Assignee
KAWASAKI RYOICHI
JP·5 granted patents·1 citations·filing 2006–2012
Top patents by PatentIndex Score
5 records- 0164US8087037B2Optical pickup apparatusKAWASAKI RYOICHI·Filed 2011·Granted Dec 27, 2011·1 cites·6 claims
- 0250US8427921B2Light emitting device, optical pickup apparatus and method for manufacturing the sameKAWASAKI RYOICHI·Filed 2012·Granted Apr 23, 2013·0 cites·5 claims
- 0343US8077587B2Laser attachment device and optical pick-up device using the sameKAWASAKI RYOICHI·Filed 2011·Granted Dec 13, 2011·0 cites·6 claims
- 0440US8165002B2Optical pickup apparatus and objective lensKAWASAKI RYOICHI·Filed 2010·Granted Apr 24, 2012·0 cites·14 claims
- 0539US8149677B2Optical pickup unit and optical disk apparatus having a phase-differing periodic structureKAWASAKI RYOICHI·Filed 2006·Granted Apr 3, 2012·0 cites·18 claims
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