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Inventor

Toru Aratani

Inventor
Kawasaki, JP

Overview

7→
Patents
1993–2011
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.

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication40%
G06FElectric digital data processing30%
G01RMeasuring electric variables10%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
PatentTitleYear
RE042762'Device and method for authenticating user\'s access rights to resources'20116,516,413'Apparatus and method for user authentication'20036,072,874'Signing method and apparatus using the same'20005,987,134'Device and method for authenticating user\'s access rights to resources'19995,832,455'Work flow support system'19985,283,898'System and method for maintaining a mutual relationship between objects'19945,191,289'RF-coil for MRI apparatus'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to TOSHIBA KK (1)· patent assignee history
1993–1998Based in Yokohama, JP· patent location history
1994–2011Patents assigned to FUJI XEROX CO LTD (6)· patent assignee history
1994–2011Based in Kawasaki, JP· patent location history
1999Based in Ashigarakami-gun, JP· patent location history
2000–2003Based in Nakai-machi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI XEROX CO LTD61994–2011
TOSHIBA KK11993
Locations
LocationPatentsSpan
Kawasaki, JP21994–2011
Nakai-machi, JP22000–2003
Yokohama, JP21993–1998
Ashigarakami-gun, JP11999