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Inventor

Shunichi Yamauchi

Inventor
Nirasaki, JP

Overview

2→
Patents
2002–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

H01Lprimary
H01LSemiconductor devices25%
H10DInorganic electric semiconductor devices25%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1025%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1025%
PatentTitleYear
10,998,199Etching method and etching apparatus20216,492,689'Semiconductor device switching regulator used as a DC regulated power supply'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002Patents assigned to HITACHI LTD (1)· patent assignee history
2002Patents assigned to HITACHI TOBU SEMICONDUCTOR LTD (1)· patent assignee history
2002Based in Tsurugashima, JP· patent location history
2021Patents assigned to TOKYO ELECTRON LTD (1)· patent assignee history
2021Based in Nirasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD12002
HITACHI TOBU SEMICONDUCTOR LTD12002
TOKYO ELECTRON LTD12021
Locations
LocationPatentsSpan
Nirasaki, JP12021
Tsurugashima, JP12002