Inventor

ASADA JUN-ICHI

JP9 patents

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

PANASONIC CORP

4 patents

US8406102B1Mar 26, 2013

Optical pickup and optical read/write apparatus

PANASONIC CORP8 citations82

US7796491B2Sep 14, 2010

Wavelength plate, optical element, and optical pickup

PANASONIC CORP2 citations61

US7463569B2Dec 9, 2008

Optical disk apparatus with a wavelength plate having a two-dimensional array of birefringent regions

PANASONIC CORP6 citations61

US7986607B2Jul 26, 2011

Wave plate, optical pickup and optical disc apparatus

PANASONIC CORP0 citations40

PANASONIC IP MAN CO LTD

2 patents

US9361927B2Jun 7, 2016

Optical pickup and optical recording and reproducing device

PANASONIC IP MAN CO LTD0 citations40

US9330705B2May 3, 2016

Optical recording and playback apparatus

PANASONIC IP MAN CO LTD0 citations39

TAKAHASHI YUICHI

2 patents

US8619522B2Dec 31, 2013

Optical pickup and optical read/write apparatus

TAKAHASHI YUICHI0 citations39

US8462596B2Jun 11, 2013

Optical pickup device and optical disc device

TAKAHASHI YUICHI0 citations38

ASADA JUN-ICHI

1 patent

US8659985B2Feb 25, 2014

Optical pickup and optical read/write drive

ASADA JUN-ICHI0 citations32