Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7576021 | Mother glass composition for graded index lens, graded index lens, manufacturing method of graded index lens, optical product and optical instrument using the same | Taro Miyauchi, Kazuya Ohkawa, Tatsufumi Shiba | 2009-08-18 |