Inventor

Masakazu Umetsu

Inventor
Yamagata, JP

Overview

3→
Patents
1997–2003
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.

G06Fprimary
G06FElectric digital data processing100%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2003Patents assigned to NEC CORP (3)· patent assignee history
1997Based in Tokyo, JP· patent location history
2002–2003Based in Yamagata, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEC CORP31997–2003
Locations
LocationPatentsSpan
Yamagata, JP22002–2003
Tokyo, JP11997