Inventor

OZAWA EIKI

JP104 patents

Patents

50 patents

US10074393B2Sep 11, 2018

Magnetic tape and magnetic tape device

FUJIFILM CORP114 citations99

US10546602B2Jan 28, 2020

Magnetic tape device and reproducing method employing TMR reproducing head and tape with characterized XRD intensity ratio

FUJIFILM CORP55 citations98

US10515661B2Dec 24, 2019

Magnetic tape device, magnetic reproducing method, and head tracking servo method

FUJIFILM CORP120 citations98

US10062403B1Aug 28, 2018

Magnetic tape device and head tracking servo method

FUJIFILM CORP106 citations98

US10008230B1Jun 26, 2018

Magnetic tape device and head tracking servo method

FUJIFILM CORP104 citations98

US9984716B1May 29, 2018

Magnetic tape device and head tracking servo method

FUJIFILM CORP123 citations98

US9984712B1May 29, 2018

Magnetic tape device and head tracking servo method

FUJIFILM CORP101 citations98

US9978414B1May 22, 2018

Magnetic tape device and head tracking servo method

FUJIFILM CORP112 citations98

US9972351B1May 15, 2018

Magnetic tape device and head tracking servo method

FUJIFILM CORP105 citations98

US9837116B2Dec 5, 2017

Magnetic tape and magnetic tape device

FUJIFILM CORP111 citations98

US9779772B1Oct 3, 2017

Magnetic tape and magnetic tape device

FUJIFILM CORP103 citations98

US10706875B2Jul 7, 2020

Magnetic tape apparatus

FUJIFILM CORP49 citations95

US10410665B2Sep 10, 2019

Magnetic tape device and magnetic reproducing method

FUJIFILM CORP56 citations95

US10403314B2Sep 3, 2019

Magnetic tape device employing TMR head and magnetic tape with characterized magnetic layer, and head tracking servo method

FUJIFILM CORP57 citations95

US10878846B2Dec 29, 2020

Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus

FUJIFILM CORP21 citations94

US10854233B2Dec 1, 2020

Magnetic recording medium having characterized magnetic layer and magnetic recording and reproducing device

FUJIFILM CORP27 citations94

US10839850B2Nov 17, 2020

Magnetic tape having characterized magnetic layer

FUJIFILM CORP22 citations94

US10811048B2Oct 20, 2020

Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus

FUJIFILM CORP29 citations94

US10755741B2Aug 25, 2020

Magnetic tape apparatus

FUJIFILM CORP30 citations94

US10643647B2May 5, 2020

Magnetic tape apparatus

FUJIFILM CORP34 citations94

US10643646B2May 5, 2020

Magnetic tape apparatus

FUJIFILM CORP35 citations94

US10573338B2Feb 25, 2020

Magnetic tape device and magnetic reproducting method employing TMR head and tape with characterized magnetic layer

FUJIFILM CORP29 citations94

US10546605B2Jan 28, 2020

Head tracking servo method for magnetic tape recording device

FUJIFILM CORP30 citations94

US10522171B2Dec 31, 2019

Magnetic tape having controlled surface properties of the magnetic layer

FUJIFILM CORP29 citations94

US10515657B2Dec 24, 2019

Magnetic tape having characterized magnetic layer and magnetic recording and reproducing device

FUJIFILM CORP35 citations94

US10510366B2Dec 17, 2019

Magnetic tape device and head tracking servo method

FUJIFILM CORP27 citations94

US10497388B2Dec 3, 2019

Magnetic tape including characterized magnetic layer

FUJIFILM CORP44 citations94

US10497384B2Dec 3, 2019

Magnetic tape device and reproducing method employing TMR reproducing head and magnetic tape with characterized magnetic layer

FUJIFILM CORP29 citations94

US10490220B2Nov 26, 2019

Magnetic tape device, magnetic reproducing method, and head tracking servo method

FUJIFILM CORP41 citations94

US10475481B2Nov 12, 2019

Magnetic tape having characterized backcoat layer and method of manufacturing the same

FUJIFILM CORP31 citations94

US10460756B2Oct 29, 2019

Magnetic tape device and head tracking servo method employing TMR element servo head and magnetic tape with characterized magnetic layer

FUJIFILM CORP29 citations94

US10438625B2Oct 8, 2019

Magnetic tape having characterized magnetic layer

FUJIFILM CORP32 citations94

US10438628B2Oct 8, 2019

Magnetic tape device with magnetic tape having particular C-H derived C concentration and magnetic reproducing method

FUJIFILM CORP41 citations94

US10431248B2Oct 1, 2019

Magnetic tape having characterized magnetic layer and magnetic tape device

FUJIFILM CORP41 citations94

US10431249B2Oct 1, 2019

Magnetic tape having characterized magnetic layer and magnetic tape device

FUJIFILM CORP41 citations94

US10403320B2Sep 3, 2019

Magnetic tape device with TMR head and specific logarithmic decrement and magnetic reproducing method

FUJIFILM CORP29 citations94

US10403317B2Sep 3, 2019

Magnetic tape device and magnetic reproducing method

FUJIFILM CORP35 citations94

US10373633B2Aug 6, 2019

Magnetic tape device and head tracking servo method

FUJIFILM CORP27 citations94

US10347280B2Jul 9, 2019

Magnetic tape having characterized magnetic layer and magnetic tape device

FUJIFILM CORP44 citations94

US11894032B2Feb 6, 2024

Magnetic recording medium having characterized vertical SFD, magnetic tape cartridge, and magnetic recording reproducing device

FUJIFILM CORP9 citations86

US11423932B2Aug 23, 2022

Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus

FUJIFILM CORP12 citations86

US10854234B2Dec 1, 2020

Magnetic recording medium having characterized magnetic layer and magnetic recording and reproducing device

FUJIFILM CORP13 citations86

US10854231B2Dec 1, 2020

Magnetic recording medium having characterized magnetic layer and magnetic recording and reproducing device

FUJIFILM CORP12 citations86

US10839849B2Nov 17, 2020

Magnetic recording medium having characterized magnetic layer

FUJIFILM CORP13 citations86

US10692528B2Jun 23, 2020

Magnetic tape apparatus

FUJIFILM CORP12 citations86

US10755735B2Aug 25, 2020

Apparatus capable of determining deviation amount between magnetic head and magnetic tape based on reading servo pattern

FUJIFILM CORP10 citations84

Showing the top 50 of 104 patents by PatentIndex Score.