Inventor · disambiguated record
Kenmei Masuda
Also filed as: MASUDA KENMEI
23 granted patents·1 pending application·206 citations·filing 1987–2002
95Inventor score
Top patents by PatentIndex Score
24 records- 0179US5495371AMagnetic tape library device and method for maintaining magnetic recording and reproducing device and magnetic headHITACHI LTD·Filed 1993·Granted Feb 27, 1996·30 cites·11 claims
- 0275US6654194B1High reliability magneto-resistive head cleaning systemHITACHI LTD·Filed 2000·Granted Nov 25, 2003·10 cites·13 claims
- 0368US4789912AMagnetic recording and reproducing apparatus of rotary head typeHITACHI LTD·Filed 1987·Granted Dec 6, 1988·18 cites·5 claims
- 0464US6757123B2Method and apparatus for cleaning a magneto-resistive headEXABYTE CORP·Filed 2002·Granted Jun 29, 2004·5 cites·18 claims
- 0562US6108165ARotary drum equipment and recording/reproducing equipment using the sameHITACHI LTD·Filed 1998·Granted Aug 22, 2000·17 cites·36 claims
- 0662US5570831APneumatic static guide for a tapeHITACHI LTD·Filed 1993·Granted Nov 5, 1996·14 cites·10 claims
- 0760US5602695ACassette loading mechanism for recording and playback apparatusHITACHI LTD·Filed 1994·Granted Feb 11, 1997·12 cites·5 claims
- 0858US5617391AOptical recording and reproducing systemHITACHI LTD·Filed 1995·Granted Apr 1, 1997·15 cites·6 claims
- 0957US4814910ASmall sized magnetic recording and reproducing apparatus with improved rotating magnetic headHITACHI LTD·Filed 1987·Granted Mar 21, 1989·10 cites·7 claims
- 1056US5448427AMagnetic recording and reproducing apparatusHITACHI LTD·Filed 1990·Granted Sep 5, 1995·10 cites·3 claims
- 1153US5497279ATape cartridge and recording reproduction apparatus for the tape cartridgeHITACHI LTD·Filed 1994·Granted Mar 5, 1996·9 cites·4 claims
- 1251US5739976AMagnetic recording and reproducing apparatusHITACHI LTD·Filed 1995·Granted Apr 14, 1998·10 cites·2 claims
- 1350US5479312ATape 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
- 1448US5608585AMagnetic recording and reproducing apparatus with repositioning stop modeHITACHI LTD·Filed 1995·Granted Mar 4, 1997·8 cites·15 claims
- 1546US5978185ARotary head and recording/reading apparatus provided with rotary headHITACHI LTD·Filed 1996·Granted Nov 2, 1999·8 cites·57 claims
- 1642US5434735ARecording/playback apparatus for controlling contact between a head and a magnetic tape by controlled spouting of air in the vicinity of the headHITACHI LTD·Filed 1993·Granted Jul 18, 1995·5 cites·15 claims
- 1741US6867938B2Digital information reproducing apparatus using rotary magnetic headsHITACHI LTD·Filed 2002·Granted Mar 15, 2005·0 cites·10 claims
- 1841US6078464ADrum base on which a drum of a magnetic tape recorder is mountedHITACHI LTD·Filed 1996·Granted Jun 20, 2000·5 cites·12 claims
- 1941US4924329ARotary drum apparatus for a magnetic recording and reproducing deviceHITACHI LTD·Filed 1988·Granted May 8, 1990·5 cites·3 claims
- 2040US5812340AMagnetic tape recording and reproducing plug-in unitHITACHI LTD·Filed 1997·Granted Sep 22, 1998·5 cites·15 claims
- 2140US2003223141A1Recording/reproducting apparatus and recording/reproducing method using rotary magnetic headsHITACHI LTD·Filed 2002·Application pending·0 cites
- 2232US5734537ATape 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
- 2332US5687047AMagnetic tape cartridge having triple lid assemblyHITACHI MAXELL·Filed 1996·Granted Nov 11, 1997·1 cites·5 claims
- 2429US6061213AMagnetic tape cartridge having triple lid assemblyHITACHI MAXELL·Filed 1997·Granted May 9, 2000·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →