Inventor · disambiguated record
Katsumi Ochiai
Also filed as: OCHIAI KATSUMI
60 granted patents·3 pending applications·733 citations·filing 1987–2017
99Inventor score
Top patents by PatentIndex Score
63 records- 0199US9587601B1Outboard motor and watercraftYAMAHA MOTOR CO LTD·Filed 2015·Granted Mar 7, 2017·27 cites·13 claims
- 0296US8298026B2Outboard motorOCHIAI KATSUMI·Filed 2010·Granted Oct 30, 2012·17 cites·11 claims
- 0395US10150548B2Outboard motor and marine vesselYAMAHA MOTOR CO LTD·Filed 2017·Granted Dec 11, 2018·7 cites·16 claims
- 0495US7867048B2Outboard motorYAMAHA MOTOR CO LTD·Filed 2009·Granted Jan 11, 2011·26 cites·13 claims
- 0594US8011985B2Outboard motorYAMAHA MOTOR CO LTD·Filed 2010·Granted Sep 6, 2011·10 cites·10 claims
- 0694US5440260AVariable delay circuitADVANTEST CORP·Filed 1994·Granted Aug 8, 1995·117 cites·2 claims
- 0793US9120549B2Engine, outboard motor, and watercraftYAMAHA MOTOR CO LTD·Filed 2014·Granted Sep 1, 2015·11 cites·16 claims
- 0892US8444447B2Outboard motorOCHIAI KATSUMI·Filed 2012·Granted May 21, 2013·9 cites·15 claims
- 0991US8801482B2Engine, outboard motor, and watercraftOCHIAI KATSUMI·Filed 2012·Granted Aug 12, 2014·10 cites·16 claims
- 1091US8118631B2Outboard motorOCHIAI KATSUMI·Filed 2010·Granted Feb 21, 2012·8 cites·13 claims
- 1189US9296458B2Outboard motorYAMAHA MOTOR CO LTD·Filed 2014·Granted Mar 29, 2016·9 cites·4 claims
- 1289US8858283B2Engine, outboard motor, and watercraftOCHIAI KATSUMI·Filed 2012·Granted Oct 14, 2014·9 cites·10 claims
- 1389US7216614B2Fuel supply device for outboard deviceYAMAHA MARINE KK·Filed 2005·Granted May 15, 2007·19 cites·13 claims
- 1487US8002597B2Outboard motorYAMAHA MOTOR CO LTD·Filed 2009·Granted Aug 23, 2011·16 cites·10 claims
- 1587US5983843AInjector cooling for direct injected engineYAMAHA MOTOR CO LTD·Filed 1998·Granted Nov 16, 1999·44 cites·25 claims
- 1684US8978372B2V-type engine, outboard motor, and vessleYAMAHA MOTOR CO LTD·Filed 2013·Granted Mar 17, 2015·7 cites·13 claims
- 1783US7394238B2High frequency delay circuit and test apparatusADVANTEST CORP·Filed 2005·Granted Jul 1, 2008·9 cites·7 claims
- 1881US7401598B2Outboard motor with forward air intake and air-cooled fuel pumpYAMAHA MARINE KK·Filed 2005·Granted Jul 22, 2008·12 cites·14 claims
- 1980US9394018B2Vehicle body structure and method for assembling vehicle body structureKISAKU Masanori·Filed 2012·Granted Jul 19, 2016·15 cites·10 claims
- 2080US7185630B2Air intake device for engineYAMAHA MARINE KK·Filed 2003·Granted Mar 6, 2007·23 cites·12 claims
- 2178US10465641B1Outboard motor and watercraftYAMAHA MOTOR CO LTD·Filed 2015·Granted Nov 5, 2019·2 cites·16 claims
- 2278US9926831B1Outboard motor unit and marine vesselYAMAHA MOTOR CO LTD·Filed 2017·Granted Mar 27, 2018·1 cites·20 claims
- 2375US8469754B1Outboard motorMAEKAWA SHINYA·Filed 2011·Granted Jun 25, 2013·5 cites·9 claims
- 2475US7524223B2Outboard motorYAMAHA MOTOR CO LTD·Filed 2006·Granted Apr 28, 2009·9 cites·22 claims
- 2575US7524222B2Remote control system for marine driveYAMAHA MOTOR CO LTD·Filed 2004·Granted Apr 28, 2009·15 cites·18 claims
