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.
Join the waitlist — get patent alerts
Get an alert when Shigeo Terashima 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 →