Inventor
TAKAHASHI YOSHIO
JP84 patents
⚠️ This page may combine multiple inventors who share the name “TAKAHASHI YOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
8 patentsUS6221508B1Apr 24, 2001
Magnetic recording media
HITACHI LTD47 citations96
US6569545B1May 27, 2003
Magnetic recording medium and a magnetic storage apparatus
HITACHI LTD24 citations93
US6001447ADec 14, 1999
Longitudinal magnetic recording media and magnetic storage apparatus using the same
HITACHI LTD34 citations93
US5936244AAug 10, 1999
Electron microscope and electron microscopy method
HITACHI LTD23 citations93
US5666053ASep 9, 1997
Charged particle beam apparatus for measuring magnetic field
HITACHI LTD25 citations93
US6080476AJun 27, 2000
Magnetic recording medium and magnetic recording system using such a magnetic recording medium
HITACHI LTD32 citations92
US6574060B2Jun 3, 2003
Magnetic storage apparatus
HITACHI LTD9 citations74
US5436449AJul 25, 1995
Transmission electron microscope and method of observing magnetic phenomena using its apparatus
HITACHI LTD12 citations74
PIONEER ELECTRONIC CORP
5 patentsUS4641345AFeb 3, 1987
Body-sensible acoustic device
PIONEER ELECTRONIC CORP73 citations96
US4530081AJul 16, 1985
Door structure for record players
PIONEER ELECTRONIC CORP36 citations92
US4594700AJun 10, 1986
Automatic disc player system with disc selecting and loading means
PIONEER ELECTRONIC CORP20 citations82
US4580256AApr 1, 1986
Automatic disc loading apparatus
PIONEER ELECTRONIC CORP12 citations73
US4539670ASep 3, 1985
Automatic disc loading apparatus
PIONEER ELECTRONIC CORP19 citations73
MITSUBISHI OIL CO
5 patentsUS5219912AJun 15, 1993
Emulsified alkenylsuccinic acid sizing agent
MITSUBISHI OIL CO20 citations78
US5246491ASep 21, 1993
Paper sizing agent composition
MITSUBISHI OIL CO8 citations73
US5224993AJul 6, 1993
Sizing agent for paper
MITSUBISHI OIL CO8 citations73
US4673439AJun 16, 1987
Sizing agent for paper making
MITSUBISHI OIL CO11 citations73
US5306757AApr 26, 1994
Emulsified alkenylsuccinic acid sizing agent
MITSUBISHI OIL CO10 citations71
ISHIKAWAJIMA HARIMA HEAVY IND
4 patentsUS5103965AApr 14, 1992
Transfer method and device and driving system therefor for transfer presses
ISHIKAWAJIMA HARIMA HEAVY IND16 citations80
US5072823ADec 17, 1991
Transfer method and device and driving system therefor for transfer presses
ISHIKAWAJIMA HARIMA HEAVY IND19 citations80
US4995505AFeb 26, 1991
Transfer method and device and driving system therefor for transfer presses
ISHIKAWAJIMA HARIMA HEAVY IND20 citations80
US6109087AAug 29, 2000
Apparatus and methods for transferring workpiece in a transfer press machine
ISHIKAWAJIMA HARIMA HEAVY IND11 citations69
KOWA CO
3 patentsUS5389630AFeb 14, 1995
Diamine compound and brain protecting agent containing the same
KOWA CO24 citations92
US4886822ADec 12, 1989
Substituted anilide compounds which are useful in the treatment of arrhythmia
KOWA CO20 citations82
US5883092AMar 16, 1999
Pyrimidine derivatives as endothelin antagonists
KOWA CO9 citations72
HITACHI GLOBAL STORAGE TECH
3 patentsUS6884521B2Apr 26, 2005
Magnetic recording medium with controlled grain diameters and method for manufacturing the same
HITACHI GLOBAL STORAGE TECH12 citations84
US6709768B2Mar 23, 2004
Magnetic recording medium and its manufacturing method and magnetic recording system using such a magnetic recording medium
HITACHI GLOBAL STORAGE TECH13 citations84
US7041393B2May 9, 2006
Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same
HITACHI GLOBAL STORAGE TECH7 citations74
NTT DATA CORP
2 patentsUS6260027B1Jul 10, 2001
Electronic ticket system, collecting terminal, service providing terminal, user terminal, electronic ticket collecting method and recording medium
NTT DATA CORP180 citations97
US6377692B1Apr 23, 2002
Method and system for controlling key for electronic signature
NTT DATA CORP36 citations91
FUJITSU LTD
2 patentsAGENCY IND SCIENCE TECHN
2 patentsNIPPON OXYGEN CO LTD
1 patentNISSAN MOTOR
1 patentAKEBONO BRAKE IND
1 patentKUMIAI CHEMICAL INDUSTRY CO
1 patentTAKAKURA TADASHI
1 patentSHIMIZU CONSTRUCTION CO LTD
1 patentTAKAHASHI YOSHIO
1 patentTOYODA MACHINE WORKS LTD
1 patentNIPPON ELECTRIC CO
1 patentPIONEER ELECTRIC CORP
1 patentRIKEN
1 patentHONDA MOTOR CO LTD
1 patentRICOH KK
1 patentSANDOZ AG
1 patentNAKAI KOUTA
1 patentDAI CHI KOGYUO SEIYAKU CO LTD
1 patentShowing the top 50 of 84 patents by PatentIndex Score.