Issued Patents All Time
Showing 126–137 of 137 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5294960 | Detachable two-frame process cartridge for an image forming apparatus | Yoshiya Nomura, Tadayuki Tsuda, Shinichi Sasaki, Isao Ikemoto, Hiroyuki Shirai +1 more | 1994-03-15 |
| 5240242 | Sheet feeding device | Masao Ando, Kanji Yano | 1993-08-31 |
| 5223893 | Process cartridge detachably mountable to image forming apparatus | Isao Ikemoto, Tadayuki Tsuda, Shinichi Sasaki | 1993-06-29 |
| 5208634 | Process cartridge detachably mountable to image forming apparatus featuring an injectable sealing member | Isao Ikemoto, Tadayuki Tsuda, Kazuhiko Ishiwata, Kazuo Shishido, Kanji Yano +4 more | 1993-05-04 |
| 5151734 | Process cartridge detachably mountable to image forming apparatus featuring a peripherally supported image bearing drum | Tadayuki Tsuda, Isao Ikemoto, Shinichi Sasaki | 1992-09-29 |
| 5138394 | Cleaning apparatus with means to effectively use toner storage space | Tadayuki Tsuda, Kazuhiko Ishiwata, Makoto Tanaka, Isao Ikemoto | 1992-08-11 |
| 5113224 | Reciprocating driving device | Tadayuki Tsuda, Kanji Yano, Isao Ikemoto, Makoto Tanaka, Kazuhiko Ishiwata | 1992-05-12 |
| 5111372 | DC-DC converter | Shigeru Kameyama, Koji Arakawa, Hitoshi Yoshioka, Isami Norigoe | 1992-05-05 |
| 5095335 | Copier with retractable charging unit to prevent damage to drum when removing process cartridge | Takashi Hibi, Norihisa Hoshika, Masahide Kinoshita, Takeo Shoji | 1992-03-10 |
| 5086381 | DC-DC converter | Shigeru Kameyama, Koji Arakawa, Hitoshi Yoshioka, Isami Norigoe | 1992-02-04 |
| 4888672 | Starting circuit of self-excited inverter | Rihei Hiramatsu, Seiji Imano, Shinzo Takeishi | 1989-12-19 |
| 4787020 | Full-wave output type forward converter | Rihei Hiramatsu, Tokunari Inoue | 1988-11-22 |