KJ

Kazufumi Joko

SC Sumitomo Electric Optifrontier Co.: 4 patents #2 of 28Top 8%
Overall (2025): #33,983 of 469,880Top 8%
4
Patents 2025

Issued Patents 2025

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D1092581 Optical fiber fusion splicer Tomoyoshi Sasaki, Ryuichiro Sato 2025-09-09
12384598 Housing case for fusion splicer and fusion splicer set Yuta Ryono, Tomoyoshi Sasaki, Ryuichiro Sato 2025-08-12
D1073757 Fusion splicer working tray Yuta Ryono, Tomoyoshi Sasaki, Ryuichiro Sato 2025-05-06
12197010 Reinforcement sleeve heating device and fusion splicing machine Shohei Ido, Ryosuke Meo, Hiroshi Takayanagi 2025-01-14