Inventor · disambiguated record
Takehiro Sonoi
Also filed as: SONOI TAKEHIRO
18 granted patents·2 pending applications·140 citations·filing 1988–2014
93Inventor score
Top patents by PatentIndex Score
20 records- 0188US4833212AFluorine-containing elastomer compositionNIPPON MEKTRON KK·Filed 1988·Granted May 23, 1989·38 cites·8 claims
- 0278US5824749AFluorine-containing elastomer compositionNIPPON MEKTRON KK·Filed 1996·Granted Oct 20, 1998·34 cites·5 claims
- 0377US4885398AProcess for producing hexafluoroacetone or its hydrateNIPPON MEKTRON KK·Filed 1988·Granted Dec 5, 1989·12 cites·4 claims
- 0471US5756814AVinyl compound, its synthetic intermediates and processes for producing the sameNIPPON MEKTRON KK·Filed 1997·Granted May 26, 1998·16 cites·8 claims
- 0568US5688872ABisaminothiophenol compound, process for producing the same and curing agent for fluorine-containing elastomer comprising the sameNIPPON MEKTRON KK·Filed 1996·Granted Nov 18, 1997·11 cites·3 claims
- 0661US5672758ABisaminothiophenol compound, process for producing the same and curing agent for fluorine-containing elastomer comprising the sameNIPPON MEKTRON KK·Filed 1995·Granted Sep 30, 1997·7 cites·5 claims
- 0760US4960947AProcess for producing hexafluoroacetone or its hydrateNIPPON MEKTRON KK·Filed 1989·Granted Oct 2, 1990·5 cites·6 claims
- 0854US7737299B2Process for producing 2,2,3,3,-tetrafluorooxetaneUNIMATEC CO LTD·Filed 2005·Granted Jun 15, 2010·0 cites·8 claims
- 0950US9587039B2Fluorinated-containing macroinitiator and production process for the sameUNIMATEC CO LTD·Filed 2014·Granted Mar 7, 2017·0 cites·7 claims
- 1049US10196473B2Fluorine-containing diblock copolymerUNIMATEC CO LTD·Filed 2014·Granted Feb 5, 2019·0 cites·3 claims
- 1149US5446081AComposition for low hardness, fluorine-containing rubberNIPPON MEKTRON KK·Filed 1993·Granted Aug 29, 1995·9 cites·5 claims
- 1245US7772443B2Iodine-containing fluoropolyether and process for producing the sameUNIMATEC CO LTD·Filed 2006·Granted Aug 10, 2010·0 cites·5 claims
- 1343US7566806B2Alkylamino group-terminated fluoroether and process for producing the sameUNIMATE CO LTD·Filed 2006·Granted Jul 28, 2009·0 cites·5 claims
- 1443US5808132Aα,α-bis(trifluoromethyl)arylacetic acid ester; its intermediates for synthesis; and process for producing the sameNIPPON MEKTRON KK·Filed 1996·Granted Sep 15, 1998·3 cites·7 claims
- 1543US2009171127A1Fluorine-Containing Ether Alcohol and Process For Producing The SameUNIMATEC CO LTD·Filed 2007·Application pending·0 cites
- 1641US4929686AFluorine-containing elastomer compositionNIPPON MEKTRON KK·Filed 1989·Granted May 29, 1990·5 cites·19 claims
- 1732US2008090977A1Fluorine-Containing Vinyl Ether Compound And Process For Producing The SameKOKIN KEISUKE·Filed 2005·Application pending·0 cites
- 1827US5998564AProcess for producing bisthiophenolperfluoroalkylidene compoundNIPPON MEKTRON KK·Filed 1999·Granted Dec 7, 1999·0 cites·2 claims
- 1927US5672742AProcess for producing α-(trifluoromethyl)arylacetic acidNIPPON MEKTRON KK·Filed 1996·Granted Sep 30, 1997·0 cites·5 claims
- 2026US5891964ACrosslinkable composition of fluoroelastomer and bisthiophenolperfluoroalkylideneNIPPON MEKTRON KK·Filed 1996·Granted Apr 6, 1999·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →