Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882197 | Method for depositing a lubricant layer to manufacture a magnetic recording medium | Hisanori Suzuki | 1989-11-21 |
| 4870322 | Electroluminescent panel having a layer of germanium nitride between an electroluminescent layer and a back electrode | Yasumoto Shimizu | 1989-09-26 |