Inventor · disambiguated record
Masatoshi Takahashi
Also filed as: TAKAHASHI MASATOSHI
111 granted patents·26 pending applications·1,372 citations·filing 1975–2025
99Inventor score
Files withFUJI PHOTO FILM CO LTD53SANYO ELECTRIC CO17FUJIFILM CORP10TOPPAN PRINTING CO LTD9SHINETSU CHEMICAL CO6
Top patents by PatentIndex Score
137 records- 0196US6228461B1Magnetic recording tapeFUJI PHOTO FILM CO LTD·Filed 1999·Granted May 8, 2001·132 cites·23 claims
- 0295US7132164B2Hexagonal ferrite magnetic powder, method for producing the same and magnetic recording mediumASAHI TECHNO GLASS CORP·Filed 2005·Granted Nov 7, 2006·19 cites·4 claims
- 0393US7381482B2Hexagonal ferrite magnetic powder, method for producing the same and magnetic recording mediumASAHI TECHNO GLASS CORP·Filed 2005·Granted Jun 3, 2008·16 cites·3 claims
- 0493US7355114B2Solar cell and its manufacturing methodSHINETSU HANDOTAI KK·Filed 2002·Granted Apr 8, 2008·57 cites·15 claims
- 0592US6632572B1Lithium secondary batterySANYO ELECTRIC CO·Filed 2000·Granted Oct 14, 2003·59 cites·20 claims
- 0690US6219336B1Terminal multiplexer and method of constructing the terminal multiplexerHITACHI LTD·Filed 2000·Granted Apr 17, 2001·30 cites·8 claims
- 0789US7615391B2Solar cell and method of fabricating the sameSHINETSU CHEMICAL CO·Filed 2007·Granted Nov 10, 2009·12 cites·8 claims
- 0889US5352548ASecondary batterySANYO ELECTRIC CO·Filed 1993·Granted Oct 4, 1994·89 cites·7 claims
- 0987US6521379B2Non-aqueous electrolyte secondary cell with a lithium cobalt oxide positive electrodeSANYO ELECTRIC CO·Filed 2001·Granted Feb 18, 2003·40 cites·8 claims
- 1085US7169438B2Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2005·Granted Jan 30, 2007·5 cites·9 claims
- 1185US6818351B2Mixed cathode active material for lithium secondary batterySANYO ELECTRIC CO·Filed 2002·Granted Nov 16, 2004·32 cites·6 claims
- 1281US10518510B2Decorative sheet and method of manufacturing the sameTOPPAN PRINTING CO LTD·Filed 2018·Granted Dec 31, 2019·1 cites·9 claims
- 1380US7294779B2Solar cell and method for producing the sameSHINETSU HANDOTAI KK·Filed 2002·Granted Nov 13, 2007·25 cites·42 claims
- 1480US4693929AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1985·Granted Sep 15, 1987·24 cites·23 claims
- 1579US4786557AMagnetic recording medium of continuous formFUJI PHOTO FILM CO LTD·Filed 1987·Granted Nov 22, 1988·23 cites·7 claims
- 1677US6013693AUltraviolet-curable silicone-based releasing compositionSHINETSU CHEMICAL CO·Filed 1998·Granted Jan 11, 2000·41 cites·7 claims
- 1775US7799458B2Nonaqueous electrolytic secondary battery and method of manufacturing the sameSANYO ELECTRIC CO·Filed 2006·Granted Sep 21, 2010·2 cites·15 claims
- 1875US7368203B2Nonaqueous electrolyte secondary cellSANYO ELECTRIC CO·Filed 2003·Granted May 6, 2008·16 cites·11 claims
- 1975US5686138ALithium secondary batterySANYO ELECTRIC CO·Filed 1994·Granted Nov 11, 1997·38 cites·41 claims
- 2074US12263660B2Decorative sheetTOPPAN INC·Filed 2022·Granted Apr 1, 2025·0 cites·6 claims
- 2174US7438983B2Magnetic recording mediumFUJIFILM CORP·Filed 2005·Granted Oct 21, 2008·2 cites·11 claims
- 2274US7361422B2Leader tape and magnetic tape cartridge using the sameFUJIFILM CORP·Filed 2005·Granted Apr 22, 2008·2 cites·5 claims
- 2373US6907526B2IC card and microprocessorHITACHI ULSI SYS CO LTD·Filed 2001·Granted Jun 14, 2005·27 cites·13 claims
- 2473US6767610B2Magnetic tape having specific surface recording density and comprising a support having specific surface roughnessFUJI PHOTO FILM CO LTD·Filed 2001·Granted Jul 27, 2004·9 cites·12 claims
- 2573US6614754B1Bi-directional line switched ring network systemHITACHI LTD·Filed 1999·Granted Sep 2, 2003·45 cites·22 claims
