Inventor · disambiguated record
Toyokazu Takahashi
Also filed as: TAKAHASHI TOYOKAZU
5 granted patents·1 pending application·34 citations·filing 2002–2020
72Inventor score
Top patents by PatentIndex Score
6 records- 0184US6819491B2Objective lens unit for optical pickup, optical pickup and disc driving deviceSONY CORP·Filed 2002·Granted Nov 16, 2004·23 cites·27 claims
- 0272US7050379B2Optical pickup-use object lens, optical pickup and optical disk unitSONY CORP·Filed 2002·Granted May 23, 2006·11 cites·27 claims
- 0348US7826328B2Optical pickup device and optical disk apparatus using the sameSONY CORP·Filed 2007·Granted Nov 2, 2010·0 cites·3 claims
- 0447US11662629B2Liquid crystal light control device, and method of manufacturing liquid crystal light control deviceSONY GROUP CORP·Filed 2020·Granted May 30, 2023·0 cites·8 claims
- 0547US8125876B2Objective lens, optical pickup apparatus using the same, optical recording/reproduction apparatus using the same, and method of correcting aberration using the sameAIBA MOTOO·Filed 2009·Granted Feb 28, 2012·0 cites·17 claims
- 0634US2020236255A1Imaging apparatus and shading correction methodSONY CORP·Filed 2016·Application pending·0 cites
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