Assignee
KAWAMURA TOMOTO
JP·6 granted patents·2 pending applications·2 citations·filing 2006–2012
Technology mixG11B8
Top patents by PatentIndex Score
8 records- 0165US8169880B2Optical pickup having radially arranged lenses in a low profile constructionKAWAMURA TOMOTO·Filed 2011·Granted May 1, 2012·1 cites·6 claims
- 0260US8593928B2Optical head and optical drive deviceKAWAMURA TOMOTO·Filed 2012·Granted Nov 26, 2013·1 cites·14 claims
- 0354US8144565B2Optical head and apparatus using the sameKAWAMURA TOMOTO·Filed 2009·Granted Mar 27, 2012·0 cites·12 claims
- 0447US8498190B2Optical head using beam dividing elementKAWAMURA TOMOTO·Filed 2012·Granted Jul 30, 2013·0 cites·13 claims
- 0545US2006193219A1Diffraction grating, optical pickup device, and optical disk apparatusKAWAMURA TOMOTO·Filed 2006·Application pending·0 cites
- 0642US8537651B2Optical disc deviceKAWAMURA TOMOTO·Filed 2012·Granted Sep 17, 2013·0 cites·10 claims
- 0740US2013015320A1Method and apparatus for generating focus error signal, optical head and optical driving apparatusKAWAMURA TOMOTO·Filed 2012·Application pending·0 cites
- 0839US8243575B2Optical headKAWAMURA TOMOTO·Filed 2010·Granted Aug 14, 2012·0 cites·10 claims
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