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Inventor

Ryoichi Nakase

Inventor
Hamamatsu, JP

Overview

62→
Patents
1985–2008
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 62 as inventor

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

B63Hprimary
B63HMarine propulsion or steering22%
F02BInternal-combustion piston engines19%
B63BShips or other waterborne vessels14%
Y02TClimate change mitigation technologies related to transportation12%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general11%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof7%
F01PCooling of machines or engines in general5%
F02DControlling combustion engines4%
F01MLubricating of machines or engines in general3%
F02FCylinders, pistons or casings, for combustion engines2%
PatentTitleYear
7,381,106'Watercraft steering assist system'20087,118,431'Watercraft steering assist system'20066,565,399'Watercraft catalytic exhaust system'20036,478,644'Exhaust pipe cooling system for watercraft'20026,425,789'Small watercraft'20026,371,819'Throttle position sensor mounting arrangement for personal watercraft engine'2002RE037631'Exhaust timing control for a planing-type boat'20026,279,546'Watercraft fuel supply system'20016,210,243'Fuel pump arrangement for watercraft'20016,200,178'Small watercraft'20016,138,632'Pump control for small watercraft'20006,120,335'Catalytic exhaust system for watercraft'20006,095,876'Engine component layout'20006,024,068'Watercraft engine control'20006,022,253'Injection system for small watercraft'20006,015,321'Fuel pump mounting arrangement for personal watercraft'20006,010,378'Watercraft catalytic exhaust system'20005,967,861'Throttle position sensor mounting arrangement for personal watercraft engine'19995,954,553'Watercraft with catalytic exhaust system'19995,954,555'Oil supply system for personal watercraft'19995,951,342'Oil supply system for personal watercraft'19995,931,712'Exhaust probe arrangement for small watercraft engine'19995,906,524'Throttle position sensor mounting arrangement for personal watercraft engine'19995,902,161'Air temperature sensor arrangement for a small watercraft'19995,902,158'Small watercraft'19995,853,308'Engine and exhaust system for watercraft'19985,830,022'Catalytic exhaust system for watercraft'19985,797,775'Engine control system for a watercraft'19985,788,547'Exhaust pipe cooling system for watercraft'19985,787,847'Oil supply system for a planing type boat'19985,782,214'Exhaust timing control for a planing-type boat'19985,732,672'Lubricant supply for internal combustion engine'19985,702,276'Watercraft catalytic exhaust system'19975,634,832'Induction system for four-cycle watercraft engine'19975,632,660'Watercraft catalytic exhaust system'19975,562,509'Watercraft catalytic exhaust system'19965,558,456'Drive bearing arrangements for watercraft'19965,558,549'Four cycle engine for watercraft'19965,531,620'Water-cooled exhaust system for watercraft'19965,531,619'Control device for marine propulsion unit engine'19965,524,597'Ignition system for watercraft'1996RE034844'Power tilt device'19955,372,526'Drive bearing lubricating device for water injection propulsion vessel'19945,366,397'Water jet propulsion unit'19945,251,439'Exhaust device for small sized boat engine'19935,154,650'Water jet propulsion unit'19925,067,448'Exhaust cooling device for small sized boat engine'19915,049,099'Power tilt device'19915,031,562'Marine steering apparatus'19914,997,399'Exhaust system for small vessel'19914,989,409'Exhaust device for small sized boat engine'19914,971,584'Water jet propelling vessel'19904,850,908'Drawing away device of bilge water for water jet propulsion'19894,813,898'Water jet propulsion'19894,811,560'Exhaust system for marine propulsion'19894,773,883'Motor for watercrafts'19884,765,075'Water propulsion unit of water jet propulsion craft'19884,744,322'Remote steering system for marine propulsion crafts'19884,702,714'Tilt mechanism for marine propulsion device'19874,583,953'Outboard motor'19864,565,528'Tilting mechanism for marine propulsion device'19864,557,460'Swivel bracket holding mechanism for marine propulsion device'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2003Patents assigned to SANSHIN KOGYO KK (37)· patent assignee history
1985–2003Based in Hamamatsu, JP· patent location history
1986–2008Patents assigned to YAMAHA MOTOR CO LTD (26)· patent assignee history
1989–2002Based in Shizuoka, JP· patent location history
1996Patents assigned to SANSHIN KOGYO KABUSHISKI KAISH (1)· patent assignee history
1998–2008Based in Iwata, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SANSHIN KOGYO KK371985–2003
YAMAHA MOTOR CO LTD261986–2008
SANSHIN KOGYO KABUSHISKI KAISH11996
Locations
LocationPatentsSpan
Hamamatsu, JP351985–2003
Iwata, JP181998–2008
Shizuoka, JP91989–2002