Inventor · disambiguated record
Yutaka Ohnishi
Also filed as: OHNISHI YUTAKA
14 granted patents·94 citations·filing 1982–2023
90Inventor score
Files withSHOWA DENKO KK5SHIN NISSO KAKO CO LTD3DENSO CORP2TACHIKAWA SPRING CO2KUROSAKI REFRACTORIES CO1
Top patents by PatentIndex Score
14 records- 0176US6624336B1Process for producing tetrafluorobenzenemethanolsSHOWA DENKO KK·Filed 2000·Granted Sep 23, 2003·9 cites·17 claims
- 0275US4472201AHydraulic heat-resisting material and premold product made of such hydraulic heat-resisting materialKUROSAKI REFRACTORIES CO·Filed 1982·Granted Sep 18, 1984·27 cites·2 claims
- 0371US6245935B1Method for producing isocyanatoalkyl (meth)acrylateSHOWA DENKO KK·Filed 1999·Granted Jun 12, 2001·16 cites·8 claims
- 0465US12360405B2Optical semiconductor deviceDENSO CORP·Filed 2022·Granted Jul 15, 2025·0 cites·17 claims
- 0560US12149053B2Semiconductor deviceDENSO CORP·Filed 2023·Granted Nov 19, 2024·0 cites·6 claims
- 0653US6720458B2Photooxidation catalyst and production process for aldehyde derivativesSHOWA DENKO KK·Filed 2002·Granted Apr 13, 2004·2 cites·7 claims
- 0743US5338098ASeat back of an automotive seatTACHI S CO·Filed 1993·Granted Aug 16, 1994·21 cites·8 claims
- 0838US7227036B2Production process of aminomethyl group-containing benzamide compoundSHOWA DENKO KK·Filed 2003·Granted Jun 5, 2007·0 cites·3 claims
- 0938US4826806AFluoran compounds and color forming recording materials using sameSHIN NISSO KAKO CO LTD·Filed 1987·Granted May 2, 1989·3 cites·10 claims
- 1038US4550872AFillet-welding equipment for pipe materialsTACHIKAWA SPRING CO·Filed 1983·Granted Nov 5, 1985·5 cites·4 claims
- 1137US4576323AFillet-welding equipment for pipe materialsTACHIKAWA SPRING CO·Filed 1983·Granted Mar 18, 1986·5 cites·2 claims
- 1232US4954631AFluoran compounds and color forming recording materials using sameSHIN NISSO KAKO CO LTD·Filed 1989·Granted Sep 4, 1990·4 cites·13 claims
- 1330US5350775ABenzopyran derivative, method for producing the same and use thereofSHOWA DENKO KK·Filed 1993·Granted Sep 27, 1994·2 cites·7 claims
- 1427US4794069ASpirobenzanthracene phthalide compounds, processes for preparing same and color forming recording materials containing said compoundsSHIN NISSO KAKO CO LTD·Filed 1987·Granted Dec 27, 1988·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →