Inventor · disambiguated record
Tohru Takekoshi
Also filed as: TAKEKOSHI TOHRU
58 granted patents·6 pending applications·1,995 citations·filing 1974–2006
99Inventor score
Top patents by PatentIndex Score
64 records- 0198US6420047B2Macrocyclic polyester oligomers and processes for polymerizing the sameCYCLICS CORP·Filed 2001·Granted Jul 16, 2002·79 cites·29 claims
- 0298US5707439ALayered minerals and compositions comprising the sameGEN ELECTRIC·Filed 1995·Granted Jan 13, 1998·211 cites·13 claims
- 0398US5407984AProcess for preparing macrocyclic polyester oligomersGEN ELECTRIC·Filed 1994·Granted Apr 18, 1995·109 cites·21 claims
- 0497US6369157B1Blend material including macrocyclic polyester oligomers and processes for polymerizing the sameCYCLICS CORP·Filed 2000·Granted Apr 9, 2002·117 cites·10 claims
- 0597US4769424APolyarylene sulfide block copolymers, method for making, and useGEN ELECTRIC·Filed 1987·Granted Sep 6, 1988·94 cites·3 claims
- 0696US7230044B2Intimate physical mixtures containing macrocyclic polyester oligomer and fillerCYCLICS CORP·Filed 2005·Granted Jun 12, 2007·23 cites·18 claims
- 0796US5530052ALayered minerals and compositions comprising the sameGEN ELECTRIC·Filed 1995·Granted Jun 25, 1996·151 cites·34 claims
- 0896US3957862AMethod of making aromatic bis(ether ortho phthalic acid)sGEN ELECTRIC·Filed 1974·Granted May 18, 1976·49 cites·9 claims
- 0995US5527976AMethod for polymerizing macrocyclic poly(alkylene dicarboxylate) oligomersGEN ELECTRIC·Filed 1995·Granted Jun 18, 1996·76 cites·4 claims
- 1093US6994914B2Macrocyclic polyester oligomers and processes for polymerizing the sameCYCLICS CORP·Filed 2003·Granted Feb 7, 2006·32 cites·18 claims
- 1193US5591800AMethod for polymerizing macrocyclic poly(alkylene dicarboxylate) oligomersGEN ELECTRIC·Filed 1995·Granted Jan 7, 1997·69 cites·12 claims
- 1293US5386037ATrisstannoxanes useful for polymerizing macrocyclic poly(alkylene dicarboxylate) oligomersGEN ELECTRIC·Filed 1994·Granted Jan 31, 1995·56 cites·5 claims
- 1392US6960626B2Intimate physical mixtures containing macrocyclic polyester oligomer and fillerCYCLICS CORP·Filed 2004·Granted Nov 1, 2005·30 cites·44 claims
- 1492US5389719AMethod for polymerizing macrocyclic poly(alkylene dicarboxylate) oligomersGEN ELECTRIC·Filed 1994·Granted Feb 14, 1995·58 cites·11 claims
- 1592US5387666ABranched polyesters prepared from macrocyclic poly(Alkylene Dicarboxylate) oligomersGEN ELECTRIC·Filed 1994·Granted Feb 7, 1995·55 cites·6 claims
- 1692US4128574AMethod for making organic polycarboxylic acidsGEN ELECTRIC·Filed 1976·Granted Dec 5, 1978·30 cites·11 claims
- 1791US7256241B2Methods for polymerizing macrocyclic polyester oligomers using catalyst promotersCYCLICS CORP·Filed 2006·Granted Aug 14, 2007·11 cites·39 claims
- 1890US6639009B2Macrocyclic polyester oligomers and processes for polymerizing the sameCYCLIS CORP·Filed 2002·Granted Oct 28, 2003·32 cites·8 claims
- 1989US4324882AMethod for making polyimidesGEN ELECTRIC·Filed 1980·Granted Apr 13, 1982·40 cites·11 claims
- 2089US4202993AMethod for making substantially anhydrous alkali metal bisphenol saltsGEN ELECTRIC·Filed 1979·Granted May 13, 1980·20 cites·5 claims
- 2187US4760117AMethod for preparing copolycarbonates from cyclic polycarbonate oligomersGEN ELECTRIC·Filed 1986·Granted Jul 26, 1988·35 cites·38 claims
- 2287US4011198AMethod for making polyetherimidesGEN ELECTRIC·Filed 1975·Granted Mar 8, 1977·39 cites·3 claims
- 2387US3991004AMethod for making polyetherimideGEN ELECTRIC·Filed 1975·Granted Nov 9, 1976·37 cites·17 claims
- 2486US4217281AImide carbonyl compounds and method for makingGEN ELECTRIC·Filed 1978·Granted Aug 12, 1980·14 cites·5 claims
