Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Photomask blank and photomask

Photomask blank and photomask

US Patent 7691546 · Granted Apr 6, 2010

Estimated economic value: $120,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Semiconductor device2025
Control apparatus and control method2025
Radiation-sensitive resin composition, method of forming resist pattern, polymer2025
Vapor phase growth method using reflector with changeable pattern2025
Reflective mask blank, and method for manufacturing reflective mask2025
Reflective mask blank, method of manufacturing thereof, and reflective mask2024
Ultrasonic transducer element, ultrasonic probe, and electrode structure of ultr2024
Vehicle sun visor2024
Substrate with multilayer reflection film for EUV mask blank, manufacturing meth2024
Vehicle sun visor equipped with card holder2023
Substrate with multilayer reflection film for EUV mask blank, manufacturing meth2023
Method of manufacturing reflective mask blank, and reflective mask blank2023