FY

Fumikazu YOSHIZAWA

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #1,327,225 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12280974 Tape supply device, optical cable manufacturing apparatus, and optical cable manufacturing method Shogo Miyoshi 2025-04-22
11860438 Method for manufacturing intermittent connection-type optical fiber tape core wire and intermittent connection-type optical fiber tape core wire Fumiaki Sato, Keigo Yamamoto, Ken Takahashi 2024-01-02
11181709 Manufacturing method of optical fiber ribbon and manufacturing apparatus thereof Fumiaki Sato, Shigeru Suemori, Hiroki Ishikawa, Masahiko Ishikawa 2021-11-23