Inventor · disambiguated record
Eiichi Hanakawa
Also filed as: HANAKAWA EIICHI
11 granted patents·1 pending application·123 citations·filing 1985–2003
91Inventor score
Technology areasG11B
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD11
Top patents by PatentIndex Score
12 records- 0187US5936935ADisk cartridge having a locking means and cartridge coupling meansMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Aug 10, 1999·41 cites·24 claims
- 0273US6529462B1Disk loading device and disk adaptorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Mar 4, 2003·9 cites·7 claims
- 0373US6495235B2Optical disk, substrate of the same, and mold for forming the substrateMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Dec 17, 2002·9 cites·23 claims
- 0470US6272093B1Disk loading device and disk adaptorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Aug 7, 2001·21 cites·2 claims
- 0568US6526018B1Disk cartridgeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Feb 25, 2003·6 cites·10 claims
- 0663US6643243B2Disk drive unit with part of feed motor coinciding in height with loaded disk cartridgeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Nov 4, 2003·4 cites·2 claims
- 0758US6902055B2Disk cartridgeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 7, 2005·3 cites·10 claims
- 0858US6215760B1Method and apparatus for using a disk cartridge with pull-out type caseMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Apr 10, 2001·10 cites·14 claims
- 0958US4740856ATape cassette and cassette recorder using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Apr 26, 1988·11 cites·14 claims
- 1057US6865060B2Disk drive device having a lifting plate configured to lift a magnetic head supporting memberMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Mar 8, 2005·3 cites·6 claims
- 1149US6118751ADisk cartridge, disk drive and disk changer apparatus using the disk cartridge, and method for handling the disk cartridgeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Sep 12, 2000·6 cites·8 claims
- 1239US2004154038A1Disk cartridgeFiled 2002·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →