Inventor · disambiguated record
Nobushige Itaya
Also filed as: HIRANO MASACHIKA · ITAYA NOBUSHIGE · OHSUMI TADASHI
57 granted patents·5 pending applications·653 citations·filing 1972–2007
98Inventor score
Top patents by PatentIndex Score
62 records- 0198US4176189AInsecticidal and acaricidal hydantoin N-methylol estersSUMITOMO CHEMICAL CO·Filed 1978·Granted Nov 27, 1979·74 cites·29 claims
- 0298US3996244AInsecticidal esters of substituted furan methanolSUMITOMO CHEMICAL CO·Filed 1973·Granted Dec 7, 1976·59 cites·11 claims
- 0394US4062968AInsecticidal substituted acetate compoundsSUMITOMO CHEMICAL CO·Filed 1975·Granted Dec 13, 1977·36 cites·27 claims
- 0494US4058622ASubstituted phenyl acetate, insecticidal composition and method of useSUMITOMO CHEMICAL CO·Filed 1975·Granted Nov 15, 1977·30 cites·5 claims
- 0593US3954814AAlkadienylcyclopropanecarboxylatesSUMITOMO CHEMICAL CO·Filed 1972·Granted May 4, 1976·22 cites·4 claims
- 0692US6365745B1Method for producing hydrazine derivativeSUMIKA FINE CHEMICALS CO LTD·Filed 2001·Granted Apr 2, 2002·53 cites·10 claims
- 0792US4336194ABenzyl pyrrolyl methyl carboxylate insecticides and acaricidesSUMITOMO CHEMICAL CO·Filed 1979·Granted Jun 22, 1982·20 cites·2 claims
- 0892US4266074ANovel insecticidal compositionSUMITOMO CHEMICAL CO·Filed 1975·Granted May 5, 1981·23 cites·3 claims
- 0991US4003945ANovel cyclopropanecarboxylatesSUMITOMO CHEMICAL CO·Filed 1974·Granted Jan 18, 1977·23 cites·5 claims
- 1091US3981903ACyclopropane carboxylic acid estersSUMITOMO CHEMICAL CO·Filed 1974·Granted Sep 21, 1976·24 cites·6 claims
- 1190US4118505ANovel cyclopropanecarboxylatesSUMITOMO CHEMICAL CO·Filed 1975·Granted Oct 3, 1978·23 cites·13 claims
- 1289US3998868AAlkadienylcyclopropanecarboxylatesSUMITOMO CHEMICAL CO·Filed 1975·Granted Dec 21, 1976·19 cites·4 claims
- 1388US4327109ANovel alkadienylcyclopropanecarboxylatesSUMITOMO CHEMICAL CO·Filed 1980·Granted Apr 27, 1982·17 cites·11 claims
- 1488US4212879ABenzyl pyrrolyl methyl carboxylate insecticides and acaricidesSUMITOMO CHEMICAL CO·Filed 1978·Granted Jul 15, 1980·14 cites·7 claims
- 1587US6730803B2Synthetic intermediate for epothilone derivative and production method thereofSUMIKA FINE CHEMICALS CO LTD·Filed 2002·Granted May 4, 2004·27 cites·28 claims
- 1686US4229469AInsecticidal alkadienylcyclopropanecarboxylatesSUMITOMO CHEMICAL CO·Filed 1975·Granted Oct 21, 1980·12 cites·18 claims
- 1785US4531008AOptically active phenyl acetatesSUMITOMO CHEMICAL CO·Filed 1983·Granted Jul 23, 1985·12 cites·30 claims
- 1885US3966963AInsecticidal composition containing cyclopropane-carboxylateSUMITOMO CHEMICAL CO·Filed 1975·Granted Jun 29, 1976·16 cites·3 claims
- 1983US4039680AInsecticidal substituted acetate compoundsSUMITOMO CHEMICAL CO·Filed 1975·Granted Aug 2, 1977·16 cites·5 claims
- 2081US6740770B2Crystal of bicalutamide and production method thereofSUMIKA FINE CHEMICALS CO LTD·Filed 2002·Granted May 25, 2004·13 cites·5 claims
- 2181US4031235AInsecticidal substituted acetate compoundsSUMITOMO CHEMICAL CO·Filed 1975·Granted Jun 21, 1977·11 cites·6 claims
- 2280US5948914APiperidine derivative and process for preparing the sameSUMIKA FINE CHEMICALS CO LTD·Filed 1998·Granted Sep 7, 1999·20 cites·2 claims
- 2373US6350880B1Crystalline or crystallized acid addition salt of losartan and purification method of losartanSUMIKA FINE CHEMICALS CO LTD·Filed 2000·Granted Feb 26, 2002·6 cites·6 claims
- 2473US4053625AInsecticidesSUMITOMO CHEMICAL CO·Filed 1975·Granted Oct 11, 1977·7 cites·9 claims
- 2572US7132560B2Crystal of bicalutamide and production method thereofSUMITOMO CHEMICAL CO·Filed 2003·Granted Nov 7, 2006·5 cites·33 claims
- 2670US6476227B1Piperidine derivative and process for preparing the sameSUMIKA FINE CHEMICALS CO LTD·Filed 2000·Granted Nov 5, 2002·3 cites·6 claims
- 2768US3989654AProcess for preparing cis-chrysanthemic acidSUMITOMO CHEMICAL CO·Filed 1974·Granted Nov 2, 1976·10 cites·1 claims
- 2867US4083855AMethod for producing a γ-lactoneSUMITOMO CHEMICAL CO·Filed 1977·Granted Apr 11, 1978·5 cites·2 claims
- 2965US4014940AProcess for preparing m-phenoxybenzylalcohol and side-chain halogenated m-phenoxytolueneSUMITOMO CHEMICAL CO·Filed 1974·Granted Mar 29, 1977·6 cites·9 claims
- 3064US6815548B2Process for preparing a piperidine derivativeSUMIKA FINE CHEMICALS CO LTD·Filed 2003·Granted Nov 9, 2004·2 cites·4 claims
- 3164US6610851B1Process for preparing a piperidine derivativeSUMIKA FINE CHEMICALS CO LTD·Filed 2000·Granted Aug 26, 2003·2 cites·7 claims
- 3264US6369266B1Process for producing tert-butyl 4′-methyl-2-biphenylcarboxlateSUMIKA FINE CHEMICALS CO LTD·Filed 2000·Granted Apr 9, 2002·3 cites·6 claims
- 3363US4265906ALow mammalian toxic and/or low fish toxic insecticides and/or acaricidesSUMITOMO CHEMICAL CO·Filed 1979·Granted May 5, 1981·4 cites·5 claims
- 3462US5892094AProcess for preparing 4'-methyl-2-cyanobiphenylSUMIKA FINE CHEMICALS CO LTD·Filed 1997·Granted Apr 6, 1999·8 cites·12 claims
- 3560US7268257B1Process for producing tolterodineSUMITOMO CHEMICAL CO·Filed 2006·Granted Sep 11, 2007·1 cites·21 claims
- 3659US6333430B1Process for preparing tert-alkyl ester from carboxylic acidSUMIKA FINE CHEMICALS CO LTD·Filed 2000·Granted Dec 25, 2001·2 cites·4 claims
- 3759US4328166AProduction of substituted phenylureaSUMITOMO CHEMICAL CO·Filed 1980·Granted May 4, 1982·4 cites·5 claims
- 3858US6649768B1Production methods of imidazole compound and salt thereof and intermediates thereforSUMIKA FINE CHEMICALS CO LTD·Filed 2002·Granted Nov 18, 2003·1 cites·4 claims
- 3957US3947519APreparation of optically active allethrorone via allethronyl acid phthalateSUMITOMO CHEMICAL CO·Filed 1974·Granted Mar 30, 1976·5 cites·9 claims
- 4051US5998652AProcess for preparing 2-cyanobiphenyl compoundSUMIKA FINE CHEMICALS CO LTD·Filed 1998·Granted Dec 7, 1999·4 cites·12 claims
- 4151US4008268AProcess for isomerization of a cyclopropanecarboxylic acidSUMITOMO CHEMICAL CO·Filed 1975·Granted Feb 15, 1977·4 cites·6 claims
- 4250US7632971B2Method of crystallization of bicalutamideSUMITOMO CHEMICAL CO·Filed 2005·Granted Dec 15, 2009·0 cites·10 claims
- 4350US4263219AProduction of substituted phenylureaSUMITOMO CHEMICAL CO·Filed 1979·Granted Apr 21, 1981·2 cites·9 claims
- 4449US8026081B2Method of producing optically active (S)-7-hydroxy-6-methylheptan-2-one and precursor thereofSUMITOMO CHEMICAL CO·Filed 2007·Granted Sep 27, 2011·0 cites·13 claims
- 4549US7038075B2Production method of racemic 3-hydroxy-3-(2-phenylethyl)hexanoic acid C1-6 alkyl esterSUMITOMO CHEMICAL CO·Filed 2003·Granted May 2, 2006·0 cites·6 claims
- 4647US6683207B2Production method of (R)-3 hydroxy-3-(2-phenylethyl) hexanoic acid and intermediate thereofSUMIKA FINE CHEMICALS CO LTD·Filed 2002·Granted Jan 27, 2004·0 cites·18 claims
- 4747US6242608B12-phenylpyridine derivative and production method thereofSUMIKA FINE CHEMICALS CO LTD·Filed 2000·Granted Jun 5, 2001·0 cites·2 claims
- 4847US2009275749A1Production method of optically active piperazine compoundMAEDA HIROSHI·Filed 2006·Application pending·0 cites
- 4946US6268503B12-phenylpyridine derivative and production method thereofSUMIKA FINE CHEMICALS CO LTD·Filed 2000·Granted Jul 31, 2001·0 cites·5 claims
- 5045US6147218A2-phenylpyridine derivative and production method thereofSUMIKA FINE CHEMICALS CO LTD·Filed 1999·Granted Nov 14, 2000·2 cites·4 claims
Showing the top 50 of 62 patent records by PatentIndex Score.
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