Inventor
KANNO KYU
JP7 patents
Patents
7 patentsUS7192153B2Mar 20, 2007
Lens, light irradiation apparatus, and laser pointer
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US6014291AJan 11, 2000
Composite magnetic head having thin conductor film
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US5936815AAug 10, 1999
Magnetic head
SONY CORP2 citations60
US5909343AJun 1, 1999
Magnetic head and method for producing the same
SONY CORP5 citations60
US6801390B2Oct 5, 2004
Stationary head type magnetic recording/reproducing system with flat and bevel slide contact surfaces on transducig head
SONY CORP4 citations59
US7715300B2May 11, 2010
Diffraction element, objective lens unit, optical pickup and optical disc apparatus
SONY CORP0 citations49
US7463430B2Dec 9, 2008
Diffraction element, objective lens unit, optical pickup, optical disc apparatus and design method for diffraction element
SONY CORP1 citations49