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Inventor

Ken Tamagawa

Inventor
Tokyo, JP

Overview

3→
Patents
2003–2018
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G06Qprimary
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes25%
H04LTransmission of digital information, e.g. telegraphic communication25%
H04WWireless communication networks25%
G04GElectronic time-pieces13%
G06FElectric digital data processing13%
PatentTitleYear
9,998,913Management method and management server for using SIM cards20189,872,168'Management method and management server for using SIM cards'20186,603,708'Input object selector and method therefor'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to IBM (1)· patent assignee history
2003Based in Sagamihara, JP· patent location history
2018Patents assigned to SORACOM INC (2)· patent assignee history
2018Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SORACOM INC22018
IBM12003
Locations
LocationPatentsSpan
Tokyo, JP22018
Sagamihara, JP12003