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Hitoshi Okai — 2 Patents

ARArkray: 2 patents #127 of 354Top 40%
Kyoto, JP: #6,047 of 11,909 inventorsTop 55%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Hitoshi Okai has been granted 2 US patents while listed as an inventor at Arkray. The first was granted in 2016 and the most recent in October 2018. Hitoshi Okai ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Hitoshi Okai in Kyoto, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10101275 Plasma spectrochemical analysis method and plasma spectrochemical analyzer Yasunori Shiraki 2018-10-16
9409175 Mixing apparatus Takashige Tanaka, Junichi Oka, Daisuke Matsumoto 2016-08-09

Frequent Collaborators

Daisuke Matsumoto1 shared
Junichi Oka1 shared
Takashige Tanaka1 shared
Yasunori Shiraki1 shared

Nearby-Ranked Inventors

Leonard Mattheis2
Yiqi SHI2
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Julian Alexander Georgi2
Yoshihiro Asahara2
Assaf Ariel2