Yasuji Kida
9Patents
7h-index
8Co-inventors
52Inventor score
Filing activity: May 19, 1981 → Nov 17, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4369298A | 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 | Chemistry; Metallurgy | 103 | Expired |
| US5106998A | Photochromic compound, composition and use thereof | Chemistry; Metallurgy | 55 | Expired |
| US5130058A | Photochromic compound, process for production thereof, use thereof and composition containing said photochromic compound | Chemistry; Metallurgy | 49 | Expired |
| US5349065A | Photochromic compound | Chemistry; Metallurgy | 34 | Expired |
| US4882438A | Photochromatic compounds | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4960678A | Photochromic compounds | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5214116A | Resin derived from sulfur-containing unsaturated compound and having a high refractive index | Physics | 11 | Expired |
| US4602075A | Monomeric mixture for cured polymeric material used in organic glass | Chemistry; Metallurgy | 6 | Expired |
| US4647639A | Monomeric mixture for cured polymeric material used in organic glass | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.