Hirofumi Kajiwara

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Shizuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing disk drive device
- Patent number 8,813,345
- Issue date Aug 26, 2014
- Samsung Electro-Mechanics Japan Advanced Technology Co., Ltd.
- Kenji Nishihara
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a fluid dynamic bearing, a fluid dynamic b...
- Patent number 8,776,377
- Issue date Jul 15, 2014
- Samsung Electro-Mechanics Japan Advanced Technology Co., Ltd.
- Shoei Nakamura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING DISK DRIVE DEVICE AND DISK DRIVE DEVICE MA...
- Publication number 20120317794
- Publication date Dec 20, 2012
- ALPHANA TECHNOLOGY CO., LTD.
- Kenji NISHIHARA
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING A FLUID DYNAMIC BEARING, A FLUID DYNAMIC B...
- Publication number 20100192378
- Publication date Aug 5, 2010
- ALPHANA Technology Co., Ltd.
- Shoei Nakamura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...