HS

Hirotaka Sakuma

Sumitomo Electric Industries: 2 patents #88 of 538Top 20%
RE Resonac: 1 patents #53 of 218Top 25%
Overall (2025): #60,590 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12398062 Method for producing optical fiber base material, and optical fiber base material Yuki Kawaguchi 2025-08-26
12216309 Optical fiber Yoshiaki Tamura, Yuki Kawaguchi, Masato Suzuki 2025-02-04
12202934 Charge-transport polymer and organic electronic element Iori FUKUSHIMA, Kenichi Ishitsuka, Kazuyuki KAMO, Shunsuke KODAMA, Tomotsugu SUGIOKA +3 more 2025-01-21