Inventor
HIDA YASUHIRO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “HIDA YASUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
8 patentsUS6937797B2Aug 30, 2005
Planar lightwave circuit and optical circuit
NIPPON TELEGRAPH & TELEPHONE20 citations92
US6757454B2Jun 29, 2004
Polarization desensitized optical waveguide interferometer
NIPPON TELEGRAPH & TELEPHONE19 citations92
US6580862B2Jun 17, 2003
Optical waveguide circuit
NIPPON TELEGRAPH & TELEPHONE19 citations82
US7856163B2Dec 21, 2010
Planar lightwave circuit, design method for wave propagation circuit, and computer program
NIPPON TELEGRAPH & TELEPHONE6 citations73
US6625370B2Sep 23, 2003
Optical waveguide and fabricating method thereof, and optical waveguide circuit
NIPPON TELEGRAPH & TELEPHONE8 citations73
US6904204B2Jun 7, 2005
Array waveguide diffraction grating type optical multiplexer/demultiplexer
NIPPON TELEGRAPH & TELEPHONE10 citations68
US6775454B2Aug 10, 2004
Silica-based optical waveguide circuit and fabrication method thereof
NIPPON TELEGRAPH & TELEPHONE5 citations62
US7313297B2Dec 25, 2007
Wavelength multi/demultiplexer
NIPPON TELEGRAPH & TELEPHONE1 citations51
SAIDA TAKASHI
3 patentsUS8463097B2Jun 11, 2013
Planar lightwave circuit, design method for wave propagation circuit, and computer program
SAIDA TAKASHI2 citations60
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