Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8440776 | Lens-forming silicone resin composition and silicone lens | Tsutomu Kashiwagi, Toshio Shiobara | 2013-05-14 |
| 7829651 | Lens-forming silicone resin composition and silicone lens | Toshio Shiobara, Tsutomi Kashiwagi | 2010-11-09 |