KJ

Kazufumi Joko

SC Sumitomo Electric Optifrontier Co.: 6 patents #4 of 57Top 8%
SC Sei Optifrontier Co.: 4 patents #19 of 82Top 25%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #476,268 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 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
11882922 Storage case Shohei Ido, Yasuhiro Sakamoto 2024-01-30
D983851 Optical fiber fusion splicer Shohei Nakamura, Hiroki Akiyama 2023-04-18
D918016 Reinforcement device for the optical fiber fusion splicer Ryosuke Meo 2021-05-04
10126503 Optical-fiber fusion-splicing device Ryosuke Meo, Makoto Miyamori, Toshihiko Homma 2018-11-13
10101534 Optical-fiber fusion-splicing device Ryosuke Meo, Makoto Miyamori, Toshihiko Homma 2018-10-16
10048442 Reinforcement device for optical-fiber spliced section Ryosuke Meo, Makoto Miyamori, Toshihiko Homma 2018-08-14