Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11926246 | Traveling body system | Kazuhiro Ishikawa, Masafumi Hayakawa, Takashi Ohira, Naoki Sakai, Hiroki Kuniyoshi +1 more | 2024-03-12 |
| 11533991 | Storage apparatus | Masafumi Hayakawa, Hiroyasu Tomita, Masataka Hayashi | 2022-12-27 |
| 9685885 | Power conversion apparatus with an inverted-voltage generation circuit | Kazuhiro Fujikawa, Takashi Ohira | 2017-06-20 |
| 7110014 | Image forming apparatus | — | 2006-09-19 |
| 5702189 | Rack and pinion cleaning mechanism in a serial printer | Kuniharu Hayashi, Koji Aida | 1997-12-30 |
| D379634 | Toner cartridge | Sinichi Ootani, Yoshiharu Momiyama | 1997-06-03 |
| D377662 | Image drum cartridge | Sinichi Ootani, Yoshiharu Momiyama | 1997-01-28 |
| D374250 | Image drum cartridge | Makoto Yabuki, Takashi Itaya | 1996-10-01 |
| 5405203 | Multicolor ink ribbon having barrier and protective layers | Masanori Maekawa | 1995-04-11 |
| 5370469 | Cassette holder assembly | Eisaku Mutou, Norihisa Isaka | 1994-12-06 |
| 5366306 | Printer including integral one-piece main frame | Shyoichi Watanabe | 1994-11-22 |
| 5348403 | Ink ribbon cassette | Norihisa Isaka | 1994-09-20 |
| 5260616 | Permanent magnet type stepping motor | Kuniharu Hayashi, Toshiyuki Sato | 1993-11-09 |
| 5209591 | Sheet guide mechanism for a printer | Shyoichi Watanabe, Takeshi Asaba | 1993-05-11 |
| 5201592 | Reinking color ribbon cassette and ink ribbon selection mechanism | Masanori Maekawa | 1993-04-13 |
| 5186554 | Ink ribbon cartridge | Norihisa Isaka | 1993-02-16 |
| 5069435 | Sheet stacker having sheet-feed function | — | 1991-12-03 |
| 5064305 | Pin platen mechanism | Kiyoshi Matsuda | 1991-11-12 |
| 4997179 | Automatic sheet feeding device | Shyoichi Watanabe, Toshiaki Saito | 1991-03-05 |
| 4990010 | Paper feed tractor with fixed and pivotable pressure plates | — | 1991-02-05 |
| 4929102 | Ribbon protector including electro-conductive elements and platen gap adjustment device incorporating the same | Hiroshi Kikuchi, Shoichi Watanabe, Kuniharu Hayashi, Masanori Maekawa | 1990-05-29 |
| 4823038 | Stepping motor | Kuniharu Hayashi, Hiroshi Kikuchi, Naoki Chiba | 1989-04-18 |
| 4669333 | Planetary gear mechanism | Kiyoshi Matsuda | 1987-06-02 |
| 4621270 | Multi-color printer | Yoshihisa Fukurohata | 1986-11-04 |