Inventor

KOINUMA YASUMI

JP11 patents

⚠️ This page may combine multiple inventors who share the name “KOINUMA YASUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NIPPON OILS & FATS CO LTD

6 patents

US4930879AJun 5, 1990

Synthetic resin lens

NIPPON OILS & FATS CO LTD15 citations72

US5274059ADec 28, 1993

Maleimide copolymer and process for preparing same

NIPPON OILS & FATS CO LTD14 citations70

US5140083AAug 18, 1992

Maleimide copolymer and process for preparing same

NIPPON OILS & FATS CO LTD8 citations70

US4855374AAug 8, 1989

Optical resin from diallyl esters

NIPPON OILS & FATS CO LTD11 citations69

US5179162AJan 12, 1993

N-substituted maleimide polymer composition

NIPPON OILS & FATS CO LTD4 citations59

US5164451ANov 17, 1992

Maleimide copolymer, maleimide block copolymer and method for producing maleimide block copolymer

NIPPON OILS & FATS CO LTD6 citations59

NOF CORP

5 patents

US5461433AOct 24, 1995

Highly hydrous soft contact lens and a treating solution for contact lenses

NOF CORP74 citations94

US5936703AAug 10, 1999

Alkoxysilane compound, surface processing solution and contact lens

NOF CORP102 citations93

US5807942ASep 15, 1998

Polymerized product of protein and process for producing it

NOF CORP10 citations72

US5466853ANov 14, 1995

Diester monomer, its polymer, water-containing soft contact lens, and processing solution for contact lens

NOF CORP16 citations72

US5594090AJan 14, 1997

Alkylene sulfide group-containing prepolymer, polymerizable composition and optical material

NOF CORP7 citations69