- 2673US4599076AMethod of producing discharge display deviceSONY CORP·Filed 1985·Granted Jul 8, 1986·18 cites·3 claims
- 2772US7354233B2Bookbinding machine and prebinding apparatusDUPLO CORP·Filed 2004·Granted Apr 8, 2008·14 cites·16 claims
- 2870US8444717B2Method for evaluating battery safety under internal short-circuit condition, battery and battery pack whose safety is identified by internal short-circuit safety evaluation method, and method for producing the sameKASAMATSU SHINJI·Filed 2008·Granted May 21, 2013·2 cites·6 claims
- 2970US2025242563A1Decorative sheetTOPPAN INC·Filed 2025·Application pending·0 cites
- 3069US7452616B2Leader tape and magnetic tape cartridge using the sameFUJIFILM CORP·Filed 2005·Granted Nov 18, 2008·1 cites·9 claims
- 3169US7368188B2Magnetic recording mediumFUJIFILM CORP·Filed 2005·Granted May 6, 2008·1 cites·15 claims
- 3268US7198817B2Process for producing magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2003·Granted Apr 3, 2007·6 cites·17 claims
- 3368US6890646B2Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2003·Granted May 10, 2005·6 cites·9 claims
- 3468US5827599AMagnetic recording tape having a backcoat and specified edge profileFUJI PHOTO FILM CO LTD·Filed 1996·Granted Oct 27, 1998·23 cites·11 claims
- 3566US6673457B2Radiation-curable organopolysiloxane compositionSHINETSU CHEMICAL CO·Filed 2001·Granted Jan 6, 2004·5 cites·18 claims
- 3666US5112704ANon-aqueous electrolyte cellSANYO ELECTRIC CO·Filed 1990·Granted May 12, 1992·35 cites·10 claims
- 3765US6963024B2Solar cell module and its installing moduleSHINETSU CHEMICAL CO·Filed 2002·Granted Nov 8, 2005·11 cites·11 claims
- 3865US6818277B2Magnetic recording medium and reproduction process using the sameFUJI PHOTO FILM CO LTD·Filed 2003·Granted Nov 16, 2004·5 cites·20 claims
- 3965US5153053AMagnetic recording medium comprising a lower magnetic layer containing an amine modified vinyl chloride copolymer and an upper magnetic layer containing a vinyl chloride copolymer with a polar groupFUJI PHOTO FILM CO LTD·Filed 1990·Granted Oct 6, 1992·15 cites·15 claims
- 4064US7738463B2ATM-PON system and ONU automatic connection methodHITACHI LTD·Filed 2005·Granted Jun 15, 2010·2 cites·3 claims
- 4164US5976729ACell which secures the reliability of a protective circuitSANYO ELECTRIC CO·Filed 1997·Granted Nov 2, 1999·36 cites·19 claims
- 4264US5882818ALithium secondary batterySANYO ELECTRIC CO·Filed 1997·Granted Mar 16, 1999·27 cites·24 claims
- 4364US5856039ANon-aqueous electrolyte secondary cellSANYO ELECTRIC CO·Filed 1997·Granted Jan 5, 1999·33 cites·8 claims
- 4462US5993997ALithium secondary batterySANYO ELECTRIC CO·Filed 1998·Granted Nov 30, 1999·24 cites·51 claims
- 4561US10899117B2Decorative sheet and method of producing decorative sheetTOPPAN PRINTING CO LTD·Filed 2019·Granted Jan 26, 2021·0 cites·18 claims
- 4661US6291052B1Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1998·Granted Sep 18, 2001·15 cites·46 claims
- 4759US6733987B2Method for cutting a biological sample and a device used thereforFUJI PHOTO FILM CO LTD·Filed 2001·Granted May 11, 2004·2 cites·7 claims
- 4859US6703107B2Magnetic tapeFUJI PHOTO FILM CO LTD·Filed 2002·Granted Mar 9, 2004·3 cites·9 claims
- 4958US12140326B2Heat exchanger and air conditioner including the sameSAMSUNG ELECTRONICS CO LTD·Filed 2021·Granted Nov 12, 2024·0 cites·18 claims
- 5058US7960045B2Magnetic recording medium and method of manufacturing the sameFUJIFILM CORP·Filed 2008·Granted Jun 14, 2011·0 cites·7 claims
Showing the top 50 of 137 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →