Inventor · disambiguated record
Kengo Oishi
Also filed as: OISHI KENGO
161 granted patents·26 pending applications·1,606 citations·filing 1976–2024
99Inventor score
Top patents by PatentIndex Score
187 records- 0196US4608617AMagnetic recording disk cartridgeFUJI PHOTO FILM CO LTD·Filed 1983·Granted Aug 26, 1986·72 cites·3 claims
- 0294US4427166AMagnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 1981·Granted Jan 24, 1984·52 cites·9 claims
- 0391US4638393AMagnetic tape cassette having an improved braking mechanismFUJI PHOTO FILM CO LTD·Filed 1983·Granted Jan 20, 1987·35 cites·4 claims
- 0491US4536812AMagnetic disk cartridgeFUJI PHOTO FILM CO LTD·Filed 1984·Granted Aug 20, 1985·37 cites·5 claims
- 0587US4496118AMagnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 1983·Granted Jan 29, 1985·27 cites·5 claims
- 0686US4781879AMethod of making a magnetic recording diskFUJI PHOTO FILM CO LTD·Filed 1986·Granted Nov 1, 1988·33 cites·2 claims
- 0785US4365712AMagnetic tape cassette receiving casingFUJI PHOTO FILM CO LTD·Filed 1980·Granted Dec 28, 1982·26 cites·5 claims
- 0884US6789261B2Disk cartridgeFUJI PHOTO FILM CO LTD·Filed 2002·Granted Sep 7, 2004·14 cites·7 claims
- 0982US4977474AMagnetic tape cartridge requiring uniform force during leader block attachment and detachmentFUJI PHOTO FILM CO LTD·Filed 1989·Granted Dec 11, 1990·32 cites·5 claims
- 1082US4844378AMagnetic tape cassette having improved erasure preventing deviceFUJI PHOTO FILM CO LTD·Filed 1988·Granted Jul 4, 1989·26 cites·5 claims
- 1182US4840760AManufacturing method for magnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 1988·Granted Jun 20, 1989·44 cites·3 claims
- 1281US7286323B2Disk cartridge including multiple flexible disks, plural partitioning plates, and a shutterFUJIFILM CORP·Filed 2005·Granted Oct 23, 2007·4 cites·21 claims
- 1381US6826773B2Disc cartridgeFUJI PHOTO FILM CO LTD·Filed 2002·Granted Nov 30, 2004·14 cites·8 claims
- 1481US4750075AMagnetic disk cartridge with liners and a welded lifterFUJI PHOTO FILM CO LTD·Filed 1986·Granted Jun 7, 1988·24 cites·5 claims
- 1581US4618903AMagnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 1984·Granted Oct 21, 1986·22 cites·17 claims
- 1681US4497009AMagnetic disk cartridgeFUJI PHOTO FILM CO LTD·Filed 1984·Granted Jan 29, 1985·22 cites·9 claims
- 1780US4488190AMagnetic recording disk cartridgeFUJI PHOTO FILM CO LTD·Filed 1983·Granted Dec 11, 1984·21 cites·3 claims
- 1878US7440232B2Multi-disk cartridge and disks with interlocking spacers for stackingFUJIFILM CORP·Filed 2005·Granted Oct 21, 2008·3 cites·17 claims
- 1978US6985331B2Magnetic disk cartridge with housing composed of circular ARC and straight lines normal to each otherFUJI PHOTO FILM CO LTD·Filed 2002·Granted Jan 10, 2006·15 cites·20 claims
- 2078US5219074AMagnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 1992·Granted Jun 15, 1993·26 cites·3 claims
- 2178US4699268AMagnetic recording disk cartridgeFUJI PHOTO FILM CO LTD·Filed 1987·Granted Oct 13, 1987·22 cites·3 claims
- 2277US6912725B2Disc cartridgeFUJI PHOTO FILM CO LTD·Filed 2002·Granted Jun 28, 2005·11 cites·6 claims
- 2377US4688127AMagnetic recording disk cartridge with locking memberFUJI PHOTO FILM CO LTD·Filed 1983·Granted Aug 18, 1987·19 cites·6 claims
- 2477US4604671AMagnetic recording tape cassetteFUJI PHOTO FILM CO LTD·Filed 1983·Granted Aug 5, 1986·19 cites·3 claims
- 2577US4389010AMagnetic tape guide meansFUJI PHOTO FILM CO LTD·Filed 1981·Granted Jun 21, 1983·21 cites·6 claims
