Inventor · Harlow, GB

Derek H. Mash

2Patents
2h-index
2Co-inventors
30Inventor score

Filing activity: May 4, 1977 → Dec 28, 1981

Most-cited inventions

PatentTitleAreaCited byStatus
US4114990A Liquid crystal rotator Physics 38 Expired
US4477151A Smectic liquid crystal cell with heat pulse and laser Emerging Cross-Sectional Technologies 9 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.