Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622904 | Glass material for molding optical elements | Katsuyuki Ohkubo, Tomoaki Sugawara, Hiroyuki Endou, Hiroshi Ueno | 1997-04-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622904 | Glass material for molding optical elements | Katsuyuki Ohkubo, Tomoaki Sugawara, Hiroyuki Endou, Hiroshi Ueno | 1997-04-22 |