Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4959166 | Fluid composition for use in viscous coupling | Hiromu Minamitani, Norio Yano, Atsushi Ikezawa, Takashi Ushijima, Masao Teraoka +1 more | 1990-09-25 |
TK
Toshio Kanayama
Cosmo Oil Co.: 1 patents #111 of 229Top 50%
Tochigi Fuji Sangyo: 1 patents #33 of 99Top 35%
Overall (All Time): #3,912,109 of 4,157,543Top 95%
1
Patents All Time