Inventor · disambiguated record
Katsuhiro Ishikawa
Also filed as: ISHIKAWA KATSUHIRO
15 granted patents·284 citations·filing 1990–2019
93Inventor score
Files withTRINITY IND CORP5KURITA WATER IND LTD3JAPAN SYNTHETIC RUBBER CO LTD2TOYOTA MOTOR CO LTD2DENSO CORP1
Top patents by PatentIndex Score
15 records- 0194US6440856B1Cleaning agent for semiconductor parts and method for cleaning semiconductor partsJSR CORP·Filed 2000·Granted Aug 27, 2002·127 cites·18 claims
- 0288US11041575B2Magnetically latched pneumatic valveTRINITY IND CORP·Filed 2019·Granted Jun 22, 2021·7 cites·12 claims
- 0376US6896399B2Coating material feeding apparatus and valve unitTRINITY IND CORP·Filed 2003·Granted May 24, 2005·24 cites·19 claims
- 0472US11885431B2Valve module, valve device, valve systemTRINITY IND CORP·Filed 2019·Granted Jan 30, 2024·2 cites·12 claims
- 0570US5935399AAir-fuel ratio sensorDENSO CORP·Filed 1997·Granted Aug 10, 1999·35 cites·30 claims
- 0665US6001264AWater-treating agent and method for treating waterKURITA WATER IND LTD·Filed 1998·Granted Dec 14, 1999·21 cites·7 claims
- 0764US5182343AHomopolymers of sulfonated isoprene and 1,3-butadiene and agents containing the sameJAPAN SYNTHETIC RUBBER CO LTD·Filed 1990·Granted Jan 26, 1993·17 cites·7 claims
- 0860US6544588B2Surface decorated article and decoration method thereofTRINITY IND CORP·Filed 2001·Granted Apr 8, 2003·11 cites·11 claims
- 0951US7377451B2Jet dispersing deviceTRINITY IND CORP·Filed 2004·Granted May 27, 2008·1 cites·10 claims
- 1048US10960419B2Coating deviceTOYOTA MOTOR CO LTD·Filed 2018·Granted Mar 30, 2021·0 cites·9 claims
- 1145US10017858B2Coating material filling and discharging deviceTOYOTA MOTOR CO LTD·Filed 2017·Granted Jul 10, 2018·0 cites·8 claims
- 1244US6656365B2Process for preventing formation of scaleKURITA WATER IND LTD·Filed 2001·Granted Dec 2, 2003·2 cites·19 claims
- 1344US5716529AWater-treating agent and method for treating waterKURITA WATER IND LTD·Filed 1996·Granted Feb 10, 1998·14 cites·8 claims
- 1444US5164068AOxygen sensorNIPPON DENSO CO·Filed 1990·Granted Nov 17, 1992·12 cites·8 claims
- 1543US5350820AButadienesulfonic acid or isoprenesulfonic acid copolymerJAPAN SYNTHETIC RUBBER CO LTD·Filed 1992·Granted Sep 27, 1994·11 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →