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Inventor

Syoji Yamaguchi

Inventor
Hitachi, JP

Overview

9→
Patents
1990–2014
Patent span
Physics
Primary field (CPC G)

Patents· 9 as inventor

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

G06Fprimary
G06FElectric digital data processing33%
H04LTransmission of digital information, e.g. telegraphic communication13%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling7%
B24BMachines, devices, or processes for grinding or polishing7%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%
C09JAdhesives7%
G05BControl or regulating systems in general7%
G11BInformation storage based on relative movement between record carrier and transducer7%
H04HBroadcast communication7%
H04QSelecting7%
PatentTitleYear
8,680,208'Star polymer'20145,825,899'Audio data processing apparatus'19985,761,405'Data integrity guarantee system'19985,550,562'Data processing device that enables mouse-operated application programs to be operated from an operation pad, and an operation pad for use with the same'19965,548,710'Method and apparatus for an ISDN communication system using active and stand-by ISDN communication adaptors to maintain operation when trouble occurs'19965,396,485'Information communication system for point-to-point communication and point-to-multipoint communication using same lines'19955,345,566'Method and apparatus for controlling dual bus system'19945,155,731'Error logging data storing system'19924,897,967'Apparatus for truing a grinding wheel'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Based in Nagoya, JP· patent location history
1992–1998Patents assigned to FUJITSU LTD (3)· patent assignee history
1992Based in Hino, JP· patent location history
1994–1998Patents assigned to HITACHI LTD (4)· patent assignee history
1994–1998Based in Hitachi, JP· patent location history
1995Patents assigned to HITACHI PROCESS COMPUTER ENG (1)· patent assignee history
1996–1998Based in Kawasaki, JP· patent location history
2014Patents assigned to NIPPON SODA CO (1)· patent assignee history
2014Patents assigned to TAKAHASHI EIJI (1)· patent assignee history
2014Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD41994–1998
FUJITSU LTD31992–1998
HITACHI PROCESS COMPUTER ENG11995
NIPPON SODA CO12014
TAKAHASHI EIJI12014
Locations
LocationPatentsSpan
Hitachi, JP41994–1998
Kawasaki, JP21996–1998
Chiba, JP12014
Hino, JP11992
Nagoya, JP11990