Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666151 | Multiple audio and video signal providing apparatus | Koichi Tagawa, Tetsu Shigetomi | 1997-09-09 |
| 5600365 | Multiple audio and video signal providing apparatus | Koichi Tagawa, Tetsu Shigetomi | 1997-02-04 |
| 5564041 | Microprocessor for inserting a bus cycle in an instruction set to output an internal information for an emulation | Shigezumi Matsui, Ikuya Kawasaki, Kouji Hashimoto | 1996-10-08 |
| 5505348 | Molten steel pouring nozzle | Toshiyuki Muroi | 1996-04-09 |
| 4897714 | Passenger vehicle service system | Atsushi Ichise, Masatoshi Hirayasu, Kenji Inoue | 1990-01-30 |
| 4896209 | Passenger vehicle polling system having a central unit for polling passenger seat terminal units | Atsushi Matsuzaki, Koichi Tagawa, Masami Yamashita | 1990-01-23 |
| 4887152 | Message delivery system operable in an override mode upon reception of a command signal | Atsushi Matsuzaki, Hiroyuki Kobayashi, Hideo Tomita, Kenichi Kikuchi, Kenji Inoue +2 more | 1989-12-12 |
| 4866515 | Passenger service and entertainment system for supplying frequency-multiplexed video, audio, and television game software signals to passenger seat terminals | Koichi Tagawa, Atsushi Matsuzaki, Masakatsu Toyoshima | 1989-09-12 |
| 4835604 | Aircraft service system with a central control system for attendant call lights and passenger reading lights | Hiroshi Sahara, Yasuhiro Hidejima, deceased | 1989-05-30 |