Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6924059 | Rechargeable lithium battery | Soichiro Kawakami | 2005-08-02 |
| 6718480 | Communication path fault restoration system | Kohei Iseda | 2004-04-06 |
| 6189025 | Method for controlling communication paths and communication control system in communication network | Yasuki Fujii, Kohei Iseda, Takafumi Chujo, Masaaki Ueki | 2001-02-13 |
| 6171727 | Alkaline secondary battery and method of manufacturing the same | Atsushi Tani | 2001-01-09 |
| 6084882 | Detour path determination method | Shigeo Amemiya, Koji Tezuka, Takafumi Chujo | 2000-07-04 |
| 5968450 | Scandium containing hydrogen absorption alloy and hydrogen absorption electrode | Masato Yoshida, Takitaro Yamaguchi | 1999-10-19 |
| 5636206 | System for achieving alarm masking processing | Shigeo Amemiya, Yuichi Matsuda, Yasuki Fujii, Koji Tezuka, Hiromi Ueda +1 more | 1997-06-03 |
| 5604868 | Communication system using establishing network route | Hiroaki Komine, Takafumi Chujo, Keiji Miyazaki, Tetsuo Soejima | 1997-02-18 |
| 5555542 | Packet directional path identifier transfer system | Shigeo Amemiya, Koji Tezuka, Takafumi Chujo | 1996-09-10 |
| 5548639 | Distributed control of telecommunication network for setting up an alternative communication path | Shigeo Amemiya, Koji Tezuka, Takafumi Chujo | 1996-08-20 |
| 5465348 | Trouble diagnosis system of UPC circuit | Shigeo Amemiya, Takafumi Chujo, Hiroshi Takeo, Michio Kusayanagi, Naoaki Yamanaka +7 more | 1995-11-07 |
| 5412376 | Method for structuring communications network based on asynchronous transfer mode | Takafumi Chujo, Hiroaki Komine, Keiji Miyazaki, Tetsuo Soejima | 1995-05-02 |
| 5268897 | Route switching system in communications network | Hiroaki Komine, Takafumi Chujo, Tetsuo Soejima, Keiji Miyazaki | 1993-12-07 |
| 5218601 | Method for searching for alternate path in communication network | Takafumi Chujo, Hiroaki Komine, Keiji Miyazaki, Tetsuo Soejima | 1993-06-08 |