Inventor
HARASAWA TAKESHI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “HARASAWA TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI PHOTO FILM CO LTD
12 patentsUS5489466AFeb 6, 1996
Magnetic recording medium comprising a lower nonmagnetic layer containing a surface coated inorganic powder and an upper magetic layer
FUJI PHOTO FILM CO LTD43 citations89
US6682800B2Jan 27, 2004
Magnetic recording medium
FUJI PHOTO FILM CO LTD7 citations74
US6541132B2Apr 1, 2003
Magnetic disk having specific track width and bit length
FUJI PHOTO FILM CO LTD9 citations74
US6875495B2Apr 5, 2005
Magnetic recording medium
FUJI PHOTO FILM CO LTD9 citations66
US6713149B2Mar 30, 2004
Magnetic recording medium
FUJI PHOTO FILM CO LTD6 citations63
US6703106B2Mar 9, 2004
Magnetic recording and reproducing method and magnetic recording medium for use in the method
FUJI PHOTO FILM CO LTD3 citations63
US6999255B2Feb 14, 2006
Magnetic recording and reproducing system and magnetic recording medium used therein
FUJI PHOTO FILM CO LTD2 citations62
US6767612B2Jul 27, 2004
Magnetic recording medium
FUJI PHOTO FILM CO LTD5 citations62
US6749917B2Jun 15, 2004
Magnetic recording medium
FUJI PHOTO FILM CO LTD0 citations52
US6506470B2Jan 14, 2003
Magnetic recording medium
FUJI PHOTO FILM CO LTD0 citations52
US6835445B2Dec 28, 2004
Magnetic recording medium
FUJI PHOTO FILM CO LTD0 citations51
US6713171B2Mar 30, 2004
Magnetic recording medium
FUJI PHOTO FILM CO LTD1 citations51