Inventor
TOMITA NOBUO
JP18 patents
⚠️ This page may combine multiple inventors who share the name “TOMITA NOBUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON TELEGRAPH & TELEPHONE
4 patentsUS6256443B1Jul 3, 2001
Optical fiber distribution module for holding an optical fiber cord and fiber distribution system using optical fiber cords
NIPPON TELEGRAPH & TELEPHONE167 citations96
US5234772AAug 10, 1993
Dielectric multilayer, filter, manufacturing method therefor, and optical element incorporating the same
NIPPON TELEGRAPH & TELEPHONE24 citations91
US5177354AJan 5, 1993
Device and a method for distinguishing faults employed in an optical transmission system
NIPPON TELEGRAPH & TELEPHONE32 citations91
US5332535AJul 26, 1994
Method of fabricating a dielectric multilayer filter
NIPPON TELEGRAPH & TELEPHONE8 citations72
SUMITOMO ELECTRIC INDUSTRIES
4 patentsUS5483608AJan 9, 1996
Optical switch for switching plural optical fibers
SUMITOMO ELECTRIC INDUSTRIES53 citations92
US5261018ANov 9, 1993
Optical-coupler reinforcing material and optical-coupler reinforcing method
SUMITOMO ELECTRIC INDUSTRIES25 citations92
US5940553AAug 17, 1999
Optical switch
SUMITOMO ELECTRIC INDUSTRIES7 citations73
US5926588AJul 20, 1999
Optical switch
SUMITOMO ELECTRIC INDUSTRIES13 citations73