HS

Hirotaka Sakuma

Sumitomo Electric Industries: 3 patents #67 of 625Top 15%
SC Showa Denko Materials Co.: 1 patents #60 of 135Top 45%
Overall (2022): #48,383 of 548,613Top 9%
4
Patents 2022

Issued Patents 2022

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11476421 Organic electronics material and organic electronics element Kazuyuki KAMO, Iori FUKUSHIMA, Ryota MORIYAMA, Shunsuke KODAMA, Naoki Asano 2022-10-18
11322904 Optical amplifier and multi-core optical fiber Takemi Hasegawa, Tetsuya Hayashi 2022-05-03
11316316 Optical amplifier and multi-core optical fiber Takemi Hasegawa, Tetsuya Hayashi, Yoshiaki Tamura, Shigehiro Nagano 2022-04-26
11280958 Optical fiber, colored optical fiber, and optical transmission system Yuki Kawaguchi, Yoshiaki Tamura 2022-03-22