Inventor · disambiguated record
Teruo Ashikawa
Also filed as: ASHIKAWA TERUO
38 granted patents·9 pending applications·141 citations·filing 1992–2022
96Inventor score
Top patents by PatentIndex Score
47 records- 0193US7533840B2Reel and recording tape cartridgeFUJIFILM CORP·Filed 2007·Granted May 19, 2009·16 cites·25 claims
- 0293US7347397B2Reel and recording tape cartridgeFUJIFILM CORP·Filed 2007·Granted Mar 25, 2008·17 cites·30 claims
- 0390US7516913B2Cartridge case for magnetic tape cartridge and magnetic tape cartridgeFUJIFILM CORP·Filed 2007·Granted Apr 14, 2009·11 cites·7 claims
- 0481US6556379B2Magnetic tape cassette, window member and resin molding productFUJI PHOTO FILM CO LTD·Filed 2002·Granted Apr 29, 2003·13 cites·4 claims
- 0580US7832683B2Reel and manufacturing method thereofFUJIFILM CORP·Filed 2007·Granted Nov 16, 2010·6 cites·12 claims
- 0678US8006930B2ReelFUJIFILM CORP·Filed 2007·Granted Aug 30, 2011·3 cites·12 claims
- 0776US6643096B2Magnetic tape cassette having improved positioningFUJI PHOTO FILM CO LTD·Filed 2001·Granted Nov 4, 2003·7 cites·18 claims
- 0875US7568654B2ReelFUJIFILM CORP·Filed 2007·Granted Aug 4, 2009·2 cites·9 claims
- 0972US7857250B2Recording tape cartridge and rotation locking structureFUJIFILM CORP·Filed 2009·Granted Dec 28, 2010·2 cites·14 claims
- 1070US5782355ACassette caseFUJI PHOTO FILM CO LTD·Filed 1997·Granted Jul 21, 1998·22 cites·12 claims
- 1160US5560482AMagnetic tape cassette-accommodating case having an easily deformable index cardFUJI PHOTO FILM CO LTD·Filed 1995·Granted Oct 1, 1996·14 cites·7 claims
- 1258US12396368B2Piezoelectric elementFUJIFILM CORP·Filed 2022·Granted Aug 19, 2025·0 cites·19 claims
- 1358US7301728B2Recording medium cartridge having an accommodation portion for a noncontact-type memoryFUJIFILM CORP·Filed 2006·Granted Nov 27, 2007·0 cites·10 claims
- 1458US6821469B2Method of manufacturing a rollerFUJI PHOTO FILM CO LTD·Filed 2002·Granted Nov 23, 2004·2 cites·17 claims
- 1556US12075211B2Laminated piezoelectric element and electroacoustic transducerFUJIFILM CORP·Filed 2022·Granted Aug 27, 2024·0 cites·20 claims
- 1656US2023026623A1Laminated piezoelectric element and electroacoustic transducerFUJIFILM CORP·Filed 2022·Application pending·0 cites
- 1755US9076496B2Tape cleaning device and drive deviceFUJIFILM CORP·Filed 2014·Granted Jul 7, 2015·0 cites·10 claims
- 1855US6515829B1Magnetic tape cassette, window opening having a build-up portion constructionFUJI PHOTO FILM CO LTD·Filed 2000·Granted Feb 4, 2003·2 cites·4 claims
- 1954US9147432B2Head cleaning device and drive deviceFUJIFILM CORP·Filed 2014·Granted Sep 29, 2015·0 cites·15 claims
- 2052US11895463B2Piezoelectric elementFUJIFILM CORP·Filed 2022·Granted Feb 6, 2024·0 cites·16 claims
- 2152US7126791B2Recording medium cartridge having an accommodation portion for a noncontact-type memoryFUJI PHOTO FILM CO LTD·Filed 2001·Granted Oct 24, 2006·1 cites·14 claims
- 2250US2022271215A1Laminated piezoelectric elementFUJIFILM CORP·Filed 2022·Application pending·0 cites
- 2349US2023007400A1Laminated piezoelectric elementFUJIFILM CORP·Filed 2022·Application pending·0 cites
- 2447US6855285B2Magnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 2003·Granted Feb 15, 2005·0 cites·4 claims
- 2546US6804084B2Magnetic tape cassette having reduced friction against tape reelsFUJI PHOTO FILM CO LTD·Filed 2003·Granted Oct 12, 2004·0 cites·7 claims
- 2645US6863233B2Magnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 2003·Granted Mar 8, 2005·0 cites·4 claims
- 2745US6817561B2Magnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 2003·Granted Nov 16, 2004·0 cites·2 claims
- 2845US2003099064A1Magnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 2002·Application pending·0 cites
- 2945US2003086205A1Magnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 2002·Application pending·0 cites
- 3045US2006138007A1Storage case for tape cassetteFUJI PHOTO FILM CO LTD·Filed 2005·Application pending·0 cites
- 3144US7316314B2Tape cassette storing case with stacking ribsFUJIFILM CORP·Filed 2004·Granted Jan 8, 2008·0 cites·15 claims
- 3244US7073741B2Magnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 2003·Granted Jul 11, 2006·0 cites·6 claims
- 3343US7187522B2Tape cassetteFUJI PHOTO FILM CO LTD·Filed 2003·Granted Mar 6, 2007·0 cites·2 claims
- 3443US6954336B2Recording tape cassette having an approved reel lock memberFUJI PHOTO FILM CO LTD·Filed 2003·Granted Oct 11, 2005·0 cites·10 claims
- 3543US6923396B2Recording tape cassetteFUJI PHOTO FILM CO LTD·Filed 2003·Granted Aug 2, 2005·0 cites·8 claims
- 3643US6853516B2Recording tape cassetteFUJI PHOTO FILM CO LTD·Filed 2003·Granted Feb 8, 2005·0 cites·20 claims
- 3743US2002056780A1Magnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 2002·Application pending·0 cites
- 3843US2002056779A1Magnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 2002·Application pending·0 cites
- 3943US2002056781A1Magnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 2002·Application pending·0 cites
- 4042US6866215B1Magnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 2000·Granted Mar 15, 2005·0 cites·7 claims
- 4142US5586654ACassette accommodating caseFUJI PHOTO FILM CO LTD·Filed 1994·Granted Dec 24, 1996·4 cites·16 claims
- 4241US6515828B1Magnetic tape cassette with position regulating ribFUJI PHOTO FILM CO LTD·Filed 1999·Granted Feb 4, 2003·5 cites·4 claims
- 4338US5785176ACassette accommodating caseFUJI PHOTO FILM CO LTD·Filed 1996·Granted Jul 28, 1998·3 cites·7 claims
- 4438US5662854AMethod for manufacturing a magnetic tape cassette accommodating caseFUJI PHOTO FILM CO LTD·Filed 1993·Granted Sep 2, 1997·6 cites·8 claims
- 4537US5323904AMagnetic tape cassette accommodating case and method and apparatus for manufacturing sameFUJI PHOTO FILM CO LTD·Filed 1992·Granted Jun 28, 1994·5 cites·5 claims
- 4631US6719232B1Magnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 1999·Granted Apr 13, 2004·0 cites·4 claims
- 4730US6407887B1Magnetic tape cassette having a lid lockFUJI PHOTO FILM CO LTD·Filed 1998·Granted Jun 18, 2002·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →