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Inventor

Yoshiro Oikawa

Inventor
Tokyo, JP

Overview

9→
Patents
1997–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television17%
G02BOptical elements, systems or apparatus13%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them13%
H01LSemiconductor devices13%
H10DInorganic electric semiconductor devices9%
G03DApparatus for processing exposed photographic materials4%
G11CStatic stores4%
H05BElectric heating4%
H10BElectronic memory devices4%
H10HInorganic light-emitting semiconductor devices having potential barriers4%
PatentTitleYear
11,127,732Semiconductor device202111,101,407Light emitting device sealed in a fibrous body to improve manufacturability and electronic device including the light emitting device202111,094,360Storage device, electronic component, and electronic device20216,464,360'Projection type display apparatus'20026,062,694'Projection type display apparatus'20005,808,795'Projection type display apparatus'19985,798,819'Projection-display apparatus and method providing improved brightness of projected color image'19985,690,407'Shutter for display device of projection type'19975,666,578'Camera and print information control apparatus'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2002Patents assigned to NIKON CORP (6)· patent assignee history
1997–1998Based in Tokyo, JP· patent location history
2002Based in Kanagawa, JP· patent location history
2021Patents assigned to SEMICONDUCTOR ENERGY LAB (3)· patent assignee history
2021Based in Tochigi, JP· patent location history
2021Based in Tochigi-shi, JP· patent location history
2021Based in Yokohama-shi, Kanagawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIKON CORP61997–2002
SEMICONDUCTOR ENERGY LAB32021
Locations
LocationPatentsSpan
Tokyo, JP31997–1998
Tochigi, JP12021
Tochigi-shi, JP12021
Yokohama-shi, Kanagawa, JP12021
Kanagawa, JP12002