Inventor · disambiguated record
Junichi Yoshio
Also filed as: SAWABE TAKAO · YOSHIO JUNICHI
95 granted patents·2 pending applications·4,711 citations·filing 1981–2013
99Inventor score
Top patents by PatentIndex Score
97 records- 0199US6212330B1Information record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 1997·Granted Apr 3, 2001·618 cites·8 claims
- 0299US6137954AInformation record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 1997·Granted Oct 24, 2000·318 cites·19 claims
- 0398US6215952B1Information record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 1997·Granted Apr 10, 2001·409 cites·37 claims
- 0496US6031962AInformation record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 1997·Granted Feb 29, 2000·100 cites·15 claims
- 0594US7295762B2Information record medium having first and second recording layers in which mid areas are recorded respectively, and apparatus for recording the samePIONEER ELECTRIC CORP·Filed 2003·Granted Nov 13, 2007·47 cites·21 claims
- 0694US5966352AInformation recording medium with interleaved data, apparatus for recording same and apparatus for reproducing samePIONEER ELECTRONIC CORP·Filed 1997·Granted Oct 12, 1999·87 cites·20 claims
- 0794US5960152AInformation record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 1997·Granted Sep 28, 1999·79 cites·9 claims
- 0894US5282186AMethod and apparatus for recording and reproducing picture information and recording mediumPIONEER ELECTRONIC CORP·Filed 1993·Granted Jan 25, 1994·80 cites·16 claims
- 0993US6597861B1Information record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 1999·Granted Jul 22, 2003·62 cites·25 claims
- 1093US6148138AInformation record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 1997·Granted Nov 14, 2000·175 cites·15 claims
- 1193US5729516AInformation recording medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC COPORATION·Filed 1997·Granted Mar 17, 1998·199 cites·9 claims
- 1293US5130816AMethod and apparatus for recording and reproducing information including plural channel audio signalsPIONEER ELECTRONIC CORP·Filed 1989·Granted Jul 14, 1992·91 cites·11 claims
- 1392US6266478B1Information record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 1999·Granted Jul 24, 2001·61 cites·20 claims
- 1491US6236804B1Information record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 1997·Granted May 22, 2001·52 cites·22 claims
- 1591US6088506AInformation record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRIC CORP·Filed 1997·Granted Jul 11, 2000·120 cites·14 claims
- 1691US5446714ADisc changer and player that reads and stores program data of all discs prior to reproduction and method of reproducing music on the samePIONEER ELECTRONIC CORP·Filed 1993·Granted Aug 29, 1995·106 cites·7 claims
- 1790US6567612B2Information record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 2001·Granted May 20, 2003·27 cites·18 claims
- 1890US6108281AAccessing control for optical recording device capable of performing time searchPIONEER ELECTRONIC CORP·Filed 1999·Granted Aug 22, 2000·52 cites·17 claims
- 1990US5742569AInformation record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 1997·Granted Apr 21, 1998·132 cites·13 claims
- 2090US4899326AMagazine-housed disk playerPIONEER ELECTRONIC CORP·Filed 1987·Granted Feb 6, 1990·45 cites·9 claims
- 2189US6108486AInformation record medium, apparatus for recording the same and apparatus for reproducing the same enabling easy access to informationPIONEER ELECTRONIC CORP·Filed 1997·Granted Aug 22, 2000·120 cites·10 claims
- 2289US6034942AInformation record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 1999·Granted Mar 7, 2000·48 cites·19 claims
- 2389US5889746AInformation recording medium, apparatus for recording the same and apparatus for reproducing the samePIONEER LDC INC·Filed 1997·Granted Mar 30, 1999·87 cites·11 claims
- 2489US4953035AMethod of recording and reproducing picture information, recording medium, and recording medium playing apparatusPIONEER ELECTRONIC CORP·Filed 1988·Granted Aug 28, 1990·61 cites·5 claims
- 2588US6396997B2Information record medium wherein navigation information is recorded, apparatus for recording information including navigation information and apparatus for reproducing information according to navigation informationPIONEER ELECTRONIC CORP·Filed 2001·Granted May 28, 2002·17 cites·5 claims
