Inventor

TSUKAMOTO MAYUMI

JP3 patents

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

PANASONIC CORP

2 patents

US7889620B2Feb 15, 2011

Optical pickup device and optical disk device

PANASONIC CORP8 citations81

US7738347B2Jun 15, 2010

Optical pickup device and optical disk drive

PANASONIC CORP6 citations59

YOSHINAKA HIDEKI

1 patent

US8270265B2Sep 18, 2012

Optical pickup device and optical disk device

YOSHINAKA HIDEKI0 citations31