Inventor · disambiguated record
Shigeo Terashima
Also filed as: TERASHIMA SHIGEO
53 granted patents·1,234 citations·filing 1981–1999
99Inventor score
Top patents by PatentIndex Score
53 records- 0196US5420838ADisk recording and reproducing deviceSHARP KK·Filed 1993·Granted May 30, 1995·94 cites·20 claims
- 0296US5182741AOptical disk recording/reproducing device utilizing a constant angular velocity method with a constant linear velocity formatted optical diskSHARP KK·Filed 1990·Granted Jan 26, 1993·87 cites·32 claims
- 0392US5153861ARecording/reproducing deviceSHARP KK·Filed 1989·Granted Oct 6, 1992·52 cites·30 claims
- 0490US5612840AMagnetic spring arm assembly including structure for preventing damage to a conductive layer resulting from bendingFUJITSU LTD·Filed 1994·Granted Mar 18, 1997·68 cites·11 claims
- 0589US4696566AThree-dimensional driving arrangementSHARP KK·Filed 1985·Granted Sep 29, 1987·34 cites·1 claims
- 0688US5315571AInformation recording and reproducing device providing faster access time to a recording mediumSHARP KK·Filed 1993·Granted May 24, 1994·44 cites·14 claims
- 0787US4862443ASync signal detection apparatus for accurately synchronizing reproduced dataSHARP KK·Filed 1987·Granted Aug 29, 1989·34 cites·3 claims
- 0886US5432768AMethod and device for data management in optical recording mediumSHARP KK·Filed 1993·Granted Jul 11, 1995·33 cites·1 claims
- 0985US5278814AApparatus for recording and reproducing information on and from an optical diskSHARP KK·Filed 1990·Granted Jan 11, 1994·37 cites·13 claims
- 1084US5361247AInformation recording and reproducing device with reproduction and automatic gain control circuitSHARP KK·Filed 1990·Granted Nov 1, 1994·35 cites·29 claims
- 1179US5673250AOptical recording medium having pit rows on every other boundary and reproducing method thereofSHARP KK·Filed 1995·Granted Sep 30, 1997·26 cites·16 claims
- 1279US5434991AMethod and apparatus for recording and reproducing information in black on a rewritable recording mediumSHARP KK·Filed 1991·Granted Jul 18, 1995·84 cites·6 claims
- 1379US5142521ARecording/reproducing deviceSHARP KK·Filed 1990·Granted Aug 25, 1992·28 cites·45 claims
- 1479US5010539AOptical disk device for storing both analog and discrete data and which utilizes both CLV and CAV techniquesSHARP KK·Filed 1989·Granted Apr 23, 1991·24 cites·8 claims
- 1579US5001732ATrack counter for optical diskSHARP KK·Filed 1989·Granted Mar 19, 1991·22 cites·20 claims
- 1679US4409469AOptical bar code readerSHARP KK·Filed 1981·Granted Oct 11, 1983·52 cites·3 claims
- 1778US5581521ADevice for controlling the motor of a recording and reproducing apparatusSHARP KK·Filed 1995·Granted Dec 3, 1996·33 cites·13 claims
- 1878US5377167ARecording/reproducing deviceSHARP KK·Filed 1993·Granted Dec 27, 1994·26 cites·50 claims
- 1978US4920437ADisc clamping deviceSHARP KK·Filed 1987·Granted Apr 24, 1990·23 cites·4 claims
- 2077US5200941AOptical retrieval system for encoding pit angular data and optical recording element thereofSHARP KK·Filed 1989·Granted Apr 6, 1993·18 cites·3 claims
- 2177US4849953ATracking circuit for an optical information recording and reproducing apparatusSHARP KK·Filed 1986·Granted Jul 18, 1989·21 cites·9 claims
- 2276US5093820AOptical disk recording/reproducing deviceSHARP KK·Filed 1990·Granted Mar 3, 1992·24 cites·22 claims
- 2375US5301174AOptical disk recording and reproducing apparatusSHARP KK·Filed 1990·Granted Apr 5, 1994·24 cites·16 claims
- 2474US6058100AOptical recording medium having pit rowsSHARP KK·Filed 1997·Granted May 2, 2000·21 cites·20 claims
- 2574US5274617AMethod and device for data management in an optical recording mediumSHARP KK·Filed 1990·Granted Dec 28, 1993·22 cites·21 claims
