Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5625237 | Remove power source device having improved capacity indication capability, and an electronic device using the removable power source device | Masafumi Okumura, Hidekiyo Ozawa | 1997-04-29 |
| 5610450 | Power supply apparatus for efficiently utilizing battery and electronic apparatus using the power supply | Tsutomu Suzui, Hidekiyo Ozawa, Hisafumi Mitsui | 1997-03-11 |