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Inventor

Yuichi Fujiwara

Inventor
Anan-shi, JP

Overview

7→
Patents
1997–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

H10Hprimary
H10HInorganic light-emitting semiconductor devices having potential barriers25%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1025%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests25%
B41CProcesses for the manufacture or reproduction of printing surfaces6%
F04BPositive-displacement machines for liquids6%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids6%
G11CStatic stores6%
PatentTitleYear
10,788,039Oil-cooled screw compressor and control method therefor20207,425,459'Light emitting device, display apparatus with an array of light emitting devices, and display apparatus method of manufacture'20087,359,822'Testing device'20087,087,445'Light emitting device, display apparatus with an array of light emitting devices, and display apparatus method of manufacture'20066,800,996'Light emitting device, display apparatus with an array of light emitting devices, and display apparatus method of manufacture'20046,657,382'Light emitting device, display apparatus with an array of light emitting devices, and display apparatus method of manufacture'20035,701,816'Heat-sensitive type mimeographic screen forming apparatus'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to GRAPHTEC KK (1)· patent assignee history
1997Based in Yokohama, JP· patent location history
2003–2008Patents assigned to NICHIA CORP (4)· patent assignee history
2003–2008Based in Anan-shi, JP· patent location history
2008Patents assigned to ADVANTEST CORP (1)· patent assignee history
2008Based in Tokyo, JP· patent location history
2020Patents assigned to KOBE STEEL LTD (1)· patent assignee history
2020Based in Hyogo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NICHIA CORP42003–2008
ADVANTEST CORP12008
GRAPHTEC KK11997
KOBE STEEL LTD12020
Locations
LocationPatentsSpan
Anan-shi, JP42003–2008
Hyogo, JP12020
Tokyo, JP12008
Yokohama, JP11997