Yasumi Koinuma
12Patents
5h-index
28Co-inventors
62Inventor score
Filing activity: Jun 22, 1988 → Jan 23, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5936703A | Alkoxysilane compound, surface processing solution and contact lens | Chemistry; Metallurgy | 56 | Expired |
| US5461433A | Highly hydrous soft contact lens and a treating solution for contact lenses | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5466853A | Diester monomer, its polymer, water-containing soft contact lens, and processing solution for contact lens | Physics | 12 | Expired |
| US6417273B1 | Monomer composition for optical plastic optical material, optical plastic material, and lens | Chemistry; Metallurgy | 7 | Expired |
| US5164451A | Maleimide copolymer, maleimide block copolymer and method for producing maleimide block copolymer | Chemistry; Metallurgy | 5 | Expired |
| US4930879A | Synthetic resin lens | Physics | 5 | Expired |
| US5274059A | Maleimide copolymer and process for preparing same | Chemistry; Metallurgy | 5 | Expired |
| US4855374A | Optical resin from diallyl esters | Physics | 3 | Expired |
| US5807942A | Polymerized product of protein and process for producing it | Chemistry; Metallurgy | 3 | Expired |
| US5594090A | Alkylene sulfide group-containing prepolymer, polymerizable composition and optical material | Physics | 2 | Expired |
| US5140083A | Maleimide copolymer and process for preparing same | Chemistry; Metallurgy | 2 | Expired |
| US5179162A | N-substituted maleimide polymer composition | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.