Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5355351 | Underwater low-frequency sound producer using a rare earth alloy | Takashi Yoshikawa, Akiyoshi Kawamori, Hiroshi Kamata, Toshio Tsuchiya, Yasutaka Amitani | 1994-10-11 |
| 5067551 | Method for manufacturing alloy rod having giant magnetostriction | Katsuhiko Murakami, Nobuo Yamagami, Toshiyuki Nakanishi, Keiichi Kobayashi, Takashi Yokhikawa | 1991-11-26 |
| 5063986 | Method for manufacturing alloy rod having giant magnetostriction | Katsuhiko Murakami, Nobuo Yamagami, Toshiyuki Nakanishi, Keiichi Kobayashi, Takashi Yoshikawa | 1991-11-12 |
| 4805160 | Data transmission method for ocean acoustic tomography | Shin Ishii, Gentaroh Kai, Toshiaki Hara | 1989-02-14 |