Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8870373 | Single-lens type polarizing glasses | Koichiro Oka | 2014-10-28 |
| D665443 | Swimming goggles | Keizo Kitamura | 2012-08-14 |
| D620517 | Swimming goggles | — | 2010-07-27 |
| D603444 | Sunglasses | Kazuto Yasuhara | 2009-11-03 |
| 7526813 | Goggles | Hirofumi Tominaga, Noriaki Atake | 2009-05-05 |