Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11108461 | Testing method, light receiving device, and testing system | Toshikazu Yamamoto | 2021-08-31 |
| 5750781 | Process for preparing an aqueous copolymer solution | Yoshifumi Yoshida, Satoshi Yamamoto | 1998-05-12 |
| 5521240 | Paper coating composition | Yoshifumi Yoshida, Toshiyuki Hasegawa, Fujiko Kumei, Akira Kawamura | 1996-05-28 |