Inventor · Tokyo, JP

Kazuhiko Sugiyama

33Patents
14h-index
58Co-inventors
84Inventor score

Filing activity: May 17, 1988 → Jun 26, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5314603A Plasma processing apparatus capable of detecting and regulating actual RF power at electrode within chamber Electricity 91 Expired
US6152168A Pressure-type flow rate control apparatus Emerging Cross-Sectional Technologies 71 Expired
US5147493A Plasma generating apparatus Electricity 66 Expired
US6178995A Fluid supply apparatus Emerging Cross-Sectional Technologies 45 Expired
US6422264B1 Parallel divided flow-type fluid supply apparatus, and fluid-switchable pressure-type flow control method and fluid-switchable pressure-type flow control system for the same fluid supply apparatus Emerging Cross-Sectional Technologies 41 Expired
US4869301A Cylinder cabinet piping system Emerging Cross-Sectional Technologies 41 Expired
US6967954B2 ATM edge node switching equipment utilized IP-VPN function Electricity 30 Expired
US5226968A Apparatus and method for oxidation treatment of metal Chemistry; Metallurgy 28 Expired
US6820632B2 Parallel divided flow-type fluid supply apparatus, and fluid-switchable pressure-type flow control method and fluid-switchable pressure-type flow control system for the same fluid supply apparatus Emerging Cross-Sectional Technologies 24 Expired
US6158679A Orifice for pressure type flow rate control unit and process for manufacturing orifice Physics 22 Expired
US7059363B2 Method of supplying divided gas to a chamber from a gas supply apparatus equipped with a flow-rate control system Emerging Cross-Sectional Technologies 17 Expired
US6964279B2 Pressure-type flow rate control apparatus Emerging Cross-Sectional Technologies 17 Expired
US7085628B2 Apparatus for the correction of temperature drift for pressure sensor, pressure control apparatus and pressure-type flow rate control apparatus Physics 16 Expired
US6841485B1 Method of manufacturing semiconductor device and manufacturing line thereof Electricity 15 Expired
US7297084B2 Transmission apparatus Mechanical Engineering; Lighting; Heating 13 Expired
US7497482B2 Pipe joint Mechanical Engineering; Lighting; Heating 12 Expired
US8496022B2 Device and method for supplying gas while dividing to chamber from gas supplying facility equipped with flow controller Emerging Cross-Sectional Technologies 12 Active
US5224998A Apparatus for oxidation treatment of metal Chemistry; Metallurgy 12 Expired
US5241987A Process gas supplying apparatus Emerging Cross-Sectional Technologies 12 Expired
US6848470B2 Parallel divided flow-type fluid supply apparatus, and fluid-switchable pressure-type flow control method and fluid-switchable pressure-type flow control system for the same fluid supply apparatus Emerging Cross-Sectional Technologies 9 Expired
US7367241B2 Differential pressure type flowmeter and differential pressure type flow controller Physics 8 Expired
US7669455B2 Automatic zero point correction device for a pressure sensor, a pressure control device and a pressure type flow rate control device Physics 7 Expired
US7211018B2 Differential planetary gear device, and differential planetary gear device starting device and starting method Mechanical Engineering; Lighting; Heating 6 Expired
US7654927B2 Transmission apparatus Mechanical Engineering; Lighting; Heating 6 Active
US9098082B2 Device and method for supplying gas while dividing to chamber from gas supplying facility equipped with flow controller Emerging Cross-Sectional Technologies 5 Active

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