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Inventor

Satoru Takagi

Inventor
Tokyo, JP

Overview

7→
Patents
1990–2008
Patent span
Physics
Primary field (CPC G)

Patents· 7 as inventor

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

G06Fprimary
G06FElectric digital data processing20%
H04LTransmission of digital information, e.g. telegraphic communication20%
G01CMeasuring distances, levels or bearings10%
G01SRadio direction-finding10%
G01VGeophysics10%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein10%
H04BTransmission10%
LOC1410%
PatentTitleYear
7,460,987'GPS satellite simulation system'20086,460,087'Method of transferring file'20026,107,961'Map display system'2000D0421745'Image scanner'20005,764,061'Maritime apparatus for locating a buried submarine cable'19985,434,693'Optical short pulse generating device'19954,941,084'System for locating resources resided in a distributing processing system by sequentially transmitting resource inquiries through a looped transmission line'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to HITACHI LTD (1)· patent assignee history
1990Based in Kawasaki, JP· patent location history
1995–2000Patents assigned to KOKUSAI DENSHIN DENWA CO LTD (3)· patent assignee history
1995–2002Based in Tokyo, JP· patent location history
2000Patents assigned to NEC CORP (1)· patent assignee history
2000–2008Based in Osaka, JP· patent location history
2002Patents assigned to KDD CORP (1)· patent assignee history
2008Patents assigned to FUJITSU LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOKUSAI DENSHIN DENWA CO LTD31995–2000
FUJITSU LTD12008
HITACHI LTD11990
KDD CORP12002
NEC CORP12000
Locations
LocationPatentsSpan
Tokyo, JP41995–2002
Osaka, JP22000–2008
Kawasaki, JP11990