Kida; Yasuji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kida; Yasuji.The latest application filed is for "photochromic compound".
- Kida; Yasuji - Kudamatsu JP
| Patent | Date |
|---|---|
| Photochromic compound Grant 5,349,065 - Tanaka , et al. September 20, 1 | 1994-09-20 |
| Resin derived from sulfur-containing unsaturated compound and having a high refractive index Grant 5,214,116 - Matsuoka , et al. May 25, 1 | 1993-05-25 |
| Photochromic compound, process for production thereof, use thereof and composition containing said photochromic compound Grant 5,130,058 - Tanaka , et al. * July 14, 1 | 1992-07-14 |
| Photochromic compound, composition and use thereof Grant 5,106,998 - Tanaka , et al. April 21, 1 | 1992-04-21 |
| Photochromic compounds Grant 4,960,678 - Tanaka , et al. October 2, 1 | 1990-10-02 |
| Photochromatic compounds Grant 4,882,438 - Tanaka , et al. November 21, 1 | 1989-11-21 |
| Novel cured resin, process for production thereof, and lens composed of said resin from bis(alkyleneoxyphenyl)-diacrylate, bis(alkyleneoxyphenyl)diallyl ether, bis(alkyleneoxyphenyl)diallyl carbonate monomers Grant 4,369,298 - Kida , et al. January 18, 1 | 1983-01-18 |
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