Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39613 | Half bearing with grooves preventing leakage of lubricating oil | Masayuki Niwa, Yoshitaka Ito, Mitsuru Sugita, Akira Ono, Masaaki Sakamoto | 2007-05-08 |
| 6695482 | Half bearing with grooves preventing leakage of lubricating oil | Masayuki Niwa, Yoshitaka Ito, Mitsuru Sugita, Akira Ono, Masaaki Sakamoto | 2004-02-24 |