P

Inventor

MURAMATSU KATSUMI

JP31 patents
⚠️ This page may combine multiple inventors who share the name “MURAMATSU KATSUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

15 patents
US7661000B2Feb 9, 2010

Information processing device, information recording medium and information processing method, and computer program

SONY CORP66 citations98
US7917964B2Mar 29, 2011

Method and apparatus for processing information, method and apparatus for manufacturing information recording medium, information recording medium, and computer program

SONY CORP25 citations93
US7395429B2Jul 1, 2008

Mutual authentication method, program, recording medium, signal processing system, reproduction device, and information processing device

SONY CORP30 citations92
US7421742B2Sep 2, 2008

Signal processing system, recording method, program, recording medium, reproduction device and information processing device

SONY CORP13 citations84
US7248786B2Jul 24, 2007

Video signal processing apparatus, video signal playback apparatus, and video signal recording apparatus

SONY CORP8 citations74
US9037867B2May 19, 2015

Information processing apparatus, information storage medium, content management system, data processing method, and computer program

SONY CORP3 citations63
US8042188B2Oct 18, 2011

Information processing apparatus, information recording medium manufacturing apparatus, information recording medium, method and computer program

SONY CORP2 citations63
US8010806B2Aug 30, 2011

Information processing apparatus and method, information recording medium, and computer program

SONY CORP3 citations63
US7885512B2Feb 8, 2011

Information processing apparatus, information processing method, information recording medium, and computer program

SONY CORP5 citations63
US7826620B2Nov 2, 2010

Information processor, information processing method, and computer program

SONY CORP6 citations63
US7746738B2Jun 29, 2010

Data processing method, information recording medium manufacturing management system, recording data generation apparatus and method, and computer program

SONY CORP6 citations63
US9805173B2Oct 31, 2017

Information processing device, information storage device, server, information processing system, information processing method and medium for reproduction of encrypted content

SONY CORP1 citations52
US9363089B2Jun 7, 2016

Information processing apparatus, information storage apparatus, information processing system, and information processing method and program for controlling content use

SONY CORP0 citations52
US7694327B2Apr 6, 2010

Information processing apparatus, information recording medium, information processing method and computer program

SONY CORP1 citations52
US10515021B2Dec 24, 2019

Information processing to set usage permission in content

SONY CORP0 citations42

UEDA KENJIRO

5 patents

TAKASHIMA YOSHIKAZU

4 patents

KUNO HIROSHI

4 patents

KOITO MFG CO LTD

1 patent

NAGATA MINEHISA

1 patent

ONODA SENICHI

1 patent