Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11802949 | Underwater information visualizing device | Ikuo Matsuo | 2023-10-31 |
| 10718858 | Echo measuring apparatus, echo sounding apparatus, multibeam echo measuring apparatus, multibeam echo sounding apparatus and aperture synthetic sonar | Ikuo Matsuo | 2020-07-21 |
| 7924139 | Wireless authentication method and wireless authentication system | Kenichi Miyamoto | 2011-04-12 |
| 7561019 | Home security system | Kenichi Miyamoto | 2009-07-14 |
| 7555286 | Authentication card and wireless authentication system performing mutual authentication by means of the authentication card | Kenichi Miyamoto | 2009-06-30 |
| 7292843 | Function-limiting device and function-limiting method | Hironori Ishikawa, Mitsuru Murata, Kenichi Miyamoto | 2007-11-06 |
| 6151493 | Device for prohibiting unauthorized use of electronic devices | Kenichi Miyamoto | 2000-11-21 |
| 5803099 | Ultrasonic cleaning machine | Shinichi Sakuta, Genzi Mori, Yukio Morimoto | 1998-09-08 |
| 5412617 | High resolution measuring method and apparatus | Hideharu Morimatsu | 1995-05-02 |
| 4780860 | Beam forming device | Yasuhiko Endo | 1988-10-25 |
| 4425634 | Detection system | Hiroshi Iino | 1984-01-10 |