P

Inventor

HATTORI YASUO

JP31 patents
⚠️ This page may combine multiple inventors who share the name “HATTORI YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OLYMPUS OPTICAL CO

14 patents

ASAHI CHEMICAL IND

13 patents
US4994508AFeb 19, 1991

Specific hydrogenated block copolymer composition and process for producing the same

ASAHI CHEMICAL IND185 citations99
US5134199AJul 28, 1992

Diene block polymer and polymer composition

ASAHI CHEMICAL IND69 citations96
US5115035AMay 19, 1992

Terminal-modified block copolymer and compositions containing the same

ASAHI CHEMICAL IND92 citations96
US4931376AJun 5, 1990

Crystalline trans-butadiene polymers

ASAHI CHEMICAL IND187 citations96
US4547560AOct 15, 1985

Random styrene-butadiene copolymer rubber

ASAHI CHEMICAL IND60 citations94
US5017660AMay 21, 1991

Selectively, partially hydrogenated polymer and rubber composition and impact resistant styrenic resin containing the same

ASAHI CHEMICAL IND31 citations93
US4914248AApr 3, 1990

Diene polymers, process for production, thereof, and rubber compositions containing same

ASAHI CHEMICAL IND42 citations93
US5332784AJul 26, 1994

Terminal-modified block copolymer and compositions containing the same

ASAHI CHEMICAL IND34 citations92
US4413098ANov 1, 1983

Isoprene-butadiene copolymer rubber having improved processing properties

ASAHI CHEMICAL IND32 citations92
US4792584ADec 20, 1988

Adhesive compositions

ASAHI CHEMICAL IND42 citations89
US5096970AMar 17, 1992

Prepolymerization process for producing a conjugated diene compound prepolymer solution

ASAHI CHEMICAL IND21 citations82
US4424322AJan 3, 1984

Process for producing polymers or copolymers of conjugated dienes

ASAHI CHEMICAL IND9 citations73
US4446290AMay 1, 1984

Process for producing conjugated diene polymer

ASAHI CHEMICAL IND9 citations72

DENSO CORP

2 patents

ASANI KASEI KOGYO KABUSHIKI KA

1 patent

HITACHI LTD

1 patent