Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Hiroki Tsutsui — 3 Patents

RURubycon: 3 patents #9 of 31Top 30%
Nagano, JP: #1,360 of 3,331 inventorsTop 45%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Hiroki Tsutsui has been granted 3 US patents while listed as an inventor at Rubycon. All of these patents were granted in 2017. Hiroki Tsutsui ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Hiroki Tsutsui in Nagano, JP.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9799456 Solid electrolyte capacitor Akihiko Komatsu, Yoshishige Sakurai, Hayato Karasawa 2017-10-24
9786439 Solid electrolyte capacitor and housing for solid electrolyte capacitor Akihiko Komatsu, Yoshishige Sakurai, Hayato Karasawa 2017-10-10
9576742 Solid electrolyte capacitor and manufacturing method for same Akihiko Komatsu, Yoshishige Sakurai, Kazuyasu Watanabe 2017-02-21