Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692064 | Method and apparatus for counting underwater objects using an ultrasonic wave | Yoichi Takagi, Masayasu Kato, Takashi Miyakita, Shigeharu Jikan, Takeo Tamezawa +1 more | 1997-11-25 |