Kawamura; Yuko
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kawamura; Yuko.The latest application filed is for "functional dyed spectacle lens".
- Kawamura; Yuko - Tokyo JP
- Kawamura; Yuko - Utsunomiya JP
- Kawamura; Yuko - Funabashi JP
| Patent | Date |
|---|---|
| Functional dyed spectacle lens Grant 10,025,117 - Takedomi , et al. July 17, 2 | 2018-07-17 |
| Functional Dyed Spectacle Lens App 20160313574 - TAKEDOMI; Yuka ; et al. | 2016-10-27 |
| Colored plastic lens and method of manufacture therefor Grant 6,027,816 - Ono , et al. February 22, 2 | 2000-02-22 |
| Photochromic plastic lens and its method of manufacture Grant 5,914,193 - Ono , et al. June 22, 1 | 1999-06-22 |
| Colored plastic lens and method of manufacturing therefor Grant 5,830,578 - Ono , et al. November 3, 1 | 1998-11-03 |
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