Yasuhiro Ogawa

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Choshi, JP

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Patents Applicationslast 30 patents

Information Patent Application
Corrosion-resisting and wear-resisting alloy and device using the same
- Publication number 20030180175
- Publication date Sep 25, 2003
- Hitachi, Ltd.
- Yoshihisa Kiyotoki
- C21 - METALLURGY OF IRON
Information Patent Application
Corrosion-resisting and wear-resisting alloy and device using the same
- Publication number 20030147769
- Publication date Aug 7, 2003
- Hitachi, Ltd.
- Yoshihisa Kiyotoki
- C21 - METALLURGY OF IRON
Information Patent Application
Corrosion-resisting and wear-resisting alloy and device using the same
- Publication number 20020064678
- Publication date May 30, 2002
- Yoshihisa Kiyotoki
- C21 - METALLURGY OF IRON