- 2676US4763217AOptical tape end detector in magnetic tape casette with means to compensate for misalignment of light source and refractingFUJI PHOTO FILM CO LTD·Filed 1986·Granted Aug 9, 1988·20 cites·5 claims
- 2776US2024387878A1Lithium secondary batteryNGK INSULATORS LTD·Filed 2024·Application pending·0 cites
- 2876US2024363830A1Lithium secondary batteryNGK INSULATORS LTD·Filed 2024·Application pending·0 cites
- 2975US4742415AMagnetic tape cassette having a guided reel brake pawlFUJI PHOTO FILM CO LTD·Filed 1986·Granted May 3, 1988·20 cites·6 claims
- 3075US4549922AMethod of making magnetic disk cartridgeFUJI PHOTO FILM CO LTD·Filed 1984·Granted Oct 29, 1985·27 cites·7 claims
- 3175US2024291041A1Lithium secondary batteryNGK INSULATORS LTD·Filed 2024·Application pending·0 cites
- 3275US2024291042A1Lithium secondary batteryNGK INSULATORS LTD·Filed 2024·Application pending·0 cites
- 3374US4622618AMagnetic recording disk cartridgeFUJI PHOTO FILM CO LTD·Filed 1983·Granted Nov 11, 1986·18 cites·1 claims
- 3474US4614270AMagnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 1984·Granted Sep 30, 1986·16 cites·5 claims
- 3573US7646563B2Recording disk cartridge having a plurality of flexible recording disk mediaFUJIFILM CORP·Filed 2005·Granted Jan 12, 2010·2 cites·8 claims
- 3673US7457081B2Recording disk cartridge (having a cartridge case) for storing a plurality of flexible recording media integrally and rotatablyFUJIFILM CORP·Filed 2005·Granted Nov 25, 2008·2 cites·20 claims
- 3773US4886220AMagnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 1988·Granted Dec 12, 1989·18 cites·6 claims
- 3873US4341365AVideo tape cassetteFUJI PHOTO FILM CO LTD·Filed 1980·Granted Jul 27, 1982·16 cites·6 claims
- 3972US11005093B2Positive electrode active material for non-aqueous electrolyte secondary battery comprising a complex oxideNICHIA CORP·Filed 2020·Granted May 11, 2021·0 cites·6 claims
- 4072US7086074B2Disk cartridgeFUJI PHOTO FILM CO LTD·Filed 2004·Granted Aug 1, 2006·6 cites·5 claims
- 4172US6922312B2Disk cartridge having upper shell fitted inside lower shell to enclose lower shutter with upper shutter outside upper shellFUJI PHOTO FILM CO LTD·Filed 2002·Granted Jul 26, 2005·8 cites·14 claims
- 4272US6816340B2Disk cartridgeFUJI PHOTO FILM CO LTD·Filed 2002·Granted Nov 9, 2004·8 cites·12 claims
- 4371US4698715AMagnetic recording disk having center core secured by a base-less double-sided adhesive tapeFUJI PHOTO FILM CO LTD·Filed 1984·Granted Oct 6, 1987·14 cites·2 claims
- 4471US4607308AMagnetic tape cassette with dual guard panel structureFUJI PHOTO FILM CO LTD·Filed 1984·Granted Aug 19, 1986·15 cites·5 claims
- 4571US4518134AMagnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 1984·Granted May 21, 1985·14 cites·5 claims
- 4671US2023411676A1Lithium secondary batteryNGK INSULATORS LTD·Filed 2023·Application pending·0 cites
- 4770US6826145B2Disk cartridge and drive device having a cleaning linerFUJI PHOTO FILM CO LTD·Filed 2002·Granted Nov 30, 2004·7 cites·15 claims
- 4870US6772430B2Cartridge housing a recording medium and drive device for recording mediumFUJI PHOTO FILM CO LTD·Filed 2002·Granted Aug 3, 2004·6 cites·11 claims
- 4970US4101096AMagnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 1976·Granted Jul 18, 1978·13 cites·7 claims
- 5069US7343611B2Disc cartridge having disc taking-out history detecting portionFUJIFILM CORP·Filed 2005·Granted Mar 11, 2008·1 cites·14 claims
Showing the top 50 of 187 patent records by PatentIndex Score.
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