Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374363 | Viscous coupling fluids | Masahiko Fukuda, Teiji Masuda, Kenichi Sekine, Manabu Tohyama, Yukio Yuhashi | 1994-12-20 |
| 4959166 | Fluid composition for use in viscous coupling | Hiromu Minamitani, Atsushi Ikezawa, Toshio Kanayama, Takashi Ushijima, Masao Teraoka +1 more | 1990-09-25 |