Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9507176 | Polarization optical article in which uneven coloring by polarization color has been improved | Nobuyuki Kobuchi, Koichiro Oka | 2016-11-29 |
| 9015868 | Fog-resistant structure and protective device for eyes | Kimio Matsumoto, Jindai Yamaguchi | 2015-04-28 |
| 7922324 | Synthetic resin lens and eye lens article thereof | Fumio Ishibashi, Jindai Yamaguchi | 2011-04-12 |