Inventor · disambiguated record
Hiroshi Fuji
Also filed as: FUJI HIROSHI
79 granted patents·8 pending applications·1,223 citations·filing 1982–2022
99Inventor score
Files withSHARP KK65INT SUPERCONDUCTIVITY TECH4AGENCY IND SCIENCE TECHN2KOMATSU MFG CO LTD2NAT INST OF ADVANCED IND SCIEN2
Top patents by PatentIndex Score
87 records- 0194US5852599AOptical recording medium and optical recording/reproducing device, and manufacturing method of optical recording mediumSHARP KK·Filed 1997·Granted Dec 22, 1998·71 cites·10 claims
- 0292US5537381ATest-writing recording control method and test-writing recording control apparatus and optical recording mediumSHARP KK·Filed 1994·Granted Jul 16, 1996·58 cites·32 claims
- 0391US5617400AMagneto-optical recording and reproducing apparatus with layer aperture controlSHARP KK·Filed 1995·Granted Apr 1, 1997·70 cites·27 claims
- 0490US6687195B2Magnetic recording head and magnetic recording deviceSHARP KK·Filed 2001·Granted Feb 3, 2004·29 cites·19 claims
- 0590US6661745B1Optical reproducing and recording method, recording medium, and optical deviceAGENCY IND SCIENCE TECHN·Filed 2000·Granted Dec 9, 2003·28 cites·26 claims
- 0688US10802503B2Control system of transporter vehicle, transporter vehicle, and control method of transporter vehicleKOMATSU MFG CO LTD·Filed 2017·Granted Oct 13, 2020·6 cites·7 claims
- 0786US7307923B2Electro magnetic field generating element, information recording and reproducing head and information recording and reproducing deviceSHARP KK·Filed 2004·Granted Dec 11, 2007·20 cites·19 claims
- 0885US5278814AApparatus for recording and reproducing information on and from an optical diskSHARP KK·Filed 1990·Granted Jan 11, 1994·37 cites·13 claims
- 0984US6956808B2Optical device and optical sensorSHARP KK·Filed 2003·Granted Oct 18, 2005·17 cites·8 claims
- 1084US5361247AInformation recording and reproducing device with reproduction and automatic gain control circuitSHARP KK·Filed 1990·Granted Nov 1, 1994·35 cites·29 claims
- 1183US6407968B1Optical information recording/reproducing apparatus having focus error signal compensationSHARP KK·Filed 1998·Granted Jun 18, 2002·40 cites·29 claims
- 1281US6610632B2Tape-formed oxide superconductorINT SUPERCONDUCTIVITY TECH·Filed 2001·Granted Aug 26, 2003·29 cites·21 claims
- 1381US6288992B1Optical reproducing device and optical memory mediumSHARP KABUSHIKI KAISAH·Filed 1998·Granted Sep 11, 2001·32 cites·9 claims
- 1479US6847592B2Optical reproducing device and optical memory mediumSHARP KK·Filed 2001·Granted Jan 25, 2005·11 cites·4 claims
- 1579US5010539AOptical 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
- 1679US4843604ABeam controller for magneto-optical disc memory systemSHARP KK·Filed 1986·Granted Jun 27, 1989·21 cites·4 claims
- 1778US5715217AMethod and apparatus for tracking correction and optical disk for use thereinSHARP KK·Filed 1996·Granted Feb 3, 1998·31 cites·21 claims
- 1878US5694386AInterpolating gain amplifier for information reproducing apparatusSHARP KK·Filed 1994·Granted Dec 2, 1997·27 cites·9 claims
- 1977US6876603B2Information write/read head including an optical slit having a light emitting section whose width is shorter than a light beam diffraction limitSHARP KK·Filed 2001·Granted Apr 5, 2005·11 cites·22 claims
- 2077US6125085AOptical recording method and device for optimally controlling the width of the recording marksSHARP KK·Filed 1998·Granted Sep 26, 2000·29 cites·43 claims
- 2177US5638350AMultibeam recording/reproducing apparatus in which direction of movement of plurality of light beams is determined based on order in which each of light beams crosses trackSHARP KK·Filed 1994·Granted Jun 10, 1997·24 cites·17 claims
- 2276US6741549B2Optical recording medium and optical recording and reproduction apparatusSHARP KK·Filed 2001·Granted May 25, 2004·11 cites·20 claims
- 2376US5315567AOptical disk formatting system using index mark detecting circuitSHARP KK·Filed 1991·Granted May 24, 1994·25 cites·9 claims
