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USPTO Patent Rankings Data through Dec 31, 2025
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Tsuneo Gemba — 2 Patents

ISIst: 1 patents #20 of 49Top 45%
KCKuraray Chemical Co.: 1 patents #34 of 81Top 45%
KCKuraray Co.: 1 patents #981 of 1,827Top 55%
Okayama, JP: #548 of 1,590 inventorsTop 35%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Tsuneo Gemba has been granted 2 US patents while listed as an inventor at Ist. The first was granted in 1988 and the most recent in May 1990. Tsuneo Gemba ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Tsuneo Gemba in Okayama, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4925461 Process for separating nitrogen gas by pressure swing adsorption system Takeshi Tamaru, Tetsuhiko Matsuura 1990-05-15
4731283 Waterproof cloth and process for production thereof Isamu Sakane, Satuski Kawauchi, Minoru Maekawa 1988-03-15

Frequent Collaborators

Takeshi Tamaru1 shared
Tetsuhiko Matsuura1 shared
Satuski Kawauchi1 shared
Isamu Sakane1 shared
Minoru Maekawa1 shared

Nearby-Ranked Inventors

Leonard Mattheis2
Yiqi SHI2
Roberto DiCecco2
Haoneng Xu2
Emily Chew2
So Young Bae2
Julian Alexander Georgi2
Yoshihiro Asahara2
Assaf Ariel2