Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6417647 | Charging system and charging method for use of battery power | Kiyoshi Kai | 2002-07-09 |
| 4310912 | Servo system for recording and/or reproducing apparatus using a rotatable recording carrier | Masahiro Kikuchi, Hitoshi Okada, Takao Ihashi | 1982-01-12 |