Kazuhiro Hirakawa

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Ageo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for improving durability of exhaust pipe
- Patent number 9,657,362
- Issue date May 23, 2017
- UD Trucks Corporation
- Yoshihiko Nozaki
- B24 - GRINDING POLISHING
Information Patent Grant
Method for improving fatigue strength of cast iron material
- Patent number 9,464,335
- Issue date Oct 11, 2016
- UD Trucks Corporation
- Yoshihiko Nozaki
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for improving fatigue strength of cast iron material
- Patent number 9,340,846
- Issue date May 17, 2016
- UD Trucks Corporation
- Yoshihiko Nozaki
- B24 - GRINDING POLISHING
Information Patent Grant
Method for improving fatigue strength of cast iron material
- Patent number 9,102,992
- Issue date Aug 11, 2015
- UD Trucks Corporation
- Yoshihiko Nozaki
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR IMPROVING DURABILITY OF EXHAUST PIPE, AND EXHAUST GAS PU...
- Publication number 20150082776
- Publication date Mar 26, 2015
- UD TRUCKS CORPORATION
- Yoshihiko NOZAKI
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR IMPROVING FATIGUE STRENGTH OF CAST IRON MATERIAL
- Publication number 20130263980
- Publication date Oct 10, 2013
- UD Trucks Corporation
- Yoshihiko Nozaki
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR IMPROVING FATIGUE STRENGTH OF CAST IRON MATERIAL
- Publication number 20130247634
- Publication date Sep 26, 2013
- UD Trucks Corporation
- Yoshihiko Nozaki
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD FOR IMPROVING FATIGUE STRENGTH OF CAST IRON MATERIAL
- Publication number 20130247633
- Publication date Sep 26, 2013
- UD Trucks Corporation
- Yoshihiko Nozaki
- C21 - METALLURGY OF IRON