{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Eisai", "item": "https://www.patentleaderboard.com/company/eisai"}, {"@type": "ListItem", "position": 3, "name": "Makoto Uzuka", "item": "https://www.patentleaderboard.com/inventor/fl:ma_ln:uzuka-1"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MU

Makoto Uzuka — 2 Patents

EIEisai: 1 patents #611 of 998Top 65%
SLShiseido Company, Limited: 1 patents #543 of 1,112Top 50%
Yokohama, JP: #26,468 of 49,234 inventorsTop 55%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Makoto Uzuka has been granted 2 US patents while listed as an inventor at Eisai. The first was granted in 1987 and the most recent in January 1991. Makoto Uzuka ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Makoto Uzuka in Yokohama, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4985425 Dissolved composition of [benzo-1,2,4-thiadiazine]-1,1-dioxide Tadahiro Chiba, Kiyoshi Miyazawa, Takashi Suzuki 1991-01-15
4713397 Composition for reducing natural hair fall-out Shinichi Hirama, Toshio Nishiyama, Youichi Ohta, Kenichi Tomita, Keisuke Nakajima +1 more 1987-12-15