- 2584US5773502AFire retardant blendsGEN ELECTRIC·Filed 1997·Granted Jun 30, 1998·41 cites·20 claims
- 2684US5710086ATitanate catalystsGEN ELECTRIC·Filed 1996·Granted Jan 20, 1998·68 cites·5 claims
- 2782US7151143B2Blends containing macrocyclic polyester oligomer and high molecular weight polymerCYCLICS CORP·Filed 2004·Granted Dec 19, 2006·17 cites·36 claims
- 2881US5122578APolyphenylene ether-polyarylene sulfide compositionsGEN ELECTRIC·Filed 1990·Granted Jun 16, 1992·33 cites·21 claims
- 2981US4716216ACrystalline polyimides containing cumulative phenylene sulfide unitsGEN ELECTRIC·Filed 1986·Granted Dec 29, 1987·26 cites·6 claims
- 3081US4302575AHeat curable polyimidesGEN ELECTRIC·Filed 1979·Granted Nov 24, 1981·29 cites·8 claims
- 3181US4281100AInjection moldable polyetherimide oligomers and method for makingGEN ELECTRIC·Filed 1980·Granted Jul 28, 1981·28 cites·13 claims
- 3280US5015704AReactively capped polyarylene sulfide and method and intermediates for their preparationGEN ELECTRIC·Filed 1990·Granted May 14, 1991·28 cites·7 claims
- 3379US3989670AMethod for making polyetherimidesGEN ELECTRIC·Filed 1974·Granted Nov 2, 1976·21 cites·4 claims
- 3478US5357029AMacrocyclic polyimide oligomers and method for their preparationGEN ELECTRIC·Filed 1993·Granted Oct 18, 1994·24 cites·20 claims
- 3577US4221897AMethod for making polyetheramide acidGEN ELECTRIC·Filed 1979·Granted Sep 9, 1980·21 cites·7 claims
- 3677US4024110AMethod for making polyetherimidesGEN ELECTRIC·Filed 1975·Granted May 17, 1977·22 cites·8 claims
- 3771US4599396ACrystalline polyetherimides and polyamic acid precursors thereforGEN ELECTRIC·Filed 1984·Granted Jul 8, 1986·18 cites·20 claims
- 3866US4293684APolyetherimide having long chain aliphatic end groups and method for makingGEN ELECTRIC·Filed 1980·Granted Oct 6, 1981·16 cites·10 claims
- 3965US4634760ANovel copolyimides and polyamic acid precursors thereforGEN ELECTRIC·Filed 1985·Granted Jan 6, 1987·14 cites·13 claims
- 4064US5194566APolyarylene sulfide block copolymers, method for making, and useGEN ELECTRIC·Filed 1991·Granted Mar 16, 1993·13 cites·3 claims
- 4162US6469205B1Method for oxidation of xylene derivativesGEN ELECTRIC·Filed 2000·Granted Oct 22, 2002·4 cites·18 claims
- 4261US5015703AReactively capped polyarylene sulfide and method and intermediates for their preparationGEN ELECTRIC·Filed 1990·Granted May 14, 1991·12 cites·8 claims
- 4361US4906730APolyetherimide blends, and molding methodGEN ELECTRIC·Filed 1988·Granted Mar 6, 1990·11 cites·8 claims
- 4461US4293683AMethod for making polyetherimides using carboxylic acid salts of alkali metals or zinc as catalystsGEN ELECTRIC·Filed 1980·Granted Oct 6, 1981·14 cites·10 claims
- 4559US6608147B2Method for preparing polyether copolymers with polycarbonates and polyarylatesGEN ELECTRIC·Filed 2001·Granted Aug 19, 2003·2 cites·19 claims
- 4658US6815483B2Method for preparing polyether copolymers with polycarbonates and polyarylatesGEN ELECTRIC·Filed 2001·Granted Nov 9, 2004·2 cites·12 claims
- 4758US6583233B2Method for preparing polyether copolymers with polycarbonates and polyarylatesGEN ELECTRIC·Filed 2001·Granted Jun 24, 2003·2 cites·20 claims
- 4858US4695612ASecondary amine-terminated oligomers and copolyurethanecarbonates prepared therefromGEN ELECTRIC·Filed 1986·Granted Sep 22, 1987·10 cites·10 claims
- 4955US2005245676A1Macrocyclic polyester oligomers and processes for polymerizing the sameCYCLICS CORP·Filed 2005·Application pending·0 cites
- 5055US2006287440A1Blends containing macrocyclic polyester oligomer and high molecular weight polymerCYCLICS CORP·Filed 2006·Application pending·0 cites
Showing the top 50 of 64 patent records by PatentIndex Score.
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