Inventor
Nobuo Ohashi
Inventor
Chiba, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals44%
C22CAlloys22%
C23CCoating metallic material11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
Y10TTechnical subjects covered by former us classification11%
PatentTitleYear
4,265,679'Process for producing stainless steels for spring having a high strength and an excellent fatigue resistance'19814,256,486'Martensitic stainless steel having excellent weldability and workability for structural use'19814,206,004'Process of pretreating cold-rolled steel sheet for annealing'19804,042,425'Process of pretreating cold-rolled steel sheet for annealing'19774,001,052'Hot-rolled low-carbon steel strip with an excellent press-workability capable of forming smooth pressed surface and a method of making the same'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1981Patents assigned to KAWASAKI STEEL CO (5)· patent assignee history
1977–1980Based in Chiba, JP· patent location history
1981Based in Funabashi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KAWASAKI STEEL CO | 5 | 1977–1981 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiba, JP | 3 | 1977–1980 |
| Funabashi, JP | 2 | 1981 |