- 2688US6014495AInformation record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 1997·Granted Jan 11, 2000·49 cites·12 claims
- 2788US5065252AMethod and apparatus for recording and reproducing picture information enabling the mixing of images of a video format signal and graphic codes recorded on a single recording mediumPIONEER ELECTRONIC CORP·Filed 1989·Granted Nov 12, 1991·64 cites·7 claims
- 2888US4996679ASubcode information and block identification system for a disc playerPIONEER ELECTRONIC CORP·Filed 1989·Granted Feb 26, 1991·35 cites·3 claims
- 2987US6157769AInformation record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 1997·Granted Dec 5, 2000·81 cites·30 claims
- 3087US6122434AInformation recording medium, having data and management portions, and an apparatus for reproducing information from the mediumPIONEER ELECTRONIC CORP·Filed 1999·Granted Sep 19, 2000·40 cites·14 claims
- 3187US5043826AMethod and apparatus for recording and reproducing picture information and timely reproducing images by graphic codesPIONEER ELECTRONIC CORP·Filed 1989·Granted Aug 27, 1991·59 cites·7 claims
- 3287US5016113AApparatus for reproducing and processing picture information including graphic codes from a recording mediumPIONEER ELECTRONIC CORP·Filed 1988·Granted May 14, 1991·55 cites·5 claims
- 3387US5010417APlayback method for use in a recording medium playing apparatus using information control signalsPIONEER ELECTRONIC CORP·Filed 1988·Granted Apr 23, 1991·57 cites·5 claims
- 3486US7181298B1Information converting method, information converting apparatus and information reproducing apparatusPIONEER CORP·Filed 2000·Granted Feb 20, 2007·26 cites·21 claims
- 3586US6757483B1Information recording medium with aggregate attribute information recorded in video manager, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 2000·Granted Jun 29, 2004·26 cites·55 claims
- 3686US6501903B1Information record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 2000·Granted Dec 31, 2002·23 cites·27 claims
- 3786US6067282AInformation recording medium, apparatus for recording the same and apparatus for recording the samePIONEER ELECTRONIC CORP·Filed 1999·Granted May 23, 2000·39 cites·8 claims
- 3886US4885644ASpindle servo device for data recording disk reproducing apparatusPIONEER ELECTRONIC CORP·Filed 1988·Granted Dec 5, 1989·35 cites·2 claims
- 3985US5936925AInformation record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 1997·Granted Aug 10, 1999·39 cites·13 claims
- 4085US5063551AMethod and apparatus of recording and reproducing picture information and recording mediumPIONEER ELECTRONIC CORP·Filed 1989·Granted Nov 5, 1991·49 cites·10 claims
- 4185US4989097AApparatus for reproducing and processing picture information from a recording mediumPIONEER ELECTRONIC CORP·Filed 1988·Granted Jan 29, 1991·49 cites·3 claims
- 4285US4937576ADither circuit responsive to zero input signal levelPIONEER ELECTRONIC CORP·Filed 1989·Granted Jun 26, 1990·42 cites·11 claims
- 4384US4872068ADisk playing method resulting in reduced start-up timePIONEER ELECTRONIC CORP·Filed 1988·Granted Oct 3, 1989·48 cites·6 claims
- 4482US5933569AInformation recording medium apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 1997·Granted Aug 3, 1999·33 cites·10 claims
- 4582US4707817AMethod of generating tracking servo signal for optical disc playback apparatusPIONEER ELECTRONIC CORP·Filed 1985·Granted Nov 17, 1987·27 cites·3 claims
- 4681US6335910B1Information recording apparatus capable of avoiding erroneous recording of information in the event of external disturbances due to movementPIONEER ELECTRONIC CORP·Filed 1999·Granted Jan 1, 2002·37 cites·41 claims
- 4781US5805537AInformation record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 1997·Granted Sep 8, 1998·36 cites·9 claims
- 4880US7330643B2Information record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 2003·Granted Feb 12, 2008·13 cites·50 claims
- 4979US7783158B2Information record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 2005·Granted Aug 24, 2010·4 cites·24 claims
- 5078US6006004AInformation record medium, apparatus for recording the same and apparatus for reproducing the samePIONEER ELECTRONIC CORP·Filed 1997·Granted Dec 21, 1999·43 cites·15 claims
Showing the top 50 of 97 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Junichi Yoshio files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →