Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Sumio Tagawa — 5 Patents

SASatake: 5 patents #25 of 187Top 15%
Hiroshima, JP: #1,059 of 4,738 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Sumio Tagawa has been granted 5 US patents while listed as an inventor at Satake. The first was granted in 2018 and the most recent in May 2024. Sumio Tagawa ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Sumio Tagawa in Hiroshima, JP.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11988546 Sieving device Shinpei Nobuto, Shogo Kawano 2024-05-21
11628444 Husking roll abnormality determination device of rice husker and rice husker using the same Takeshi Fukumori, Minoru Koreda 2023-04-18
11194315 Wireless communication apparatus that manages process in factory, and process management method Takeshi Fukumori 2021-12-07
11020748 Method and apparatus for controlling milling roll machine Ryo Yokoyama 2021-06-01
9863871 Illumination device for color sorter Teruhiko Takeuchi, Hidenobu Kado 2018-01-09