Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6232747 | Remaining-amount-of-battery detecting device | Koji Takahashi, Isao Harigaya, Hiroyuki Takimoto, Takayuki Saeki | 2001-05-15 |
| 6150823 | Battery charge detecting variable loads | Koji Takahashi, Isao Harigaya, Hiroyuki Takimoto, Takayuki Saeki | 2000-11-21 |
| 5864222 | Charging apparatus | Hiroyuki Takimoto, Takayuki Saeki, Isao Harigaya, Koji Takahashi | 1999-01-26 |
| 5861732 | Battery charging apparatus | Hiroyuki Takimoto, Takayuki Saeki, Isao Harigaya, Koji Takahashi | 1999-01-19 |
| 4896224 | Video and audio signal recording apparatus providing for recordation of control data with audio signals | Isao Harigaya | 1990-01-23 |
| 4750060 | Recording apparatus | Toshihiko Nakazawa, Hiroyuki Takimoto | 1988-06-07 |
| 4613909 | Video signal recording and reproducing system | — | 1986-09-23 |
| 4554602 | Video signal recording apparatus | — | 1985-11-19 |