Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656582 | Rust preventive lubricating oil | Emiko Shiraishi, Hiroyuki Ito, Masao Yamamoto, Akira Suzuki, Shigeki Maehara | 1997-08-12 |
| 5640769 | Method for producing a cage of the ball bearing | Akira Suzuki, Jiami Pu, Magozou Hamamoto, Kazuo Akagami, Masahiro Takahashi +4 more | 1997-06-24 |