Hisakatsu Hara

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Kuroiso, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for drawing brass-plated steel wire
- Patent number 7,162,902
- Issue date Jan 16, 2007
- Bridgestone Corporation
- Ryuzo Oosawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Multiple slip type wet-drawing process
- Patent number 6,082,163
- Issue date Jul 4, 2000
- Bridgestone Corporation
- Hisakatsu Hara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Belt package and pneumatic tire
- Publication number 20050011600
- Publication date Jan 20, 2005
- Hisakatsu Hara
- B60 - VEHICLES IN GENERAL
Information Patent Application
Steel wire and steel cord for the reinforcing rubber article, and tire
- Publication number 20030178117
- Publication date Sep 25, 2003
- Ryuzo Oosawa
- B60 - VEHICLES IN GENERAL