{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "2021", "item": "https://www.patentleaderboard.com/2021/"}, {"@type": "ListItem", "position": 3, "name": "Seiko Epson", "item": "https://www.patentleaderboard.com/2021/company/seiko-epson"}, {"@type": "ListItem", "position": 4, "name": "Junichi Takeuchi", "item": "https://www.patentleaderboard.com/2021/inventor/fl:ju_ln:takeuchi-5"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JT

Junichi Takeuchi — 2 Patents in 2021

DCDaido Steel Co.: 1 patents #2 of 13Top 20%
TKTanaka Kikinzoku Kogyo K.K.: 1 patents #23 of 57Top 45%
TCTocalo Co.: 1 patents #3 of 19Top 20%
Chino, JP: #16 of 83 inventorsTop 20%
Overall (2021): #144,132 of 548,734Top 30%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11193195 Component for hot-dip metal plating bath Masaya Nagai, Shinichi Kubo, Masashi Nagaya, Yoshinori Sumi, Yoshihiko KOYANAGI +2 more 2021-12-07
11094478 Clad material for electric contacts and method for producing the clad material Takumi Niitsuma, Yoshinori AOYAMA, Ryuta Ido, Hideya Takahashi 2021-08-17