Tomoyoshi Okada

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Nayoya-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gear for transmission and method for manufacturing the same
- Patent number 7,490,529
- Issue date Feb 17, 2009
- O-OKA Corporation
- Tomoyoshi Okada
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Gear having window holes, and method and apparatus for manufacturin...
- Patent number 7,437,967
- Issue date Oct 21, 2008
- O-OKA Corporation
- Tomoyoshi Okada
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Gear for transmission and method for manufacturing the same
- Publication number 20050016309
- Publication date Jan 27, 2005
- O-OKA CORPORATION
- Tomoyoshi Okada
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Gear having window holes, and method and apparatus for manufacturin...
- Publication number 20040231448
- Publication date Nov 25, 2004
- O-OKA CORPORATION
- Tomoyoshi Okada
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...