Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990867 | Modulator | Mutsumu Serizawa | 1991-02-05 |
| 4940408 | Tunnel kiln | Kazuhiro Miyahara | 1990-07-10 |
| 4874727 | Particulate lead titanate ceramic and composite material containing same | Kanji Ohya, Tsutomu Tsunooka, Hirofumi Ozeki, Takashi Yamamoto | 1989-10-17 |
| 4694440 | Underwater acoustic wave transmitting and receiving unit | Hideo Sobue | 1987-09-15 |