Inventor
NAOI KATSUO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “NAOI KATSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
13 patentsUS7046503B2May 16, 2006
Electrode for capacitor
TDK CORP17 citations83
US11601007B2Mar 7, 2023
DC power supply system
TDK CORP3 citations72
US11594883B2Feb 28, 2023
Direct current power supplying system
TDK CORP2 citations72
US11791501B2Oct 17, 2023
Direct current power supplying system
TDK CORP3 citations71
US7867550B2Jan 11, 2011
Fabrication processes for electrodes for electrochemical devices, and electrochemical device fabrication process
TDK CORP3 citations62
US7820337B2Oct 26, 2010
Electrochemical device
TDK CORP2 citations62
US8343669B2Jan 1, 2013
Electrochemical device
TDK CORP2 citations61
US12009669B2Jun 11, 2024
Power feeding system and power management device
TDK CORP1 citations59
US11418051B2Aug 16, 2022
Direct current power supplying system
TDK CORP0 citations51
US12512681B2Dec 30, 2025
Power management device and power feeding system
TDK CORP0 citations48
US12366836B2Jul 22, 2025
Upper power management device, power interchange control method, and recording medium
TDK CORP0 citations48
US12314022B2May 27, 2025
Power management device, upper power management device, and power management method
TDK CORP0 citations48
US12243996B2Mar 4, 2025
Power management device and power storage system
TDK CORP0 citations48
NAOI KATSUO
5 patentsUS9831480B2Nov 28, 2017
Fiber-containing polymer film and method of manufacturing same, and electrochemical device and method of manufacturing same
NAOI KATSUO2 citations71
US9214661B2Dec 15, 2015
Electrode manufacturing method
NAOI KATSUO3 citations60
US8273482B2Sep 25, 2012
Electrode
NAOI KATSUO1 citations50
US8247100B2Aug 21, 2012
Electrochemical device
NAOI KATSUO1 citations49
US8530110B2Sep 10, 2013
Lithium-ion secondary battery separator and lithium-ion secondary battery
NAOI KATSUO0 citations39