Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6026333 | Data utilizing system | Masaharu Koyabu, Koji Wakio, Hideki Okamoto, Ichiro Watanabe | 2000-02-15 |
| 5148148 | Radio alarm system | Hiroshi Shima | 1992-09-15 |
| 4682177 | Display for radars or sonars | — | 1987-07-21 |