P

Inventor

NAGARA TORU

JP39 patents
⚠️ This page may combine multiple inventors who share the name “NAGARA TORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

24 patents
US6731584B1May 4, 2004

Optical information reproducing apparatus and method of setting the quantity of light in optical information reproducing apparatus

SONY CORP37 citations92
US6724793B2Apr 20, 2004

Laser diode drive circuit and amplifying circuit for optical disc recording and/or reproducing apparatus

SONY CORP35 citations92
US6407976B2Jun 18, 2002

Method for controlling laser light power, method for data recording into optical disc, and optical disc recording apparatus

SONY CORP51 citations92
US6147957ANov 14, 2000

Information recording/reproducing apparatus and method

SONY CORP29 citations91
US6842469B2Jan 11, 2005

Laser driving method and device, and recording/reproducing device and method

SONY CORP14 citations84
US10009646B2Jun 26, 2018

Image processing device, image reproduction device, and image reproduction system

SONY CORP2 citations73
US9536280B2Jan 3, 2017

Transmitting apparatus, receiving apparatus, transmitting method, receiving method, and transmitting and receiving system

SONY CORP2 citations65
US7372799B2May 13, 2008

Laser diode drive circuit and amplifying circuit for optical disc recording and/or reproducing apparatus

SONY CORP3 citations63
US7095764B2Aug 22, 2006

Laser driving method and laser driving device

SONY CORP5 citations63
US7035195B2Apr 25, 2006

Laser diode drive circuit and amplifying circuit for optical disc recording and/or reproducing apparatus

SONY CORP3 citations63
US6891875B2May 10, 2005

Optical disc device

SONY CORP6 citations63
US7218580B2May 15, 2007

Skew detection method, optical pickup, and optical disc device

SONY CORP2 citations53
US11314981B2Apr 26, 2022

Information processing system, information processing method, and program for displaying assistance information for assisting in creation of a marker

SONY CORP0 citations52
US10869081B2Dec 15, 2020

Image processing device, image reproduction device, and image reproduction system

SONY CORP0 citations52
US10085237B2Sep 25, 2018

Information processing device, wireless communication system, and information processing method

SONY CORP0 citations52
US10936141B2Mar 2, 2021

Information processing device and information processing method

SONY CORP0 citations49
US7590157B2Sep 15, 2009

Laser noise elimination circuit and optical disc device

SONY CORP0 citations48
US7319221B2Jan 15, 2008

Light-receiving device, optical pickup, and optical disc apparatus

SONY CORP0 citations48
US7149232B2Dec 12, 2006

Laser noise cancel circuit and optical disk device

SONY CORP1 citations48
US7006412B2Feb 28, 2006

Optical disk drive and optical disc recording method

SONY CORP0 citations42
US10503278B2Dec 10, 2019

Information processing apparatus and information processing method that controls position of displayed object corresponding to a pointing object based on positional relationship between a user and a display region

SONY CORP0 citations38
US8054725B2Nov 8, 2011

Optical disk apparatus

SONY CORP0 citations38
US7570562B2Aug 4, 2009

Optical disk unit

SONY CORP0 citations38
US7307930B2Dec 11, 2007

Optical disk apparatus

SONY CORP0 citations38

NAGARA TORU

9 patents

SONY GROUP CORP

5 patents

KOBAYASHI YOSHIHIRO

1 patent