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Inventor

Toshiaki Ikoma

Inventor
Bunkyo-ku, JP

Overview

4→
Patents
1978–1987
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H10Dprimary
H10DInorganic electric semiconductor devices43%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1029%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light14%
H10HInorganic light-emitting semiconductor devices having potential barriers14%
PatentTitleYear
4,648,095'Semiconductor laser'19874,636,824'Voltage-controlled type semiconductor switching device'19874,157,610'Method of manufacturing a field effect transistor'19794,116,722'Method for manufacturing compound semiconductor devices'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1987Patents assigned to TOKYO SHIBAURA ELECTRIC CO (3)· patent assignee history
1978–1979Based in Tokyo, JP· patent location history
1987Patents assigned to IKOMA TOSHIAKI (2)· patent assignee history
1987Patents assigned to FURUKAWA ELECTRIC CO LTD (1)· patent assignee history
1987Patents assigned to OKUMURA TSUGUNORI (1)· patent assignee history
1987Based in Bunkyo-ku, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOKYO SHIBAURA ELECTRIC CO31978–1987
IKOMA TOSHIAKIself21987
FURUKAWA ELECTRIC CO LTD11987
OKUMURA TSUGUNORI11987
Locations
LocationPatentsSpan
Bunkyo-ku, JP21987
Tokyo, JP21978–1979