Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320987 | Optical glass | Katsuhiko Yamaguchi, Muneo Nakahara | 1994-06-14 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5320987 | Optical glass | Katsuhiko Yamaguchi, Muneo Nakahara | 1994-06-14 |