Ichiro Kokubo

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Patents Grantslast 30 patents

Information Patent Grant
Process for manufacturing high-strength parts of an automobile tran...
- Patent number 5,098,489
- Issue date Mar 24, 1992
- Yamakawa Industrial Co., Ltd.
- Tsunahiro Yamakawa
- C21 - METALLURGY OF IRON
Information Patent Grant
High strength hot rolled steel sheet for wheel rims
- Patent number 4,880,480
- Issue date Nov 14, 1989
- Kabushiki Kaisha Kobe Seiko Sho
- Ichiro Kokubo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Double-layer electroplated steel article with corrosion resistance...
- Patent number 4,491,623
- Issue date Jan 1, 1985
- Kabushiki Kaisha Kobe Seiko Sho
- Ichiro Kokubo
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Thin rolled steel plate having unequal thickness
- Patent number 4,245,490
- Issue date Jan 20, 1981
- Kobe Steel, Limited
- Ichiro Kokubo
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...