Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494784 | Driving game machine and a storage medium for storing a driving game program | Shigenobu Matsuyama, Shozo Fukunaga, Akihiro Shimizu | 2002-12-17 |
| 6409597 | Video game machine, screen display method for video game, and recording medium containing screen display program | — | 2002-06-25 |
| 6393299 | Radio communication equipment | Hiroaki Shimizu, Tatsuya Tokunaga, Kenichi Torii | 2002-05-21 |
| 6201952 | Radio communication apparatus | Hiroaki Shimizu, Tatsuya Tokunaga, Kenichi Torii | 2001-03-13 |
| 6117007 | Driving game machine and a storage medium for storing a driving game program | Shigenobu Matsuyama, Shozo Fukunaga, Akihiro Shimizu | 2000-09-12 |
| 6075782 | Free channel detecting method and apparatus | Kenji Fukunabe | 2000-06-13 |
| 5910046 | Competition game apparatus | Tetsuya Wada | 1999-06-08 |
| 5053720 | Power amplifying circuit | — | 1991-10-01 |