{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Chisso", "item": "https://www.patentleaderboard.com/company/chisso"}, {"@type": "ListItem", "position": 3, "name": "Ryushi Syundo", "item": "https://www.patentleaderboard.com/inventor/fl:ry_ln:syundo-1"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RS

Ryushi Syundo — 2 Patents

CHChisso: 2 patents #331 of 833Top 40%
CPChisso Petrochemical: 2 patents #49 of 139Top 40%
Ichihara, JP: #878 of 1,659 inventorsTop 55%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Ryushi Syundo has been granted 2 US patents while listed as an inventor at Chisso. The first was granted in 2008 and the most recent in May 2009. Ryushi Syundo ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Ryushi Syundo in Ichihara, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7527746 Liquid crystal polyfunctional acrylate derivative and polymer thereof 2009-05-05
7357964 Liquid-crystalline vinyl ketone derivatives and their polymers Hiromichi Inoue, Kazutoshi Miyazawa 2008-04-15