HO

Hiroki Oi

Fujitsu Limited: 8 patents #3,989 of 24,456Top 20%
Overall (All Time): #608,714 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11876559 Optical transmission system and fiber type determination method Goji Nakagawa, Takafumi Terahara 2024-01-16
10541749 Optical wavelength multiplexing transmission apparatus and optical wavelength multiplexing transmission method Shigeru Ishii, Takehiro Fujita, Tatsuya Tsuzuki 2020-01-21
10256903 Network controller and signal quality estimating method Shoichiro Oda, Yasuhiko Aoki, Takeshi Hoshida, Hisao Nakashima 2019-04-09
10020878 Optical signal-to-noise ratio monitor and method for measuring optical signal to-noise ratio Shoichiro Oda, Yasuhiko Aoki, Satoru Okano, Yoichi Akasaka, Jeng-Yuan Yang 2018-07-10
9906296 Network controller and signal quality estimating method Shoichiro Oda, Yasuhiko Aoki, Takeshi Hoshida, Hisao Nakashima 2018-02-27
9444572 Transmission device and transmission method Tomohiro Kaneoka, Norifumi Shukunami 2016-09-13
9432113 Optical transmission device Kosuke Komaki 2016-08-30
9071379 Optical branching and insertion device, network management device, and wavelength selective switch Takafumi Terahara 2015-06-30