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Inventor

Hitoshi Okuyama

Inventor
Saitama, JP

Overview

8→
Patents
1984–2000
Patent span
Electricity
Primary field (CPC H)

Patents· 8 as inventor

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

F02Mprimary
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof16%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles11%
H01CResistors11%
H01HElectric switches11%
H05KPrinted circuits11%
F02BInternal-combustion piston engines5%
F04BPositive-displacement machines for liquids5%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
G06FElectric digital data processing5%
PatentTitleYear
6,135,093'Plunger pump'20006,028,985'Output method and apparatus'20005,785,257'Swirl type fuel injection valve'19985,613,640'Fuel injection valve'19975,429,805'Non-dispersive infrared gas analyzer including gas-filled radiation source'19955,192,940'Flat resistance for blower control unit for automobile air conditioner and blower control unit using the same'19935,000,662'Flat resistance for blower control unit of automobile air conditioner'19914,472,693'Noise filter and terminal structure therefor'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1993Patents assigned to CALSONIC CORP (2)· patent assignee history
1991–1993Patents assigned to FUJIKURA LTD (2)· patent assignee history
1991–1993Based in Funabashi, JP· patent location history
1995Patents assigned to FUJI ELECTRIC CO LTD (1)· patent assignee history
1995Based in Tokyo, JP· patent location history
1997–2000Patents assigned to ZEXEL CORP (3)· patent assignee history
1997–1998Based in Saitama, JP· patent location history
2000Patents assigned to CANON KK (1)· patent assignee history
2000Based in Higashimatsuyama, JP· patent location history
2000Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ZEXEL CORP31997–2000
CALSONIC CORP21991–1993
FUJIKURA LTD21991–1993
CANON KK12000
FUJI ELECTRIC CO LTD11995
Locations
LocationPatentsSpan
Saitama, JP21997–1998
Funabashi, JP21991–1993
Higashimatsuyama, JP12000
Yokohama, JP12000
Tokyo, JP11995