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Inventor

Katsuji Fujita

Inventor
Yokohama, JP

Overview

4→
Patents
1984–1997
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.

H10Dprimary
H10DInorganic electric semiconductor devices29%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1029%
H03KPulse technique14%
H03MCoding14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
PatentTitleYear
5,598,030'Semiconductor device having multilevel tab leads'19975,079,443'Voltage comparator circuit having hysteresis characteristics of narrow range of voltage'19924,543,593'Semiconductor protective device'19854,484,212'Semiconductor device'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–1985Patents assigned to TOKYO SHIBAURA ELECTRIC CO (2)· patent assignee history
1984–1992Based in Yokohama, JP· patent location history
1992–1997Patents assigned to TOSHIBA KK (2)· patent assignee history
1997Based in Ooita, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOKYO SHIBAURA ELECTRIC CO21984–1985
TOSHIBA KK21992–1997
Locations
LocationPatentsSpan
Yokohama, JP31984–1992
Ooita, JP11997