Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882183 | Method for production of oxide film | Akihiro Hishinuma, Hirotsugu Nagayama, Hideo Kawahara | 1989-11-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882183 | Method for production of oxide film | Akihiro Hishinuma, Hirotsugu Nagayama, Hideo Kawahara | 1989-11-21 |