Inventor
Tetsuya Sanpei
Inventor
Kawasaki, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals45%
C22CAlloys45%
H01FMagnets9%
PatentTitleYear
5,403,410'Abrasion-resistant steel'19955,393,358'Method for producing abrasion-resistant steel having excellent surface property'19955,284,529'Abrasion-resistant steel'19945,236,521'Abrasion resistant steel'19935,073,211'Method for manufacturing steel article having high magnetic permeability and low coercive force'19914,933,027'Iron-based shape-memory alloy excellent in shape-memory property, corrosion resistance and high-temperature oxidation resistance'19904,929,289'Iron-based shape-memory alloy excellent in shape-memory property and corrosion resistance'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1995Patents assigned to NIPPON KOKAN KK (7)· patent assignee history
1990–1991Based in Tokyo, JP· patent location history
1993–1995Based in Kawasaki, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON KOKAN KK | 7 | 1990–1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 4 | 1993–1995 |
| Tokyo, JP | 3 | 1990–1991 |