Inventor · disambiguated record
Hiroshi Itatani
Also filed as: ITATANI HIROSHI · KASHIMA MIKITO
39 granted patents·5 pending applications·747 citations·filing 1973–2013
98Inventor score
Top patents by PatentIndex Score
44 records- 0194US6627377B1Positive photosensitive poliymide compositionPI R & D CO LTD·Filed 1998·Granted Sep 30, 2003·106 cites·46 claims
- 0293US4539423AProcess for preparing diesters of malonic acidUBE INDUSTRIES·Filed 1982·Granted Sep 3, 1985·55 cites·21 claims
- 0390US7648815B2Negative photosensitive polyimide composition and method for forming image the samePI R & D CO LTD·Filed 2001·Granted Jan 19, 2010·39 cites·16 claims
- 0489US5042992AGas separation materialGRACE W R & CO·Filed 1990·Granted Aug 27, 1991·42 cites·25 claims
- 0588US4294976AProcess for producing biphenyl compoundsUBE INDUSTRIES·Filed 1979·Granted Oct 13, 1981·28 cites·11 claims
- 0688US3940426AProcess for producing biphenyltetracarboxylic dianhydridesUBE INDUSTRIES·Filed 1973·Granted Feb 24, 1976·19 cites·3 claims
- 0785US4229589AProcess for preparing a diester of oxalic acidUBE INDUSTRIES·Filed 1978·Granted Oct 21, 1980·17 cites·6 claims
- 0884US4568715AAromatic polyimide composition comprising mixed solventUBE INDUSTRIES·Filed 1985·Granted Feb 4, 1986·33 cites·8 claims
- 0983US4138587AProcess for the preparation of dialkyl oxalatesUBE INDUSTRIES·Filed 1977·Granted Feb 6, 1979·21 cites·12 claims
- 1082US5502143AProcess for preparing polyimide resinsPI MATERIAL RESEARCH LAB·Filed 1995·Granted Mar 26, 1996·55 cites·16 claims
- 1181US5202411ATri-component polyimide composition and preparation thereofGRACE W R & CO·Filed 1991·Granted Apr 13, 1993·41 cites·23 claims
- 1280US4290936AProcess for preparing polyimide solutionUBE INDUSTRIES·Filed 1979·Granted Sep 22, 1981·26 cites·11 claims
- 1378US6630064B1Composition for electrodeposition of polyimides and method for producing patterned polyimide membranes using the samePI R & D CO LTD·Filed 2000·Granted Oct 7, 2003·15 cites·5 claims
- 1476US7323348B2Superconducting integrated circuit and method for fabrication thereofNAT INST OF ADVANCED IND SCIEN·Filed 2005·Granted Jan 29, 2008·7 cites·5 claims
- 1576US6890626B1Imide-benzoxazole polycondensate and process for producing the samePI R & D CO LTD·Filed 2000·Granted May 10, 2005·18 cites·17 claims
- 1676US6777159B1Method for forming polyimide pattern using photosensitive polyimide and composition for use thereinPI R & D CO LTD·Filed 2000·Granted Aug 17, 2004·20 cites·18 claims
- 1771US4581469AMethod for producing biphenyltetracarboxylic estersUBE INDUSTRIES·Filed 1984·Granted Apr 8, 1986·11 cites·19 claims
- 1870US4180607AEpoxy resin composition and method for curing the epoxy resin compositionUBE INDUSTRIES·Filed 1978·Granted Dec 25, 1979·15 cites·24 claims
- 1969US8349971B26,6-polyimide copolymers and processes for preparing themSOLPIT IND LTD·Filed 2007·Granted Jan 8, 2013·2 cites·1 claims
- 2067US4247443AAromatic polyimide resin compositionUBE INDUSTRIES·Filed 1979·Granted Jan 27, 1981·16 cites·12 claims
- 2165US4262768APower transmission system for tractorKUBOTA LTD·Filed 1978·Granted Apr 21, 1981·24 cites·5 claims
