Inventor
Kazuhiro Kumasaka
Inventor
Mito, JP
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals33%
C22CAlloys33%
H01FMagnets33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977Patents assigned to NIPPON TELEGRAPH & TELEPHONE (1)· patent assignee history
1977Based in Mito, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON TELEGRAPH & TELEPHONE | 1 | 1977 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mito, JP | 1 | 1977 |