Inventor · disambiguated record
Kazuo Hiraguchi
Also filed as: HIRAGUCHI KAZUO
162 granted patents·18 pending applications·527 citations·filing 1997–2022
99Inventor score
Top patents by PatentIndex Score
180 records- 0188US7104486B2Recording tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2003·Granted Sep 12, 2006·23 cites·20 claims
- 0288US6964391B2Recording tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2003·Granted Nov 15, 2005·24 cites·14 claims
- 0388US6742738B2Recording tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2002·Granted Jun 1, 2004·24 cites·20 claims
- 0487US6913219B2Recording tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2003·Granted Jul 5, 2005·15 cites·5 claims
- 0587US6736345B2Recording tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2002·Granted May 18, 2004·16 cites·4 claims
- 0686US7690594B2Recording tape cartridgeFUJIFILM CORP·Filed 2008·Granted Apr 6, 2010·7 cites·9 claims
- 0786US7475839B2Recording tape cartridgeFUJIFILM CORP·Filed 2008·Granted Jan 13, 2009·7 cites·14 claims
- 0886US6981586B2Magnetic tape cassette storage caseFUJI PHOTO FILM CO LTD·Filed 2002·Granted Jan 3, 2006·14 cites·17 claims
- 0985US7354016B2ReelFUJIFILM CORP·Filed 2005·Granted Apr 8, 2008·6 cites·25 claims
- 1085US7322540B2Recording tape cartridgeFUJIFILM CORP·Filed 2006·Granted Jan 29, 2008·6 cites·19 claims
- 1184US7562839B2Recording tape cartridgeFUJIFILM CORP·Filed 2007·Granted Jul 21, 2009·6 cites·14 claims
- 1284US7316367B2Recording tape cartridgeFUJIFILM CORP·Filed 2005·Granted Jan 8, 2008·5 cites·20 claims
- 1383US6869037B2Recording tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2003·Granted Mar 22, 2005·16 cites·17 claims
- 1481US7559500B2Recording tape cartridgeFUJIFILM CORP·Filed 2008·Granted Jul 14, 2009·4 cites·8 claims
- 1581US6826773B2Disc cartridgeFUJI PHOTO FILM CO LTD·Filed 2002·Granted Nov 30, 2004·14 cites·8 claims
- 1679US7398940B2Leader tape, method for manufacturing the same, and magnetic tape cartridgeFUJIFILM CORP·Filed 2005·Granted Jul 15, 2008·3 cites·19 claims
- 1779US7350731B2Recording tape cartridgeFUJIFILM CORP·Filed 2004·Granted Apr 1, 2008·12 cites·19 claims
- 1878US7520462B2Recording tape cartridgeFUJIFILM CORP·Filed 2008·Granted Apr 21, 2009·3 cites·10 claims
- 1977US7997519B2Recording tape cartridgeFUJIFILM CORP·Filed 2008·Granted Aug 16, 2011·3 cites·18 claims
- 2077US7145751B2Recording media cartridge having a memory accessible from multiple directionsFUJI PHOTO FILM CO LTD·Filed 2005·Granted Dec 5, 2006·2 cites·12 claims
- 2176US7471487B2Recording medium cartridgeFUJIFILM CORP·Filed 2007·Granted Dec 30, 2008·2 cites·2 claims
- 2276US7124973B2Drive deviceFUJI PHOTO FILM CO LTD·Filed 2004·Granted Oct 24, 2006·10 cites·20 claims
- 2376US6857591B2Recording tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2003·Granted Feb 22, 2005·7 cites·4 claims
- 2475US7175123B2Recording tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2004·Granted Feb 13, 2007·10 cites·31 claims
- 2575US7059554B2Recording tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2004·Granted Jun 13, 2006·10 cites·22 claims
- 2675US6739539B2Recording tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2002·Granted May 25, 2004·10 cites·23 claims
- 2774US7530518B2Recording tape cartridgeFUJIFILM CORP·Filed 2007·Granted May 12, 2009·2 cites·5 claims
- 2874US7416148B2Recording tape cartridgeFUJIFILM CORP·Filed 2007·Granted Aug 26, 2008·2 cites·19 claims
- 2974US7237740B2Recording tape cartridgeFUJIFILM CORP·Filed 2006·Granted Jul 3, 2007·2 cites·5 claims
- 3073US7306182B2Recording tape cartridgeFUJIFILM CORP·Filed 2005·Granted Dec 11, 2007·2 cites·12 claims
- 3172US7104488B2Gripped part structure of recording tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2003·Granted Sep 12, 2006·8 cites·18 claims
- 3272US6816340B2Disk cartridgeFUJI PHOTO FILM CO LTD·Filed 2002·Granted Nov 9, 2004·8 cites·12 claims
- 3371US6958887B2Recording media cartridge having a memory accessible from multiple directionsFUJI PHOTO FILM CO LTD·Filed 2003·Granted Oct 25, 2005·6 cites·14 claims
- 3471US6856486B2Recording medium cartridgeFUJI PHOTO FILM CO LTD·Filed 2001·Granted Feb 15, 2005·8 cites·10 claims
- 3570US7438249B2Recording medium cartridge and fabrication method thereofFUJIFILM CORP·Filed 2007·Granted Oct 21, 2008·1 cites·11 claims
- 3670US7032853B2Recording tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2004·Granted Apr 25, 2006·7 cites·22 claims
- 3770US6983908B2Recording tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2003·Granted Jan 10, 2006·7 cites·15 claims
- 3870US6883740B2Tape drive deviceFUJI PHOTO FILM CO LTD·Filed 2003·Granted Apr 26, 2005·7 cites·17 claims
- 3970US6826145B2Disk cartridge and drive device having a cleaning linerFUJI PHOTO FILM CO LTD·Filed 2002·Granted Nov 30, 2004·7 cites·15 claims
- 4070US6772430B2Cartridge housing a recording medium and drive device for recording mediumFUJI PHOTO FILM CO LTD·Filed 2002·Granted Aug 3, 2004·6 cites·11 claims
- 4169US7360982B2Structure for holding recording tape cartridge and method of manufacturing said structureFUJIFILM CORP·Filed 2003·Granted Apr 22, 2008·7 cites·12 claims
- 4269US6764038B2Magnetic tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2002·Granted Jul 20, 2004·6 cites·14 claims
- 4368US7360734B2Recording tape cartridge and plate springFUJIFILM CORP·Filed 2005·Granted Apr 22, 2008·1 cites·10 claims
- 4468US6758428B1Tape reel for use in magnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 2000·Granted Jul 6, 2004·7 cites·5 claims
- 4568US6622952B2Magnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 2002·Granted Sep 23, 2003·5 cites·5 claims
- 4667US7677488B2Recording tape cartridgeFUJIFILM CORP·Filed 2004·Granted Mar 16, 2010·6 cites·19 claims
- 4767US7100857B2Recording tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2004·Granted Sep 5, 2006·6 cites·16 claims
- 4867US6908056B2Recording tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2003·Granted Jun 21, 2005·6 cites·18 claims
- 4967US6866216B2CartridgeFUJI PHOTO FILM CO LTD·Filed 2003·Granted Mar 15, 2005·6 cites·20 claims
- 5067US6719231B2Tape drive deviceFUJI PHOTO FILM CO LTD·Filed 2002·Granted Apr 13, 2004·6 cites·24 claims
Showing the top 50 of 180 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →