Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4681862 | Electrically insulating filler for sheathed heaters | Masafumi Kobune | 1987-07-21 |
| 4591492 | Method of manufacturing crystalline silicon carbide employing acid pretreated rice husks | Minoru Tanaka, Masafumi Kobune | 1986-05-27 |
| 4525335 | Method of manufacturing crystalline silicon nitride and method of separation thereof | Minoru Tanaka | 1985-06-25 |
| 4504453 | Method of manufacturing crystalline silicon carbide | Minoru Tanaka, Masafumi Kobune | 1985-03-12 |