Inventor · Wayland, MA, US

John Schlafer

13Patents
8h-index
16Co-inventors
69Inventor score

Filing activity: Jun 26, 1975 → Nov 18, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US7627126B1 Systems and methods for implementing path length control for quantum cryptographic systems Electricity 95 Expired
US7242774B1 Quantum cryptography based on phase entangled photons Electricity 38 Expired
US4269648A Method for mounting microsphere coupling lenses on optical fibers Physics 35 Expired
US5253250A Routing and switching of high-speed optical data with the header transmitted on a subcarrier frequency Electricity 35 Expired
US4616899A Methods of and apparatus for coupling an optoelectronic component to an optical fiber Physics 34 Expired
US4117177A Laser lithography of thin film resinates Emerging Cross-Sectional Technologies 14 Expired
US5103455A Monolithically integrated semiconductor optical preamplifier Electricity 13 Expired
US4023126A Scanning photographic printer for integrated circuits Physics 10 Expired
US4053905A Optical scanning apparatus for photolithography of a color cathode ray tube having an aperture mask Electricity 5 Expired
US4027312A Optical scanning apparatus and method for manufacturing cathode ray tubes Electricity 4 Expired
US5069561A Monolithically integrated ridge waveguide semiconductor optical preamplifier Electricity 3 Expired
US5034678A Method of and apparatus for measuring the frequency response of an electrooptic device using an optical white noise generator Physics 2 Expired
US4373781A Acoustic to optical pulse code modulating transducer Physics 2 Expired

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