P

Inventor

NAGATOMI KENJI

JP56 patents
⚠️ This page may combine multiple inventors who share the name “NAGATOMI KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SANYO ELECTRIC CO

17 patents
US7969853B2Jun 28, 2011

Optical pickup device

SANYO ELECTRIC CO11 citations84
US7486712B2Feb 3, 2009

Semiconductor laser apparatus, method of manufacturing semiconductor laser apparatus, and optical pickup apparatus

SANYO ELECTRIC CO11 citations84
US8054733B2Nov 8, 2011

Optical pickup device

SANYO ELECTRIC CO2 citations63
US8023387B2Sep 20, 2011

Optical pickup device

SANYO ELECTRIC CO2 citations62
US7916612B2Mar 29, 2011

Optical pickup apparatus and focal-point adjusting method

SANYO ELECTRIC CO4 citations62
US7801011B2Sep 21, 2010

Optical pickup device and optical disk apparatus

SANYO ELECTRIC CO2 citations62
US7609606B2Oct 27, 2009

Optical pickup device

SANYO ELECTRIC CO1 citations52
US7525897B2Apr 28, 2009

Optical pickup device

SANYO ELECTRIC CO0 citations52
US7209415B2Apr 24, 2007

Optical pickup device and recording and/or reproducing device

SANYO ELECTRIC CO1 citations52
US8345528B2Jan 1, 2013

Optical pickup device

SANYO ELECTRIC CO0 citations42
US7903507B2Mar 8, 2011

Optical pickup device and method of laying out the same

SANYO ELECTRIC CO0 citations42
US7782735B2Aug 24, 2010

Optical pickup device capable of handling a plurality of laser light beams having different wavelengths

SANYO ELECTRIC CO0 citations42
US7420894B2Sep 2, 2008

Optical pickup device

SANYO ELECTRIC CO0 citations42
US7990836B2Aug 2, 2011

Optical pickup apparatus, focal-point adjusting method, and optical disc apparatus

SANYO ELECTRIC CO0 citations41
US7990835B2Aug 2, 2011

Optical pickup apparatus, focal-point adjusting method, and optical disc apparatus

SANYO ELECTRIC CO0 citations41
US7852735B2Dec 14, 2010

Optical pickup device

SANYO ELECTRIC CO0 citations41
US7801012B2Sep 21, 2010

Optical pickup device and optical disk apparatus

SANYO ELECTRIC CO0 citations41

PANASONIC IP MAN CO LTD

15 patents

NAGATOMI KENJI

10 patents

NAKATANI MORIO

3 patents

PANASONIC CORP

3 patents

HATA MASAYUKI

1 patent

SANYOELECTRIC CO LTD

1 patent

Showing the top 50 of 56 patents by PatentIndex Score.