Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196387 | Ceramic composition and a process for producing the same | Kouichi Ayama | 1993-03-23 |
| 5011669 | Process for producing a rod-form silica | Katsuyoshi Tsuchiya | 1991-04-30 |
| 4950381 | Polysilazane and method for synthesis thereof | Hiroyuki Takeuchi, Tamio Serita | 1990-08-21 |
| 4937304 | New polysilazane and process for production of the same | Koichi Ayama, Tamio Serita | 1990-06-26 |
| 4840781 | Process for producing a silicon carbide | — | 1989-06-20 |