RK

Ryouichi Kamon

RI Riken: 2 patents #375 of 1,824Top 25%
TC Tokusen Kogyo Co.: 1 patents #27 of 68Top 40%
Overall (All Time): #1,976,697 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9617952 Compression ring and its production method Yuji Shima, Junya Takahashi 2017-04-11
9599223 Compression ring and its production method Yuji Shima 2017-03-21