Inventor · Sunningdale, GB

Daniel James Twitchen

66Patents
9h-index
70Co-inventors
81Inventor score

Filing activity: Sep 3, 2003 → May 4, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8758509B2 Diamond sensors, detectors, and quantum devices Physics 61 Active
US8686377B2 Diamond sensors, detectors, and quantum devices Chemistry; Metallurgy 56 Active
US7740824B2 Optical quality diamond material Chemistry; Metallurgy 53 Active
US9249526B2 Diamond sensors, detectors, and quantum devices Chemistry; Metallurgy 48 Active
US9317811B2 Diamond material Chemistry; Metallurgy 28 Active
US7172655B2 Colored diamond Emerging Cross-Sectional Technologies 23 Expired
US9335606B2 Device for achieving multi-photon interference from nitrogen-vacancy defects in diamond material Electricity 20 Active
US7160617B2 Boron doped diamond Emerging Cross-Sectional Technologies 20 Expired
US7128974B2 Thick single crystal diamond layer method for making it and gemstones produced from the layer Emerging Cross-Sectional Technologies 18 Expired
US7964280B2 High colour diamond layer Emerging Cross-Sectional Technologies 7 Active
US8986646B2 Diamond material Human Necessities 6 Active
US9017633B2 CVD single crystal diamond material Emerging Cross-Sectional Technologies 6 Active
US7981721B2 Diamond transistor and method of manufacture thereof Electricity 6 Active
US7368723B2 Diamond radiation detector Physics 5 Expired
US9637838B2 Methods of manufacturing synthetic diamond material by microwave plasma enhanced chemical vapor deposition from a microwave generator and gas inlet(s) disposed opposite the growth surface area Electricity 3 Active
US7910083B2 Coloured diamond Emerging Cross-Sectional Technologies 3 Active
US8669764B2 Microfluidic cell and a spin resonance device for use therewith Physics 3 Active
US8986645B2 Diamond Emerging Cross-Sectional Technologies 3 Active
US9133566B2 High crystalline quality synthetic diamond Chemistry; Metallurgy 3 Active
US9017632B2 Diamond material Human Necessities 3 Active
US7887628B2 Thick single crystal diamond layer method for making it and gemstones produced from the layer Emerging Cross-Sectional Technologies 2 Active
US7837793B2 Method of manufacturing diamond substrates Emerging Cross-Sectional Technologies 2 Active
US9214407B2 Synthetic diamond heat spreaders Electricity 2 Active
US9551090B2 Optical quality diamond material Chemistry; Metallurgy 2 Active
US10273598B2 Synthetic CVD diamond Chemistry; Metallurgy 2 Active

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