{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Unknown", "item": "https://www.patentleaderboard.com/company/unknown"}, {"@type": "ListItem", "position": 3, "name": "Ken KAWABE", "item": "https://www.patentleaderboard.com/inventor/fl:ke_ln:kawabe-5"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
KK

Ken KAWABE — 2 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
YCYanmar Holdings Co.: 2 patents #230 of 636Top 40%
JLJohnson Matthey Public Limited: 1 patents #446 of 922Top 50%
Osaka, JP: #12,394 of 24,344 inventorsTop 55%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Ken KAWABE has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 2009 and the most recent in February 2020. Ken KAWABE ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Ken KAWABE in Osaka, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10562013 Oxidation catalyst for diesel engines Shohei Hoshino, Masahito Shibata, Yoshihito Hashimoto 2020-02-18
7547539 Reaction apparatus for organic and/or other substances employing supercritical fluid or subcritical fluid Makoto Ikegami 2009-06-16