Assignee
KATSUMA TOSHIAKI
JP·1 granted patent·3 pending applications·0 citations·filing 2008–2010
Top patents by PatentIndex Score
4 records- 0156US2009296227A1Molded lensKATSUMA TOSHIAKI·Filed 2009·Application pending·0 cites
- 0247US8064319B2Objective lens, optical pickup device having the same, and recording and/or reproducing apparatus for optical recording medium, equipped with the optical pickup deviceKATSUMA TOSHIAKI·Filed 2008·Granted Nov 22, 2011·0 cites·8 claims
- 0346US2009129242A1Objective lens, optical pickup device having the same, and recording and/or reproducing apparatus for optical recording medium, equipped with the optical pickup deviceKATSUMA TOSHIAKI·Filed 2008·Application pending·0 cites
- 0444US2011080646A1Molded lensKATSUMA TOSHIAKI·Filed 2010·Application pending·0 cites
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