Haruyuki HIRAYAMA

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Yao-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Surface grinding method for workpiece
- Patent number 9,669,511
- Issue date Jun 6, 2017
- Koyo Machine Industries Co., Ltd.
- Haruyuki Hirayama
- B24 - GRINDING POLISHING
Information Patent Grant
Inclination angle adjusting device and workpiece attaching device
- Patent number 8,403,732
- Issue date Mar 26, 2013
- Koyo Machine Industries Co., Ltd.
- Haruyuki Hirayama
- B24 - GRINDING POLISHING
Information Patent Grant
Inclination angle adjusting device and workpiece attaching device
- Patent number 8,403,731
- Issue date Mar 26, 2013
- Koyo Machine Industries Co., Ltd.
- Haruyuki Hirayama
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
SURFACE GRINDING METHOD FOR WORKPIECE
- Publication number 20150239089
- Publication date Aug 27, 2015
- KOYO MACHINE INDUSTRIES CO., LTD.
- Haruyuki HIRAYAMA
- B24 - GRINDING POLISHING
Information Patent Application
INCLINATION ANGLE ADJUSTING DEVICE AND WORKPIECE ATTACHING DEVICE
- Publication number 20100003907
- Publication date Jan 7, 2010
- KOYO MACHINE INDUSTRIES CO., LTD.
- Haruyuki HIRAYAMA
- B24 - GRINDING POLISHING
Information Patent Application
INCLINATION ANGLE ADJUSTING DEVICE AND WORKPIECE ATTACHING DEVICE
- Publication number 20100003908
- Publication date Jan 7, 2010
- KOYO MACHINE INDUSTRIES CO., LTD.
- Haruyuki HIRAYAMA
- B24 - GRINDING POLISHING