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Inventor

Yasuo Okada

Inventor
Akashi, JP

Overview

22→
Patents
1976–2012
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 22 as inventor

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

B63Hprimary
B63HMarine propulsion or steering16%
B63BShips or other waterborne vessels12%
F01PCooling of machines or engines in general10%
F02BInternal-combustion piston engines8%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h108%
F01MLubricating of machines or engines in general6%
H10DInorganic electric semiconductor devices6%
Y02TClimate change mitigation technologies related to transportation6%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general4%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof4%
PatentTitleYear
8,298,987'Heat-sensitive recording materials'20128,014,223'Semiconductor device'20117,980,906'Personal watercraft'20117,952,183'High capacity memory with stacked layers'20117,632,162'Personal watercraft with engine having exhaust collecting system'20097,094,078'Device with Universal Serial Bus (USB) connector'20067,017,532'Engine and personal watercraft'20066,988,919'Oil cooler and small watercraft'20066,984,855'Manufacturing method of semiconductor device and semiconductor device'20066,955,573'Small watercraft'20056,916,216'Small watercraft'20056,913,962'Manufacturing method of semiconductor device and semiconductor device'20056,892,716'Oil separator for engine, and personal watercraft'20056,881,109'Jet-propulsion watercraft'20056,855,022'Personal watercraft'20056,684,800'Personal watercraft'20046,685,517'Personal watercraft'20046,659,820'Jet-propulsion watercraft'20036,521,679'Polyester aqueous dispersion and method for preparation thereof'20036,112,685'Deck structure for personal watercraft'20005,370,958'Electrophotographic toner and production process thereof'19943,939,897'Method for producing heat-insulating casting'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2006Based in Kanagawa, JP· patent location history
2000–2011Patents assigned to KAWASAKI HEAVY IND LTD (13)· patent assignee history
2000–2011Based in Akashi, JP· patent location history
2003–2012Patents assigned to MITSUI CHEMICALS INC (2)· patent assignee history
2004Based in Hyogo, JP· patent location history
2005–2011Patents assigned to TOSHIBA KK (5)· patent assignee history
2011Based in Yokohama, JP· patent location history
2012Patents assigned to ETOH AKINORI (1)· patent assignee history
2012Patents assigned to ISHIZUKA TOMOKAZU (1)· patent assignee history
2012Based in Ichihara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KAWASAKI HEAVY IND LTD132000–2011
TOSHIBA KK52005–2011
MITSUI CHEMICALS INC22003–2012
ETOH AKINORI12012
ISHIZUKA TOMOKAZU12012
Locations
LocationPatentsSpan
Akashi, JP102000–2011
Kanagawa, JP41994–2006
Yokohama, JP22011
Hyogo, JP22004
Ichihara, JP12012