Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6873575 | Wrist-carried camera and watch-type information equipment | Akihisa Yamazaki | 2005-03-29 |
| 6809774 | Wrist-carried camera and watch-type information equipment | Akihisa Yamazaki | 2004-10-26 |
| 5789900 | Device for protecting a secondary battery from overcharge and overdischarge | Hiroyuki Hasegawa, Masafumi Hirata | 1998-08-04 |
| 5331263 | Velocity control device | Tomoyukui Shirai | 1994-07-19 |