Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8530051 | High strength gear, power transmission mechanism using same, and production method for high strength gear | Kenji Yamamoto | 2013-09-10 |
| 6569267 | High bearing pressure-resistant member | Tsuyoshi Nakamura, Sadayuki Nakamura, Toshimitsu Kimura, Keizo Otani, Noriko Uchiyama +2 more | 2003-05-27 |