Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Knowledge base constructing system

Knowledge base constructing system

US Patent 5659668 · Granted Aug 19, 1997

Estimated economic value: $18,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Power generating system and power generating method2025
Curable composition, cured substance, optical member, and lens2025
Curable composition, cured product, optical member, lens, and method for manufac2025
Method and apparatus for treating combustible substance2025
Curable composition, cured substance, optical member, and lens2024
Sorting device2024
Curable composition, cured product, optical member, lens, and compound2024
Organic sludge treatment device and treatment method2023
Lens adhesive, cemented lens, and imaging module2022
Curable resin composition, cured product, diffractive optical element, multilaye2022
Compound, curable composition, cured product, optical member, and lens2022
Method and apparatus for reducing mercury content of cement kiln exhaust gas2021