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USPTO Patent Rankings Data through Dec 31, 2025
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Ryo Ookubo — 2 Patents

SYSysmex: 2 patents #337 of 868Top 40%
Kawasaki, JP: #8,037 of 15,035 inventorsTop 55%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Ryo Ookubo has been granted 2 US patents while listed as an inventor at Sysmex. All of these patents were granted in 2016. Ryo Ookubo ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Ryo Ookubo in Kawasaki, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D765875 Reagent set Fuminari HASEGAWA, Hiroyuki Ohashi, Shuji Nagai, Yasuhiro Yamamoto 2016-09-06
9308531 Reagent set and reagent container packing box Fuminari HASEGAWA, Hiroyuki Ohashi, Shuji Nagai, Yasuhiro Yamamoto 2016-04-12