Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5734655 | Distributed type switching system | Shinobu Gohara, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara, Eiichi Amada | 1998-03-31 |
| 5590180 | Communication method of supplying information in intelligent network and apparatus therefor | Yukiko Tonomura, Yumiko Nishi | 1996-12-31 |
| 5513177 | Distributed switching system having at least one module | Shinobu Gohara, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara, Eiichi Amada | 1996-04-30 |
| 5506713 | Optical switching system | Manabu Okamoto, Kenichi Ohtsuki | 1996-04-09 |
| 5477362 | Optical switching system | Manabu Okamoto, Kenichi Ohtsuki | 1995-12-19 |
| 5285444 | Multi-stage link switch | Shinobu Gohara | 1994-02-08 |
| RE34305 | Switching system and method of construction thereof | Kenichi Ohtsuki, Shinobu Gohara, Makoto Mori, Akira Horiki, Takao Kato +1 more | 1993-07-06 |
| 5214640 | High-speed packet switching system | Takahiko Kozaki, Shirou Tanabe | 1993-05-25 |
| 5184346 | Switching system | Takahiko Kozaki, Kenichi Asano, Mineo Ogino, Eiichi Amada, Noboru Endo | 1993-02-02 |
| 5164937 | Packet concentrator and packet switching system | Shirou Tanabe, Akihiko Takase, Masao Kunimoto | 1992-11-17 |
| 5124977 | Switching system for switching cells having error detection apparatus | Takahiko Kozaki | 1992-06-23 |
| 5099475 | Switching system | Takahiko Kozaki, Noboru Endo | 1992-03-24 |
| 5043979 | Time-division channel arrangement | Shinobu Gohara, Kenichi Ohtsuki, Takao Kato, Hiroshi Kuwahara, Eiichi Amada | 1991-08-27 |
| 4956839 | ATM switching system | Yutaka Torii, Makoto Mori, Shinobu Gohara, Kenichi Ohtsuki | 1990-09-11 |
| 4947388 | Cell switching system of asynchronous transfer mode | Hiroshi Kuwahara, Mineo Ogino, Takahiko Kozaki, Noboru Endo | 1990-08-07 |
| 4910731 | Switching system and method of construction thereof | Kenichi Ohtsuki, Shinobu Gohara, Makoto Mori, Akira Horiki, Takao Kato +1 more | 1990-03-20 |