Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4312797 | Aqueous coating composition | Yasuharu Nakayama, Kuninosuke Nakanishi, Yoshio Yamashita, Isao Toyomoto | 1982-01-26 |
| 4309321 | Aqueous coating composition | Yasuharu Nakayama, Yoshio Yamashita | 1982-01-05 |