Inventor
TAGA HIDENORI
JP42 patents
⚠️ This page may combine multiple inventors who share the name “TAGA HIDENORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOKUSAI DENSHIN DENWA CO LTD
29 patentsUS5790289AAug 4, 1998
WDM optical communication method with pre-emphasis technique and an apparatus therefor
KOKUSAI DENSHIN DENWA CO LTD116 citations98
US5786918AJul 28, 1998
Optical communication system and optical transmitting device
KOKUSAI DENSHIN DENWA CO LTD119 citations98
US5822095AOct 13, 1998
Optical add-drop multiplexer
KOKUSAI DENSHIN DENWA CO LTD115 citations97
US5625479AApr 29, 1997
Soliton optical communication system and optical transmitter and optical receiver therefor
KOKUSAI DENSHIN DENWA CO LTD52 citations96
US5589969ADec 31, 1996
Wavelength division multiplexed optical fiber transmission equipment
KOKUSAI DENSHIN DENWA CO LTD58 citations96
US5559910ASep 24, 1996
Wavelength division multiplexed optical fiber transmission equiptment
KOKUSAI DENSHIN DENWA CO LTD57 citations96
US6021235AFeb 1, 2000
Wavelength-division multiplexing optical transmission system
KOKUSAI DENSHIN DENWA CO LTD35 citations93
US5872647AFeb 16, 1999
Optical transmitting terminal
KOKUSAI DENSHIN DENWA CO LTD32 citations93
US5585954ADec 17, 1996
Apparatus for measuring optical transmission characteristic
KOKUSAI DENSHIN DENWA CO LTD46 citations93
US5471333ANov 28, 1995
Optical communication system
KOKUSAI DENSHIN DENWA CO LTD21 citations93
US5430795AJul 4, 1995
Optical transmitter with the signal light of reduced degree of polarization and optical depolarizing circuit
KOKUSAI DENSHIN DENWA CO LTD31 citations93
US5162936ANov 10, 1992
Apparatus for monitoring the operation of an optical repeater
KOKUSAI DENSHIN DENWA CO LTD28 citations93
US6181449B1Jan 30, 2001
Wavelength division multiplexed optical processing device and optical communication transmission path
KOKUSAI DENSHIN DENWA CO LTD46 citations92
US6091538AJul 18, 2000
Gain equalizing apparatus
KOKUSAI DENSHIN DENWA CO LTD33 citations92
US5926300AJul 20, 1999
Optical add-drop multiplexer
KOKUSAI DENSHIN DENWA CO LTD33 citations92
US5920413AJul 6, 1999
Method and device for optical add/drop multiplexing using high speed polarization scrambler
KOKUSAI DENSHIN DENWA CO LTD23 citations92
US5912750AJun 15, 1999
Optical transmission line
KOKUSAI DENSHIN DENWA CO LTD40 citations92
US5710660AJan 20, 1998
Gain-controllable optical amplifier and optical gain-control method
KOKUSAI DENSHIN DENWA CO LTD53 citations92
US5642215AJun 24, 1997
Optical transmission system
KOKUSAI DENSHIN DENWA CO LTD42 citations92
US5629795AMay 13, 1997
Optical amplifying-repeating transmission system
KOKUSAI DENSHIN DENWA CO LTD41 citations92
US5574590ANov 12, 1996
Optical amplifying transmitting system
KOKUSAI DENSHIN DENWA CO LTD36 citations92
US5838477ANov 17, 1998
Optical submarine branching device
KOKUSAI DENSHIN DENWA CO LTD44 citations90
US5966228AOct 12, 1999
Optical transmission system and optical repeater
KOKUSAI DENSHIN DENWA CO LTD17 citations84
US5808789ASep 15, 1998
Optically amplifying transmission system
KOKUSAI DENSHIN DENWA CO LTD17 citations84
US5892608AApr 6, 1999
Optical receiver device for dark soliton lightwave
KOKUSAI DENSHIN DENWA CO LTD15 citations82
US5978529ANov 2, 1999
Gain equalizer and optical amplifying transmission line
KOKUSAI DENSHIN DENWA CO LTD16 citations74
US5937126AAug 10, 1999
Optically amplifying/repeating transmission system and optical amplifier
KOKUSAI DENSHIN DENWA CO LTD11 citations74
US5737110AApr 7, 1998
Optical communication system using dark soliton lightwave
KOKUSAI DENSHIN DENWA CO LTD11 citations74
US5140452AAug 18, 1992
Long-distance high-speed optical communication scheme
KOKUSAI DENSHIN DENWA CO LTD10 citations74
MITSUBISHI ELECTRIC CORP
5 patentsUS6236488B1May 22, 2001
Optical pulse position detecting circuit and an optical pulse generating apparatus and their methods
MITSUBISHI ELECTRIC CORP59 citations95
US6445478B2Sep 3, 2002
Optical pulse position detecting circuit and an optical pulse generating apparatus and their methods
MITSUBISHI ELECTRIC CORP26 citations92
US6028695AFeb 22, 2000
Optical modulating apparatus
MITSUBISHI ELECTRIC CORP36 citations92
US6868514B2Mar 15, 2005
FEC frame structuring method and FEC multiplexer
MITSUBISHI ELECTRIC CORP43 citations90
US7177540B2Feb 13, 2007
Method for upgrading an optical transmission system and an optical transmitter
MITSUBISHI ELECTRIC CORP19 citations84
KDD CORP
4 patentsUS6459518B1Oct 1, 2002
Optical transmitting apparatus
KDD CORP33 citations93
US6377375B1Apr 23, 2002
Optical wavelength division multiplexed signal amplifying repeater and optical communication transmission line with very large capacity
KDD CORP20 citations93
US6504638B1Jan 7, 2003
Optical amplifying transmission system and optical amplifier
KDD CORP8 citations74
US6744990B1Jun 1, 2004
WDM optical transmission system and an optical transmission line thereof
KDD CORP5 citations63