Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11882252 | Opening and closing device and image forming apparatus | Yutaro KANZAWA | 2024-01-23 |
| 10603935 | Opening and closing mechanism and image forming apparatus | Kazuya Yasui, Akira NUMAZAKI, Satoshi Watanabe | 2020-03-31 |
| 7406892 | Plastic molded gear, and intermittent rotation transmission device and gear train using same | Toru Hagihara, Toru Takumori | 2008-08-05 |
| 6443692 | Impeller for circumferential current pump and method of forming the same | Yasuyuki Sakamoto, Naotaka Tatsuzawa | 2002-09-03 |
| 4794529 | Method for displaying operation range of logical language | Tadashi Hirose, Kazuo Nakao, Keiko Shinada | 1988-12-27 |