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Inventor

Chikako Yoshioka

Inventor
Ishikawa-gun, JP

Overview

4→
Patents
1999–2021
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.

H01Lprimary
H01LSemiconductor devices21%
H10DInorganic electric semiconductor devices21%
C08JWorking-up7%
C09KMaterials for miscellaneous applications, not provided for elsewhere7%
D21HPulp compositions7%
F24FAir-conditioning7%
F25DRefrigerators7%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h107%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h107%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
10,903,202Semiconductor device20219,660,071'Semiconductor device'20179,559,057'Semiconductor device and method for manufacturing the same'20175,935,717'Functional film having inorganic thin on surface of organic film article using the same and process for producing the same'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to HITACHI LTD (1)· patent assignee history
1999Based in Hitachi, JP· patent location history
2017–2021Patents assigned to TOSHIBA KK (3)· patent assignee history
2017–2021Based in Ishikawa-gun, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK32017–2021
HITACHI LTD11999
Locations
LocationPatentsSpan
Ishikawa-gun, JP32017–2021
Hitachi, JP11999