Inventor · disambiguated record
Yasufumi Takasugi
Also filed as: TAKASUGI YASUFUMI
16 granted patents·3 pending applications·157 citations·filing 1983–2004
93Inventor score
Files withTDK CORP16
Top patents by PatentIndex Score
19 records- 0183US4749608AMagnetic recording mediumTDK CORP·Filed 1987·Granted Jun 7, 1988·24 cites·17 claims
- 0276US4824724AMagnetic recording mediumTDK CORP·Filed 1986·Granted Apr 25, 1989·20 cites·1 claims
- 0372US4892789AMagnetic recording mediumTDK CORP·Filed 1985·Granted Jan 9, 1990·17 cites·4 claims
- 0469US5443913AMagnetic recording mediumTDK CORP·Filed 1993·Granted Aug 22, 1995·19 cites·14 claims
- 0569US4592948AMagnetic recording mediumTDK CORP·Filed 1983·Granted Jun 3, 1986·13 cites·14 claims
- 0668US4537832AMagnetic recording mediumTDK CORP·Filed 1983·Granted Aug 27, 1985·13 cites·21 claims
- 0766US5698286AMagnetic recording mediumTDK CORP·Filed 1996·Granted Dec 16, 1997·19 cites·20 claims
- 0862US6605341B2Functional film having specific surface dispersion ratioTDK CORP·Filed 2001·Granted Aug 12, 2003·9 cites·18 claims
- 0952US5837744APolyoxymethylene articles having printable surface method of imparting printability to polyoxymethyleneTDK CORP·Filed 1996·Granted Nov 17, 1998·10 cites·6 claims
- 1050US7266065B2Apparatus for discriminating optical recording medium and method for discriminating optical recording mediumTDK CORP·Filed 2003·Granted Sep 4, 2007·1 cites·10 claims
- 1149US4621008AMagnetic recording mediumTDK CORP·Filed 1984·Granted Nov 4, 1986·6 cites·11 claims
- 1245US2005017384A1Substrate for optical disk provided with hard-coating layer and method of producing the sameFiled 2004·Application pending·0 cites
- 1342US7200084B2Apparatus for discriminating optical recording medium and method for discriminating optical recording mediumTDK CORP·Filed 2003·Granted Apr 3, 2007·0 cites·9 claims
- 1442US7085213B2Apparatus for discriminating optical recording medium and method for discriminating optical recording mediumTDK CORP·Filed 2003·Granted Aug 1, 2006·0 cites·20 claims
- 1541US7158459B2Apparatus for discriminating optical recording medium and method for discriminating optical recording mediumTDK CORP·Filed 2003·Granted Jan 2, 2007·0 cites·18 claims
- 1639US2004042363A1Method of recording data, recording medium and recording deviceFiled 2001·Application pending·0 cites
- 1736US2004028384A1Digital recording/reproducing apparatusFiled 2001·Application pending·0 cites
- 1835US4759954AMagnetic recording medium and preparationTDK CORP·Filed 1986·Granted Jul 26, 1988·5 cites·4 claims
- 1932US4844978AMagnetic recording mediumTDK CORP·Filed 1985·Granted Jul 4, 1989·1 cites·11 claims
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