Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6198428 | Three-dimensionally designed display radar | — | 2001-03-06 |
| 6198692 | Apparatus suitable for searching objects in water | — | 2001-03-06 |
| 5402441 | Signal receiver for global positioning system | Koichi Washizu, Toshihiro Kawazoe, Yorihisa Suwa, Yukio Yokoi, Tomio Yasuda +4 more | 1995-03-28 |
| 5061935 | Three-dimensional display radar | Takeshi Abe | 1991-10-29 |
| 4968981 | GPS receiver apparatus | Mutsuo Hada | 1990-11-06 |
| 4903212 | GPS/self-contained combination type navigation system | Kazuhiro Yokouchi, Tatsumi Kageyama, Harumasa Hojo, Koji Yamada, Makoto Mikuriya +1 more | 1990-02-20 |
| 4644358 | Stem orientation measurement apparatus | — | 1987-02-17 |