MS

Mitsuhiro Sugiyama

NC Nhk Spring Co.: 1 patents #14 of 79Top 20%
Overall (2021): #327,700 of 548,734Top 60%
1
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11065641 Coil spring manufacturing method and coil spring manufacturing device Yoshimitsu Koyama, Tatsuya Watanuki 2021-07-20