Inventor · disambiguated record
Jun Hirai
Also filed as: HIRAI JUN · HIRAI Jun-ichi · NUMAKURA TOSHIHIKO
74 granted patents·31 pending applications·980 citations·filing 1977–2023
99Inventor score
Top patents by PatentIndex Score
105 records- 0194US6850619B1Copyright protection method, information signal processing system, information signal output apparatus, information signal processing apparatus, information signal output method, information signal processing method, and information signal recording mediumSONY CORP·Filed 2000·Granted Feb 1, 2005·73 cites·18 claims
- 0293US7856143B2Unauthorized copy preventing device and method thereof, and programSONY CORP·Filed 2005·Granted Dec 21, 2010·20 cites·26 claims
- 0387US6266480B1Apparatus and method for effectively inhibiting unauthorized copying of picture signals which does not interfere with an authorized display thereofSONY CORP·Filed 1997·Granted Jul 24, 2001·102 cites·22 claims
- 0486US9555486B2Multi-flute endmillMITSUBISHI HITACHI TOOL ENG LTD·Filed 2013·Granted Jan 31, 2017·8 cites·8 claims
- 0586US8018516B2Solid-state image sensor and signal processing method of samePANASONIC CORP·Filed 2009·Granted Sep 13, 2011·14 cites·12 claims
- 0686US6263506B1Data transmission and reception device and system, data transmission method and parameter setting method for data reception deviceSONY CORP·Filed 1997·Granted Jul 17, 2001·91 cites·33 claims
- 0784US7062068B2Data processing apparatus, data processing method, and programSONY CORP·Filed 2002·Granted Jun 13, 2006·19 cites·17 claims
- 0883US7720223B2System and method of content copy controlSONY CORP·Filed 2005·Granted May 18, 2010·4 cites·4 claims
- 0982US7386742B2Method and apparatus for controlling power to a first and second circuit based on an operational mode and connecting state of an information processing apparatusSONY CORP·Filed 2005·Granted Jun 10, 2008·9 cites·23 claims
- 1081US4291330AVideo signal processing circuit for eliminating an interfering signalSONY CORP·Filed 1979·Granted Sep 22, 1981·26 cites·8 claims
- 1179US5332916ATransmission gateROHM CO LTD·Filed 1992·Granted Jul 26, 1994·43 cites·19 claims
- 1277US11045664B2Resin laminate ridge filter for particle therapy system and manufacturing method thereofHITACHI LTD·Filed 2017·Granted Jun 29, 2021·1 cites·9 claims
- 1377US7409142B2Receiving apparatus, receiving method, and supplying mediumSONY CORP·Filed 2005·Granted Aug 5, 2008·4 cites·5 claims
- 1477US6813436B1Recording apparatus, recording method and recording medium for preventing illegal duplicationSONY CORP·Filed 2000·Granted Nov 2, 2004·12 cites·15 claims
- 1577US6115341ADigital signal recording method and apparatus and digital signal reproduction method and apparatusSONY CORP·Filed 1998·Granted Sep 5, 2000·52 cites·19 claims
- 1676US8629897B2Image processing device, image processing method, and programYAMASHITA NORIYUKI·Filed 2010·Granted Jan 14, 2014·3 cites·13 claims
- 1776US6324577B1Network management system for managing states of nodesTOSHIBA KK·Filed 1998·Granted Nov 27, 2001·88 cites·20 claims
- 1874US6577805B1Picture recording and reproducing apparatus and methodSONY CORP·Filed 1998·Granted Jun 10, 2003·24 cites·63 claims
- 1974US4134126AColor recorder having means for reducing luminance crosstalk in displayed imageSONY CORP·Filed 1977·Granted Jan 9, 1979·18 cites·53 claims
- 2073US9294759B2Display device, method and program capable of providing a high-quality stereoscopic (3D) image, independently of the eye-point location of the viewerSONY CORP·Filed 2012·Granted Mar 22, 2016·2 cites·6 claims
- 2173US7138671B2Solid-state image sensor with photoelectric conversion units each having a first conductive-type impurity region boundary non-coplanar with second conductive-type impurity region boundariesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Nov 21, 2006·3 cites·6 claims
- 2272US12442753B2Environment forming deviceESPEC CORP·Filed 2023·Granted Oct 14, 2025·0 cites·9 claims
