Haruo Arai

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Ibaraki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lens unit, camera module and manufacturing method of lens unit
- Patent number 8,526,129
- Issue date Sep 3, 2013
- Hitachi Maxell, Ltd.
- Hiroyuki Hirata
- G02 - OPTICS
Information Patent Grant
Disc cartridge
- Patent number 4,799,123
- Issue date Jan 17, 1989
- Hitachi Maxell, Ltd.
- Yasunori Kanazawa
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
LENS UNIT, CAMERA MODULE AND MANUFACTURING METHOD OF LENS UNIT
- Publication number 20110063739
- Publication date Mar 17, 2011
- HITACHI MAXELL, LTD.
- Hiroyuki Hirata
- G02 - OPTICS