Assignee
Inventors
- Minoru Onoda (8 patents)
- Kazuhiko Ishimaru (76 patents)
- Shoji Nakamura (22 patents)
{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Optical glass composition, preform and optical element", "item": "https://www.patentleaderboard.com/patent/7897532"}]}
Skip to contentUS Patent 7897532 · Granted Mar 1, 2011