Inventor · disambiguated record
Tadao Tokushima
Also filed as: TOKUSHIMA TADAO
19 granted patents·1 pending application·277 citations·filing 1975–2015
95Inventor score
Files withNIPPON MUSICAL INSTRUMENTS MFG4TSUYA NOBORU4YAMAHA CORP3UNIP CORP CO LTD2FINE GLASS TECHNOLOGY CO LTD1
Top patents by PatentIndex Score
20 records- 0185US4911987AMetal/ceramic or ceramic/ceramic bonded structureNAT RES INST METALS·Filed 1989·Granted Mar 27, 1990·51 cites·3 claims
- 0283US5047274AAnnodized aluminum substrate for a magnetic recording disk in which pores are filled with a non magnetic material and the surface polished and etchedTSUYA NOBORU·Filed 1988·Granted Sep 10, 1991·27 cites·2 claims
- 0383US4925738ASubstrate for a magnetic disk and process for its productionTSUYA NOBORU·Filed 1988·Granted May 15, 1990·23 cites·2 claims
- 0482US4985306ABase plate for recording disc and a method for its manufactureMORIZANE TOSHINORI·Filed 1990·Granted Jan 15, 1991·52 cites·6 claims
- 0572US5074971AProcess for preparing magnetic diskTSUYA NOBORU·Filed 1990·Granted Dec 24, 1991·18 cites·7 claims
- 0671US5209837AProcess for preparing magnetic diskTSUYA NOBORU·Filed 1991·Granted May 11, 1993·20 cites·1 claims
- 0764US5108812ASubstrate for a magnetic disk and process for its productionTAKAHASHI TOSHIRO·Filed 1989·Granted Apr 28, 1992·13 cites·10 claims
- 0858US6048466AMethod of cleaning glass substrate for magnetic disk or semiconductor substrateFINE GLASS TECHNOLOGY CO LTD·Filed 1998·Granted Apr 11, 2000·15 cites·5 claims
- 0957US4895762AMagnetic recording materialYAMAHA CORP·Filed 1987·Granted Jan 23, 1990·10 cites·8 claims
- 1055US6913685B2Method of modifying the surface of plastic substrateUNIP CORP CO LTD·Filed 2002·Granted Jul 5, 2005·2 cites·8 claims
- 1155US6461445B1Method of finishing glass substrateUNIP CORP CO LTD·Filed 2000·Granted Oct 8, 2002·4 cites·6 claims
- 1250US6531047B1Surface modification method for an aluminum substrateMEDIKEN INC·Filed 2000·Granted Mar 11, 2003·3 cites·4 claims
- 1350US4463649AWaveform producing system employing scanning of a waveform patternNIPPON MUSICAL INSTRUMENTS MFG·Filed 1975·Granted Aug 7, 1984·6 cites·16 claims
- 1448US4904349AMethods for producing optomagnetic recording media and systems for their useNIPPON MUSICAL INSTRUMENTS MFG·Filed 1988·Granted Feb 27, 1990·6 cites·8 claims
- 1545US4761330AOptomagnetic recording mediumNIPPON MUSICAL INSTRUMENTS MFG·Filed 1986·Granted Aug 2, 1988·7 cites·14 claims
- 1643US6002196APiezoelectric dispersion type organic damping compositeSUMITA MASAO·Filed 1997·Granted Dec 14, 1999·13 cites·6 claims
- 1736US2017319996A1System of collecting paint residue and method of collecting paint residueTSK CORP·Filed 2015·Application pending·0 cites
- 1834US4681669AMethod for producing magnetic recording mediaNIPPON MUSICAL INSTRUMENTS MFG·Filed 1985·Granted Jul 21, 1987·4 cites·1 claims
- 1929US4803129AMagnetic recording materialYAMAHA CORP·Filed 1987·Granted Feb 7, 1989·3 cites·1 claims
- 2024US5273836AMagnetooptic recording materialYAMAHA CORP·Filed 1992·Granted Dec 28, 1993·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →