Inventor
Osamu Shitamura
Inventor
Katsuta, JP
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C23Cprimary
C23CCoating metallic material22%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
B21BRolling of metal11%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form11%
C21DModifying the physical structure of ferrous metals11%
F16CShafts11%
Y10TTechnical subjects covered by former us classification11%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2001Patents assigned to HITACHI LTD (3)· patent assignee history
1991–1992Based in Katsuta, JP· patent location history
2001Based in Hitachinaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 3 | 1991–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Katsuta, JP | 2 | 1991–1992 |
| Hitachinaka, JP | 1 | 2001 |