Inventor · disambiguated record
Masakazu Ishizuka
Also filed as: ISHIZUKA MASAKAZU
10 granted patents·18 citations·filing 2002–2019
83Inventor score
Files withPANASONIC IP MAN CO LTD3FUJITSU LTD2PANASONIC CORP2FUKUSHIMA YASUHISA1MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1
Top patents by PatentIndex Score
10 records- 0176US10921791B2Production plan generation device, production plan generation method, and production planFUJITSU LTD·Filed 2018·Granted Feb 16, 2021·2 cites·5 claims
- 0273US7831984B2Disk drive with established resonance frequencies for damper memberPANASONIC CORP·Filed 2009·Granted Nov 9, 2010·2 cites·2 claims
- 0366US8316388B2Shaft supporting structure with coil spring for pressing shaft onto bearing, and optical disc apparatus including the sameNISHI TATSURO·Filed 2009·Granted Nov 20, 2012·2 cites·5 claims
- 0464US7581233B2Disk loading apparatus with cartridge urging member operating cooperatively with disk rotating unit transverse holderPANASONIC CORP·Filed 2003·Granted Aug 25, 2009·5 cites·55 claims
- 0563US10824782B2Information processing device, recording medium recording production plan generation program, and production plan generation methodFUJITSU LTD·Filed 2019·Granted Nov 3, 2020·0 cites·12 claims
- 0658US8689245B2Optical pickup device transfer mechanismFUKUSHIMA YASUHISA·Filed 2012·Granted Apr 1, 2014·2 cites·9 claims
- 0743USD483754STray for optical disk recorderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 16, 2003·5 cites·1 claims
- 0836US10008234B2Disc transfer devicePANASONIC IP MAN CO LTD·Filed 2017·Granted Jun 26, 2018·0 cites·6 claims
- 0935US9368153B2Disc cartridge and disc devicePANASONIC IP MAN CO LTD·Filed 2015·Granted Jun 14, 2016·0 cites·12 claims
- 1034US9361930B2Disc 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 →