Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698627 | Additive for papermaking | Tadayoshi Oguni, Satoshi Takizawa | 1997-12-16 |
| 5668316 | Vibrating gyroscope | Jyunichi Hashimoto, Takeshi Nakamura, Yoshiaki Heinouchi, Akira Kumada, Yoshio Kawai +2 more | 1997-09-16 |