Inventor
TAKAHASHI MASATOSHI
JP111 patents
⚠️ This page may combine multiple inventors who share the name “TAKAHASHI MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO FILM CO LTD
21 patentsUS6228461B1May 8, 2001
Magnetic recording tape
FUJI PHOTO FILM CO LTD132 citations97
US5827599AOct 27, 1998
Magnetic recording tape having a backcoat and specified edge profile
FUJI PHOTO FILM CO LTD23 citations89
US6444290B1Sep 3, 2002
Magnetic recording medium comprising a support containing a specific size filler and having a specific concentration of surface protrusions
FUJI PHOTO FILM CO LTD14 citations83
US6291052B1Sep 18, 2001
Magnetic recording medium
FUJI PHOTO FILM CO LTD15 citations83
US4786557ANov 22, 1988
Magnetic recording medium of continuous form
FUJI PHOTO FILM CO LTD23 citations82
US4693929ASep 15, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD24 citations82
US7169438B2Jan 30, 2007
Magnetic recording medium
FUJI PHOTO FILM CO LTD5 citations74
US6316077B1Nov 13, 2001
Magnetic recording medium
FUJI PHOTO FILM CO LTD12 citations74
US5370932ADec 6, 1994
Magnetic recording medium
FUJI PHOTO FILM CO LTD8 citations74
US5153053AOct 6, 1992
Magnetic 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 group
FUJI PHOTO FILM CO LTD15 citations74
US4988562AJan 29, 1991
Magnetic recording media
FUJI PHOTO FILM CO LTD17 citations74
US4880692ANov 14, 1989
Magnetic recording medium
FUJI PHOTO FILM CO LTD10 citations74
US4803121AFeb 7, 1989
Magnetic recording medium
FUJI PHOTO FILM CO LTD10 citations74
US4780353AOct 25, 1988
Magnetic recording medium
FUJI PHOTO FILM CO LTD8 citations74
US4731278AMar 15, 1988
Magnetic recording medium
FUJI PHOTO FILM CO LTD9 citations74
US6767610B2Jul 27, 2004
Magnetic tape having specific surface recording density and comprising a support having specific surface roughness
FUJI PHOTO FILM CO LTD9 citations73
US5795645AAug 18, 1998
Magnetic recording medium
FUJI PHOTO FILM CO LTD9 citations73
US4686139AAug 11, 1987
Magnetic recording medium
FUJI PHOTO FILM CO LTD9 citations73
US5922483AJul 13, 1999
Magnetic recording medium
FUJI PHOTO FILM CO LTD14 citations72
US5578376ANov 26, 1996
Magnetic recording medium having a magnetic layer comprising a specified ferromagnetic metal powder and a specified polyurethane binder
FUJI PHOTO FILM CO LTD15 citations72
US5089331AFeb 18, 1992
Magnetic recording medium
FUJI PHOTO FILM CO LTD8 citations70
SANYO ELECTRIC CO
12 patentsUS5686138ANov 11, 1997
Lithium secondary battery
SANYO ELECTRIC CO38 citations96
US5352548AOct 4, 1994
Secondary battery
SANYO ELECTRIC CO89 citations96
US6632572B1Oct 14, 2003
Lithium secondary battery
SANYO ELECTRIC CO59 citations95
US5856039AJan 5, 1999
Non-aqueous electrolyte secondary cell
SANYO ELECTRIC CO33 citations93
US5993997ANov 30, 1999
Lithium secondary battery
SANYO ELECTRIC CO24 citations92
US5882818AMar 16, 1999
Lithium secondary battery
SANYO ELECTRIC CO27 citations92
US5112704AMay 12, 1992
Non-aqueous electrolyte cell
SANYO ELECTRIC CO35 citations92
US6521379B2Feb 18, 2003
Non-aqueous electrolyte secondary cell with a lithium cobalt oxide positive electrode
SANYO ELECTRIC CO40 citations91
US5976729ANov 2, 1999
Cell which secures the reliability of a protective circuit
SANYO ELECTRIC CO36 citations91
US6818351B2Nov 16, 2004
Mixed cathode active material for lithium secondary battery
SANYO ELECTRIC CO32 citations90
US7368203B2May 6, 2008
Nonaqueous electrolyte secondary cell
SANYO ELECTRIC CO16 citations83
US6447955B1Sep 10, 2002
Lithium secondary battery with a negative electrode of heat-treated natural graphite
SANYO ELECTRIC CO7 citations74
SHINETSU CHEMICAL CO
4 patentsUS6013693AJan 11, 2000
Ultraviolet-curable silicone-based releasing composition
SHINETSU CHEMICAL CO41 citations92
US7615391B2Nov 10, 2009
Solar cell and method of fabricating the same
SHINETSU CHEMICAL CO12 citations84
US6239246B1May 29, 2001
Acrylic functional organopolysiloxanes and radiation-curable compositions
SHINETSU CHEMICAL CO16 citations84
US6963024B2Nov 8, 2005
Solar cell module and its installing module
SHINETSU CHEMICAL CO11 citations73
HITACHI LTD
3 patentsUS6219336B1Apr 17, 2001
Terminal multiplexer and method of constructing the terminal multiplexer
HITACHI LTD30 citations91
US6049525AApr 11, 2000
Terminal multiplexer and method of constructing the terminal multiplexer
HITACHI LTD17 citations91
US6614754B1Sep 2, 2003
Bi-directional line switched ring network system
HITACHI LTD45 citations89
SHINETSU HANDOTAI KK
2 patentsASAHI TECHNO GLASS CORP
2 patentsUS7132164B2Nov 7, 2006
Hexagonal ferrite magnetic powder, method for producing the same and magnetic recording medium
ASAHI TECHNO GLASS CORP19 citations92
US7381482B2Jun 3, 2008
Hexagonal ferrite magnetic powder, method for producing the same and magnetic recording medium
ASAHI TECHNO GLASS CORP16 citations84
SUMITOMO RUBBER IND
1 patentHITACHI ULSI SYS CO LTD
1 patentSONY CORP
1 patentDUPLO CORP
1 patentLION CORP
1 patentLION FAT OIL CO LTD
1 patentShowing the top 50 of 111 patents by PatentIndex Score.