Yukio Ohta

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for the surface treatment of an iron or iron alloy article
- Patent number 4,818,351
- Issue date Apr 4, 1989
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Tohru Arai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for the surface treatment of an iron or iron alloy article
- Patent number 4,804,445
- Issue date Feb 14, 1989
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Yukio Ohta
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of treating the surface of iron alloy materials
- Patent number 4,765,847
- Issue date Aug 23, 1988
- Kabushiki Kaisha Toyota Chuo Kenkyusho
- Tohru Arai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...