Inventor

Tsutomu Uemura

Inventor
Tokyo, JP

Overview

3→
Patents
1996–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B22Fprimary
B22FWorking metallic powder33%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein33%
H01FMagnets33%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to HITACHI POWDERED METALS (1)· patent assignee history
1996Patents assigned to NISSAN MOTOR (1)· patent assignee history
1996Based in Chiba, JP· patent location history
2004Patents assigned to NEC LCD TECHNOLOGIES LTD (1)· patent assignee history
2004–2021Based in Tokyo, JP· patent location history
2021Patents assigned to NIPPON STEEL CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI POWDERED METALS11996
NEC LCD TECHNOLOGIES LTD12004
NIPPON STEEL CORP12021
NISSAN MOTOR11996
Locations
LocationPatentsSpan
Tokyo, JP22004–2021
Chiba, JP11996