Inventor · disambiguated record
Kenji Hashizume
Also filed as: HASHIZUME KENJI
47 granted patents·10 pending applications·365 citations·filing 1985–2021
98Inventor score
Top patents by PatentIndex Score
57 records- 0196US8162470B2Inkjet printerKANAI HIROSHI·Filed 2010·Granted Apr 24, 2012·13 cites·15 claims
- 0291US6205115B1Disc cartridgeTDK CORP·Filed 1998·Granted Mar 20, 2001·70 cites·20 claims
- 0391US5278717ADisk cartridgeTDK CORP·Filed 1991·Granted Jan 11, 1994·57 cites·16 claims
- 0488US5153801ADisk cartridge having coupled shutters for closing plural cartridge openingsTDK CORP·Filed 1991·Granted Oct 6, 1992·44 cites·26 claims
- 0577US7114166B2Disc cartridgeTDK CORP·Filed 2004·Granted Sep 26, 2006·11 cites·5 claims
- 0672US7343613B2Disc cartridge having disc access openingTDK CORP·Filed 2005·Granted Mar 11, 2008·2 cites·4 claims
- 0771US7281258B2Disc cartridgeTDK CORP·Filed 2005·Granted Oct 9, 2007·2 cites·8 claims
- 0869US7610595B2Clamping plate, cartridge case, information medium, mold, and method of manufacturing clamping plateTDK CORP·Filed 2006·Granted Oct 27, 2009·1 cites·7 claims
- 0968US4631619AMagnetic tape cassette having improved reel locking meansTDK CORP·Filed 1985·Granted Dec 23, 1986·15 cites·4 claims
- 1063US7201640B2Method of sucking water and water sucking deviceFUJIKOSHI MACHINERY CORP·Filed 2005·Granted Apr 10, 2007·2 cites·12 claims
- 1162US5232093ATape cassette housingTDK CORP·Filed 1992·Granted Aug 3, 1993·13 cites·21 claims
- 1261US6407886B1Tape cassette having a biased locked memberTDK CORP·Filed 2000·Granted Jun 18, 2002·4 cites·13 claims
- 1360US4885651ATape cassette with low friction slide member for guiding movement of a lid thereonTDK CORP·Filed 1987·Granted Dec 5, 1989·9 cites·17 claims
- 1459US4585187AMagnetic tape cassetteTDK CORP·Filed 1985·Granted Apr 29, 1986·11 cites·4 claims
- 1558US6418113B1Disk cartridgeTDK CORP·Filed 1999·Granted Jul 9, 2002·13 cites·8 claims
- 1658US4984120ACleaning cassette for a video cassette tape deckTDK CORP·Filed 1989·Granted Jan 8, 1991·10 cites·9 claims
- 1757US11646392B2Method of manufacturing light-emitting deviceNICHIA CORP·Filed 2021·Granted May 9, 2023·0 cites·20 claims
- 1857US8444262B2Inkjet printing systemKANAI HIROSHI·Filed 2012·Granted May 21, 2013·0 cites·18 claims
- 1953US4930714AReel for a magnetic tapeTDK CORP·Filed 1989·Granted Jun 5, 1990·8 cites·4 claims
- 2052US5107386AMagnetic tape cassetteTDK CORP·Filed 1990·Granted Apr 21, 1992·8 cites·7 claims
- 2151US6191920B1Tape cassette with tape guides press-fit over ribbed guide postsTDK CORP·Filed 1999·Granted Feb 20, 2001·9 cites·6 claims
- 2251US2013168039A1Air guide structure of radiator in straddle vehicleKAWASAKI HEAVY IND LTD·Filed 2012·Application pending·0 cites
- 2350US6388837B1Tape cartridgeTDK CORP·Filed 2000·Granted May 14, 2002·1 cites·3 claims
- 2449US10886428B2Method of manufacturing semiconductor elementNICHIA CORP·Filed 2019·Granted Jan 5, 2021·0 cites·9 claims
- 2549US4973012AMagnetic tape cassetteTDK CORP·Filed 1989·Granted Nov 27, 1990·7 cites·3 claims
- 2648US2006260903A1Clamping plateTDK CORP·Filed 2006·Application pending·0 cites
- 2748US2007025019A1Cartridge case and disc cartridgeTDK CORP·Filed 2006·Application pending·0 cites
- 2847US2006265724A1Disc cartridgeTDK CORP·Filed 2006·Application pending·0 cites
- 2947US2006282845A1Disc cartridgeTDK CORP·Filed 2006·Application pending·0 cites
- 3047US2006282846A1Cartridge case and information mediumTDK CORP·Filed 2006·Application pending·0 cites
- 3145US5933302ATape cassetteTDK CORP·Filed 1997·Granted Aug 3, 1999·6 cites·4 claims
- 3244US6532133B1Recording medium cartridge with improved welding characteristicsTDK CORP·Filed 1993·Granted Mar 11, 2003·10 cites·23 claims
- 3344US5381893AHousing case for tape cassette with index cardTDK CORP·Filed 1994·Granted Jan 17, 1995·5 cites·2 claims
- 3444US5379960ATape cassette casing having an attaching cylindrical portion with at least one rib for retaining a reel springTDK CORP·Filed 1993·Granted Jan 10, 1995·5 cites·6 claims
- 3544US2005216929A1Disc cartridgeTDK CORP·Filed 2005·Application pending·0 cites
- 3643US5626305ATape cassette having ribs and windowTDK CORP·Filed 1994·Granted May 6, 1997·5 cites·6 claims
- 3743US2007022433A1Disk cartridgeHASHIZUME KENJI·Filed 2004·Application pending·0 cites
- 3841US4865265AMagnetic tape cassetteTDK CORP·Filed 1988·Granted Sep 12, 1989·4 cites·7 claims
- 3940US7047546B2Disc cartridgeTDK CORP·Filed 2002·Granted May 16, 2006·0 cites·4 claims
- 4040US6484957B1Tape cassette and combination structure of the tape cassette and driving deviceTDK CORP·Filed 2000·Granted Nov 26, 2002·0 cites·1 claims
- 4140US6385010B1CartridgeTDK CORP·Filed 2000·Granted May 7, 2002·0 cites·8 claims
- 4239US6302345B1Tape cassetteTDK CORP·Filed 2000·Granted Oct 16, 2001·0 cites·6 claims
- 4339US4717980ATape cassette with low friction slide member for guiding movement of a lid thereonTDK CORP·Filed 1985·Granted Jan 5, 1988·3 cites·17 claims
- 4439US4682259AMagnetic tape cassette with dustproof mechanismTDK CORP·Filed 1985·Granted Jul 21, 1987·4 cites·3 claims
- 4538US2005151815A1Inkjet printerFiled 2003·Application pending·0 cites
- 4637US4899242ALocking mechanism of magnetic tape cassetteTDK CORP·Filed 1988·Granted Feb 6, 1990·3 cites·5 claims
- 4735US5417378ATape cassetteTDK CORP·Filed 1993·Granted May 23, 1995·2 cites·15 claims
- 4834US4858849ATape cassette housingTDK CORP·Filed 1988·Granted Aug 22, 1989·2 cites·1 claims
- 4933US6118631ATape cassetteTDK CORP·Filed 1998·Granted Sep 12, 2000·1 cites·2 claims
- 5032US6446896B1Tape cassetteTDK CORP·Filed 1999·Granted Sep 10, 2002·1 cites·7 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →