Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5082484 | Apparatus for making quartz glass crucibles | Akihiko Koseki, Kohichi Hirata, Haruhiko Itoh | 1992-01-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5082484 | Apparatus for making quartz glass crucibles | Akihiko Koseki, Kohichi Hirata, Haruhiko Itoh | 1992-01-21 |