Inventor · disambiguated record
Keiichi Totsuka
Also filed as: TOTSUKA KEIICHI
24 granted patents·2 pending applications·1,767 citations·filing 1987–2012
97Inventor score
Files withSONY CORP19SHIMIZU NAOTO2KONDO TETSUJIRO1NAGASHIMA TOSHIMICHI1SONY CORP SONY ELECTRONIC INC1
Top patents by PatentIndex Score
26 records- 0198US5457448ASelf-standing mini remote commanderSONY ELECTRONICS INC·Filed 1993·Granted Oct 10, 1995·203 cites·12 claims
- 0297US6282713B1Method and apparatus for providing on-demand electronic advertisingSONY CORP·Filed 1998·Granted Aug 28, 2001·754 cites·54 claims
- 0397USD342947SRadio tunerSONY CORP·Filed 1991·Granted Jan 4, 1994·73 cites·1 claims
- 0495US7202773B1Authentication information communication system and method, portable information processing device and program furnishing mediumSONY CORP·Filed 2000·Granted Apr 10, 2007·319 cites·19 claims
- 0593US7493636B2Method and apparatus for providing electronic couponsSONY CORP SONY ELECTRONIC INC·Filed 2005·Granted Feb 17, 2009·62 cites·20 claims
- 0693US7181024B1Portable audio listening apparatusSONY CORP·Filed 2000·Granted Feb 20, 2007·66 cites·8 claims
- 0784USD392976SCombined loudspeaker and stand with subwooferSONY CORP·Filed 1997·Granted Mar 31, 1998·28 cites·1 claims
- 0883USD670293SDigital reader coverSHIMIZU NAOTO·Filed 2011·Granted Nov 6, 2012·41 cites·1 claims
- 0981USD670287SDigital readerSHIMIZU NAOTO·Filed 2011·Granted Nov 6, 2012·28 cites·1 claims
- 1081US6262763B1Actual size image displaySONY CORP·Filed 1999·Granted Jul 17, 2001·71 cites·25 claims
- 1181USD327269SRadio receiverSONY CORP·Filed 1989·Granted Jun 23, 1992·18 cites·1 claims
- 1279US8102333B2Display device securing mechanism and display system that rotates display devices around a rotational axisKONDO TETSUJIRO·Filed 2006·Granted Jan 24, 2012·18 cites·12 claims
- 1371USD321513SCombined tape player and radio tunerSONY CORP·Filed 1989·Granted Nov 12, 1991·13 cites·1 claims
- 1470USD342520SCombined radio tuner and clockSONY CORP·Filed 1991·Granted Dec 21, 1993·14 cites·1 claims
- 1568USD392974SSubwoofer loudspeakerSONY CORP·Filed 1997·Granted Mar 31, 1998·14 cites·1 claims
- 1664USD400201STelevision receiverSONY CORP·Filed 1997·Granted Oct 27, 1998·12 cites·1 claims
- 1761USD392973SCombined loudspeaker and standSONY CORP·Filed 1997·Granted Mar 31, 1998·11 cites·1 claims
- 1854USD707744SPortable digital cameraSONY CORP·Filed 2012·Granted Jun 24, 2014·8 cites·1 claims
- 1954USD695330SPortable digital cameraSONY CORP·Filed 2012·Granted Dec 10, 2013·8 cites·1 claims
- 2044US2001013125A1Method and apparatus for providing on-demand electronic advertisingSONY CORP·Filed 2001·Application pending·0 cites
- 2143US2002059590A1Method and apparatus for providing advertising linked to a scene of a programSONY ELECTRONICS·Filed 2001·Application pending·0 cites
- 2242US8074242B2System and method for information supply and apparatuses thereforNAGASHIMA TOSHIMICHI·Filed 2007·Granted Dec 6, 2011·0 cites·17 claims
- 2340US6222809B1Compact disc player with lid for displaying compact disc jacket artSONY CORP·Filed 1998·Granted Apr 24, 2001·4 cites·11 claims
- 2439US7225457B2Information supply apparatus, information utilization apparatus, information manipulation apparatus, information supply system, information supply method, information utilization method and recording mediumSONY CORP·Filed 2000·Granted May 29, 2007·0 cites·27 claims
- 2535USD399845SLoudspeaker with removable grille clothSONY CORP·Filed 1997·Granted Oct 20, 1998·2 cites·1 claims
- 2625USD308202STelevision receiverSONY CORP·Filed 1987·Granted May 29, 1990·0 cites·1 claims
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