Inventor · disambiguated record
Tomiyuki Numata
Also filed as: NUMATA TOMIYUKI
18 granted patents·3 pending applications·248 citations·filing 1988–2022
94Inventor score
Top patents by PatentIndex Score
21 records- 0188US5315571AInformation recording and reproducing device providing faster access time to a recording mediumSHARP KK·Filed 1993·Granted May 24, 1994·44 cites·14 claims
- 0284US5729517AData detecting circuitSHARP KK·Filed 1996·Granted Mar 17, 1998·43 cites·21 claims
- 0384US5434829AInformation reproducing apparatus for properly synchronizing the reproducing of recorded informationSHARP KK·Filed 1993·Granted Jul 18, 1995·35 cites·14 claims
- 0479US5831953AOptical disk device using an optical pickup as a read mechanism for detecting a thickness of the substrate of an optical diskSHARP KK·Filed 1996·Granted Nov 3, 1998·35 cites·9 claims
- 0574US5101386ATrack jumping apparatus for an optical disk pickupSHARP KK·Filed 1989·Granted Mar 31, 1992·19 cites·5 claims
- 0673US7369479B2Optical miniaturized module, optical pickup device, and optical disk device provided with light source and photodetectorSHARP KK·Filed 2005·Granted May 6, 2008·2 cites·11 claims
- 0766US5170389ASemiconductor laser driving circuit with control circuit power voltage monitor for preventing inadvertent recordingSHARP KK·Filed 1990·Granted Dec 8, 1992·23 cites·8 claims
- 0860US6967917B1Optical disk and optical disk apparatus using spatially separated grooves and lands for recording tracksSHARP KK·Filed 2000·Granted Nov 22, 2005·4 cites·2 claims
- 0959US8050154B2Drive control apparatus, drive control method and optical pickup apparatusSHARP KK·Filed 2009·Granted Nov 1, 2011·0 cites·16 claims
- 1057US5084848AFeedback control apparatus in an optical recording and reproducing deviceSHARP KK·Filed 1989·Granted Jan 28, 1992·10 cites·7 claims
- 1154US7206351B2Signal evaluation devices and signal evaluation methods, signal quality evaluation methods and reproducing devices and recording devicesSHARP KK·Filed 2002·Granted Apr 17, 2007·8 cites·38 claims
- 1251US5010540AApparatus for recording and reproducing information on and from an optical diskSHARP KK·Filed 1988·Granted Apr 23, 1991·8 cites·5 claims
- 1351US2008144476A1Optical pickup apparatus and photodetectorSHARP KK·Filed 2007·Application pending·0 cites
- 1450US5008888ASemiconductor laser driving apparatusSHARP KK·Filed 1989·Granted Apr 16, 1991·8 cites·5 claims
- 1539US2024251525A1Ebullition cooling deviceLOTUS THERMAL SOLUTION INC·Filed 2022·Application pending·0 cites
- 1639US2024237290A1Heat sink structureLOTUS THERMAL SOLUTION INC·Filed 2022·Application pending·0 cites
- 1738US5383174AOptical disk apparatusSHARP KK·Filed 1992·Granted Jan 17, 1995·3 cites·21 claims
- 1836US5056076AMethod for controlling the rotational velocity of an information recording diskSHARP KK·Filed 1990·Granted Oct 8, 1991·3 cites·12 claims
- 1935US11510337B2Fan-equipped heatsinkLOTUS THERMAL SOLUTION INC·Filed 2019·Granted Nov 22, 2022·0 cites·5 claims
- 2033US4993012ARecord face identifying device for magneto-optic record mediumSHARP KK·Filed 1988·Granted Feb 12, 1991·2 cites·14 claims
- 2131US5018120AOptical recording medium track indexing systemSHARP KK·Filed 1988·Granted May 21, 1991·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →