RK

Ryuma Kumo

CK Ckd: 1 patents #167 of 332Top 55%
Overall (All Time): #2,911,995 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10094497 Tube with coupling Katsumi Ogawa, Yujiro Deguchi, Masayoshi Kaneko, Hideyuki Takeda 2018-10-09