Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7945614 | Space-time communication system | Tomoichi Ebata, Hiroshi Saito, Takeshi Ishizaki, Minoru Koizumi, Toshiichiro Sasaki +1 more | 2011-05-17 |
| 7606859 | Multimedia communication system | Kenta Shiga, Keiko Tanigawa, Masashi Suzuki | 2009-10-20 |
| 7606913 | Presence management apparatus | Kenta Shiga, Tooru Tanaka, Keisei Fujiwara, Satoshi Kiyoto | 2009-10-20 |
| 5625675 | Voice mail communication system | Ikuko Katsumaru, Masato Terada, Osamu Takada | 1997-04-29 |
| 5497374 | Data transmission method and system thereof | Hisayuki Maruyama, Sadao Mizokawa, Seiichi Yasumoto, Ken Onuki, Hisao Ogawa +4 more | 1996-03-05 |
| 5452448 | Method of replicate file updating by monitoring file accesses and system therefor | Taketoshi Sakuraba, Takaki Kuroda | 1995-09-19 |
| 5426638 | Transmission method and system thereof | Hisayuki Maruyama, Sadao Mizokawa, Seiichi Yasumoto, Ken Onuki, Hisao Ogawa +4 more | 1995-06-20 |
| 5247620 | Bridge apparatus with an address check circuit for interconnecting networks | Akira Watanabe, Matsuaki Terada, Sadao Mizokawa | 1993-09-21 |