P

Inventor

YAMAGUCHI AKIO

JP50 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI AKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TAKASAGO PERFUMERY CO LTD

15 patents
US5516883AMay 14, 1996

Biodegradable optically active copolymer and process for producing the same

TAKASAGO PERFUMERY CO LTD114 citations98
US5461139AOct 24, 1995

Biodegradable optically active copolymers and processes for producing the same

TAKASAGO PERFUMERY CO LTD74 citations94
US5824751AOct 20, 1998

Biodegradable high molecular composition

TAKASAGO PERFUMERY CO LTD38 citations92
US5352763AOct 4, 1994

Biodegradable optically active polymers and intermediate oligomers thereof, and process for producing them

TAKASAGO PERFUMERY CO LTD24 citations91
US5264547ANov 23, 1993

Optically active ether lactone, optically active polymer thereof, and process for producing the polymer

TAKASAGO PERFUMERY CO LTD16 citations74
US6075154AJun 13, 2000

Method of preparation of 2,2'-bis(diarylphosphino)-6,6'-bis(trifluoromethyl)-1,1'-biphenyl, transition metal complex using it as ligand, and optically active 3-hydroxybutanoic acid ester derivative or β-butyrolactone

TAKASAGO PERFUMERY CO LTD15 citations73
US5840811ANov 24, 1998

Optically active block polyester copolymer and method for production thereof

TAKASAGO PERFUMERY CO LTD10 citations73
US5430125AJul 4, 1995

Process for producing poly(3-hydroxybutyric acid)

TAKASAGO PERFUMERY CO LTD10 citations71
US4886623ADec 12, 1989

Ferroelectric smectic liquid crystal compound and composition containing the same

TAKASAGO PERFUMERY CO LTD11 citations71
US5221755AJun 22, 1993

Optically active ether lactone, optically active polymer thereof, and process for producing the polymer

TAKASAGO PERFUMERY CO LTD2 citations63
US5820782AOct 13, 1998

Optically active compound and antiferroelectric liquid crystal composition containing the same

TAKASAGO PERFUMERY CO LTD4 citations62
US5631344AMay 20, 1997

Block copolymer of polyesters and polycarbonates and process for preparation thereof

TAKASAGO PERFUMERY CO LTD4 citations62
US5275756AJan 4, 1994

Fluorine-containing optically active compound and liquid crystal composition containing the same

TAKASAGO PERFUMERY CO LTD4 citations60
US5049308ASep 17, 1991

Ferroelectric smectic liquid crystal compound and composition containing the same

TAKASAGO PERFUMERY CO LTD2 citations60
US5965059AOct 12, 1999

Optically active compound, antiferroelectric liquid crystal composition containing the same, process for producing the same and process for producing an optically active carboxylic acid

TAKASAGO PERFUMERY CO LTD0 citations52

KITAGAWA IND CO LTD

9 patents

FUJITSU LTD

4 patents

ALPINE ELECTRONICS INC

3 patents

YAZAKI CORP

3 patents

SANSHIN ELECTRIC CO LTD

3 patents

HONDA MOTOR CO LTD

2 patents

HITACHI LTD

2 patents

SEIKO INSTR INC

2 patents

YAMAGUCHI AKIO

2 patents

KITAGAWA IND CO INC

1 patent

KITIGAWA IND CO LTD

1 patent

FURUKAWA ELECTRIC CO LTD

1 patent

TOYODA GOSEI KK

1 patent

FUJI PHOTO FILM CO LTD

1 patent