Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6781840 | Fastening mechanism | Yutaka Ohkubo, Hidetoshi Yoshikawa | 2004-08-24 |
| 6681650 | Driving state switching unit with synchro-mechanism | Tadashi Yoshioka, Shigeyuki Yoshida, Kaoru Sawase, Takahisa Niwa | 2004-01-27 |