HY

Hisao Yui

SC Sei Optifrontier Co.: 3 patents #27 of 82Top 35%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #1,209,221 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8992101 Heating device for optical-fiber reinforcement, and optical-fiber fusion splicing device Masakazu Fukuda, Ryuichiro Sato, Hiroshi Takayanagi 2015-03-31
8950955 Heating device for optical-fiber reinforcement, and optical-fiber fusion splicing device Masakazu Fukuda, Ryuichiro Sato, Hiroshi Takayanagi 2015-02-10
D709286 Carrying case for an optical fiber fusion splicer Hiroshi Takayanagi, Teruaki Nishida, Hiroyasu Toyooka 2014-07-22
D652212 Carrying case for an optical fiber fusion splicer Hiroshi Takayanagi 2012-01-17