Inventor
SAIDA TAKASHI
JP33 patents
⚠️ This page may combine multiple inventors who share the name “SAIDA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
17 patentsUS6937797B2Aug 30, 2005
Planar lightwave circuit and optical circuit
NIPPON TELEGRAPH & TELEPHONE20 citations92
US6724957B2Apr 20, 2004
Optical filter
NIPPON TELEGRAPH & TELEPHONE18 citations84
US6823094B2Nov 23, 2004
Interferometer and its fabrication method
NIPPON TELEGRAPH & TELEPHONE12 citations74
US9223184B2Dec 29, 2015
Optical modulator
NIPPON TELEGRAPH & TELEPHONE4 citations73
US9128348B1Sep 8, 2015
Light modulation circuit
NIPPON TELEGRAPH & TELEPHONE4 citations73
US7856163B2Dec 21, 2010
Planar lightwave circuit, design method for wave propagation circuit, and computer program
NIPPON TELEGRAPH & TELEPHONE6 citations73
US7155086B2Dec 26, 2006
Optical signal processing device using optical gate
NIPPON TELEGRAPH & TELEPHONE7 citations73
US6625370B2Sep 23, 2003
Optical waveguide and fabricating method thereof, and optical waveguide circuit
NIPPON TELEGRAPH & TELEPHONE8 citations73
US10243664B2Mar 26, 2019
Optical modulator driver circuit and optical transmitter
NIPPON TELEGRAPH & TELEPHONE5 citations71
US8346030B2Jan 1, 2013
Polarization-independent waveguide-type optical interference circuit
NIPPON TELEGRAPH & TELEPHONE5 citations69
US10317709B2Jun 11, 2019
Optical modulator
NIPPON TELEGRAPH & TELEPHONE3 citations68
US7580597B2Aug 25, 2009
Optical functional circuit
NIPPON TELEGRAPH & TELEPHONE2 citations62
US7389033B2Jun 17, 2008
Planar lightwave circuit type variable optical attenuator
NIPPON TELEGRAPH & TELEPHONE5 citations62
US6775454B2Aug 10, 2004
Silica-based optical waveguide circuit and fabrication method thereof
NIPPON TELEGRAPH & TELEPHONE5 citations62
US10277271B2Apr 30, 2019
Optical module
NIPPON TELEGRAPH & TELEPHONE0 citations52
US12107626B2Oct 1, 2024
Wavelength monitoring device and controlling method thereof
NIPPON TELEGRAPH & TELEPHONE0 citations51
US10165690B2Dec 25, 2018
Solder joint structure of flexible printed circuit board
NIPPON TELEGRAPH & TELEPHONE1 citations51
SAIDA TAKASHI
6 patentsUS8948546B2Feb 3, 2015
Optical frequency shifter and optical modulator using the same
SAIDA TAKASHI2 citations61
US8463097B2Jun 11, 2013
Planar lightwave circuit, design method for wave propagation circuit, and computer program
SAIDA TAKASHI2 citations60
US9235003B2Jan 12, 2016
Waveguide-type polarization beam splitter
SAIDA TAKASHI1 citations51
US8554040B2Oct 8, 2013
Planar lightwave circuit, design method for wave propagation circuit, and computer program
SAIDA TAKASHI0 citations50
US8538222B2Sep 17, 2013
Planar lightwave circuit, design method for wave propagation circuit, and computer program
SAIDA TAKASHI0 citations50
US9323000B2Apr 26, 2016
Waveguide-type polarization beam splitter
SAIDA TAKASHI0 citations40
FUJI PHOTO FILM CO LTD
5 patentsUS4495276AJan 22, 1985
Photosensitive materials having improved antistatic property
FUJI PHOTO FILM CO LTD105 citations96
US4416963ANov 22, 1983
Electrically-conductive support for electrophotographic light-sensitive medium
FUJI PHOTO FILM CO LTD103 citations96
US4388360AJun 14, 1983
Magnetic recording medium
FUJI PHOTO FILM CO LTD10 citations74
US4105448AAug 8, 1978
Electrophotographic photosensitive layer and marking method
FUJI PHOTO FILM CO LTD12 citations73
US4120805AOct 17, 1978
Electrophotograhic liquid developer containing negatively charged toner
FUJI PHOTO FILM CO LTD3 citations62