Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863646 | Method of producing fine particles of thermoplastic resin | Tsutomu Watanabe | 1989-09-05 |
| 4859618 | Method of producing the gate electrode of a field effect transistor | Shinichi Shikata | 1989-08-22 |
| 4819086 | Multirecording method eliminating striped-pattern interference | Tsutomu Honda | 1989-04-04 |
| 4815087 | High speed stable light emitting semiconductor device with low threshold current | — | 1989-03-21 |