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Inventor

Katsumi Ochiai

Inventor
Shizuoka, JP

Overview

59→
Patents
1988–2019
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 59 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B63Hprimary
B63HMarine propulsion or steering18%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general16%
F02BInternal-combustion piston engines16%
Y02TClimate change mitigation technologies related to transportation10%
F01PCooling of machines or engines in general6%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof6%
F02FCylinders, pistons or casings, for combustion engines4%
F01LCyclically operating valves for machines or engines4%
H03KPulse technique4%
G01RMeasuring electric variables3%
PatentTitleYear
10,465,641Outboard motor and watercraft201910,385,768Outboard motor unit and marine vessel including plurality of engines and shared supercharger201910,150,548Outboard motor and marine vessel20189,926,831'Outboard motor unit and marine vessel'20189,828,079Outboard motor and vessel20179,587,601'Outboard motor and watercraft'20179,394,018'Vehicle body structure and method for assembling vehicle body structure'20169,296,458'Outboard motor'20169,260,172'Outboard motor and vessel'20169,260,171'Vessel propulsion apparatus and vessel'20169,120,549'Engine, outboard motor, and watercraft'20159,062,587'Exhaust pipe connecting structure'20158,986,059'Marine propulsion device'20158,986,058'Outboard motor'20158,978,372'V-type engine, outboard motor, and vessle'20158,944,870'Outboard motor'20158,858,283'Engine, outboard motor, and watercraft'20148,814,619'Outboard motor and method for manufacturing outboard motor'20148,801,482'Engine, outboard motor, and watercraft'20148,795,013'Outboard motor'20148,790,146'Outboard motor'20148,764,501'Outboard motor'20148,753,158'Retaining structure for honeycomb structure and marine propulsion device'20148,585,452'Marine propulsion device'20138,535,106'Retaining structure for honeycomb structure and marine propulsion device'20138,469,754'Outboard motor'20138,444,447'Outboard motor'20138,298,026'Outboard motor'20128,216,010'Outboard motor'20128,118,631'Outboard motor'20128,011,985'Outboard motor'20118,002,597'Outboard motor'20117,867,048'Outboard motor'20117,524,223'Outboard motor'20097,524,222'Remote control system for marine drive'20097,401,598'Outboard motor with forward air intake and air-cooled fuel pump'20087,394,238'High frequency delay circuit and test apparatus'20087,216,614'Fuel supply device for outboard device'20077,216,281'Format control circuit and semiconductor test device'20077,185,630'Air intake device for engine'20077,118,435'Outboard motor'20066,905,382'Shift device for marine transmission'20056,840,038'Exhaust system for outboard motor'20056,752,114'Four-cycle engine for outboard motor'20046,532,927'Valve cam mechanism for four-cycle engine'20036,374,392'Semiconductor test system'20026,253,729'Induction control for direct injected engine'20016,058,057'Timing generator for semiconductor test system'20006,053,135'Variable valve timing mechanism'20006,053,145'Direct injected engine'20005,983,843'Injector cooling for direct injected engine'19995,924,396'Engine valve actuating system'19995,764,093'Variable delay circuit'19985,553,572'Multi-valve engine'19965,495,197'Variable delay circuit'19965,440,260'Variable delay circuit'19955,204,564'Variable delay circuit'19934,841,789'Drive system for driving valves and an auxiliary machine of an automotive engine'19894,744,342'Intake port structure for an internal combustion engine'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2008Patents assigned to ADVANTEST CORP (8)· patent assignee history
1995–2002Based in Gyoda, JP· patent location history
1996–2019Patents assigned to YAMAHA MOTOR CO LTD (40)· patent assignee history
1996–2001Based in Iwata, JP· patent location history
2003–2019Based in Shizuoka, JP· patent location history
2004–2008Patents assigned to YAMAHA MARINE KK (7)· patent assignee history
2005–2009Based in Hamamatsu, JP· patent location history
2007–2008Based in Tokyo, JP· patent location history
2012–2016Patents assigned to OCHIAI KATSUMI (15)· patent assignee history
2013–2015Patents assigned to SUZUKI TOSHIO (10)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YAMAHA MOTOR CO LTD401996–2019
OCHIAI KATSUMIself152012–2016
SUZUKI TOSHIO102013–2015
ADVANTEST CORP81993–2008
YAMAHA MARINE KK72004–2008
Locations
LocationPatentsSpan
Shizuoka, JP382003–2019
Iwata, JP61996–2001
Gyoda, JP51995–2002
Hamamatsu, JP32005–2009
Tokyo, JP22007–2008