Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677615 | Service-life discriminating feature added to a battery charger | Shigeru Shinohara | 1997-10-14 |
| 5619116 | Universal battery charger chargeable with relevant current dependent on cell number | Shigeru Shinohara, Mitsuo Ogura | 1997-04-08 |