Inventor
NAKAHATA ISAO
JP21 patents
⚠️ This page may combine multiple inventors who share the name “NAKAHATA ISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
20 patentsUS6658724B2Dec 9, 2003
Powder for magnetic ferrite, magnetic ferrite, multilayer ferrite components and production method thereof
TDK CORP23 citations91
US11145448B2Oct 12, 2021
Soft magnetic alloy powder, dust core, and magnetic component
TDK CORP5 citations72
US11081266B2Aug 3, 2021
Soft magnetic alloy powder, dust core, and magnetic component
TDK CORP5 citations72
US10847292B2Nov 24, 2020
Soft magnetic alloy and magnetic device
TDK CORP5 citations72
US6737012B2May 18, 2004
Powder for magnetic ferrite, magnetic ferrite, multilayer ferrite components and production method thereof
TDK CORP5 citations72
US6533956B2Mar 18, 2003
Powder for magnetic ferrite, magnetic ferrite, multilayer ferrite components and production method thereof
TDK CORP5 citations72
US11427896B2Aug 30, 2022
Soft magnetic alloy ribbon and magnetic device
TDK CORP2 citations71
US12400776B2Aug 26, 2025
Magnetic core and method for manufacturing same, and coil component
TDK CORP0 citations62
US12165794B2Dec 10, 2024
Soft magnetic alloy and magnetic device
TDK CORP0 citations62
US7477819B2Jan 13, 2009
Two-dimensional photonic crystal
TDK CORP2 citations62
US11441213B2Sep 13, 2022
Soft magnetic alloy ribbon and magnetic component
TDK CORP0 citations61
US12159743B2Dec 3, 2024
Alloy ribbon and magnetic core
TDK CORP0 citations60
US12062475B2Aug 13, 2024
Soft magnetic alloy, soft magnetic alloy ribbon, soft magnetic powder, and magnetic component
TDK CORP0 citations60
US12312667B2May 27, 2025
Alloy ribbon and laminated core
TDK CORP0 citations59
US12191060B2Jan 7, 2025
Soft magnetic alloy, soft magnetic alloy ribbon, laminate, and magnetic core
TDK CORP0 citations59
US11955261B2Apr 9, 2024
Magnetic alloy ribbon, laminate, and magnetic core
TDK CORP0 citations59
US6628190B2Sep 30, 2003
Powder for magnetic ferrite, magnetic ferrite, multilayer ferrite components and production method thereof
TDK CORP0 citations51
US12374478B2Jul 29, 2025
Soft magnetic alloy ribbon and magnetic component
TDK CORP0 citations50
US10329200B2Jun 25, 2019
Dielectric thin film, capacitor element, and electronic component
TDK CORP0 citations50
US11990271B2May 21, 2024
Soft magnetic ribbon for magnetic core, magnetic core, coil unit, and wireless power transmission unit
TDK CORP0 citations43