Yoshio Kawatake

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Roller bearing cage and manufacturing method therefor as well as ro...
- Patent number 9,422,981
- Issue date Aug 23, 2016
- Nakanishi Metal Works Co., Ltd.
- Michiyuki Kamiji
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Manufacturing method for rocker arm
- Patent number 8,037,601
- Issue date Oct 18, 2011
- Nakanishi Metal Works Co., Ltd.
- Yoshio Kawatake
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Rocker arm and method of manufacturing same
- Patent number 7,673,605
- Issue date Mar 9, 2010
- Otics Corporation
- Naoki Hiramatsu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for manufacturing rocker arm
- Patent number 7,631,425
- Issue date Dec 15, 2009
- Nakanishi Metal Works Co., Ltd.
- Michiyuki Kamiji
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
ROLLER BEARING CAGE AND MANUFACTURING METHOD THEREFOR AS WELL AS RO...
- Publication number 20150023625
- Publication date Jan 22, 2015
- NAKANISHI METAL WORKS CO., LTD.
- Michiyuki Kamiji
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Manufacturing method for rocker arm
- Publication number 20090229124
- Publication date Sep 17, 2009
- NAKANISHI METAL WORKS CO., LTD.
- Yoshio Kawatake
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Rocker arm and method of manufacturing same
- Publication number 20070175428
- Publication date Aug 2, 2007
- Naoki Hiramatsu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Method for manufacturing rocker arm
- Publication number 20060143912
- Publication date Jul 6, 2006
- NAKANISHI METAL WORKS CO., LTD.
- Michiyuki Kamiji
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...