Inventor · disambiguated record
Katsumi Kurihara
Also filed as: KURIHARA KATSUMI
24 granted patents·7 pending applications·524 citations·filing 1979–2017
96Inventor score
Top patents by PatentIndex Score
31 records- 0196US5316282ASheet feeding and separating device for image forming equipmentRICOH KK·Filed 1993·Granted May 31, 1994·63 cites·2 claims
- 0295US5219154ASheet feeding and separating device for image forming equipmentRICOH KK·Filed 1991·Granted Jun 15, 1993·61 cites·4 claims
- 0394US5322269AApparatus for feeding sheets separately using an electrostatic separator and separating memberRICOH KK·Filed 1992·Granted Jun 21, 1994·62 cites·12 claims
- 0492US7287508B2Engine lubrication methodETG LTD·Filed 2006·Granted Oct 30, 2007·34 cites·16 claims
- 0592US6047678AMulti-position operator-carried four-cycle engineRYOBI NORTH AMERICA INC·Filed 1996·Granted Apr 11, 2000·54 cites·19 claims
- 0692US5950590AOperator carried power tool having a four-cycle engine and an engine lubrication methodRYOBI OUTDOOR PRODUCTS INC·Filed 1998·Granted Sep 14, 1999·41 cites·12 claims
- 0788US6227160B1Operator carried power tool having a four-cycle engine and engine lubrication methodMTD SOUTHWEST INC·Filed 1999·Granted May 8, 2001·30 cites·7 claims
- 0888US5405128ASheet feed device for an image forming apparatusRICOH KK·Filed 1993·Granted Apr 11, 1995·39 cites·11 claims
- 0983US6863043B2Multi-position, operator-carried, four-cycle engineMTD SOUTHWEST INC·Filed 2003·Granted Mar 8, 2005·17 cites·6 claims
- 1080US6622688B2Operator carried power tool having a four-cycle engine and an engine lubrication methodMTD SOUTHWEST INC·Filed 2001·Granted Sep 23, 2003·12 cites·7 claims
- 1179US6666184B2Multi-position, operator-carried, four-cycle engineMTD SOUTHWEST INC·Filed 2002·Granted Dec 23, 2003·14 cites·4 claims
- 1277US8701621B2Four-cycle engine, bush cutter and engine-driven tool having sameTAKEDA TAKESHI·Filed 2010·Granted Apr 22, 2014·4 cites·6 claims
- 1376US6363904B1Multi-position, operator-carried, four-cycle engineMTD SOUTHWEST INC·Filed 2000·Granted Apr 2, 2002·13 cites·6 claims
- 1474US8490597B2Vertical and horizontal engineKURIHARA KATSUMI·Filed 2011·Granted Jul 23, 2013·3 cites·10 claims
- 1574US5588408AEngine unitRYOBI LTD·Filed 1995·Granted Dec 31, 1996·28 cites·6 claims
- 1670US7624714B2Engine lubrication methodETG LTD·Filed 2007·Granted Dec 1, 2009·6 cites·25 claims
- 1767US5701855ACartridge fuel internal combustion engineRYOBI LTD·Filed 1996·Granted Dec 30, 1997·20 cites·20 claims
- 1865US8281758B2Engine lubrication methodKURIHARA KATSUMI·Filed 2009·Granted Oct 9, 2012·4 cites·28 claims
- 1957US9308942B2Cowl cover deviceNIHON PLAST CO LTD·Filed 2015·Granted Apr 12, 2016·1 cites·4 claims
- 2055US2014096738A1Engine Lubrication MethodETG LTD·Filed 2013·Application pending·0 cites
- 2152US8627809B2Engine lubrication methodKURIHARA KATSUMI·Filed 2012·Granted Jan 14, 2014·0 cites·6 claims
- 2245US2015000633A1Vertical and Horizontal EngineETG LTD·Filed 2013·Application pending·0 cites
- 2345US2015020760A1Four-cycle Internal Combustion EngineETG LTD·Filed 2014·Application pending·0 cites
- 2443US2013154273A1Engine GeneratorKURIHARA KATSUMI·Filed 2011·Application pending·0 cites
- 2541US2013074792A1Engine Lubrication MethodKURIHARA KATSUMI·Filed 2011·Application pending·0 cites
- 2641US2018086187A1Cowl top coverNIHON PLAST CO LTD·Filed 2017·Application pending·0 cites
- 2740US8490596B2Vertical and horizontal engineKURIHARA KATSUMI·Filed 2010·Granted Jul 23, 2013·0 cites·8 claims
- 2839US5596964AIntake and exhaust valves and intake port of internal combustion engineRYOBI LTD·Filed 1995·Granted Jan 28, 1997·7 cites·8 claims
- 2939US2004107938A1Operator carried power tool having a four-cycle engine and an engine lubrication methodFiled 2003·Application pending·0 cites
- 3025US5520343AEmpty vessel treatment vehiclesB S C CO LTD·Filed 1994·Granted May 28, 1996·8 cites·3 claims
- 3125US4246882ACombustion chamber for side-valve type internal-combustion engineMITSUBISHI HEAVY IND LTD·Filed 1979·Granted Jan 27, 1981·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →