Inventor
Joji Oka
Inventor
Tokyo, JP
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers24%
Y10TTechnical subjects covered by former us classification24%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds18%
B23KSoldering or unsoldering12%
B05DProcesses for applying fluent materials to surfaces, in general6%
C23CCoating metallic material6%
C25DProcesses for the electrolytic or electrophoretic production of coatings6%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
5,166,288'Coating composition for coating metal plate'19925,066,757'One-can heat-curable resin compositions and precoated metal'19914,898,775'Paint coated metal sheets'19904,880,891'One-can thermosetting resin compositions and precoated metal'19894,880,890'One-can thermosetting resin compositions and precoated metal'19894,861,672'One-can heat-curable resin compositions and precoated metal'19894,826,895'Paint composition for under coating'19894,705,726'Anticorrosive weldable coated steel'19874,524,111'Weldable paint-coated steel sheets having excellent corrosion resistance'19854,370,387'Pre-coated steel sheets and process for production thereof'19834,352,899'Coating composition for metal-substrate'19824,251,329'Process for producing a highly corrosion resistant electroplated steel sheet'19814,079,163'Weldable coated steel sheet'19783,975,242'Horizontal rectilinear type metal-electroplating method'19763,935,035'Aqueous solution and method for surface treatment of metals'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1992Patents assigned to NIPPON STEEL CORP (13)· patent assignee history
1976–1991Based in Tokyo, JP· patent location history
1976Based in Kawasaki, JP· patent location history
1982Patents assigned to SAKAI CHEMICAL INDUSTRY CO (1)· patent assignee history
1983Patents assigned to TOA GOSEI CHEM IND (1)· patent assignee history
1987–1992Based in Kimitsu, JP· patent location history
1989–1991Patents assigned to TAKEDA CHEMICAL INDUSTRIES LTD (4)· patent assignee history
1989Patents assigned to ASAHI DENKA KOGYO KK (1)· patent assignee history
1990Based in Kanagawa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON STEEL CORP | 13 | 1976–1992 |
| TAKEDA CHEMICAL INDUSTRIES LTD | 4 | 1989–1991 |
| ASAHI DENKA KOGYO KK | 1 | 1989 |
| SAKAI CHEMICAL INDUSTRY CO | 1 | 1982 |
| TOA GOSEI CHEM IND | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 10 | 1976–1991 |
| Kimitsu, JP | 3 | 1987–1992 |
| Kanagawa, JP | 1 | 1990 |
| Kawasaki, JP | 1 | 1976 |