{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Tonen", "item": "https://www.patentleaderboard.com/company/tonen"}, {"@type": "ListItem", "position": 3, "name": "Setsuko Katoh", "item": "https://www.patentleaderboard.com/inventor/fl:se_ln:katoh-3"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SK

Setsuko Katoh — 1 Patent

TOTonen: 1 patents #126 of 264Top 50%
Iruma, JP: #226 of 400 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Setsuko Katoh has been granted 1 US patent while listed as an inventor at Tonen. All of these patents were granted in 1996. Setsuko Katoh ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Setsuko Katoh in Iruma, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5578466 Recombinant co-expression system of protein disulfide isomerase gene, yeast receptor protein ERD2 gene and a foreign product polypeptide gene, and a process for producing the foreign polypeptide using such system Toshiya Hayano, Nobuhiro Takahashi, Masanori Suzuki, Keiichi Honma 1996-11-26