Hiroaki Sakai

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Hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic circuit for large crane
- Patent number 4,788,820
- Issue date Dec 6, 1988
- Kabushiki Kaisha Kobe Seiko Sho
- Hiroaki Sakai
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
SI-KILLED STEEL WIRE ROD HAVING EXCELLENT FATIGUE PROPERTIES, AND S...
- Publication number 20150369322
- Publication date Dec 24, 2015
- Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
- Tomoko SUGIMURA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...