- 2371US6839503B1Transfer apparatus and recording control system using a transfer control method selected based on a transfer rate of dataSONY CORP·Filed 1999·Granted Jan 4, 2005·21 cites·17 claims
- 2469US6933936B1Information processing apparatus, display control method, and recording mediumSONY CORP·Filed 2000·Granted Aug 23, 2005·11 cites·23 claims
- 2568US4180833AApparatus and method for reproducing video signalsSONY CORP·Filed 1978·Granted Dec 25, 1979·13 cites·5 claims
- 2666US7751912B2Replay apparatus and content evaluation methodSONY CORP·Filed 2004·Granted Jul 6, 2010·6 cites·22 claims
- 2765US6238488B1Method of cleaning film forming apparatus, cleaning system for carrying out the same and film forming systemTOKYO ELECTRON LTD·Filed 1999·Granted May 29, 2001·34 cites·18 claims
- 2864US8384828B2Video display device, video display method and systemSONY CORP·Filed 2009·Granted Feb 26, 2013·1 cites·6 claims
- 2963US8295636B2Gradation converting device, gradation converting method, and computer programTSUKAMOTO MAKOTO·Filed 2009·Granted Oct 23, 2012·1 cites·14 claims
- 3063US6873787B1Receiving apparatus, receiving method, and supplying mediumSONY CORP·Filed 2000·Granted Mar 29, 2005·4 cites·18 claims
- 3163US4513311AVideo signal processing unitSONY CORP·Filed 1982·Granted Apr 23, 1985·15 cites·22 claims
- 3262US6222978B1Video signal copy guard apparatus and methodSONY CORP·Filed 1997·Granted Apr 24, 2001·25 cites·1 claims
- 3361US8237741B2Image processing apparatus, image processing method, and image processing programSHIMADA MAKIKO·Filed 2008·Granted Aug 7, 2012·2 cites·12 claims
- 3461US7248784B1Signal conversion apparatus and methodSONY CORP·Filed 1999·Granted Jul 24, 2007·24 cites·54 claims
- 3560US4165518AVideo signal recording and/or reproducing apparatusSONY CORP·Filed 1977·Granted Aug 21, 1979·11 cites·68 claims
- 3660US2018098055A1Image processing device, method, and programSONY CORP·Filed 2017·Application pending·0 cites
- 3759US9579734B2Multi-flute endmillBABA MAKOTO·Filed 2011·Granted Feb 28, 2017·3 cites·14 claims
- 3859US7433488B2Information recording medium drive device, information processing apparatus, data replay control system, data replay control method, and computer programSONY CORP·Filed 2004·Granted Oct 7, 2008·5 cites·18 claims
- 3958US6450209B1Electric shedding device in weaving machineTSUDAKOMA IND CO LTD·Filed 2001·Granted Sep 17, 2002·2 cites·6 claims
- 4058US4131912AApparatus for recording and reproducing video signals on a magnetic tape movable at different speedsSONY CORP·Filed 1977·Granted Dec 26, 1978·10 cites·57 claims
- 4158US2010079482A1Gradation conversion device, gradation conversion method, and programSONY CORP·Filed 2009·Application pending·0 cites
- 4257US6701436B1Information reproducing and recording apparatus and method which permits copying for personal use while protecting a copyrightSONY CORP·Filed 1999·Granted Mar 2, 2004·12 cites·12 claims
- 4356US5541999AAudio apparatus having a karaoke functionROHM CO LTD·Filed 1995·Granted Jul 30, 1996·28 cites·6 claims
- 4456US2002091820A1Web audience analyzing method, computer program product, and web audience analysis systemFiled 2001·Application pending·0 cites
- 4555US8373697B2Gradation converting device, image processing apparatus, image processing method, and computer programSONY CORP·Filed 2009·Granted Feb 12, 2013·0 cites·16 claims
- 4655US7188247B2System and method of content copy controlSONY CORP·Filed 2001·Granted Mar 6, 2007·1 cites·38 claims
- 4755US5914754AVideo signal aspect ratio conversion apparatusSONY CORP·Filed 1995·Granted Jun 22, 1999·19 cites·17 claims
- 4855US2014098187A1Image processing device, image processing method, and programYAMASHITA NORIYUKI·Filed 2013·Application pending·0 cites
- 4955US2023273511A1ProjectorSEIKO EPSON CORP·Filed 2023·Application pending·0 cites
- 5054US2009175596A1Playback apparatus and methodSONY CORP·Filed 2009·Application pending·0 cites
Showing the top 50 of 105 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →