Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4352902 | Emulsion composition containing cellulose derivative | Yasuharu Nakayama, Hajime Sukejima | 1982-10-05 |
| 4327476 | Method of manufacturing semiconductor devices | Yoshio Nishi | 1982-05-04 |