Issued Patents All Time
Showing 1–3 of 3 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 |