{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Companies", "item": "https://www.patentleaderboard.com/companies"}, {"@type": "ListItem", "position": 3, "name": "O-Ta Precision Casting Co.", "item": "https://www.patentleaderboard.com/company/o-ta-precision-casting-co"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
OC

O-Ta Precision Casting Co. — 6 Patents

Rank (All Time): #85,999 of 105,732Top 85%
3 inventors
6 Patents All Time

Top Inventors at O-Ta Precision Casting Co. All Time

Showing 1–3 of 3 inventors

RankNamePatents
1 Chih-Yeh Chao 2
1 Chon-Chen Lin 2
1 Kung-Wen Lee 2