Inventor · disambiguated record
Yasuhisa Fukushima
Also filed as: FUKUSHIMA YASUHISA
9 granted patents·172 citations·filing 1985–2015
88Inventor score
Top patents by PatentIndex Score
9 records- 0191US5903538AAutomatic disk change apparatus and disk tray for the apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted May 11, 1999·77 cites·4 claims
- 0279US4680662ADisk cartridge having a shutter mechanismMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Jul 14, 1987·26 cites·7 claims
- 0375US5107484AArrangement of recording/reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Apr 21, 1992·20 cites·10 claims
- 0472US4727444ALoading device for a cartridgeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Feb 23, 1988·20 cites·11 claims
- 0570US6262961B1Disk loading device and disk cartridgeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jul 17, 2001·22 cites·11 claims
- 0658US8689245B2Optical pickup device transfer mechanismFUKUSHIMA YASUHISA·Filed 2012·Granted Apr 1, 2014·2 cites·9 claims
- 0741US5907531ARead-write, read-only medium automatic interchange apparatus and magazine with tray medium discriminating meansMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted May 25, 1999·5 cites·2 claims
- 0835US9368153B2Disc cartridge and disc devicePANASONIC IP MAN CO LTD·Filed 2015·Granted Jun 14, 2016·0 cites·12 claims
- 0934US9361930B2Disc conveying device and disc conveying methodPANASONIC IP MAN CO LTD·Filed 2015·Granted Jun 7, 2016·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →