Roger Leung
55Patents
18h-index
54Co-inventors
87Inventor score
Filing activity: Jun 26, 1985 → Oct 24, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6204202A | Low dielectric constant porous films | Electricity | 70 | Expired |
| US6444715B1 | Low dielectric materials and methods of producing same | Emerging Cross-Sectional Technologies | 63 | Expired |
| US4619988A | High strength and high tensile modulus fibers or poly(ethylene oxide) | Textiles; Paper | 57 | Expired |
| US6444495B1 | Dielectric films for narrow gap-fill applications | Electricity | 56 | Expired |
| US5376595A | Silicon carboxide ceramics from spirosiloxanes | Chemistry; Metallurgy | 54 | Expired |
| US5225283A | Coating for protecting a carbon-carbon composite from oxidative degradation | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6172128A | Nanoporous polymers crosslinked via cyclic structures | Chemistry; Metallurgy | 30 | Expired |
| US6214746A | Nanoporous material fabricated using a dissolvable reagent | Electricity | 28 | Expired |
| US5354602A | Reinforced silicon carboxide composite with boron nitride coated ceramic fibers | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6171687A | Infiltrated nanoporous materials and methods of producing same | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5244720A | Fiber-reinforced glass composite for protecting polymeric substrates | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6313185A | Polymers having backbones with reactive groups employed in crosslinking as precursors to nanoporous thin film structures | Electricity | 24 | Expired |
| US6413882B1 | Low dielectric foam dielectric formed from polymer decomposition | Electricity | 24 | Expired |
| US5231059A | Process for preparing black glass using cyclosiloxane precursors | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6653718B2 | Dielectric films for narrow gap-fill applications | Electricity | 22 | Expired |
| US5242866A | Carbon-containing black glass monoliths | Chemistry; Metallurgy | 22 | Expired |
| US6015457A | Stable inorganic polymers | Electricity | 19 | Expired |
| US7381441B2 | Low metal porous silica dielectric for integral circuit applications | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5328976A | Carbon-containing black glass monoliths | Chemistry; Metallurgy | 18 | Expired |
| US5438025A | Silicon oxycarbonitride by pyrolysis of polycyclosiloxanes in ammonia | Chemistry; Metallurgy | 18 | Expired |
| US5266533A | Black glass ceramic from rapid pyrolysis in oxygen-containing atmospheres | Chemistry; Metallurgy | 14 | Expired |
| US5455208A | Carbon-containing black glass monoliths | Chemistry; Metallurgy | 11 | Expired |
| US5318930A | Ceramic Fiber reinforced silicon carboxide composite with adjustable dielectric properties | Chemistry; Metallurgy | 10 | Expired |
| US6967172B2 | Colloidal silica composite films for premetal dielectric applications | Electricity | 10 | Expired |
| US6509415B1 | Low dielectric constant organic dielectrics based on cage-like structures | Emerging Cross-Sectional Technologies | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.