Inventor
TAKEKOSHI TOHRU
US58 patents
⚠️ This page may combine multiple inventors who share the name “TAKEKOSHI TOHRU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GEN ELECTRIC
42 patentsUS5707439AJan 13, 1998
Layered minerals and compositions comprising the same
GEN ELECTRIC211 citations99
US5407984AApr 18, 1995
Process for preparing macrocyclic polyester oligomers
GEN ELECTRIC109 citations98
US5530052AJun 25, 1996
Layered minerals and compositions comprising the same
GEN ELECTRIC151 citations97
US5591800AJan 7, 1997
Method for polymerizing macrocyclic poly(alkylene dicarboxylate) oligomers
GEN ELECTRIC69 citations96
US5527976AJun 18, 1996
Method for polymerizing macrocyclic poly(alkylene dicarboxylate) oligomers
GEN ELECTRIC76 citations96
US5389719AFeb 14, 1995
Method for polymerizing macrocyclic poly(alkylene dicarboxylate) oligomers
GEN ELECTRIC58 citations96
US5387666AFeb 7, 1995
Branched polyesters prepared from macrocyclic poly(Alkylene Dicarboxylate) oligomers
GEN ELECTRIC55 citations96
US5386037AJan 31, 1995
Trisstannoxanes useful for polymerizing macrocyclic poly(alkylene dicarboxylate) oligomers
GEN ELECTRIC56 citations96
US4769424ASep 6, 1988
Polyarylene sulfide block copolymers, method for making, and use
GEN ELECTRIC94 citations96
US5710086AJan 20, 1998
Titanate catalysts
GEN ELECTRIC68 citations95
US4324882AApr 13, 1982
Method for making polyimides
GEN ELECTRIC40 citations93
US4302575ANov 24, 1981
Heat curable polyimides
GEN ELECTRIC29 citations93
US5122578AJun 16, 1992
Polyphenylene ether-polyarylene sulfide compositions
GEN ELECTRIC33 citations92
US5015704AMay 14, 1991
Reactively capped polyarylene sulfide and method and intermediates for their preparation
GEN ELECTRIC28 citations92
US4760117AJul 26, 1988
Method for preparing copolycarbonates from cyclic polycarbonate oligomers
GEN ELECTRIC35 citations92
US4716216ADec 29, 1987
Crystalline polyimides containing cumulative phenylene sulfide units
GEN ELECTRIC26 citations92
US4011198AMar 8, 1977
Method for making polyetherimides
GEN ELECTRIC39 citations92
US3991004ANov 9, 1976
Method for making polyetherimide
GEN ELECTRIC37 citations92
US5357029AOct 18, 1994
Macrocyclic polyimide oligomers and method for their preparation
GEN ELECTRIC24 citations91
US3957862AMay 18, 1976
Method of making aromatic bis(ether ortho phthalic acid)s
GEN ELECTRIC49 citations91
US5773502AJun 30, 1998
Fire retardant blends
GEN ELECTRIC41 citations89
US4281100AJul 28, 1981
Injection moldable polyetherimide oligomers and method for making
GEN ELECTRIC28 citations82
US4221897ASep 9, 1980
Method for making polyetheramide acid
GEN ELECTRIC21 citations82
US4202993AMay 13, 1980
Method for making substantially anhydrous alkali metal bisphenol salts
GEN ELECTRIC20 citations82
US4128574ADec 5, 1978
Method for making organic polycarboxylic acids
GEN ELECTRIC30 citations82
US4024110AMay 17, 1977
Method for making polyetherimides
GEN ELECTRIC22 citations82
US3989670ANov 2, 1976
Method for making polyetherimides
GEN ELECTRIC21 citations81
US6197924B1Mar 6, 2001
Method for isolating dihydroxybiphenyl polyethersulfones
GEN ELECTRIC10 citations74
US5194566AMar 16, 1993
Polyarylene sulfide block copolymers, method for making, and use
GEN ELECTRIC13 citations74
US4906730AMar 6, 1990
Polyetherimide blends, and molding method
GEN ELECTRIC11 citations74
US4808696AFeb 28, 1989
Method for making organobis(thioether)s, and products obtained therefrom
GEN ELECTRIC6 citations74
US4695612ASep 22, 1987
Secondary amine-terminated oligomers and copolyurethanecarbonates prepared therefrom
GEN ELECTRIC10 citations74
US4599396AJul 8, 1986
Crystalline polyetherimides and polyamic acid precursors therefor
GEN ELECTRIC18 citations74
US4293684AOct 6, 1981
Polyetherimide having long chain aliphatic end groups and method for making
GEN ELECTRIC16 citations74
US4217281AAug 12, 1980
Imide carbonyl compounds and method for making
GEN ELECTRIC14 citations74
US5015703AMay 14, 1991
Reactively capped polyarylene sulfide and method and intermediates for their preparation
GEN ELECTRIC12 citations73
US4634760AJan 6, 1987
Novel copolyimides and polyamic acid precursors therefor
GEN ELECTRIC14 citations73
US4293683AOct 6, 1981
Method for making polyetherimides using carboxylic acid salts of alkali metals or zinc as catalysts
GEN ELECTRIC14 citations73
US5357033AOct 18, 1994
Film forming aromatic organic polymers having enhanced dielectric constant values and method for making
GEN ELECTRIC15 citations72
US6815483B2Nov 9, 2004
Method for preparing polyether copolymers with polycarbonates and polyarylates
GEN ELECTRIC2 citations63
US6608147B2Aug 19, 2003
Method for preparing polyether copolymers with polycarbonates and polyarylates
GEN ELECTRIC2 citations63
US6583233B2Jun 24, 2003
Method for preparing polyether copolymers with polycarbonates and polyarylates
GEN ELECTRIC2 citations63
CYCLICS CORP
7 patentsUS6420047B2Jul 16, 2002
Macrocyclic polyester oligomers and processes for polymerizing the same
CYCLICS CORP79 citations98
US6369157B1Apr 9, 2002
Blend material including macrocyclic polyester oligomers and processes for polymerizing the same
CYCLICS CORP117 citations98
US6994914B2Feb 7, 2006
Macrocyclic polyester oligomers and processes for polymerizing the same
CYCLICS CORP32 citations92
US7230044B2Jun 12, 2007
Intimate physical mixtures containing macrocyclic polyester oligomer and filler
CYCLICS CORP23 citations91
US6960626B2Nov 1, 2005
Intimate physical mixtures containing macrocyclic polyester oligomer and filler
CYCLICS CORP30 citations91
US7256241B2Aug 14, 2007
Methods for polymerizing macrocyclic polyester oligomers using catalyst promoters
CYCLICS CORP11 citations84
US7151143B2Dec 19, 2006
Blends containing macrocyclic polyester oligomer and high molecular weight polymer
CYCLICS CORP17 citations80
CYCLIS CORP
1 patentShowing the top 50 of 58 patents by PatentIndex Score.