Inventor

Eiji Iizuka

Inventor
Tokyo, JP

Overview

7→
Patents
2007–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 7 as inventor

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

B21Dprimary
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material71%
G01NInvestigating or analysing materials by determining their chemical or physical properties29%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007Patents assigned to CHEMCO SCIENT CO LTD (1)· patent assignee history
2007–2008Based in Nagoya, JP· patent location history
2008Patents assigned to IIZUKA EIJI (1)· patent assignee history
2018–2020Patents assigned to JFE STEEL CORP (5)· patent assignee history
2018Based in Fukuyama, JP· patent location history
2019Patents assigned to JFC STEEL CORP (1)· patent assignee history
2019Patents assigned to JFE CORP (1)· patent assignee history
2019–2020Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JFE STEEL CORP52018–2020
CHEMCO SCIENT CO LTD12007
IIZUKA EIJIself12008
JFC STEEL CORP12019
JFE CORP12019
Locations
LocationPatentsSpan
Tokyo, JP42019–2020
Nagoya, JP22007–2008
Fukuyama, JP12018