Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RK

Ryuma Kumo — 1 Patent

CKCkd: 1 patents #167 of 332Top 55%
Suita, JP: #759 of 1,253 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Ryuma Kumo has been granted 1 US patent while listed as an inventor at Ckd. All of these patents were granted in 2018. Ryuma Kumo ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Ryuma Kumo in Suita, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

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