Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4943542 | Process for producing silica glass | Fusashi Hayashi, Kooichi Takei, Yooichi Matii, Toshikatsu Simazaki, Akihito Imai | 1990-07-24 |
| 4690911 | Zirconia ceramics and process for producing the same | — | 1987-09-01 |
| 4542110 | Process for producing zirconium oxide sintered body | Mamoru Kamimura, Toranosuke Ashizawa | 1985-09-17 |