Inventor

Takafumi Tsurui

Inventor

Hyogo, JP

Overview

2011–2012

Patent span

Performing operations

Primary field (CPC B)

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

B23Hprimary

B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool33%

B24BMachines, devices, or processes for grinding or polishing33%

G01NInvestigating or analysing materials by determining their chemical or physical properties33%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2011–2012Patents assigned to KOBE MATERIAL TESTING LAB CO LTD (2)· patent assignee history

2011Patents assigned to KYUSHU ELECTRIC POWER (1)· patent assignee history

2011Patents assigned to MINATOGAWA KINZOKU TEST PIECE MFG CO LTD (1)· patent assignee history

2011–2012Based in Hyogo, JP· patent location history

2012Patents assigned to TSURUI TAKAFUMI (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KOBE MATERIAL TESTING LAB CO LTD	2	2011–2012
KYUSHU ELECTRIC POWER	1	2011
MINATOGAWA KINZOKU TEST PIECE MFG CO LTD	1	2011
TSURUI TAKAFUMIself	1	2012

Locations

Location	Patents	Span
Hyogo, JP	2	2011–2012