P

Inventor

TAKAHASHI TOYOKAZU

JP5 patents
⚠️ This page may combine multiple inventors who share the name “TAKAHASHI TOYOKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

3 patents
US6819491B2Nov 16, 2004

Objective lens unit for optical pickup, optical pickup and disc driving device

SONY CORP23 citations89
US7050379B2May 23, 2006

Optical pickup-use object lens, optical pickup and optical disk unit

SONY CORP11 citations81
US7826328B2Nov 2, 2010

Optical pickup device and optical disk apparatus using the same

SONY CORP0 citations36

SONY GROUP CORP

1 patent
US11662629B2May 30, 2023

Liquid crystal light control device, and method of manufacturing liquid crystal light control device

SONY GROUP CORP0 citations50

AIBA MOTOO

1 patent
US8125876B2Feb 28, 2012

Objective lens, optical pickup apparatus using the same, optical recording/reproduction apparatus using the same, and method of correcting aberration using the same

AIBA MOTOO0 citations34