Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7243034 | Sensor device | Masahiro Fujita | 2007-07-10 |
| 6285391 | Picture codec and teleconference terminal equipment | Masaaki Takizawa, Hitoshi Matsushima, Hiroshi Yoshikawa, Atsuo Yoshida, Toru Ebihara +3 more | 2001-09-04 |
| 6249309 | Picture codec and teleconference terminal equipment | Masaaki Takizawa, Hitoshi Matsushima, Hiroshi Yoshikawa, Atsuo Yoshida, Toru Ebihara +3 more | 2001-06-19 |
| 5970054 | Multipoint teleconference system employing H. 221 frames | Masaaki Takizawa | 1999-10-19 |
| 5966164 | Television telephone | Hiroshi Gotoh, Kiyoshi Ishida, Masahiro Takahashi, Masaaki Takizawa, Kenji Yokoi +6 more | 1999-10-12 |
| 5936945 | Teleconference module with video codec for motion picture data | Masaaki Takizawa, Hitoshi Matsushima, Kiyoshi Ishida, Atsuo Yoshida, Atsushi Ishibashi +1 more | 1999-08-10 |
| 5835923 | Contents information transmitting/viewing system and method therefor | Tetsuro Kiyomatsu, Shingi Domen, Shoji Higuchi | 1998-11-10 |
| 5790178 | Picture codec for teleconference equipment, which forms and displays picture-in-frame including at least two of received motion picture, a received still picture and a self motion picture in an optional combination | Masaaki Takizawa, Hitoshi Matsushima, Hiroshi Yoshikawa, Atsuo Yoshida, Toru Ebihara +3 more | 1998-08-04 |
| 5777663 | Picture codec and teleconference terminal equipment | Masaaki Takizawa, Hitoshi Matsushima, Hiroshi Yoshikawa, Atsuo Yoshida, Toru Ebihara +3 more | 1998-07-07 |
| 5689300 | Picture codec and teleconference terminal equipment | Masaaki Takizawa, Hitoshi Matsushima, Hiroshi Yoshikawa, Atsuo Yoshida, Toru Ebihara +3 more | 1997-11-18 |
| 5677727 | Television telephone | Hiroshi Gotoh, Kiyoshi Ishida, Masahiro Takahashi, Masaaki Takizawa, Kenji Yokoi +6 more | 1997-10-14 |
| 5606554 | Teleconference terminal equipment and teleconference module | Masaaki Takizawa, Hitoshi Matsushima, Kiyoshi Ishida, Atsuo Yoshida, Atsushi Ishibashi +1 more | 1997-02-25 |
| 5604738 | Multipoint teleconference system employing H. 221 frames | Masaaki Takizawa | 1997-02-18 |
| 5541639 | Video conference system automatically started at reserved time | Hiroaki Takatsuki, Toru Komatsu, Tatsuya Konishi, Takeshi Hoshino, Seiji Toyoda +3 more | 1996-07-30 |
| 5477546 | Teleconference terminal equipment and teleconference module | Masaaki Takizawa, Hitoshi Matsushima, Kiyoshi Ishida, Atsuo Yoshida, Atsushi Ishibashi +1 more | 1995-12-19 |
| 5444477 | Video telephone system | Hitoshi Yamadera, Takafumi Kawasaki, Takashi Matsubara, Hiroaki Takatsuki, Atsuo Yoshida +3 more | 1995-08-22 |
| 5402418 | Multipoint teleconference system employing H. 221 frames | Masaaki Takizawa | 1995-03-28 |
| 5396269 | Television telephone | Hiroshi Gotoh, Kiyoshi Ishida, Masahiro Takahashi, Masaaki Takizawa, Kenji Yokoi +6 more | 1995-03-07 |
| 5373316 | Video conference device with facsimile function | Iwao Ishinabe, Nobuyuki Matsuyama, Nobuyoshi Torii, Shuichi Ishiwata, Toshiaki Watanuki +3 more | 1994-12-13 |
| 5365265 | Multipoint teleconference system employing communication channels set in ring configuration | Masaaki Takizawa | 1994-11-15 |
| 4972462 | Multimedia mail system | — | 1990-11-20 |
| 4970716 | Protocol integrating videotex communication system | Hiroshi Goto | 1990-11-13 |
| 4884767 | Lavatory module for a passenger airplane | — | 1989-12-05 |
| 4873715 | Automatic data/voice sending/receiving mode switching device | — | 1989-10-10 |
| 4734765 | Video/audio information transmission system | Shigetoshi Okada, Shoichi Matsuhashi, Wataru Kosuge | 1988-03-29 |