Inventor · disambiguated record
Hikaru Mizutani
Also filed as: MIZUTANI HIKARU
26 granted patents·250 citations·filing 1984–2008
96Inventor score
Top patents by PatentIndex Score
26 records- 0185US5893527ASingle-reel tape cartridgeHITACHI MAXELL·Filed 1998·Granted Apr 13, 1999·49 cites·2 claims
- 0278US7027385B1Optical disk, disk substrate, and driveHITACHI MAXELL·Filed 1999·Granted Apr 11, 2006·30 cites·18 claims
- 0378US6739537B2Single-reel tape cartridge with leader locking mechanismHITACHI MAXELL·Filed 2001·Granted May 25, 2004·14 cites·15 claims
- 0469US6687216B1Cartridge in which disk is storedSANYO ELECTRIC CO·Filed 2000·Granted Feb 3, 2004·8 cites·2 claims
- 0565US5903541ADisc cartridge lid structureHITACHI MAXELL·Filed 1997·Granted May 11, 1999·18 cites·4 claims
- 0662US4556153AMagnetic recording tape cartridgeHITACHI MAXELL·Filed 1984·Granted Dec 3, 1985·30 cites·18 claims
- 0761US6874157B2Disk caseHITACHI LTD·Filed 2002·Granted Mar 29, 2005·5 cites·4 claims
- 0860US5946290ATamper-proof lid lock in disc cartridgeHITACHI MAXELL·Filed 1997·Granted Aug 31, 1999·15 cites·4 claims
- 0960US5602695ACassette loading mechanism for recording and playback apparatusHITACHI LTD·Filed 1994·Granted Feb 11, 1997·12 cites·5 claims
- 1059US5910941ADisc cartridge lid structureHITACHI MAXELL·Filed 1997·Granted Jun 8, 1999·14 cites·6 claims
- 1156US9311648B2Advertisement server device, advertisement display method, and advertisement server programMITSUI SHINGO·Filed 2008·Granted Apr 12, 2016·2 cites·20 claims
- 1254US4881696AMechanism for preventing loosening of tape in a tape cartridgeHITACHI MAXELL·Filed 1987·Granted Nov 21, 1989·9 cites·9 claims
- 1353US6431353B1Disc cartridge envelopeHITACHI MAXELL·Filed 2000·Granted Aug 13, 2002·2 cites·6 claims
- 1453US5497279ATape cartridge and recording reproduction apparatus for the tape cartridgeHITACHI LTD·Filed 1994·Granted Mar 5, 1996·9 cites·4 claims
- 1550US5479312ATape 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
- 1640US4933797AArrangement for preventing entrance of harmful particles for use in a cartridgeHITACHI MAXELL·Filed 1988·Granted Jun 12, 1990·4 cites·4 claims
- 1739US5503348AOpening and closing of a front lid of a tape cartridgeHITACHI MAXELL·Filed 1993·Granted Apr 2, 1996·3 cites·2 claims
- 1837USD435854SDisc cartridgeHITACHI MAXELL·Filed 1999·Granted Jan 2, 2001·3 cites·1 claims
- 1937US5537279ATape cassette and magnetic recording/reproducing deviceHITACHI MAXELL·Filed 1994·Granted Jul 16, 1996·3 cites·9 claims
- 2037US5454527ATape cartridgeHITACHI MAXELL·Filed 1993·Granted Oct 3, 1995·3 cites·17 claims
- 2134US5926454ADisc cartridge with slide shutter having catch piecesHITACHI MAXELL·Filed 1997·Granted Jul 20, 1999·2 cites·2 claims
- 2234US4875640ATape cartidgeHITACHI MAXELL·Filed 1988·Granted Oct 24, 1989·2 cites·3 claims
- 2333US5556051ATape cartridge having a front lid with a covering wallHITACHI MAXELL·Filed 1995·Granted Sep 17, 1996·1 cites·6 claims
- 2432US5687047AMagnetic tape cartridge having triple lid assemblyHITACHI MAXELL·Filed 1996·Granted Nov 11, 1997·1 cites·5 claims
- 2531US4741496ATape cartridgeHITACHI MAXELL·Filed 1986·Granted May 3, 1988·3 cites·17 claims
- 2629US6061213AMagnetic tape cartridge having triple lid assemblyHITACHI MAXELL·Filed 1997·Granted May 9, 2000·0 cites·8 claims
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