Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6639920 | Distributed type switching system | Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara, Eiichi Amada | 2003-10-28 |
| 6618372 | Packet switching system having-having self-routing switches | Shirou Tanabe, Taihei Suzuki, Yoshito Sakurai, Kenichi Ohtsuki, Takao Kato +2 more | 2003-09-09 |
| 6546011 | ATM cell switching system | Yoshito Sakurai, Kenichi Ohtsuki, Makoto Mori, Akira Horiki, Takao Kato +1 more | 2003-04-08 |