Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5622904 | Glass material for molding optical elements | Tomoaki Sugawara, Hiroyuki Endou, Hiroshi Ueno, Akihito Minato | 1997-04-22 |
KO
Katsuyuki Ohkubo
Overall (1997): #122,202 of 185,788Top 70%
1
Patents 1997