Inventor · disambiguated record
Masahiko Chaya
Also filed as: CHAYA MASAHIKO
20 granted patents·286 citations·filing 1988–2008
95Inventor score
Top patents by PatentIndex Score
20 records- 0190US5128919AApparatus for reproducing an optically recorded informationSONY CORP·Filed 1988·Granted Jul 7, 1992·40 cites·13 claims
- 0284US8272795B2Cartridge and printerTANABE MINORU·Filed 2008·Granted Sep 25, 2012·9 cites·5 claims
- 0381US5361242AExternal magnetic field application device including a heat dissipation member and a metal plate for dissipating heatCANON KK·Filed 1993·Granted Nov 1, 1994·31 cites·18 claims
- 0475US5268784APivotable mirror device for trackingCANON KK·Filed 1993·Granted Dec 7, 1993·23 cites·8 claims
- 0571US6737190B2Electronic apparatusCANON KK·Filed 2001·Granted May 18, 2004·9 cites·13 claims
- 0670US5305151AObjective lens driverCANON KK·Filed 1993·Granted Apr 19, 1994·20 cites·14 claims
- 0769US5979755AAuto-changerCANON KK·Filed 1995·Granted Nov 9, 1999·22 cites·2 claims
- 0869US5604719AMagnetooptical information recording/reproducing method and apparatus employing a floating slider supporting a magnetic headCANON KK·Filed 1994·Granted Feb 18, 1997·18 cites·21 claims
- 0965US5590095AMagneto-optical disk apparatus with floating type magnetic head and a device for limiting an amount of deflection of a resilient member supporting the magnetic headCANON KK·Filed 1994·Granted Dec 31, 1996·15 cites·25 claims
- 1064US5046061AOptical light beam scanner with zero order beam reflectorSONY CORP·Filed 1988·Granted Sep 3, 1991·13 cites·4 claims
- 1161US5157650AOptical recording apparatusSONY CORP·Filed 1991·Granted Oct 20, 1992·25 cites·3 claims
- 1257US5731929ADisk recording/reproduction apparatus with disk clamp mechanism comprising a caddie holding a first disk and a spindle centering a second diskCANON KK·Filed 1996·Granted Mar 24, 1998·13 cites·2 claims
- 1354US5872766ADevice for adjusting the preload of a plate spring for an optical pickup apparatusCANON KK·Filed 1997·Granted Feb 16, 1999·11 cites·4 claims
- 1448US5818666ALinear drive motor apparatus for adjusting the relative position between and second yokes of a pair of magnetic circuitsCANON KK·Filed 1996·Granted Oct 6, 1998·8 cites·2 claims
- 1547US5625607AMagneto-optical disk apparatus including two magnetic field applying devices, one of which has a substantial ring-shaped core member with a gap in a portion thereofCANON KK·Filed 1995·Granted Apr 29, 1997·8 cites·12 claims
- 1645US5594708AMagnetooptical disc apparatus with magnetic headCANON KK·Filed 1995·Granted Jan 14, 1997·7 cites·8 claims
- 1743US5485434AMagneto-optical disk apparatus for recording and/or reproducing information using modulated and constant magnetic field applying devicesCANON KK·Filed 1993·Granted Jan 16, 1996·5 cites·22 claims
- 1843US5161146ADisc cleaning deviceCANON KK·Filed 1990·Granted Nov 3, 1992·6 cites·9 claims
- 1934US5138603ASystem and method for processing optical information with tracking error compensatedSONY CORP·Filed 1988·Granted Aug 11, 1992·2 cites·9 claims
- 2031US5208793AOptical disk apparatus including a braking device for frictionally suppressing movement of an optical head carriageCANON KK·Filed 1991·Granted May 4, 1993·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →