Inventor · disambiguated record
Takao Ishiwatari
Also filed as: ISHIWATARI TAKAO
26 granted patents·308 citations·filing 1990–1999
96Inventor score
Files withSUMITOMO CHEMICAL CO26
Top patents by PatentIndex Score
26 records- 0195US5122530A1-pyridylimidazole derivative and its useSUMITOMO CHEMICAL CO·Filed 1991·Granted Jun 16, 1992·64 cites·14 claims
- 0289US6327813B1Insect controllerSUMITOMO CHEMICAL CO·Filed 1997·Granted Dec 11, 2001·47 cites·7 claims
- 0387US5180732A4-tert.-butyl imidazole derivative and useSUMITOMO CHEMICAL CO·Filed 1991·Granted Jan 19, 1993·33 cites·11 claims
- 0486US5252590A1-pyridylimidazole derivativeSUMITOMO CHEMICAL CO·Filed 1992·Granted Oct 12, 1993·29 cites·9 claims
- 0584US5925371AArthropod repellent and method for repelling arthropodsSUMITOMO CHEMICAL CO·Filed 1997·Granted Jul 20, 1999·33 cites·6 claims
- 0681US5698209AArthropod repellent compositionSUMITOMO CHEMICAL CO·Filed 1995·Granted Dec 16, 1997·32 cites·19 claims
- 0764US5055491ACarboxylic acid esters, methods for producing them and insecticides and/or acaricides containing them as an active ingredientSUMITOMO CHEMICAL CO·Filed 1990·Granted Oct 8, 1991·8 cites·14 claims
- 0855US6169081B1Pesticidal deviceSUMITOMO CHEMICAL CO·Filed 1998·Granted Jan 2, 2001·7 cites·9 claims
- 0954US5866152AShampoo compositionSUMITOMO CHEMICAL CO·Filed 1996·Granted Feb 2, 1999·16 cites·15 claims
- 1051US5405989APropargyl ester compounds, acaricides containing the same as an active ingredient and an acaricidal methodSUMITOMO CHEMICAL CO·Filed 1993·Granted Apr 11, 1995·4 cites·8 claims
- 1150US6051606APesticidal compositionSUMITOMO CHEMICAL CO·Filed 1999·Granted Apr 18, 2000·5 cites·10 claims
- 1250US5554649AControlling agent for fabric pest insectsSUMITOMO CHEMICAL CO·Filed 1994·Granted Sep 10, 1996·5 cites·16 claims
- 1345US5550258AEster compound, active agent for controlling noxious insect pests containing the same as active ingredient, intermediate for production of the ester compound, and process for producing the intermediateSUMITOMO CHEMICAL CO·Filed 1994·Granted Aug 27, 1996·2 cites·15 claims
- 1444US5672779AEster compound, active agent for controlling noxious insect pests containing the same as active ingredient, intermediate for production of the ester compound and process for producing the intermediateSUMITOMO CHEMICAL CO·Filed 1996·Granted Sep 30, 1997·2 cites·6 claims
- 1543US5124341AOxadiazolinone derivative and its production and useSUMITOMO CHEMICAL CO·Filed 1990·Granted Jun 23, 1992·3 cites·10 claims
- 1641US6123955ACockroach repellentSUMITOMO CHEMICAL CO·Filed 1998·Granted Sep 26, 2000·2 cites·4 claims
- 1741US5153215A1-phenylimidazole derivative and its useSUMITOMO CHEMICAL CO·Filed 1991·Granted Oct 6, 1992·1 cites·24 claims
- 1839US5653990AEster compound, agent for controlling noxious organisms containing the same as active ingredient, and production intermediate thereofSUMITOMO CHEMICAL CO·Filed 1995·Granted Aug 5, 1997·2 cites·7 claims
- 1938US5607963AMaleimide pesticides and compositions thereofSUMITOMO CHEMICAL CO·Filed 1995·Granted Mar 4, 1997·2 cites·10 claims
- 2036US6423745B1Pyrethroid compound and composition for controlling pest containing the same as an active ingredientSUMITOMO CHEMICAL CO·Filed 1999·Granted Jul 23, 2002·2 cites·2 claims
- 2135US6562359B2Pest repellentSUMITOMO CHEMICAL CO·Filed 1998·Granted May 13, 2003·3 cites·6 claims
- 2234US6024973AFabric protectantSUMITOMO CHEMICAL CO·Filed 1998·Granted Feb 15, 2000·2 cites·17 claims
- 2334US5972983APest repellentSUMITOMO CHEMICAL CO·Filed 1998·Granted Oct 26, 1999·2 cites·3 claims
- 2432US5817880AIntermediate alcohol compoundSUMITOMO CHEMICAL CO·Filed 1997·Granted Oct 6, 1998·0 cites·9 claims
- 2531US6013669APest repellent compositionsSUMITOMO CHEMICAL CO·Filed 1999·Granted Jan 11, 2000·1 cites·2 claims
- 2630US5502242APropiolate ester compound an acaricide containing the same as an active ingredient and an acaricidal methodSUMITOMO CHEMICAL CO·Filed 1994·Granted Mar 26, 1996·1 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →