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Inventor

Koji Tsuru

Inventor
Iruma, JP

Overview

3→
Patents
2001–2010
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.

G01Rprimary
G01RMeasuring electric variables33%
G06KGraphical data reading33%
H01FMagnets33%
PatentTitleYear
7,800,474'Bond magnet for direct current reactor and direct current reactor'20106,288,530'Apparatus and method for measuring resonance frequency of electric circuit'20016,173,900'IC card'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to HITACHI LTD (1)· patent assignee history
2001Patents assigned to NIPPON AND TELEGRAPH AND TELEP (1)· patent assignee history
2001Based in Iruma, JP· patent location history
2010Patents assigned to DAIDO STEEL CO LTD (1)· patent assignee history
2010Patents assigned to KURETAKE ELECTRO STEEL CO LTD (1)· patent assignee history
2010Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAIDO STEEL CO LTD12010
HITACHI LTD12001
KURETAKE ELECTRO STEEL CO LTD12010
NIPPON AND TELEGRAPH AND TELEP12001
Locations
LocationPatentsSpan
Iruma, JP22001
Osaka, JP12010