Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5338703 | Method for producing a recessed gate field effect transistor | — | 1994-08-16 |
| 5282411 | Heat-insulating piston with middle section of less dense but same material | Katsunori Hirai | 1994-02-01 |