Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7858546 | Mother glass composition for gradient-index lens, gradient-index lens, manufacturing method thereof, optical product, and optical device | Taro Miyauchi | 2010-12-28 |
| 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, Tomizou Matsuyama | 2009-08-18 |