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Inventor

Fumihiko Nagasaki

Inventor
Tokyo, JP

Overview

2→
Patents
1998–2019
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.

G01Rprimary
G01RMeasuring electric variables25%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems25%
H05BElectric heating25%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications25%
PatentTitleYear
10,401,424Soft error rate calculation device and calculation method for semiconductor large scale integration (LSI)20195,777,861'Power supply apparatus having high power-factor and low distortion-factor characteristics'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to TOSHIBA LIGHTING & TECHNOLOGY (1)· patent assignee history
1998Based in Yokohama, JP· patent location history
2019Patents assigned to HITACHI LTD (1)· patent assignee history
2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD12019
TOSHIBA LIGHTING & TECHNOLOGY11998
Locations
LocationPatentsSpan
Tokyo, JP12019
Yokohama, JP11998