Norihisa Hirao

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Okazaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus including mutually communicating hydraulic cylinders for...
- Patent number 5,735,201
- Issue date Apr 7, 1998
- Toyota Jidosha Kabushiki Kaisha
- Norihisa Hirao
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Press having cushioning cylinders each having two chambers whose pr...
- Patent number 5,687,598
- Issue date Nov 18, 1997
- Toyota Jidosha Kabushiki Kaisha
- Kazunari Kirii
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...