Inventor · Osaka, JP

Etsuo Yamamoto

39Patents
10h-index
35Co-inventors
75Inventor score

Filing activity: Jun 28, 1973 → Jan 11, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US4655552A Flat panel display device having on-screen data input function Physics 88 Expired
US4673253A Method of making a liquid crystal display with color filters Emerging Cross-Sectional Technologies 67 Expired
US4610509A Liquid crystal color display panels Physics 39 Expired
US8439998B2 Manufacturing method of metal product and metal product Emerging Cross-Sectional Technologies 27 Active
US4748445A Matrix display panel having a diode ring structure as a resistive element Physics 19 Expired
US4473481A Lubricant film for preventing galling of sliding metal surfaces Chemistry; Metallurgy 17 Expired
US7850105B2 Jet mill Performing Operations; Transporting 13 Active
US7434853B2 Door latch apparatus Emerging Cross-Sectional Technologies 13 Expired
US8398007B2 Jet mill Performing Operations; Transporting 11 Active
US6280642A Ink jet head and method of manufacturing same Performing Operations; Transporting 11 Expired
US8923473B2 Signal processing circuit, driver circuit, and display device Physics 9 Active
US8427206B2 Buffer and display device Physics 8 Active
US7505020B2 Display device driving circuit, display device, and driving method of the display device Physics 8 Active
US3950434A Method for producing biphenyls Chemistry; Metallurgy 6 Expired
US7537249B2 Latch device and device for controlling opening/closing of door Emerging Cross-Sectional Technologies 6 Active
US7701426B2 Display device and method of driving the same Physics 6 Active
US8779809B2 Signal processing circuit, inverter circuit, buffer circuit, level shifter, flip-flop, driver circuit, and display device Electricity 5 Active
US8923472B2 Flip flop, shift register, driver circuit, and display device Physics 4 Active
US6306562A Ink jet head and process for producing the same Performing Operations; Transporting 4 Expired
US4369073A Method for protecting the inner surface of a copper alloy condenser tube from corrosion Mechanical Engineering; Lighting; Heating 4 Expired
US9024681B2 Signal processing circuit, inverter circuit, buffer circuit, driver circuit, level shifter, and display device Physics 3 Active
US9030237B2 Transistor circuit, flip-flop, signal processing circuit, driver circuit, and display device Physics 3 Active
US10228595B2 Display device with layered wiring structure for external connection Physics 3 Active
US10241369B2 Display device Physics 2 Active
US8933918B2 Display driving circuit, display device and display driving method Physics 1 Active

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