Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10823984 | Polarizing lens for spectacles | Hiroo Tamura, Kenzo Wada, Ryogo Nitta | 2020-11-03 |
| 10444547 | Functional laminated spectacle lens having functional layer formed by spin-coating | Hiroo Tamura, Kenzo Wada, Ryogo Nitta | 2019-10-15 |
| 10267966 | Composite functional polarized lens | Kanichi Tamura, Kenzo Wada, Ryogo Nitta | 2019-04-23 |
| 10168554 | Photochromic lens | Kanichi Tamura, Kenzo Wada, Atsushi Takata | 2019-01-01 |
| 9207368 | Light shielding lens for protective eyeglasses | Kanichi Tamura, Kenzo Wada | 2015-12-08 |
| 9175128 | Infrared absorbing spectacle lens and method for producing such lens | Kanichi Tamura, Kenzo Wada | 2015-11-03 |
| 9017820 | Laminated glass lens for spectacles | Kanichi Tamura, Kenzo Wada | 2015-04-28 |
| 8474973 | Infrared absorbing polarized eyeglass lens | Kanichi Tamura, Kenzo Wada | 2013-07-02 |
| 8415413 | Eyeglass lens made of allyl diglycol carbonate resin | Kanichi Tamura, Kenzo Wada | 2013-04-09 |
| 7216976 | Polyurethane resin composition for optical lenses and impact strength synthetic resin lenses | Kanichi Tamura, Chung-Tang Chang | 2007-05-15 |
| 6734272 | Polyurethane resin composition and optical lens having impact resistance | Kanichi Tamura | 2004-05-11 |
| 5926310 | Polarizing film and polarizing composites | Kanichi Tamura | 1999-07-20 |