Inventor · disambiguated record
Yoshio Takahashi
Also filed as: TAKAHASHI YOSHIO
71 granted patents·6 pending applications·1,297 citations·filing 1971–2022
99Inventor score
Files withHITACHI LTD20HITACHI GLOBAL STORAGE TECH8MITSUBISHI OIL CO6PIONEER ELECTRONIC CORP5ISHIKAWAJIMA HARIMA HEAVY IND4
Top patents by PatentIndex Score
77 records- 0195US4993481AThermal storage unitAGENCY IND SCIENCE TECHN·Filed 1989·Granted Feb 19, 1991·123 cites·19 claims
- 0293US4416056AProcess for preparation of film coilsFUJITSU LTD·Filed 1978·Granted Nov 22, 1983·62 cites·4 claims
- 0391US10323785B1Tablet holderTAKAHASHI YOSHIO·Filed 2017·Granted Jun 18, 2019·19 cites·9 claims
- 0490US6221508B1Magnetic recording mediaHITACHI LTD·Filed 1998·Granted Apr 24, 2001·47 cites·8 claims
- 0589US4530081ADoor structure for record playersPIONEER ELECTRONIC CORP·Filed 1982·Granted Jul 16, 1985·36 cites·11 claims
- 0688US4641345ABody-sensible acoustic devicePIONEER ELECTRONIC CORP·Filed 1984·Granted Feb 3, 1987·73 cites·8 claims
- 0785US4883325AAnti-lock brake control system for motor vehiclesAKEBONO BRAKE IND·Filed 1989·Granted Nov 28, 1989·26 cites·13 claims
- 0884US4951622ACylinder head for DOHC internal combustion engine with four valves per cylinderNISSAN MOTOR·Filed 1989·Granted Aug 28, 1990·43 cites·10 claims
- 0984US4463799AHeat storage medium for latent heat thermal energy storage unitAGENCY IND SCIENCE TECHN·Filed 1981·Granted Aug 7, 1984·50 cites·3 claims
- 1082US6709768B2Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording mediumHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Mar 23, 2004·13 cites·6 claims
- 1181US6884521B2Magnetic recording medium with controlled grain diameters and method for manufacturing the sameHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Apr 26, 2005·12 cites·11 claims
- 1281US6001447ALongitudinal magnetic recording media and magnetic storage apparatus using the sameHITACHI LTD·Filed 1998·Granted Dec 14, 1999·34 cites·27 claims
- 1380US6080476AMagnetic recording medium and magnetic recording system using such a magnetic recording mediumHITACHI LTD·Filed 1998·Granted Jun 27, 2000·32 cites·8 claims
- 1480US4995505ATransfer method and device and driving system therefor for transfer pressesISHIKAWAJIMA HARIMA HEAVY IND·Filed 1988·Granted Feb 26, 1991·20 cites·2 claims
- 1580US4022605AStabilized non-medical fungicidal, bactericidal and algicidal compositionKUMIAI CHEMICAL INDUSTRY CO·Filed 1975·Granted May 10, 1977·38 cites·8 claims
- 1679USD360113SVacuum bottleNIPPON OXYGEN CO LTD·Filed 1994·Granted Jul 11, 1995·20 cites·1 claims
- 1779US4118660AAutomatic machining systemNIPPON ELECTRIC CO·Filed 1977·Granted Oct 3, 1978·27 cites·2 claims
- 1878US8785851B2Interference electron microscopeRIKEN·Filed 2013·Granted Jul 22, 2014·4 cites·31 claims
- 1978US7898908B2Head for thermally assisted magnetic recording device and thermally assisted magnetic recording deviceHITACHI LTD·Filed 2006·Granted Mar 1, 2011·3 cites·12 claims
- 2078US4594700AAutomatic disc player system with disc selecting and loading meansPIONEER ELECTRONIC CORP·Filed 1984·Granted Jun 10, 1986·20 cites·7 claims
- 2177US6574060B2Magnetic storage apparatusHITACHI LTD·Filed 2001·Granted Jun 3, 2003·9 cites·6 claims
- 2277US5072823ATransfer method and device and driving system therefor for transfer pressesISHIKAWAJIMA HARIMA HEAVY IND·Filed 1990·Granted Dec 17, 1991·19 cites·4 claims
- 2376US6569545B1Magnetic recording medium and a magnetic storage apparatusHITACHI LTD·Filed 1999·Granted May 27, 2003·24 cites·2 claims
- 2475US4539670AAutomatic disc loading apparatusPIONEER ELECTRONIC CORP·Filed 1982·Granted Sep 3, 1985·19 cites·14 claims
- 2572US8524536B2Optical film cutting method and apparatus using the sameNAKAI KOUTA·Filed 2008·Granted Sep 3, 2013·5 cites·9 claims
- 2672US5666053ACharged particle beam apparatus for measuring magnetic fieldHITACHI LTD·Filed 1995·Granted Sep 9, 1997·25 cites·38 claims
