P

Inventor

YUZAWA KEIJI

JP29 patents
⚠️ This page may combine multiple inventors who share the name “YUZAWA KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

20 patents
US6128009AOct 3, 2000

Program guide controller

SONY CORP243 citations98
US6005601ADec 21, 1999

Apparatus for and method of controlling display of electronic program guide

SONY CORP231 citations98
US5301352AApr 5, 1994

Satellite broadcast receiving system and change-over divider for use in same

SONY CORP131 citations98
US5886691AMar 23, 1999

Display control method for display having buttons representing selectable voting items in which only marks assigned to selected items continue to be displayed upon selection

SONY CORP164 citations97
US6792007B1Sep 14, 2004

Data transmission apparatus and method, data receiving apparatus and method, and data transmission and reception system and method

SONY CORP59 citations96
US5565805AOct 15, 1996

Change-over divider for use in satellite broadcast receiving system

SONY CORP61 citations96
US7076150B2Jul 11, 2006

Information transmitting device and method, information terminal device and information terminal receiving method, digital broadcast receiving device and method, and output time calculating device and method

SONY CORP22 citations92
US7454780B2Nov 18, 2008

Service providing system and method

SONY CORP55 citations91
US6549528B2Apr 15, 2003

Data transmission device, reception device, data transmission system, and data transmission method

SONY CORP13 citations84
US7359620B2Apr 15, 2008

Information transmitting method, information processing method and apparatus, and information recording and reproducing method and apparatus

SONY CORP10 citations83
US5670902ASep 23, 1997

Satellite broadcast receiving system and change-over divider for use in same

SONY CORP17 citations82
US7548555B2Jun 16, 2009

Data transmission apparatus and method, data receiving apparatus and method, and data transmission and reception system and method

SONY CORP5 citations74
US6363061B1Mar 26, 2002

Data transmission device, reception device, data transmission system, and data transmission method

SONY CORP13 citations74
US7840644B2Nov 23, 2010

Information distribution system, information receiving apparatus, information list forming method, information deleting method, and information storing method

SONY CORP5 citations63
US7024684B2Apr 4, 2006

Digital signal receiver and digital signal display method

SONY CORP4 citations63
US4843289AJun 27, 1989

Digital control bus system

SONY CORP4 citations59
US8374195B2Feb 12, 2013

Data transmission apparatus and method, data receiving apparatus and method, and data transmission and reception system and method

SONY CORP0 citations52
US7996915B2Aug 9, 2011

Data transmission apparatus and method, data receiving apparatus and method, and data transmission and reception system and method

SONY CORP0 citations52
US10560424B2Feb 11, 2020

Apparatus and method

SONY CORP0 citations42
US7146634B2Dec 5, 2006

Digital signal receiver and digital signal display method

SONY CORP0 citations42

CASIO COMPUTER CO LTD

3 patents

SATURN LICENSING LLC

3 patents

NISHIO FUMIHIKO

1 patent

INOUE HAJIME

1 patent

YUZAWA KEIJI

1 patent