Inventor
TOYODA SEIJI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “TOYODA SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
19 patentsUS6084050AJul 4, 2000
Thermo-optic devices
NIPPON TELEGRAPH & TELEPHONE74 citations95
US6537723B1Mar 25, 2003
Photosensitive composition for manufacturing optical waveguide, production method thereof and polymer optical waveguide pattern formation method using the same
NIPPON TELEGRAPH & TELEPHONE22 citations92
US7492975B2Feb 17, 2009
Optical switch, optical modulator and wavelength variable filter
NIPPON TELEGRAPH & TELEPHONE14 citations91
US6996321B2Feb 7, 2006
Optical waveguide and method of manufacture
NIPPON TELEGRAPH & TELEPHONE6 citations73
US6795232B2Sep 21, 2004
Wavelength converter
NIPPON TELEGRAPH & TELEPHONE12 citations73
US6792189B2Sep 14, 2004
Optical waveguide and method of manufacture
NIPPON TELEGRAPH & TELEPHONE8 citations73
US7340116B2Mar 4, 2008
Optical switch, optical modulator and wavelength variable filter
NIPPON TELEGRAPH & TELEPHONE7 citations72
US11165219B2Nov 2, 2021
Swept light source and drive data generation method and optical deflector for swept light source
NIPPON TELEGRAPH & TELEPHONE2 citations71
US7177514B2Feb 13, 2007
Optical waveguide material and optical waveguide
NIPPON TELEGRAPH & TELEPHONE2 citations62
US7110652B2Sep 19, 2006
Optical waveguide and method of manufacture
NIPPON TELEGRAPH & TELEPHONE2 citations62
US6933097B2Aug 23, 2005
Photosensitive composition for manufacturing optical waveguide, production method thereof and polymer optical waveguide pattern formation method using the same
NIPPON TELEGRAPH & TELEPHONE2 citations62
US6806040B2Oct 19, 2004
Photosensitive composition for manufacturing optical waveguide, production method thereof and polymer optical waveguide pattern formation method using the same
NIPPON TELEGRAPH & TELEPHONE2 citations62
US11721948B2Aug 8, 2023
Swept light source and drive data generation method and optical deflector for swept light source
NIPPON TELEGRAPH & TELEPHONE0 citations61
US7859666B2Dec 28, 2010
Electric field sensor
NIPPON TELEGRAPH & TELEPHONE2 citations61
US7356227B2Apr 8, 2008
Optical switch, optical modulator and wavelength variable filter
NIPPON TELEGRAPH & TELEPHONE3 citations61
US7336854B2Feb 26, 2008
Optical switch, optical modulator and wavelength variable filter
NIPPON TELEGRAPH & TELEPHONE1 citations61
US10205296B2Feb 12, 2019
Swept light source and method for controlling the same
NIPPON TELEGRAPH & TELEPHONE1 citations58
US7358036B2Apr 15, 2008
Photosensitive composition for manufacturing optical waveguide, production method thereof and polymer optical waveguide pattern formation method using the same
NIPPON TELEGRAPH & TELEPHONE0 citations51
US7340147B2Mar 4, 2008
Optical waveguide material and optical waveguide
NIPPON TELEGRAPH & TELEPHONE0 citations51