Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Kenichi Ol — 2 Patents

ESEspec: 1 patents #23 of 51Top 50%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Osaka, JP: #12,394 of 24,344 inventorsTop 55%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Kenichi Ol has been granted 2 US patents while listed as an inventor at Espec. The first was granted in 2007 and the most recent in August 2021. Kenichi Ol ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Kenichi Ol in Osaka, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D927447 Servo amplifier Shinichi Kato, Toshio Nakayama, Masahiro Ichikawa, Taku Kondo, Koji Uchimura 2021-08-10
7199598 Burn-in substrate for semiconductor devices 2007-04-03