Inventor · disambiguated record
Hidekazu Takeda
Also filed as: TAKEDA HIDEKAZU
27 granted patents·5 pending applications·192 citations·filing 1986–2015
96Inventor score
Top patents by PatentIndex Score
32 records- 0180US5124854ACassette loading apparatus having an inner cassette holder supported on an outer cassette holderHITACHI LTD·Filed 1990·Granted Jun 23, 1992·34 cites·7 claims
- 0275US6654194B1High reliability magneto-resistive head cleaning systemHITACHI LTD·Filed 2000·Granted Nov 25, 2003·10 cites·13 claims
- 0372US8073312B2Recorder equipped with dubbing functionYOSHIMARU TAKASHI·Filed 2005·Granted Dec 6, 2011·3 cites·4 claims
- 0464US6757123B2Method and apparatus for cleaning a magneto-resistive headEXABYTE CORP·Filed 2002·Granted Jun 29, 2004·5 cites·18 claims
- 0564US5119257ARotary head device having a motor within the rotary drum, and magnetic recording and reproducing apparatus using the sameHITACHI LTD·Filed 1990·Granted Jun 2, 1992·16 cites·9 claims
- 0662US5570831APneumatic static guide for a tapeHITACHI LTD·Filed 1993·Granted Nov 5, 1996·14 cites·10 claims
- 0762US4748521AMagnetic recording/reproducing apparatus for recording onto or reproducing from a magnetic tapeHITACHI LTD·Filed 1986·Granted May 31, 1988·11 cites·6 claims
- 0860US5602695ACassette loading mechanism for recording and playback apparatusHITACHI LTD·Filed 1994·Granted Feb 11, 1997·12 cites·5 claims
- 0957US5315460AMagnetic recording and reproducing apparatus including S fixed chassis for supporting a head drum and a movable chassis for mounting a tape cassetteHITACHI LTD·Filed 1993·Granted May 24, 1994·12 cites·7 claims
- 1053US5497279ATape cartridge and recording reproduction apparatus for the tape cartridgeHITACHI LTD·Filed 1994·Granted Mar 5, 1996·9 cites·4 claims
- 1150US5479312ATape cartridge system implementing variable sized tape cartridges designed for use on the same recording/reproducing apparatusHITACHI MAXELL·Filed 1994·Granted Dec 26, 1995·8 cites·5 claims
- 1249US5278707ATape loading mechanism for magnetic recording and/or reproducing apparatusHITACHI LTD·Filed 1991·Granted Jan 11, 1994·8 cites·24 claims
- 1349US5065264ACapstan arrangement for a magnetic recording/reproduction apparatusHITACHI LTD·Filed 1990·Granted Nov 12, 1991·8 cites·3 claims
- 1446US5978185ARotary head and recording/reading apparatus provided with rotary headHITACHI LTD·Filed 1996·Granted Nov 2, 1999·8 cites·57 claims
- 1546US2010098422A1Optical communication apparatus and method of controlling semiconductor optical amplifierFUJITSU LTD·Filed 2009·Application pending·0 cites
- 1643US9455789B2Optical reception apparatus, and control apparatus and control method of optical reception apparatusFUJITSU OPTICAL COMPONENTS LTD·Filed 2015·Granted Sep 27, 2016·0 cites·7 claims
- 1742US5295637ACassette lid-locking element with shutter portion for closing a light passage windowHITACHI MAXELL·Filed 1992·Granted Mar 22, 1994·5 cites·3 claims
- 1842US5016125ATape loading mechanism for a magnetic recording/reproducing apparatusHITACHI LTD·Filed 1989·Granted May 14, 1991·5 cites·13 claims
- 1941US6078464ADrum base on which a drum of a magnetic tape recorder is mountedHITACHI LTD·Filed 1996·Granted Jun 20, 2000·5 cites·12 claims
- 2040US5469319AMagnetic tape cassette having tape edge regulating membersHITACHI LTD·Filed 1994·Granted Nov 21, 1995·4 cites·2 claims
- 2140US2005168875A1Rotary magnetic head drum apparatusHITACHI LTD·Filed 2004·Application pending·0 cites
- 2240US2003223141A1Recording/reproducting apparatus and recording/reproducing method using rotary magnetic headsHITACHI LTD·Filed 2002·Application pending·0 cites
- 2339US5503348AOpening and closing of a front lid of a tape cartridgeHITACHI MAXELL·Filed 1993·Granted Apr 2, 1996·3 cites·2 claims
- 2439US2010295839A1Image Display DeviceHITACHI CONSUMER ELECTRONICS·Filed 2010·Application pending·0 cites
- 2537US5537279ATape cassette and magnetic recording/reproducing deviceHITACHI MAXELL·Filed 1994·Granted Jul 16, 1996·3 cites·9 claims
- 2637US5454527ATape cartridgeHITACHI MAXELL·Filed 1993·Granted Oct 3, 1995·3 cites·17 claims
- 2734US4943874ATape tension controller for a cassette recording/playback apparatusHITACHI LTD·Filed 1988·Granted Jul 24, 1990·3 cites·7 claims
- 2833US5556051ATape cartridge having a front lid with a covering wallHITACHI MAXELL·Filed 1995·Granted Sep 17, 1996·1 cites·6 claims
- 2932US5734537ATape guide structure of rotary head drum in recording/reproduction apparatus and method of machining the sameHITACHI LTD·Filed 1996·Granted Mar 31, 1998·1 cites·17 claims
- 3032US5687047AMagnetic tape cartridge having triple lid assemblyHITACHI MAXELL·Filed 1996·Granted Nov 11, 1997·1 cites·5 claims
- 3129US6061213AMagnetic tape cartridge having triple lid assemblyHITACHI MAXELL·Filed 1997·Granted May 9, 2000·0 cites·8 claims
- 3229US2010257156A1Moving picture indexing method and moving picture reproducing deviceHIROI KAZUSHIGE·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →