Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6603285 | Power circuit, power supply method, and electronic device | Koji Aoyagi | 2003-08-05 |
| 6256162 | Moving picture searching apparatus | Akihiko Matsumoto | 2001-07-03 |
| 5742266 | Image display device using high-voltage electrodes and method of driving same | — | 1998-04-21 |
| 5500692 | Image projecting apparatus for producing an image for display on a projection screen | — | 1996-03-19 |
| 5379080 | Image projector system | — | 1995-01-03 |
| 5115310 | News program broadcasting system | Masayuki Takano, Fumihiro Nagasawa, Akihiko Matsumoto | 1992-05-19 |
| 4979057 | Automatic cassette loading and reproducing apparatus | Akihiko Matsumoto, Fumihiro Nagasawa | 1990-12-18 |
| 4958836 | Golf simulator | Takashi Yoshino | 1990-09-25 |
| 4723283 | Data transmission system | Fumihiro Nagasawa | 1988-02-02 |