Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12237116 | Capacitor and method for manufacturing same | Youhei Hashimoto, Ryuuta Inoue, Keisuke Matsuhira | 2025-02-25 |
| 11569042 | Capacitor and method for manufacturing same | Ryuuta Inoue, Yu Miura | 2023-01-31 |
| 11011316 | Capacitor and method for manufacturing same | Ryuuta Inoue, Yu Miura | 2021-05-18 |
| 7078140 | Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge | Kimihiro Yoshimura, Yosuke Morikawa, Tatsuya Ikezue, Shuji Ishii, Daisuke Tanaka | 2006-07-18 |
| 7022446 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Kimihiro Yoshimura, Yosuke Morikawa, Tatsuya Ikezue, Daisuke Tanaka | 2006-04-04 |
| 6998210 | Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge | Kimihiro Yoshimura, Yosuke Morikawa, Tatsuya Ikezue, Daisuke Tanaka | 2006-02-14 |
| 6913862 | PHENOLIC COMPOUND, NOVEL RESOL RESIN, CURED PRODUCTS THEREOF, ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER CONTAINING THEM, AND PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS WHICH HAVE THE ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER | Yosuke Morikawa, Tatsuya Ikezue, Kimihiro Yoshimura, Daisuke Tanaka | 2005-07-05 |
| 6847723 | Voice input apparatus | Shingo Kiuchi, Nozomu Saito | 2005-01-25 |
| 6835512 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Yosuke Morikawa, Tatsuya Ikezue, Kimihiro Yoshimura, Daisuke Tanaka | 2004-12-28 |
| 6829459 | Electrophotographic apparatus using photosensitive member employing charge injection method and developer unit cleaning system | Daisuke Tanaka, Yosuke Morikawa, Kimihiro Yoshimura | 2004-12-07 |
| 6815135 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Yosuke Morikawa, Tatsuya Ikezue, Kimihiro Yoshimura, Daisuke Tanaka | 2004-11-09 |
| 6806009 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Daisuke Tanaka, Yosuke Morikawa, Tatsuya Ikezue, Kimihiro Yoshimura | 2004-10-19 |
| 6697591 | Electrophotographic apparatus and process cartridge | Yosuke Morikawa, Kimihiro Yoshimura, Daisuke Tanaka | 2004-02-24 |
| 6562530 | Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus having the electrophotographic photosensitive member | Yosuke Morikawa, Kimihiro Yoshimura, Daisuke Tanaka | 2003-05-13 |
| 6555279 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Yosuke Morikawa, Kimihiro Yoshimura, Hiroshi Saito | 2003-04-29 |
| 6492081 | Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus including the photosensitive member | Yosuke Morikawa, Hiroshi Saito | 2002-12-10 |
| 6270936 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Masato Tanaka | 2001-08-07 |
| 6218063 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Masato Tanaka, Kan Tanabe | 2001-04-17 |
| 6139997 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Masato Tanaka | 2000-10-31 |
| 6040100 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Masato Tanaka, Hideyuki Takai | 2000-03-21 |
| 5932383 | Electrophotographic photosensitive member and process cartridge and electrophotographic apparatus including same | Toshihiro Kikuchi, Koichi Suzuki, Kazushige Nakamura, Tetsuro Kanemaru | 1999-08-03 |
| 5837412 | Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus utilizing the same | Koichi Suzuki, Toshihiro Kikuchi, Kazushige Nakamura, Tetsuro Kanemaru | 1998-11-17 |
| 5756248 | Electrophotographic photosensitive member and apparatus and process cartridge provided with the same | Takakazu Tanaka, Toshihiro Kikuchi, Tetsuro Kanemaru | 1998-05-26 |
| 5616442 | Electrophotographic photosensitive member and electrophotographic apparatus using same | Tetsuro Kanemaru, Toshihiro Kikuchi, Akihiro Senoo | 1997-04-01 |
| 5510218 | Electrophotographic photosensitive member, process cartridge using same and electrophotographic apparatus | Toshihiro Kikuchi, Akihiro Senoo, Tetsuro Kanemaru | 1996-04-23 |