Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4509259 | Electric shaver | Shinji Ihara, Yoji Iguchi, Makoto Miyata | 1985-04-09 |
| 4426776 | Electric shaver | Shinji Ihara, Yoji Iguchi, Makoto Miyata | 1984-01-24 |
| 4422032 | Battery charging circuit for maintaining a substantially constant average value of charging current despite variations in charging voltage | Kaoru Furukawa | 1983-12-20 |
| 4370606 | Charging apparatus | Kaoru Furukawa | 1983-01-25 |
| 4284944 | Battery charging device having battery state indicating function | Kouichi Iwanaga | 1981-08-18 |