Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5966164 | Television telephone | Hiroshi Gotoh, Kiyoshi Ishida, Yoji Shibata, Masahiro Takahashi, Masaaki Takizawa +6 more | 1999-10-12 |
| 5677727 | Television telephone | Hiroshi Gotoh, Kiyoshi Ishida, Yoji Shibata, Masahiro Takahashi, Masaaki Takizawa +6 more | 1997-10-14 |
| 5396269 | Television telephone | Hiroshi Gotoh, Kiyoshi Ishida, Yoji Shibata, Masahiro Takahashi, Masaaki Takizawa +6 more | 1995-03-07 |
| 4819097 | Audio signal recording/reproducing system for use in time-lapse video tape recorder | Nobuo Azuma, Masaru Takahashi, Akira Shibata | 1989-04-04 |
| 4633335 | Magnetic recording system for time-lapse magnetic video recorder | Makoto Yamamoto, Takashi Kubota | 1986-12-30 |