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Inventor

Hisayoshi Yanai

Inventor
Tokyo, JP

Overview

1→
Patents
1987
Patent span
Electricity
Primary field (CPC H)

Patents· 1 as inventor

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

H10Dprimary
H10DInorganic electric semiconductor devices100%
PatentTitleYear
4,636,824'Voltage-controlled type semiconductor switching device'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to IKOMA TOSHIAKI (1)· patent assignee history
1987Patents assigned to TOKYO SHIBAURA ELECTRIC CO (1)· patent assignee history
1987Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IKOMA TOSHIAKI11987
TOKYO SHIBAURA ELECTRIC CO11987
Locations
LocationPatentsSpan
Tokyo, JP11987