Inventor · Tokyo, JP

Hans-Jurgen Fromm

5Patents
4h-index
5Co-inventors
39Inventor score

Filing activity: May 20, 1987 → Feb 27, 1990

Most-cited inventions

PatentTitleAreaCited byStatus
US4925278A Liquid crystalline esters Chemistry; Metallurgy 16 Expired
US4830470A Liquid crystalline esters Chemistry; Metallurgy 6 Expired
US5013476A Liquid crystal compounds and indicating device employing same Chemistry; Metallurgy 6 Expired
US5100577A Ferroelectric liquid crystal mixtures and compounds as well as electro-optical devices employing same Chemistry; Metallurgy 5 Expired
US5082589A Liquid crystalline esters Chemistry; Metallurgy 3 Expired

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