Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ryuichiro Mitani — 4 Patents

EBEbara: 3 patents #598 of 1,611Top 40%
Toshiba Memory: 1 patents #1,210 of 1,971Top 65%
Kabushiki Kaisha Toshiba: 1 patents #13,641 of 21,451Top 65%
Tokyo, JP: #30,468 of 90,295 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ryuichiro Mitani has been granted 4 US patents while listed as an inventor at Ebara. The first was granted in 2007 and the most recent in January 2021. Ryuichiro Mitani ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ryuichiro Mitani in Tokyo, JP.

Patents per Year

Patents granted per year, 2007 to 2021Bar chart with a peak of 1 patents in 2007.peak 12007: 1 patents20072013: 1 patents20132019: 1 patents20192021: 1 patents2021

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10890899 Method of semiconductor manufacturing apparatus and non-transitory computer-readable storage medium storing a program of causing computer to execute design method of semiconductor manufacturing apparatus Mitsunori Sugiyama, Akihiko Ogawa 2021-01-12
10207390 Processing end point detection method, polishing method, and polishing apparatus Noburu Shimizu, Shinro Ohta, Koji Maruyama, Yoichi Kobayashi, Shunsuke Nakai +1 more 2019-02-19
8554356 Processing end point detection method, polishing method, and polishing apparatus Noburu Shimizu, Shinro Ohta, Koji Maruyama, Yoichi Kobayashi, Shunsuke Nakai +1 more 2013-10-08
7300332 Polished state monitoring apparatus and polishing apparatus using the same Yoichi Kobayashi 2007-11-27