Inventor
Masakazu Umetsu
Inventor
Yamagata, JP
Overview
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
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 3 | 1997–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yamagata, JP | 2 | 2002–2003 |
| Tokyo, JP | 1 | 1997 |