- 2476US5107473AOptical recording/reproducing device using permissible ranges for the value of an automatic gain control voltageSHARP KK·Filed 1990·Granted Apr 21, 1992·24 cites·11 claims
- 2576US5093820AOptical disk recording/reproducing deviceSHARP KK·Filed 1990·Granted Mar 3, 1992·24 cites·22 claims
- 2675US6172956B1Optical recording medium and optical recording/reproducing device, and manufacturing method of optical recording mediumSHARP KK·Filed 1998·Granted Jan 9, 2001·23 cites·5 claims
- 2773US6667146B1Optical recording medium and reproducing method thereforSHARP KK·Filed 2000·Granted Dec 23, 2003·9 cites·22 claims
- 2873US6310846B1Method for controlling the recording conditions for a second mark using previously determined reproducing conditions for a first mark for optical memory deviceSHARP KK·Filed 1998·Granted Oct 30, 2001·23 cites·28 claims
- 2972US5459705AOptical recording medium driving apparatus capable of accurately detecting position of optical headSHARP KK·Filed 1992·Granted Oct 17, 1995·20 cites·6 claims
- 3072US5377054ADigital information reproducing apparatusSHARP KK·Filed 1993·Granted Dec 27, 1994·20 cites·10 claims
- 3171US5604725AInformation recording method and collector and distributor for recording informationSHARP KK·Filed 1994·Granted Feb 18, 1997·18 cites·4 claims
- 3270US6707549B2Molecular sensor and raman spectroscopy processTDK CORP·Filed 2002·Granted Mar 16, 2004·8 cites·21 claims
- 3369US5465248ADeflecting a light beam in the same direction and speed of a recording medium by a rotating polygon or a holographic diskSHARP KK·Filed 1993·Granted Nov 7, 1995·17 cites·20 claims
- 3469US5210733AInformation recording and reproducing device employing variable data recording clock ratesSHARP KK·Filed 1991·Granted May 11, 1993·18 cites·4 claims
- 3569US4924447AOptical 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
- 3669US4412850AElectric dust collectorNEAT SHUJINKI KOGYO KABUSHIKI·Filed 1982·Granted Nov 1, 1983·30 cites·1 claims
- 3768US5546364AMagneto-optical memory apparatus utilizing edges or recording mark to manage dataSHARP KK·Filed 1994·Granted Aug 13, 1996·17 cites·22 claims
- 3868US4935915ABeam controller for magneto-optical disc memory systemSHARP KK·Filed 1989·Granted Jun 19, 1990·13 cites·1 claims
- 3967US6804822B2Magnetic recording medium and magnetic recording apparatus using sameSHARP KK·Filed 2002·Granted Oct 12, 2004·6 cites·23 claims
- 4067US6392970B1Reproducing light quantity control method for optical memory device, and reproducing light quantity control device, and optical recording mediumSHARP KK·Filed 1998·Granted May 21, 2002·19 cites·12 claims
- 4167US5548570AOptical reproducing circuit having, a binarized signal pulse compensation circuitSHARP KK·Filed 1995·Granted Aug 20, 1996·21 cites·26 claims
- 4265US4999824AMagneto-optical memory deviceSHARP KK·Filed 1989·Granted Mar 12, 1991·10 cites·2 claims
- 4364US7394338B2Superconducting coilIWAKUMA MASATAKA·Filed 2006·Granted Jul 1, 2008·5 cites·14 claims
- 4463US5483513ARecording state detecting apparatus and optical recording mediumSHARP KK·Filed 1994·Granted Jan 9, 1996·13 cites·17 claims
- 4562US5359466AMagnetic head driving circuit with impedance elements to balance auxiliary coil loadsSHARP KK·Filed 1992·Granted Oct 25, 1994·13 cites·18 claims
- 4662US5134607AOptical 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
- 4761US5311493AData reproduction circuit for converting a read analog signalSHARP KK·Filed 1991·Granted May 10, 1994·13 cites·14 claims
- 4860US2025008939A1Irradiation device and irradiation methodUNIV OSAKA·Filed 2022·Application pending·0 cites
- 4959US7582261B2Electricity supplying device, electricity supplying apparatus, sample detection device, and sample detection apparatusSHARP KABUHSIKI KAISHA·Filed 2004·Granted Sep 1, 2009·2 cites·7 claims
- 5059US5365507ALight-amount control device for an optical-disk recording-reproduction apparatusSHARP KK·Filed 1993·Granted Nov 15, 1994·11 cites·19 claims
Showing the top 50 of 87 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →