Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7889694 | Mobile communication apparatus and channel switching method for ad-hoc communication | Kazumasa Ushiki, Kensuke Sawada | 2011-02-15 |
| 7890656 | Transmission system, delivery path controller, load information collecting device, and delivery path controlling method | Koji Nakamichi, Akiko Yamada, Hitoshi Yamada, Akira Nagata, Katsuichi Nakamura +4 more | 2011-02-15 |
| 7630317 | Transmission bandwidth control device | Akiko Okamura, Koji Nakamichi, Hitoshi Yamada, Akira Nagata, Katsuichi Nakamura +4 more | 2009-12-08 |
| 6772233 | Data storage device | Atsuo Iida, Keiju Okabayashi, Shinji Kanda | 2004-08-03 |
| 6594490 | Mobile communication system | Takamitsu Toyoda, Kazumasa Ushiki | 2003-07-15 |
| 6549775 | Mobile communication system | Kazumasa Ushiki, Takamitsu Toyoda | 2003-04-15 |
| 6311065 | Mobile communication system for predicting a transfer location of a mobile station | Kazumasa Ushiki | 2001-10-30 |
| 5940378 | Call control in exchange suitable for intelligent network | Kazumasa Ushiki | 1999-08-17 |
| 5729688 | Network element managing system | Moowan Kim, Masaaki Wakamoto, Kenichi Fukuda, Kazumasa Ushiki, Shinichi Matsumoto | 1998-03-17 |
| 5438356 | Accounting system for multimedia communications system | Kazumasa Ushiki, Masaaki Wakamoto | 1995-08-01 |
| 5107500 | Diagnostic expert system | Masaaki Wakamoto, Moo Woong Kim, Takahiro Aramaki | 1992-04-21 |