Inventor
SUGITA AKIO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “SUGITA AKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
11 patentsUS6222967B1Apr 24, 2001
Packaging platform, optical module using the platform, and methods for producing the platform and the module
NIPPON TELEGRAPH & TELEPHONE110 citations96
US6027254AFeb 22, 2000
Opto-electronic hybrid integration platform, optical sub-module, opto-electronic hybrid integration circuit, and process for fabricating platform
NIPPON TELEGRAPH & TELEPHONE77 citations96
US5621837AApr 15, 1997
Opto-electronic hybrid integration platform, optical sub-module, opto-electronic hybrid integration circuit and process for fabricating platform
NIPPON TELEGRAPH & TELEPHONE86 citations96
US4978188ADec 18, 1990
Integrated optical device and method for manufacturing thereof
NIPPON TELEGRAPH & TELEPHONE52 citations95
US4900112AFeb 13, 1990
Integrated optical device and method for manufacturing thereof
NIPPON TELEGRAPH & TELEPHONE52 citations95
US6757454B2Jun 29, 2004
Polarization desensitized optical waveguide interferometer
NIPPON TELEGRAPH & TELEPHONE19 citations92
US6304706B1Oct 16, 2001
Planar lightwave circuit
NIPPON TELEGRAPH & TELEPHONE34 citations92
US4608129AAug 26, 1986
Polymer film with conductive pattern and method of manufacturing the same
NIPPON TELEGRAPH & TELEPHONE31 citations92
US6580862B2Jun 17, 2003
Optical waveguide circuit
NIPPON TELEGRAPH & TELEPHONE19 citations82
US4898766AFeb 6, 1990
Polymer film with conductive pattern and method of manufacturing the same
NIPPON TELEGRAPH & TELEPHONE10 citations70
US7389033B2Jun 17, 2008
Planar lightwave circuit type variable optical attenuator
NIPPON TELEGRAPH & TELEPHONE5 citations62