Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336643 | Low expansion transparent crystallized glass-ceramic | Naoyuki Goto | 1994-08-09 |
| 5332700 | High dispersion optical glass | Katsuhiko Yamaguchi, Futoshi Ishizaki, Naoyuki Goto, Goro Enomoto, Hideo Yasui | 1994-07-26 |