- 2263US4567280AProcess for producing iodo-aromatic compoundsUBE INDUSTRIES·Filed 1984·Granted Jan 28, 1986·5 cites·10 claims
- 2360US4373597ATractor for agricultureKUBOTA LTD·Filed 1981·Granted Feb 15, 1983·16 cites·7 claims
- 2460US4042603AIntramolecular cyclization in a fatty acid ester solventUBE INDUSTRIES·Filed 1975·Granted Aug 16, 1977·5 cites·20 claims
- 2559US6911665B2Superconducting integrated circuit and method for fabrication thereofPI R & D CO LTD·Filed 2003·Granted Jun 28, 2005·5 cites·5 claims
- 2659US5741599APolyimide compositions for electrodeposition and coatings formed of the samePI MATERIALS RESEARCH LAB·Filed 1996·Granted Apr 21, 1998·23 cites·7 claims
- 2757US4721494ADrive transmission structure for tractorKUBOTA LTD·Filed 1986·Granted Jan 26, 1988·15 cites·5 claims
- 2852US2013224653A1Crosslinked polyimide, composition comprising the same and method for producing the samePI R & D CO LTD·Filed 2013·Application pending·0 cites
- 2951US8742031B2Solvent-soluble 6,6-polyimide copolymers and processes for preparing themITATANI HIROSHI·Filed 2007·Granted Jun 3, 2014·0 cites·11 claims
- 3051US5200449APolyimide resin and preparation thereofGRACE W R & CO·Filed 1991·Granted Apr 6, 1993·7 cites·5 claims
- 3148US4674287ARunning apparatus for an agricultural vehicleKUBOTA LTD·Filed 1984·Granted Jun 23, 1987·10 cites·5 claims
- 3246US4292435AMethod of producing biphenyltetracarboxylic estersUBE INDUSTRIES·Filed 1980·Granted Sep 29, 1981·8 cites·15 claims
- 3344US6589662B1Composite filmPI R & D CO LTD·Filed 1999·Granted Jul 8, 2003·8 cites·13 claims
- 3444US4717494ALiquid thermal accumulator composition and thermal accumulation processUBE INDUSTRIES·Filed 1986·Granted Jan 5, 1988·7 cites·12 claims
- 3544US4273007ATransmission for agricultural tractorKUBOTA LTD·Filed 1979·Granted Jun 16, 1981·7 cites·4 claims
- 3642US2007106056A1Crosslinked polyimide, composition comprising the same and method for producing the samePI R & D CO LTD·Filed 2004·Application pending·0 cites
- 3741US4338456AMethod of producing biphenyltetracarboxylic estersUBE INDUSTRIES·Filed 1981·Granted Jul 6, 1982·6 cites·24 claims
- 3841US2011136061A1Crosslinked polyimide, composition comprising the same and process for producing the sameITATANI HIROSHI·Filed 2010·Application pending·0 cites
- 3939US4731983ALawn mowerKUBOTA LTD·Filed 1986·Granted Mar 22, 1988·8 cites·13 claims
- 4039US4245518ADevice for tightening an endless element trained over driving membersKUBOTA LTD·Filed 1978·Granted Jan 20, 1981·7 cites·5 claims
- 4137US7638255B2Method for forming image through reaction developmentYOKOHAMA TLO COMPANY LTD·Filed 2002·Granted Dec 29, 2009·0 cites·9 claims
- 4236US2005272907A1Solvent-soluble block copolymide composition and process for producing the sameJIN XINGZHOU·Filed 2003·Application pending·0 cites
- 4334US2006004180A1Solution compositions of block copolyimides comprising pyromellitic dianhydride and process for production thereofITATANI HIROSHI·Filed 2003·Application pending·0 cites
- 4433US4048197A2,3,3',4'-Biphenyltetracarboxylic acid dianhydrideUBE INDUSTRIES·Filed 1975·Granted Sep 13, 1977·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →