Inventor · Ludwigshafen am Rhein, DE

Michael Acker

14Patents
4h-index
39Co-inventors
60Inventor score

Filing activity: May 17, 1988 → Sep 3, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5093492A Methine dyes and optical recording medium containing same Emerging Cross-Sectional Technologies 9 Expired
US4966798A Optical recording medium Emerging Cross-Sectional Technologies 9 Expired
US6084099A Preparation of N,N'-dialkylperylene-3,4,9,10-tetracarboxylic acid diimides Chemistry; Metallurgy 8 Expired
US4917989A Optical recording medium which has a reflector layer containing a silicon-phthalocyanine derivative Emerging Cross-Sectional Technologies 5 Expired
US5221751A Heterocyclic polymethine dyes with carbamate or amide groups Physics 3 Expired
US5338848A Indolizinetrimethine dyes Emerging Cross-Sectional Technologies 2 Expired
US5002863A Naphtholactamtrimethine dyes and optical recording medium containing same Emerging Cross-Sectional Technologies 1 Expired
US11091424B2 Preparation of acetate compounds via a ketene compound Chemistry; Metallurgy 0 Active
US11884611B2 Reactor for carrying out a gas-liquid two-phase high-pressure reaction with a foaming medium Chemistry; Metallurgy 0 Active
US5064702A Quinoxalinepentamethine dyes and optical recording medium containing same Emerging Cross-Sectional Technologies 0 Expired
US5235573A Repositioning laser beams in information storage media Physics 0 Expired
US5245058A Preparation of 1-nitroanthraquinone-2-carboxylic acids Chemistry; Metallurgy 0 Expired
US5166359A Azulenemethine dyes and an optical recording medium containing the novel dyes Physics 0 Expired
US11529607B2 Reactor for carrying out a reaction between two non-miscible fluids of different densities Performing Operations; Transporting 0 Active

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