Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4943542 | Process for producing silica glass | Fusashi Hayashi, Kooichi Takei, Yooichi Matii, Toshikatsu Simazaki, Takao Nakada | 1990-07-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4943542 | Process for producing silica glass | Fusashi Hayashi, Kooichi Takei, Yooichi Matii, Toshikatsu Simazaki, Takao Nakada | 1990-07-24 |