Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336643 | Low expansion transparent crystallized glass-ceramic | Hisao Yatsuda | 1994-08-09 |
| 5332700 | High dispersion optical glass | Katsuhiko Yamaguchi, Futoshi Ishizaki, Hisao Yatsuda, Goro Enomoto, Hideo Yasui | 1994-07-26 |
| 5275218 | Precure tread for a new tire, and retread tires | Shohachiro Nakayama, Toyomi Iwata, Masahiro Kuroda, Hiroshi Ueda, Michio Ishii | 1994-01-04 |