dimples with inside faces having minute irregularities | Atsushi Koike, Kyosuke Ogawa, Keiichi Murai | 1989-01-10 |
| 4773244 | Apparatus for producing a substrate for a photoconductive members | Atsushi Koike, Kyosuke Ogawa, Keiichi Murai | 1988-09-27 |
| 4762762 | Electrophotographic light receiving members comprising amorphous silicon and substrate having minute irregularities | Atsushi Koike, Kyosuke Ogawa, Keiichi Murai | 1988-08-09 |
| 4740440 | Amorphous silicon multilayered photosensitive element containing spherical-dimpled substrate surface | Atsushi Koike, Kyosuke Ogawa, Keiichi Murai | 1988-04-26 |
| 4735883 | Surface treated metal member, preparation method thereof and photoconductive member by use thereof | Tetsuo Sueda, Keiichi Murai, Kyosuke Ogawa | 1988-04-05 |
| 4732834 | Light receiving members | Atsushi Koike, Kyosuke Ogawa, Keiichi Murai | 1988-03-22 |