Inventor · disambiguated record
Morimasa Sasaki
Also filed as: SASAKI MORIMASA
27 granted patents·3 pending applications·265 citations·filing 1987–2008
96Inventor score
Technology areasG11B
Files withTDK CORP30
Top patents by PatentIndex Score
30 records- 0191US5278717ADisk cartridgeTDK CORP·Filed 1991·Granted Jan 11, 1994·57 cites·16 claims
- 0288US5153801ADisk cartridge having coupled shutters for closing plural cartridge openingsTDK CORP·Filed 1991·Granted Oct 6, 1992·44 cites·26 claims
- 0385US7350732B2Cartridge case and information recording mediumTDK CORP·Filed 2005·Granted Apr 1, 2008·6 cites·8 claims
- 0483US7497397B2Cartridge case and information recording mediumTDK CORP·Filed 2005·Granted Mar 3, 2009·6 cites·6 claims
- 0581US4862448ADisc cartridge and casing thereforTDK CORP·Filed 1987·Granted Aug 29, 1989·26 cites·21 claims
- 0677US7284722B2Information recording mediumTDK CORP·Filed 2005·Granted Oct 23, 2007·3 cites·2 claims
- 0774US7578464B2Tape reel and information recording apparatusTDK CORP·Filed 2007·Granted Aug 25, 2009·2 cites·3 claims
- 0874US5260931ADisk cartridge with improved transmission shutter mechanismTDK CORP·Filed 1991·Granted Nov 9, 1993·22 cites·12 claims
- 0973US7552887B2Information mediumTDK CORP·Filed 2008·Granted Jun 30, 2009·2 cites·4 claims
- 1072US7448569B2Cartridge case and information recording mediumTDK CORP·Filed 2005·Granted Nov 11, 2008·2 cites·4 claims
- 1172US7343613B2Disc cartridge having disc access openingTDK CORP·Filed 2005·Granted Mar 11, 2008·2 cites·4 claims
- 1268US5247416ADisk cartridge with friction-reducing sheetTDK CORP·Filed 1991·Granted Sep 21, 1993·16 cites·12 claims
- 1367US5081556AProtective casing for a magnetic diskTDK CORP·Filed 1990·Granted Jan 14, 1992·17 cites·8 claims
- 1462US7290734B2Tape reel and information recording mediumTDK CORP·Filed 2004·Granted Nov 6, 2007·4 cites·6 claims
- 1558US4984120ACleaning cassette for a video cassette tape deckTDK CORP·Filed 1989·Granted Jan 8, 1991·10 cites·9 claims
- 1654US4775911AMagnetic tape cassetteTDK CORP·Filed 1987·Granted Oct 4, 1988·9 cites·1 claims
- 1753US7357344B2Information mediumTDK CORP·Filed 2007·Granted Apr 15, 2008·0 cites·3 claims
- 1853US5288543AProtective film on sliding members and method of forming sameTDK CORP·Filed 1991·Granted Feb 22, 1994·9 cites·1 claims
- 1952US7775472B2Information mediumTDK CORP·Filed 2007·Granted Aug 17, 2010·0 cites·10 claims
- 2049US5498456ADisc cartridgeTDK CORP·Filed 1994·Granted Mar 12, 1996·7 cites·19 claims
- 2149US2007183094A1Information recording mediumTDK CORP·Filed 2007·Application pending·0 cites
- 2246US7364107B2Tape cartridgeTDK CORP·Filed 2005·Granted Apr 29, 2008·0 cites·3 claims
- 2345US2006214042A1Tape reel, cartridge case, information recording medium, and molding moldTDK CORP·Filed 2005·Application pending·0 cites
- 2444US2005216929A1Disc cartridgeTDK CORP·Filed 2005·Application pending·0 cites
- 2543US7195192B2Tape cartridgeTDK CORP·Filed 2004·Granted Mar 27, 2007·0 cites·1 claims
- 2643US4905113AMagnetic tape cassette having a slider mounted on the lower casing memberTDK CORP·Filed 1988·Granted Feb 27, 1990·5 cites·4 claims
- 2743US4853816ACasing for cassette magnetic tapeTDK CORP·Filed 1987·Granted Aug 1, 1989·5 cites·7 claims
- 2841US5621597ADisc cartridgeTDK CORP·Filed 1995·Granted Apr 15, 1997·5 cites·9 claims
- 2938US5091814ADisk cartridge having discontinuous hub-position determining ribTDK CORP·Filed 1990·Granted Feb 25, 1992·3 cites·6 claims
- 3037US5018039ADisc cartridge with thick portion surrounding head insertion holeTDK CORP·Filed 1989·Granted May 21, 1991·3 cites·5 claims
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