Michael Acker
14Patents
4h-index
39Co-inventors
60Inventor score
Filing activity: May 17, 1988 → Sep 3, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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.