- 2674US5196978ACartridge caseSHARP KK·Filed 1987·Granted Mar 23, 1993·20 cites·12 claims
- 2769US5210733AInformation recording and reproducing device employing variable data recording clock ratesSHARP KK·Filed 1991·Granted May 11, 1993·18 cites·4 claims
- 2869US4924447AOptical memory device for recording, reproducing or erasing information onto a recording medium, including a recorded region detecting circuit.SHARP KK·Filed 1987·Granted May 8, 1990·12 cites·4 claims
- 2968US5546364AMagneto-optical memory apparatus utilizing edges or recording mark to manage dataSHARP KK·Filed 1994·Granted Aug 13, 1996·17 cites·22 claims
- 3066US6129855AMethod of manufacturing magnetic head slider, and guide plate used thereforFUJITSU LTD·Filed 1997·Granted Oct 10, 2000·27 cites·18 claims
- 3166US5311490AAccess controlling device for use in an optical disk driveSHARP KK·Filed 1991·Granted May 10, 1994·16 cites·8 claims
- 3266US5170389ASemiconductor laser driving circuit with control circuit power voltage monitor for preventing inadvertent recordingSHARP KK·Filed 1990·Granted Dec 8, 1992·23 cites·8 claims
- 3365US4999824AMagneto-optical memory deviceSHARP KK·Filed 1989·Granted Mar 12, 1991·10 cites·2 claims
- 3462US5134607AOptical memory system for generating a timing control signal for detecting a recorded region through a playback signalSHARP KK·Filed 1990·Granted Jul 28, 1992·10 cites·6 claims
- 3560US5331623AOptical retrieval system for encoding pit angular data and optical recording element thereforSHARP KK·Filed 1992·Granted Jul 19, 1994·10 cites·17 claims
- 3658US5907525AMagneto-optical disk, optical pickup, and magneto-optical disk driveSHARP KK·Filed 1997·Granted May 25, 1999·11 cites·15 claims
- 3758US4766584AThree-dimensional driving arrangementSHARP KK·Filed 1987·Granted Aug 23, 1988·9 cites·2 claims
- 3856US5293280AMagnetic recording and reproduction apparatus for data processing unit and magnetic tape for use in such apparatusSHARP KK·Filed 1991·Granted Mar 8, 1994·11 cites·16 claims
- 3955US5553043AInformation regenerating apparatusSHARP KK·Filed 1994·Granted Sep 3, 1996·11 cites·3 claims
- 4054US6511365B2Lapping machineFUJITSU LTD·Filed 1999·Granted Jan 28, 2003·10 cites·19 claims
- 4151US5010540AApparatus for recording and reproducing information on and from an optical diskSHARP KK·Filed 1988·Granted Apr 23, 1991·8 cites·5 claims
- 4250US5740153AMagneto-optical disk, optical pickup, and magneto-optical disk driveSHARP KK·Filed 1997·Granted Apr 14, 1998·7 cites·8 claims
- 4349US4954903ADigital signal reproduction apparatus for reading magneto-optical disksSHARP KK·Filed 1988·Granted Sep 4, 1990·6 cites·3 claims
- 4447US5048004AOptical recording medium recording and reproducing deviceSHARP KK·Filed 1989·Granted Sep 10, 1991·6 cites·16 claims
- 4547US4906874AAnalog signal switching device for use in an optical memorySHARP KK·Filed 1989·Granted Mar 6, 1990·6 cites·7 claims
- 4647US4678276AObjective lens drive/support mechanism in an optical disc playerSHARP KK·Filed 1984·Granted Jul 7, 1987·5 cites·5 claims
- 4742US5724319AMagneto-optical recording apparatus having transient response correction for magnetic head coil currentsSHARP KK·Filed 1995·Granted Mar 3, 1998·5 cites·26 claims
- 4838US4910479AAutomatic gain control device for use in an optical memory deviceSHARP KK·Filed 1989·Granted Mar 20, 1990·3 cites·10 claims
- 4936US5166838ADigital signal reproduction apparatus for reading magneto-optical discsSHARP KK·Filed 1990·Granted Nov 24, 1992·2 cites·8 claims
- 5036US5056076AMethod for controlling the rotational velocity of an information recording diskSHARP KK·Filed 1990·Granted Oct 8, 1991·3 cites·12 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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