Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6243755 | Information processing system using information caching based on user activity | Masahiro Takagi | 2001-06-05 |
| 5881231 | Information processing system using information caching based on user activity | Masahiro Takagi | 1999-03-09 |
| 5274641 | ATM communication system | Yasuro Shobatake, Emiko Shobatake, Kazuhiko Hanawa, Kazuaki Iwamura, Yoshinari Kumaki | 1993-12-28 |
| 5253247 | Traffic control method and traffic control system for controlling cell traffic in an asynchronous transfer mode communication network | Tsuguhiro Hirose, Toshikazu Kodama | 1993-10-12 |
| 5189667 | Method and apparatus for controlling call processing based upon load conditions | Hiroshi Esaki | 1993-02-23 |
| 4931979 | Adding apparatus having a high accuracy | Shin-ichi Kawamura, Masahiro Abe | 1990-06-05 |
| 4862501 | Communications network using IC cards | Hiroyuki Mizutani, Shin-ichi Kawamura | 1989-08-29 |
| 4823388 | Communications network using an enciphering and deciphering device | Hiroyuki Mizutani | 1989-04-18 |
| 4751732 | Broadcasting system | — | 1988-06-14 |