Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487377 | Recycle information system and image forming apparatus for recycling | Yoshikazu Naito, Takahiro Tsujimoto, Hiroyuki Yoshikawa, Katsuhide Sakai, Shigeo Ogino | 2002-11-26 |
| 6341211 | Inductive thermal fusing device | Takahiro Tsujimoto | 2002-01-22 |
| 6320168 | Induction-heating fusion device | Takahiro Tsujimoto | 2001-11-20 |
| 5954108 | Drive unit for a vertical blind | Zenichi Oda | 1999-09-21 |
| D403220 | Portable electric drill | Naohiro Hayakawa | 1998-12-29 |
| 5803147 | Vertical blind | Masayoshi Kondo, Zenichi Oda, Michio Okumura | 1998-09-08 |
| D392490 | Automatic venetian blind opener and closer | Norifumi Niwa | 1998-03-24 |
| D375570 | Flashlight | Naohiro Hayakawa | 1996-11-12 |
| D360814 | Portable electric drill | — | 1995-08-01 |
| D342479 | Battery pack | — | 1993-12-21 |