Inventor
Ichiro Kokubo
Inventor
Kakogawa, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B21Bprimary
B21BRolling of metal20%
C22CAlloys20%
Y10TTechnical subjects covered by former us classification20%
C21DModifying the physical structure of ferrous metals10%
C23CCoating metallic material10%
C25DProcesses for the electrolytic or electrophoretic production of coatings10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
PatentTitleYear
5,098,489'Process for manufacturing high-strength parts of an automobile transmission system'19924,880,480'High strength hot rolled steel sheet for wheel rims'19894,712,414'Rolling method of plate-like stock material by edger, and continuous hot rolling mill'19874,491,623'Double-layer electroplated steel article with corrosion resistance after painting and wet adhesion of paint film'19854,245,490'Thin rolled steel plate having unequal thickness'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1992Patents assigned to KOBE STEEL LTD (5)· patent assignee history
1981–1992Based in Kakogawa, JP· patent location history
1987–1989Based in Hyogo, JP· patent location history
1992Patents assigned to YAMAKAWA IND CO LTD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KOBE STEEL LTD | 5 | 1981–1992 |
| YAMAKAWA IND CO LTD | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kakogawa, JP | 3 | 1981–1992 |
| Hyogo, JP | 2 | 1987–1989 |