Paul Michael Ferm
14Patents
8h-index
28Co-inventors
72Inventor score
Filing activity: Jul 1, 1993 → Feb 16, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5396350A | Backlighting apparatus employing an array of microprisms | Mechanical Engineering; Lighting; Heating | 414 | Expired |
| US5481385A | Direct view display device with array of tapered waveguide on viewer side | Physics | 233 | Expired |
| US5598281A | Backlight assembly for improved illumination employing tapered optical elements | Physics | 224 | Expired |
| US5462700A | Process for making an array of tapered photopolymerized waveguides | Physics | 174 | Expired |
| US5521726A | Polarizer with an array of tapered waveguides | Physics | 73 | Expired |
| US5657408A | Optical device comprising a plurality of units having at least two geometrically-differentiated tapered optical waveguides therein | Emerging Cross-Sectional Technologies | 65 | Expired |
| US5696865A | Optical waveguide having two or more refractive indices and method of manufacturing same | Emerging Cross-Sectional Technologies | 61 | Expired |
| US6487354B1 | Design of low insertion loss, single-mode polymeric waveguides | Physics | 15 | Expired |
| US7011932B2 | Polymer waveguide fabrication process | Physics | 8 | Expired |
| US6709755B2 | Method of priming inorganic substrates with a silane-based primer composition | Emerging Cross-Sectional Technologies | 4 | Expired |
| US10287482B2 | Particles containing one or more controlled release cross-linked active agents | Chemistry; Metallurgy | 1 | Active |
| US10017685B2 | Controlled release granule with water resistant coating | Chemistry; Metallurgy | 0 | Active |
| US12285516B2 | Biodegradable polyesters for water-resistant oil-in-water suncare formulations | Human Necessities | 0 | Active |
| US12290590B2 | Biodegradable polyesters for water-resistant anhydrous suncare formulations | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.