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Inventor

Shigenobu Ishihara

Inventor
Kawasaki, JP

Overview

6→
Patents
1976–2008
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G01Rprimary
G01RMeasuring electric variables27%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds18%
C08LCompositions of macromolecular compounds9%
C09JAdhesives9%
G11BInformation storage based on relative movement between record carrier and transducer9%
G11CStatic stores9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
Y10TTechnical subjects covered by former us classification9%
PatentTitleYear
7,358,714'Testing method and testing apparatus'20087,256,591'Probe card, having cantilever-type probe and method'20077,180,312'Probe card and method for manufacturing probe card'20074,990,386'Optical disk substrate'19914,380,600'Aqueous dispersion of water-soluble polymer composition'19833,934,056'Resin compositions of high adhesivity comprising E/VA copolymer, chlorinated or chlorosulfonated polyethylene, an unsaturated acid and a peroxy compound'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1983Patents assigned to SHOWA DENKO KK (2)· patent assignee history
1976Based in Tokyo, JP· patent location history
1983Based in Yokohama, JP· patent location history
1991Patents assigned to SHOWA DENKO KABUSHIKI KAISHI (1)· patent assignee history
1991Based in Kanagawa, JP· patent location history
2007–2008Patents assigned to FUJITSU LTD (3)· patent assignee history
2007–2008Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD32007–2008
SHOWA DENKO KK21976–1983
SHOWA DENKO KABUSHIKI KAISHI11991
Locations
LocationPatentsSpan
Kawasaki, JP32007–2008
Kanagawa, JP11991
Yokohama, JP11983
Tokyo, JP11976