Inventor
KITAHARA TOSHIYUKI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “KITAHARA TOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJIFILM CORP
11 patentsUS8980396B2Mar 17, 2015
Optical information recording medium
FUJIFILM CORP4 citations73
US8701133B2Apr 15, 2014
Optical information recording medium and method for manufacturing same
FUJIFILM CORP4 citations73
US8477577B2Jul 2, 2013
Method for recording on and reading out from optical information recording medium
FUJIFILM CORP5 citations73
US9711176B2Jul 18, 2017
Multilayer optical information recording disk and method for manufacturing same
FUJIFILM CORP5 citations71
US8670296B2Mar 11, 2014
Optical information recording medium and optical information recording method
FUJIFILM CORP2 citations63
US9099106B2Aug 4, 2015
Multilayer structure sheet and method for manufacturing same, and optical information recording medium and method for manufacturing optical information recording medium using multilayer structure sheet
FUJIFILM CORP2 citations62
US8644126B2Feb 4, 2014
Optical information recording medium and method for manufacturing same
FUJIFILM CORP3 citations62
US7564640B2Jul 21, 2009
Apparatus for recording or retrieving data on magnetic tape
FUJIFILM CORP4 citations62
US9105283B2Aug 11, 2015
Optical information recording medium
FUJIFILM CORP0 citations52
US7207052B2Apr 17, 2007
Recording medium cartridge and recording and reproducing device
FUJIFILM CORP0 citations52
US7929403B2Apr 19, 2011
Apparatus and method for recording information in optical storage medium
FUJIFILM CORP0 citations41
FUJI PHOTO FILM CO LTD
9 patentsUS6251509B1Jun 26, 2001
Magnetic tape
FUJI PHOTO FILM CO LTD27 citations92
US5512350AApr 30, 1996
Magnetic recording medium having a magnetic layer with a specified surface roughness and which contains ferromagnetic powder, binder, and an abrasive
FUJI PHOTO FILM CO LTD36 citations92
US5196265AMar 23, 1993
Magnetic recording medium
FUJI PHOTO FILM CO LTD28 citations92
US7095582B2Aug 22, 2006
Magnetic tape drive
FUJI PHOTO FILM CO LTD14 citations84
US5804283ASep 8, 1998
Magnetic recording medium
FUJI PHOTO FILM CO LTD11 citations74
US5326618AJul 5, 1994
Magnetic recording medium and process for production thereof
FUJI PHOTO FILM CO LTD8 citations74
US7092200B2Aug 15, 2006
Magnetic tape drive with recording head group providing high density data signal recording
FUJI PHOTO FILM CO LTD8 citations73
US6767610B2Jul 27, 2004
Magnetic tape having specific surface recording density and comprising a support having specific surface roughness
FUJI PHOTO FILM CO LTD9 citations73
US5407725AApr 18, 1995
Magnetic recording medium having a magnetic layer containing two carbon blacks each within specific particle size and DBP adsorption ranges
FUJI PHOTO FILM CO LTD16 citations73