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Inventor

Yoshinori Ishiai

Inventor
Miyagi, JP

Overview

3→
Patents
1986–2016
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

A62Cprimary
A62CFire-fighting17%
H01LSemiconductor devices17%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light17%
H10DInorganic electric semiconductor devices17%
H10HInorganic light-emitting semiconductor devices having potential barriers17%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1017%
PatentTitleYear
9,356,424'Semiconductor light emitting element and semiconductor light emitting device'20166,096,587'Manufacturing method of a junction field effect transistor'20004,609,048'Apparatus for automatically extinguishing fire'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986Patents assigned to SECOM CO LTD (1)· patent assignee history
1986Patents assigned to SHINKO ELECTRIC CO LTD (1)· patent assignee history
1986Based in Tokyo, JP· patent location history
2000–2016Patents assigned to SONY CORP (2)· patent assignee history
2000Based in Kanagawa, JP· patent location history
2016Based in Miyagi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SONY CORP22000–2016
SECOM CO LTD11986
SHINKO ELECTRIC CO LTD11986
Locations
LocationPatentsSpan
Miyagi, JP12016
Kanagawa, JP12000
Tokyo, JP11986