Inventor · disambiguated record
Katsufumi Abe
Also filed as: ABE KATSUFUMI
28 granted patents·6 pending applications·158 citations·filing 2001–2014
96Inventor score
Top patents by PatentIndex Score
34 records- 0194US9512881B2Roller bearing and shaft support structureNTN TOYO BEARING CO LTD·Filed 2013·Granted Dec 6, 2016·15 cites·9 claims
- 0290US6513987B2Caged roller assembly and reduction gear unit using the sameNTN TOYO BEARING CO LTD·Filed 2001·Granted Feb 4, 2003·30 cites·14 claims
- 0388US6857785B2Caged roller assembly and reduction gear unit using the sameNTN TOYO BEARING CO LTD·Filed 2002·Granted Feb 22, 2005·26 cites·12 claims
- 0485US9429216B2Chain guide and chain tensioner deviceKATO AKIO·Filed 2012·Granted Aug 30, 2016·7 cites·21 claims
- 0584US8968139B2Reduction differential gear apparatus for electric vehicleFUKAMI RINO·Filed 2012·Granted Mar 3, 2015·8 cites·9 claims
- 0684US7896557B2Needle roller bearingNTN TOYO BEARING CO LTD·Filed 2006·Granted Mar 1, 2011·9 cites·25 claims
- 0778US8448430B2Thrust roller bearing and torque converterFUKAMI RINO·Filed 2007·Granted May 28, 2013·9 cites·10 claims
- 0877US9163659B2Caged roller bearing, caged roller bearing assembly, and cageSATO MASANORI·Filed 2010·Granted Oct 20, 2015·4 cites·13 claims
- 0977US8132550B2Roller bearing, camshaft support structure, and internal combustion engineOISHI SHINJI·Filed 2007·Granted Mar 13, 2012·6 cites·22 claims
- 1076US8100027B2GearSATO MASANORI·Filed 2008·Granted Jan 24, 2012·6 cites·18 claims
- 1170US7021260B2Rocker armNTN TOYO BEARING CO LTD·Filed 2005·Granted Apr 4, 2006·3 cites·10 claims
- 1267US9032926B2Timing chain drive deviceKATO AKIO·Filed 2012·Granted May 19, 2015·2 cites·5 claims
- 1367US8220423B2Roller bearing, camshaft support structure, and internal combustion engineABE KATSUFUMI·Filed 2007·Granted Jul 17, 2012·4 cites·8 claims
- 1466US6807932B2Rocker armNTN TOYO BEARING CO LTD·Filed 2002·Granted Oct 26, 2004·7 cites·1 claims
- 1564US8393800B2Needle roller bearing and crankshaft support structureABE KATSUFUMI·Filed 2008·Granted Mar 12, 2013·3 cites·9 claims
- 1663US8418670B2Roller bearing, cam shaft support structure, internal combustion engine and incorporation method of roller bearingABE KATSUFUMI·Filed 2007·Granted Apr 16, 2013·3 cites·32 claims
- 1762US7258091B2Rocker armNTN TOYO BEARING CO LTD·Filed 2006·Granted Aug 21, 2007·2 cites·2 claims
- 1858US8834035B2Roller bearing retainer and needle roller bearingOISHI SHINJI·Filed 2008·Granted Sep 16, 2014·1 cites·17 claims
- 1957US10132346B2Halved outer ring, roller bearing, and rotary support structureOISHI SHINJI·Filed 2010·Granted Nov 20, 2018·1 cites·11 claims
- 2057US8136420B2Gear and gear drive unitSATOU MASANORI·Filed 2006·Granted Mar 20, 2012·3 cites·6 claims
- 2156US9500269B2Cam follower for rocker arm and cam follower deviceNTN TOYO BEARING CO LTD·Filed 2014·Granted Nov 22, 2016·0 cites·5 claims
- 2254US2011132304A1Cam follower for rocker arm and cam follower deviceNTN TOYO BEARING CO LTD·Filed 2009·Application pending·0 cites
- 2352US6863040B2Rocker armNTN TOYO BEARING CO LTD·Filed 2003·Granted Mar 8, 2005·5 cites·8 claims
- 2449US2010278472A1Roller bearing retainer, needle roller bearing, and production method of roller bearing retainerOISHI SHINJI·Filed 2008·Application pending·0 cites
- 2548US9562593B2Chain guide and chain drive apparatusOISHI SHINJI·Filed 2012·Granted Feb 7, 2017·0 cites·13 claims
- 2647US7617677B2Stator unit for a torque converterNTN TOYO BEARING CO LTD·Filed 2007·Granted Nov 17, 2009·0 cites·14 claims
- 2747US6981479B2Rocker armNTN TOYO BEARING CO LTD·Filed 2004·Granted Jan 3, 2006·2 cites·3 claims
- 2846US2011088506A1Pump tappetNTN TOYO BEARING CO LTD·Filed 2009·Application pending·0 cites
- 2945US8024989B2Gear and gear drive unitNTN TOYO BEARING CO LTD·Filed 2006·Granted Sep 27, 2011·0 cites·16 claims
- 3045US7896556B2Needle roller bearingNTN TOYO BEARING CO LTD·Filed 2006·Granted Mar 1, 2011·0 cites·9 claims
- 3145US7011061B2Rocker armNTN TOYO BEARING CO LTD·Filed 2003·Granted Mar 14, 2006·2 cites·3 claims
- 3244US2009123104A1Needle Roller BearingABE KATSUFUMI·Filed 2006·Application pending·0 cites
- 3341US2007116393A1Needle roller bearing, crank shaft supporting structure, and split method of outer ring of needle roller bearingOISHI SHINJI·Filed 2006·Application pending·0 cites
- 3440US2013324339A1Chain guide and chain tensioner deviceKATO AKIO·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →