Inventor
FUKUMOTO NAOYA
JP29 patents
⚠️ This page may combine multiple inventors who share the name “FUKUMOTO NAOYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHOWA DENKO KK
17 patentsUS11332686B2May 17, 2022
Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium
SHOWA DENKO KK7 citations85
US11225624B2Jan 18, 2022
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
SHOWA DENKO KK7 citations85
US11639330B2May 2, 2023
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
SHOWA DENKO KK9 citations84
US11427779B2Aug 30, 2022
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
SHOWA DENKO KK8 citations84
US11279664B2Mar 22, 2022
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
SHOWA DENKO KK11 citations84
US11261394B2Mar 1, 2022
Fluorine-containing ether compound, lubricant for magnetic recording media, and magnetic recording medium
SHOWA DENKO KK12 citations84
US11220649B2Jan 11, 2022
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
SHOWA DENKO KK7 citations84
US11011200B2May 18, 2021
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
SHOWA DENKO KK11 citations84
US10803898B2Oct 13, 2020
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
SHOWA DENKO KK7 citations82
US11292979B2Apr 5, 2022
Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium
SHOWA DENKO KK3 citations72
US11180457B2Nov 23, 2021
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
SHOWA DENKO KK2 citations72
US11555005B2Jan 17, 2023
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
SHOWA DENKO KK2 citations70
US12264290B2Apr 1, 2025
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
SHOWA DENKO KK1 citations62
US11767483B2Sep 26, 2023
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
SHOWA DENKO KK0 citations62
US11661408B2May 30, 2023
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
SHOWA DENKO KK0 citations62
US11514945B2Nov 29, 2022
Lubricant for magnetic recording medium, and method for producing magnetic recording medium
SHOWA DENKO KK0 citations59
US11661478B2May 30, 2023
Magnetic recording medium, fluorine-containing ether compound and lubricant for magnetic recording medium
SHOWA DENKO KK0 citations48
RESONAC CORP
9 patentsUS11820742B2Nov 21, 2023
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
RESONAC CORP3 citations71
US12129445B2Oct 29, 2024
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
RESONAC CORP0 citations62
US11912824B2Feb 27, 2024
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
RESONAC CORP0 citations62
US11845906B2Dec 19, 2023
Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium
RESONAC CORP0 citations62
US12057151B2Aug 6, 2024
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
RESONAC CORP0 citations61
US12100434B2Sep 24, 2024
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
RESONAC CORP0 citations60
US11820953B2Nov 21, 2023
Fluorine-containing ether compound, lubricant for magnetic recording medium and magnetic recording medium
RESONAC CORP0 citations60
US12531088B2Jan 20, 2026
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
RESONAC CORP0 citations45
US12518787B2Jan 6, 2026
Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium
RESONAC CORP0 citations45