- 2771US5936244AElectron microscope and electron microscopy methodHITACHI LTD·Filed 1995·Granted Aug 10, 1999·23 cites·5 claims
- 2871US5103965ATransfer method and device and driving system therefor for transfer pressesISHIKAWAJIMA HARIMA HEAVY IND·Filed 1990·Granted Apr 14, 1992·16 cites·1 claims
- 2970US7249405B2Method for manufacturing a magnetic mediumHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jul 31, 2007·1 cites·6 claims
- 3069US7799447B2Perpendicular magnetic recording medium having grain boundary layer containing ferromagnetic elementHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Sep 21, 2010·1 cites·19 claims
- 3169US7398254B2Component cost estimation system, component cost estimation method, cost standard data providing system, cost standard data providing method, recording medium, and computer data signalRICOH KK·Filed 2001·Granted Jul 8, 2008·8 cites·16 claims
- 3269US7041393B2Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the sameHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted May 9, 2006·7 cites·39 claims
- 3369US6260027B1Electronic ticket system, collecting terminal, service providing terminal, user terminal, electronic ticket collecting method and recording mediumNTT DATA CORP·Filed 1998·Granted Jul 10, 2001·180 cites·54 claims
- 3467US6575261B2Drive-force distribution controllerTOYODA MACHINE WORKS LTD·Filed 2001·Granted Jun 10, 2003·19 cites·16 claims
- 3565US9773640B2Sample holder, charged particle beam apparatus, and observation methodHITACHI LTD·Filed 2015·Granted Sep 26, 2017·1 cites·10 claims
- 3665US9070532B2Charged particle beam apparatus sample holder with magnetic field generating element and sample holding elementHITACHI LTD·Filed 2014·Granted Jun 30, 2015·1 cites·13 claims
- 3765US7050253B2Magnetic recording media and magnetic storage apparatus using the sameHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted May 23, 2006·4 cites·24 claims
- 3864US6924048B2Magnetic recording medium and a magnetic storage apparatusHITACHI LTD·Filed 2003·Granted Aug 2, 2005·4 cites·7 claims
- 3964US2024043704A1Anti-fog coatingFUJIKURA KASEI KK·Filed 2022·Application pending·0 cites
- 4061US7182974B2Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording mediumHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Feb 27, 2007·3 cites·3 claims
- 4160US7374831B2Magnetic recording mediumHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted May 20, 2008·4 cites·14 claims
- 4259US4580256AAutomatic disc loading apparatusPIONEER ELECTRONIC CORP·Filed 1985·Granted Apr 1, 1986·12 cites·7 claims
- 4357US5436449ATransmission electron microscope and method of observing magnetic phenomena using its apparatusHITACHI LTD·Filed 1993·Granted Jul 25, 1995·12 cites·9 claims
- 4456US10872743B2Sample holding mechanism, manufacturing method for same, and charged particle beam deviceHITACHI LTD·Filed 2018·Granted Dec 22, 2020·0 cites·12 claims
- 4556US8284199B2Graph plotting device and graph plotting method, yield analyzing method and yield improvement support system for executing the graph plotting method, program, and computer-readable recording mediumMINAMIDE MASAHIKO·Filed 2008·Granted Oct 9, 2012·5 cites·13 claims
- 4656US6377692B1Method and system for controlling key for electronic signatureNTT DATA CORP·Filed 1998·Granted Apr 23, 2002·36 cites·48 claims
- 4755US4486873ADisc loading mechanismPIONEER ELECTRIC CORP·Filed 1982·Granted Dec 4, 1984·8 cites·9 claims
- 4854US5219912AEmulsified alkenylsuccinic acid sizing agentMITSUBISHI OIL CO·Filed 1991·Granted Jun 15, 1993·20 cites·13 claims
- 4953US4666523ASizing agent suitable for use in paper makingDAI CHI KOGYUO SEIYAKU CO LTD·Filed 1986·Granted May 19, 1987·17 cites·9 claims
- 5052US6605374B2Magnetic recording medium and magnetic recording system using such a magnetic recording mediumHITACHI LTD·Filed 2002·Granted Aug 12, 2003·3 cites·4 claims
Showing the top 50 of 77 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →