P

Inventor

FUJIWARA TERUHIKO

JP25 patents
⚠️ This page may combine multiple inventors who share the name “FUJIWARA TERUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NEC TOKIN CORP

17 patents
US7170378B2Jan 30, 2007

Magnetic core for high frequency and inductive component using same

NEC TOKIN CORP19 citations92
US6906608B2Jun 14, 2005

Magnetic core including magnet for magnetic bias and inductor component using the same

NEC TOKIN CORP23 citations92
US6995643B2Feb 7, 2006

Magnetically biasing bond magnet for improving DC superposition characteristics of magnetic coil

NEC TOKIN CORP12 citations83
US6753751B2Jun 22, 2004

Magnetic core including magnet for magnetic bias and inductor component using the same

NEC TOKIN CORP14 citations83
US6717504B2Apr 6, 2004

Magnetic core including bias magnet and inductor component using the same

NEC TOKIN CORP16 citations83
US6611187B2Aug 26, 2003

Magnetic core, coil assembly and power supply circuit using the same

NEC TOKIN CORP17 citations83
US6639499B2Oct 28, 2003

Inductance component in which a permanent magnet for applying a magnetic bias is arranged outside an excitation coil

NEC TOKIN CORP18 citations82
US6778056B2Aug 17, 2004

Inductance component having a permanent magnet in the vicinity of a magnetic gap

NEC TOKIN CORP8 citations73
US6734771B2May 11, 2004

Inductor component having a permanent magnet in the vicinity of magnetic gap

NEC TOKIN CORP12 citations73
US6621398B2Sep 16, 2003

Magnetic core comprising a bond magnet including magnetic powder whose particle's surface is coated with oxidation-resistant metal

NEC TOKIN CORP12 citations73
US6590485B2Jul 8, 2003

Magnetic core having magnetically biasing bond magnet and inductance part using the same

NEC TOKIN CORP12 citations73
US6710693B2Mar 23, 2004

Inductor component containing permanent magnet for magnetic bias and method of manufacturing the same

NEC TOKIN CORP12 citations71
US6788185B2Sep 7, 2004

Powder core and high-frequency reactor using the same

NEC TOKIN CORP4 citations62
US6646532B2Nov 11, 2003

Powder core and reactor using the same

NEC TOKIN CORP4 citations62
US6621399B2Sep 16, 2003

Powder core and high-frequency reactor using the same

NEC TOKIN CORP2 citations62
US7714683B2May 11, 2010

Inductance device, filter device comprising the same, and noise filter comprising the same

NEC TOKIN CORP1 citations52
US7531050B2May 12, 2009

Method for manufacturing bonded magnet and method for manufacturing magnetic device having bonded magnet

NEC TOKIN CORP1 citations38

OMRON TATEISI ELECTRONICS CO

3 patents

TOKIN CORP

2 patents

NEC TOKIN CORPORATON

1 patent

KOGANEI LTD

1 patent

KYUSHU INST TECH

1 patent