Inventor
OHHIRA RISATO
JP10 patents
⚠️ This page may combine multiple inventors who share the name “OHHIRA RISATO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
4 patentsUS7046414B2May 16, 2006
Optical modulation system applying a highly stable bias voltage to an optical modulator
NEC CORP18 citations81
US6882802B2Apr 19, 2005
Modulator and method of modulating optical carrier with clock signal before or after the carrier is modulated with data pulse
NEC CORP10 citations71
US6728490B1Apr 27, 2004
Optical transmitter, optical receiver, optical transmission system, and optical transmission method
NEC CORP10 citations71
US7302191B2Nov 27, 2007
Optical transmitter with tap type optical filters
NEC CORP1 citations49
OHHIRA RISATO
3 patentsUS8604891B2Dec 10, 2013
High frequency substrate including a signal line breaking portion coupled by a capacitor
OHHIRA RISATO3 citations58
US8154364B2Apr 10, 2012
High-frequency transmission line having ground surface patterns with a plurality of notches therein
OHHIRA RISATO2 citations58
US9019035B2Apr 28, 2015
High frequency wiring board comprised of interconnected first and second coplanar lines on different layers and having a ground pattern physically separated therefrom
OHHIRA RISATO0 citations37
IWANAMI MIZUKI
2 patentsUS8941402B2Jan 27, 2015
Electromagnetic field measuring apparatus, electromagnetic field measuring method used for the same, and non-transitory computer readable medium storing electromagnetic field measurement control program
IWANAMI MIZUKI0 citations39
US8654331B2Feb 18, 2014
Electromagnetic field measurement apparatus
IWANAMI MIZUKI0 citations39