Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5768216 | Flexitensional transducer having a strain compensator | Hidenori Obata, Tomohiro Tsuboi, Takashi Yoshikawa | 1998-06-16 |
| 5355351 | Underwater low-frequency sound producer using a rare earth alloy | Takashi Yoshikawa, Hiroshi Kamata, Iwao Nakano, Toshio Tsuchiya, Yasutaka Amitani | 1994-10-11 |