Inventor
OOBA NAOKI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “OOBA NAOKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
5 patentsUS6122416ASep 19, 2000
Stacked thermo-optic switch, switch matrix and add-drop multiplexer having the stacked thermo-optic switch
NIPPON TELEGRAPH & TELEPHONE113 citations97
US6084050AJul 4, 2000
Thermo-optic devices
NIPPON TELEGRAPH & TELEPHONE74 citations95
US8346086B2Jan 1, 2013
Optical signal processing device
NIPPON TELEGRAPH & TELEPHONE16 citations83
US9723387B2Aug 1, 2017
Optical signal processing device with an array waveguide coupled to a slab waveguide with two arcs
NIPPON TELEGRAPH & TELEPHONE0 citations51
US10254625B2Apr 9, 2019
Optical signal processing device
NIPPON TELEGRAPH & TELEPHONE0 citations40