Inventor
MAESHIMA KATSUNORI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “MAESHIMA KATSUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
15 patentsUS10748570B2Aug 18, 2020
Magnetic recording medium
SONY CORP13 citations93
US10204651B2Feb 12, 2019
Magnetic recording medium having cubic ferrite or e-phase iron oxide magnetic particles
SONY CORP6 citations83
US11270729B2Mar 8, 2022
Magnetic recording medium
SONY CORP0 citations62
US11205455B2Dec 21, 2021
Magnetic recording medium
SONY CORP0 citations62
US11145328B2Oct 12, 2021
Magnetic recording medium
SONY CORP0 citations62
US7295402B2Nov 13, 2007
Magnetic tape cartridge and recorder/reproducer a magnetic tape cartridge
SONY CORP5 citations62
US11355145B2Jun 7, 2022
Magnetic recording medium
SONY CORP0 citations61
US10872633B2Dec 22, 2020
Magnetic recording medium, laminate, and flexible device
SONY CORP1 citations60
US11521649B2Dec 6, 2022
Method of producing a magnetic powder and method of producing a magnetic recording medium
SONY CORP0 citations57
US11830533B2Nov 28, 2023
Method of producing magnetic powder and method of producing magnetic recording medium
SONY CORP0 citations53
US10839848B2Nov 17, 2020
Magnetic recording medium having cubic ferrite or e-phase iron oxide magnetic particles
SONY CORP0 citations51
US10783914B2Sep 22, 2020
Ferrimagnetic particle powder and method of manufacturing ferrimagnetic particle powder, as well as magnetic recording medium and method of manufacturing magnetic recording medium
SONY CORP0 citations50
US9805754B2Oct 31, 2017
Ferrimagnetic particle powder and manufacturing method therefor, and magnetic recording medium and manufacturing method therefor
SONY CORP0 citations50
US6991861B2Jan 31, 2006
Magnetic recording medium
SONY CORP0 citations50
US11170813B2Nov 9, 2021
Magnetic powder, method of producing the same, and magnetic recording medium
SONY CORP0 citations49