Inventor · disambiguated record
Hitoshi Kanamaru
Also filed as: KANAMARU HITOSHI
32 granted patents·691 citations·filing 1976–1996
98Inventor score
Top patents by PatentIndex Score
32 records- 0192US4093961AOptical reading apparatus with scanner light intensity controlPIONEER ELECTRONIC CORP·Filed 1976·Granted Jun 6, 1978·32 cites·2 claims
- 0291US5940505AInformation recording method and apparatus, function recording method and apparatus, and information reproducing method and apparatusPIONEER ELECTRONIC CORP·Filed 1996·Granted Aug 17, 1999·72 cites·16 claims
- 0390US4634853AOptical information reading apparatusPIONEER ELECTRONIC CORP·Filed 1984·Granted Jan 6, 1987·35 cites·10 claims
- 0485US4782402AVideo disk with multiplexed video and digital informationPIONEER ELECTRONIC CORP·Filed 1987·Granted Nov 1, 1988·46 cites·9 claims
- 0584US4855978AVideo/compact disk player having reduced track search timePIONEER ELECTRONIC CORP·Filed 1987·Granted Aug 8, 1989·31 cites·10 claims
- 0683US4800446AVideo disk recorded with video and digital data and recording/reproducing apparatus thereforPIONEER ELECTRONIC CORP·Filed 1986·Granted Jan 24, 1989·42 cites·4 claims
- 0780US4864428ADisk player having variable spindle speed for continuous audio in fast and slow reproduction modesPIONEER ELECTRONIC CORP·Filed 1988·Granted Sep 5, 1989·24 cites·6 claims
- 0880US4843484AInformation recording disc with composite index codes and its playback methodPIONEER ELECTRONIC CORP·Filed 1987·Granted Jun 27, 1989·36 cites·4 claims
- 0980US4625304AAutomatic loading disc playerPIONEER ELECTRONIC CORP·Filed 1984·Granted Nov 25, 1986·22 cites·8 claims
- 1080US4580779APicture information processing systemPIONEER VIDEO CORP·Filed 1982·Granted Apr 8, 1986·63 cites·9 claims
- 1179US4630134ASystem for recording and reproducing multiplex informationPIONEER ELECTRONIC CORP·Filed 1983·Granted Dec 16, 1986·20 cites·17 claims
- 1278US4198657AOptical disk reader with means for correcting errors due to eccentricity and time axis variationsPIONEER ELECTRONIC CORP·Filed 1976·Granted Apr 15, 1980·18 cites·3 claims
- 1376US4768104AVideo disk recorder and playback unitPIONEER ELECTRONIC CORP·Filed 1986·Granted Aug 30, 1988·30 cites·32 claims
- 1474US4961116AMethod of, and apparatus for, facilitating sychronization of recorded audio and video informationPIONEER ELECTRONIC CORP·Filed 1987·Granted Oct 2, 1990·28 cites·11 claims
- 1572US4858024AApparatus for reproducing frequency-division multiplexed video FM and digital audio signalsPIONEER ELECTRONIC CORP·Filed 1988·Granted Aug 15, 1989·24 cites·8 claims
- 1672US4680744ADisc player having pick-up tilt servo system combined with disc presence detection circuitsPIONEER ELECTRONIC CORP·Filed 1985·Granted Jul 14, 1987·18 cites·4 claims
- 1768US5241399AMethod of recording and reproducing digital and video data relating to a moving picture on and from a two-region recording diskPIONEER ELECTRONIC CORP·Filed 1991·Granted Aug 31, 1993·28 cites·10 claims
- 1867US4334301AOptical reading apparatus with scanner light intensity controlPIONEER ELECTRONIC CORP·Filed 1980·Granted Jun 8, 1982·11 cites·2 claims
- 1965US4860122ADevice for reproducing a sequence of still pictures with an audio portion and without motion pictures between successive still picturesPIONEER ELECTRONIC CORP·Filed 1988·Granted Aug 22, 1989·19 cites·17 claims
- 2065US4273998AServo unit for optical type information reading deviceUNIVERSAL PIONEER CORP·Filed 1979·Granted Jun 16, 1981·11 cites·6 claims
- 2163US4476499AVideo disc recording and reproducing systemUNIVERSAL PIONEER CORP·Filed 1983·Granted Oct 9, 1984·24 cites·9 claims
- 2254US4422103ADevice for reducing the effect of time base variations in video disc playerUNIVERSAL PIONEER CORP·Filed 1981·Granted Dec 20, 1983·8 cites·7 claims
- 2353US4839746AInformation reproduction method for complex and CD disksPIONEER ELECTRONIC CORP·Filed 1987·Granted Jun 13, 1989·11 cites·5 claims
- 2446US4868679AMethod of recording and reproducing color video signalsPIONEER ELECTRONIC CORP·Filed 1988·Granted Sep 19, 1989·8 cites·6 claims
- 2544US4287413AAutomatic focus servomechanism in optical information reading deviceUNIVERSAL PIONEER CORP·Filed 1979·Granted Sep 1, 1981·7 cites·8 claims
- 2643US4855847AVideo disk reproducing device having improved motor speed controlPIONEER ELECTRONIC CORP·Filed 1988·Granted Aug 8, 1989·5 cites·4 claims
- 2742US4491877ACross-talk detector in information-carrying disc playerPIONEER VIDEO CORP·Filed 1982·Granted Jan 1, 1985·4 cites·6 claims
- 2841US4736355ADigital audio data reproduction apparatusPIONEER ELECTRONIC CORP·Filed 1984·Granted Apr 5, 1988·5 cites·7 claims
- 2937US4665442ACross-talk eliminating device in information-carrying disc playerPIONEER VIDEO CORP·Filed 1984·Granted May 12, 1987·2 cites·7 claims
- 3037US4425583AVideo disc player having time base variations eliminated in both audio and video signalsUNIVERSAL PIONEER CORP·Filed 1981·Granted Jan 10, 1984·4 cites·6 claims
- 3132US4864427ADisk reproducing method and apparatus for disks with different video bandwidthsPIONEER ELECTRONIC CORP·Filed 1987·Granted Sep 5, 1989·2 cites·12 claims
- 3231US4516160AInformation recording and reproducing systemUNIVERSAL PIONEER CORP·Filed 1982·Granted May 7, 1985·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →