Zefram Marks — 7 Patents | Patent Leaderboard

Zefram Marks has been granted 7 US patents. The first was granted in 2020 and the most recent in July 2025. Zefram Marks ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Zefram Marks in Fremont, CA, US.

Patents per Year

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12360058	Integration of an optical height sensor in mask inspection tools	Dmitry Skvortsov, Zhengyu Guo, Zhengcheng Lin, Nicolas Steven Juliano, Rui-fang Shi	2025-07-15
11968772	Optical etendue matching methods for extreme ultraviolet metrology	Larissa Juschkin, Daniel Wack	2024-04-23	$90,253,000
11268911	Boron-based capping layers for EUV optics	Gildardo Delgado, Shannon Hill	2022-03-08
11156926	Vacuum actuator containment for molecular contaminant and particle mitigation	Gildardo Delgado, Rudy F. Garcia, Joseph Walsh, Matthew Bernard McLaughlin Hoffman	2021-10-26	$143,653,000
10840055	System and method for photocathode illumination inspection	Gildardo Delgado, Katerina Ioakeimidi, Frances Hill, Rudy F. Garcia, Mike Romero +1 more	2020-11-17	$87,384,000
10741354	Photocathode emitter system that generates multiple electron beams	Gildardo Delgado, Katerina Ioakeimidi, Rudy F. Garcia, Gary V. Lopez Lopez, Frances Hill +1 more	2020-08-11
10714294	Metal protective layer for electron emitters with a diffusion barrier	Frances Hill, Gildardo Delgado, Rudy F. Garcia, Gary V. Lopez Lopez, Michael E. Romero +1 more	2020-07-14

Zefram Marks — 7 Patents

Patents per Year

Issued Patents All Time

Patent Widget