Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7207223 | Toroidal-type continuously variable transmission component and method for evaluating the same | Kikuaki Kamamura | 2007-04-24 |
| 5630668 | Thrust needle-shaped roller bearing, rolling bearing, and cage of the thrust needle-shaped roller bearing | Katsuhiro Ikezawa, Hiroshi Iwasa, Yasuhiro Nomura, Toshiro Kawamura, Takashi Nagato +5 more | 1997-05-20 |
| 5611250 | Rolling/sliding part | Satoshi Kadokawa, Yasuyuki Shimazaki, Hiroshi Iwasa | 1997-03-18 |
| 5520987 | Rolling/sliding member | Satoshi Kadokawa, Hiroshi Iwasa, Yasuo Murakami | 1996-05-28 |
| 5415705 | Rolling bearing | Kyozaburo Furumura, Shuji Wada | 1995-05-16 |
| 5298323 | Bearing steel and rolling bearing made thereof | Tsutomu Abe, Shigeru Okita | 1994-03-29 |
| 5256213 | Bearing steel | Tsutomu Abe, Kazuhiro Uemura | 1993-10-26 |