Inventor
HAYAKAWA KIYOSHI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “HAYAKAWA KIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AGENCY IND SCIENCE TECHN
6 patentsUS5053293AOct 1, 1991
Method for production of photoelectrochemical cell and cell produced thereby
AGENCY IND SCIENCE TECHN10 citations72
US4647348AMar 3, 1987
Method for production of film-coated silicon semiconductor electrode
AGENCY IND SCIENCE TECHN11 citations72
US4298698ANov 3, 1981
Method for manufacture of ion-exchange graft membrane
AGENCY IND SCIENCE TECHN13 citations72
US4794130ADec 27, 1988
Method for graft polymerization of acetylene compound on a shaped polymer article
AGENCY IND SCIENCE TECHN6 citations61
US4502930AMar 5, 1985
Method for manufacture of 7-substituted quadricyclene-cyclodextrin inclusion compound
AGENCY IND SCIENCE TECHN2 citations59
US4473484ASep 25, 1984
Material for conversion of solar energy
AGENCY IND SCIENCE TECHN2 citations57
ASAHI CHEMICAL IND
4 patentsUS4208356AJun 17, 1980
Process for producing mixture of block copolymers
ASAHI CHEMICAL IND105 citations96
US4183877AJan 15, 1980
High-impact polystyrene composition and production thereof
ASAHI CHEMICAL IND30 citations92
US4423190ADec 27, 1983
Block copolymer mixture of conjugated diene and vinyl aromatic hydrocarbon
ASAHI CHEMICAL IND13 citations73
US3976721AAug 24, 1976
Method of producing polystyrene composition
ASAHI CHEMICAL IND17 citations73