Inventor

Katsumi Masamura

Inventor
Tokyo, JP

Overview

6→
Patents
1990–2014
Patent span
Chemistry
Primary field (CPC C)

Patents· 6 as inventor

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

C22Cprimary
C22CAlloys25%
Y10TTechnical subjects covered by former us classification25%
G06FElectric digital data processing19%
C21DModifying the physical structure of ferrous metals13%
G01NInvestigating or analysing materials by determining their chemical or physical properties13%
F16LPipes6%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1993Patents assigned to NIPPON KOKAN KK (2)· patent assignee history
1990–2014Based in Tokyo, JP· patent location history
2009–2014Patents assigned to JFE STEEL CORP (4)· patent assignee history
2012–2014Patents assigned to MASAMURA KATSUMI (3)· patent assignee history
2012–2014Patents assigned to SUZUKI NOBUHISA (2)· patent assignee history
2012Patents assigned to ITAKURA NORITSUGU (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
JFE STEEL CORP42009–2014
MASAMURA KATSUMIself32012–2014
NIPPON KOKAN KK21990–1993
SUZUKI NOBUHISA22012–2014
ITAKURA NORITSUGU12012
Locations
LocationPatentsSpan
Tokyo, JP61990–2014