Inventor
TOHYA HIROKAZU
JP28 patents
Patents
28 patentsUS6075211AJun 13, 2000
Multi-layered printed wiring board
NEC CORP96 citations98
US5978231ANov 2, 1999
Printed wiring board with integrated coil inductor
NEC CORP102 citations98
US6111479AAug 29, 2000
Laminate printed circuit board with a magnetic layer
NEC CORP69 citations96
US5784285AJul 21, 1998
Waveform analyzer
NEC CORP67 citations96
US6252384B1Jun 26, 2001
Power-supply voltage fluctuation inhibiting circuit
NEC CORP26 citations93
US7868257B2Jan 11, 2011
Via transmission lines for multilayer printed circuit boards
NEC CORP28 citations92
US7463122B2Dec 9, 2008
Compact via transmission line for printed circuit board and its designing method
NEC CORP26 citations92
US6938231B2Aug 30, 2005
Method and system for designing circuit layout
NEC CORP35 citations92
US6873518B2Mar 29, 2005
Shielded strip line device and method of manufacture thereof
NEC CORP26 citations92
US6477694B1Nov 5, 2002
Method for designing a power supply decoupling circuit
NEC CORP30 citations92
US6365828B1Apr 2, 2002
Electromagnetic interference suppressing device and circuit
NEC CORP46 citations92
US6359237B1Mar 19, 2002
Multi-layer printed board
NEC CORP25 citations92
US6002593ADec 14, 1999
Reducing electromagnetic noise radiated from a printed board
NEC CORP43 citations92
US5172308ADec 15, 1992
DC-DC converter with transformer having a single secondary winding
NEC CORP31 citations92
US7750765B2Jul 6, 2010
Compact via transmission line for printed circuit board and design method of the same
NEC CORP14 citations84
US7315226B2Jan 1, 2008
Strip line device, printed wiring board mounting member, circuit board, semiconductor package, and method of forming same
NEC CORP12 citations84
US6721171B2Apr 13, 2004
Shielded strip line device and method of manufacture thereof
NEC CORP14 citations84
US7545241B2Jun 9, 2009
Nanoparticle transmission line element and method of fabricating the same
NEC CORP12 citations83
US6895354B2May 17, 2005
System and method for generating thermal network data and recording medium
NEC CORP16 citations80
US5343378AAug 30, 1994
Power circuit
NEC CORP19 citations74
US6550037B2Apr 15, 2003
Method for designing a decoupling circuit
NEC CORP9 citations73
US4698517AOct 6, 1987
Power supply source control system
NEC CORP18 citations71
US7064623B2Jun 20, 2006
Coaxial line type components with low characteristic impedance
NEC CORP2 citations63
US6903438B2Jun 7, 2005
Low-impedance decoupling device
NEC CORP4 citations63
US7242265B2Jul 10, 2007
Element of parallel flat plate line type, a circuit board
NEC CORP3 citations62
US7656036B2Feb 2, 2010
Line component and semiconductor circuit using line component
NEC CORP0 citations52
US7288844B2Oct 30, 2007
Semiconductor device, semiconductor circuit and method for producing semiconductor device
NEC CORP0 citations52
US7282963B2Oct 16, 2007
Wide-band circuit coupled through a transmission line
NEC CORP0 citations52