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Inventor

Takamasa Fujinaga

Inventor
Hitachi, JP

Overview

2→
Patents
1981–1999
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

G06Fprimary
G06FElectric digital data processing25%
G21BFusion reactors25%
H04LTransmission of digital information, e.g. telegraphic communication25%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution25%
PatentTitleYear
5,999,999'Communication control device and a communication system using the same'19994,303,473'Torus type vacuum shell'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1999Patents assigned to HITACHI LTD (2)· patent assignee history
1981–1999Based in Hitachi, JP· patent location history
1999Patents assigned to HITACHI ENG CO LTD (1)· patent assignee history
1999Patents assigned to HITACHI HARAMACHI ELECTRONICS (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD21981–1999
HITACHI ENG CO LTD11999
HITACHI HARAMACHI ELECTRONICS11999
Locations
LocationPatentsSpan
Hitachi, JP21981–1999