Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7443803 | Estimating and managing network traffic | Ching-Fong Su, Takeo Hamada, Kaoru Chujo, Hung-ying Tyan, Xiangying Yang | 2008-10-28 |
| 7385931 | Detection of network misconfigurations | Antonio Magnaghi, Jingsha He | 2008-06-10 |
| 6850705 | Online distributed path routing method and system | Ching-Fong Su | 2005-02-01 |
| 6237036 | Method and device for generating access-control lists | Hitoshi Ueno, Kenichi Fukuda | 2001-05-22 |
| 6189025 | Method for controlling communication paths and communication control system in communication network | Takao Ogura, Yasuki Fujii, Kohei Iseda, Masaaki Ueki | 2001-02-13 |
| 6084882 | Detour path determination method | Takao Ogura, Shigeo Amemiya, Koji Tezuka | 2000-07-04 |
| 5940832 | Dynamic database structuring method and apparatus, and database clustering method and apparatus | Takeo Hamada, Mitsuhiro Azuma, Kohei Iseda | 1999-08-17 |
| 5845080 | Communication network management apparatus using a cache arranged as a result of a statical analysis of communication related characteristics | Takeo Hamada, Kohei Iseda, Mitsuhiro Azuma | 1998-12-01 |
| 5781528 | Path switching system and method | Yasuyuki Sato, Keiji Miyazaki, Yasuki Fujii, Mitsuhiro Azuma | 1998-07-14 |
| 5691975 | Method and apparatus for control in ATM | Takeo Hamada | 1997-11-25 |
| 5677907 | Method of calculating cell loss ratio and call accept controller using the same method | Takeo Hamada | 1997-10-14 |
| 5604868 | Communication system using establishing network route | Hiroaki Komine, Keiji Miyazaki, Takao Ogura, Tetsuo Soejima | 1997-02-18 |
| 5581544 | Method and apparatus for evaluating QOS in ATM multiplexing apparatus in which priority control is performed and for controlling call admissions and optimizing priority control on the basis of the evaluation | Takeo Hamada | 1996-12-03 |
| 5555542 | Packet directional path identifier transfer system | Takao Ogura, Shigeo Amemiya, Koji Tezuka | 1996-09-10 |
| 5548639 | Distributed control of telecommunication network for setting up an alternative communication path | Takao Ogura, Shigeo Amemiya, Koji Tezuka | 1996-08-20 |
| 5513345 | Searching system for determining alternative routes during failure in a network of links and nodes | Yasuyuki Sato, Keiji Miyazaki, Kohei Iseda | 1996-04-30 |
| 5465348 | Trouble diagnosis system of UPC circuit | Shigeo Amemiya, Takao Ogura, Hiroshi Takeo, Michio Kusayanagi, Naoaki Yamanaka +7 more | 1995-11-07 |
| 5412376 | Method for structuring communications network based on asynchronous transfer mode | Hiroaki Komine, Keiji Miyazaki, Takao Ogura, Tetsuo Soejima | 1995-05-02 |
| 5359600 | High throughput supervisory system for ATM switching systems transporting STM-N signals | Hiromi Ueda, Kenji Akutsu, Ryuichi Ikematsu, Takatoshi Kurano, Yoshihiro Ashi +2 more | 1994-10-25 |
| 5268897 | Route switching system in communications network | Hiroaki Komine, Tetsuo Soejima, Keiji Miyazaki, Takao Ogura | 1993-12-07 |
| 5218601 | Method for searching for alternate path in communication network | Hiroaki Komine, Keiji Miyazaki, Takao Ogura, Tetsuo Soejima | 1993-06-08 |
| 4377759 | Offset compensating circuit | Michinobu Ohhata, Toshihiko Matsumura, Masao Yamasawa, Masayuki Takahashi | 1983-03-22 |
| 4363977 | Device for discriminating between two values of a signal with DC offset compensation | Toshitaka Tsuda, Kazuo Murano, Kazuo Yamaguchi, Norio Murakami, Motohide Takahashi | 1982-12-14 |