- 2674US8814619B2Outboard motor and method for manufacturing outboard motorMAEKAWA SHINYA·Filed 2012·Granted Aug 26, 2014·3 cites·14 claims
- 2774US8535106B2Retaining structure for honeycomb structure and marine propulsion deviceNAKAYAMA KOICHI·Filed 2011·Granted Sep 17, 2013·2 cites·7 claims
- 2872US8944870B1Outboard motorYAMAHA MOTOR CO LTD·Filed 2013·Granted Feb 3, 2015·3 cites·25 claims
- 2972US6752114B2Four-cycle engine for outboard motorYAMAHA MARINE KK·Filed 2002·Granted Jun 22, 2004·16 cites·27 claims
- 3071US6058057ATiming generator for semiconductor test systemADVANTEST CORP·Filed 1999·Granted May 2, 2000·43 cites·20 claims
- 3171US5495197AVariable delay circuitADVANTEST CORP·Filed 1995·Granted Feb 27, 1996·23 cites·2 claims
- 3269US8764501B1Outboard motorYAMAHA MOTOR CO LTD·Filed 2012·Granted Jul 1, 2014·2 cites·9 claims
- 3369US6905382B2Shift device for marine transmissionYAMAHA MARINE KK·Filed 2003·Granted Jun 14, 2005·11 cites·28 claims
- 3468US9062587B2Exhaust pipe connecting structureNAKAYAMA KOICHI·Filed 2012·Granted Jun 23, 2015·2 cites·13 claims
- 3568US8790146B2Outboard motorSARUWATARI KIMITAKA·Filed 2012·Granted Jul 29, 2014·2 cites·5 claims
- 3667US5924396AEngine valve actuating systemYAMAHA MOTOR CO LTD·Filed 1997·Granted Jul 20, 1999·21 cites·26 claims
- 3766US8585452B1Marine propulsion deviceMAEKAWA SHINYA·Filed 2011·Granted Nov 19, 2013·2 cites·21 claims
- 3866US6253729B1Induction control for direct injected engineYAMAHA MOTOR CO LTD·Filed 1998·Granted Jul 3, 2001·22 cites·21 claims
- 3965US9260171B2Vessel propulsion apparatus and vesselYAMAHA MOTOR CO LTD·Filed 2013·Granted Feb 16, 2016·3 cites·13 claims
- 4065US8795013B1Outboard motorNAKAYAMA KOICHI·Filed 2011·Granted Aug 5, 2014·2 cites·13 claims
- 4164US5764093AVariable delay circuitADVANTEST CORP·Filed 1997·Granted Jun 9, 1998·21 cites·7 claims
- 4262US8216010B2Outboard motorOCHIAI KATSUMI·Filed 2010·Granted Jul 10, 2012·1 cites·8 claims
- 4361US9260172B2Outboard motor and vesselYAMAHA MOTOR CO LTD·Filed 2013·Granted Feb 16, 2016·1 cites·17 claims
- 4460US8753158B2Retaining structure for honeycomb structure and marine propulsion deviceYAMAHA MOTOR CO LTD·Filed 2013·Granted Jun 17, 2014·0 cites·10 claims
- 4560US6374392B1Semiconductor test systemADVANTEST CORP·Filed 1999·Granted Apr 16, 2002·25 cites·9 claims
- 4659US9828079B2Outboard motor and vesselYAMAHA MOTOR CO LTD·Filed 2016·Granted Nov 28, 2017·0 cites·13 claims
- 4757US5204564AVariable delay circuitADVANTEST CORP·Filed 1992·Granted Apr 20, 1993·18 cites·6 claims
- 4857US4841789ADrive system for driving valves and an auxiliary machine of an automotive engineFUJI JIKOGYO KABUSHIKI KAISHA·Filed 1988·Granted Jun 27, 1989·15 cites·11 claims
- 4956US10385768B2Outboard motor unit and marine vessel including plurality of engines and shared superchargerYAMAHA MOTOR CO LTD·Filed 2017·Granted Aug 20, 2019·0 cites·20 claims
- 5056US8986059B1Marine propulsion deviceYAMAHA MOTOR CO LTD·Filed 2013·Granted Mar 24, 2015·0 cites·10 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →