Inventor · Tokyo, JP

Yuko Watanabe

24Patents
5h-index
42Co-inventors
69Inventor score

Filing activity: Nov 17, 1998 → Aug 15, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7842976B2 Semiconductor device having MOS transistors which are serially connected via contacts and conduction layer Electricity 16 Active
US7412223B1 Mobile communication terminal Electricity 15 Expired
US6265059A Porous film, process for the production thereof and recording subject comprising the porous film Emerging Cross-Sectional Technologies 7 Expired
US7111046B2 Method and apparatus for processing plural divided e-mails Electricity 7 Expired
US7979055B2 Apparatus and method for providing contents Electricity 5 Active
US7876627B2 Semiconductor memory device having a sense amplifier circuit with decreased offset Electricity 5 Active
US8531515B2 Imaging apparatus Electricity 4 Active
US7995405B2 Semiconductor memory device having a sense amplifier circuit with decreased offset Electricity 3 Active
US8643713B2 Imaging apparatus Electricity 2 Active
US7652827B2 Zoom lens Physics 2 Active
US6924946B2 Lens diaphragm device, video camera incorporated with the same, and lens for the video camera Physics 2 Expired
US7414874B2 Semiconductor memory device Electricity 1 Active
US7106515B2 Composition for vapor deposition, method for forming an antireflection film, and optical element Chemistry; Metallurgy 1 Expired
US8306968B2 Name retrieval method and name retrieval apparatus Physics 1 Active
US6627320B2 Method for producing composition for vapor deposition, composition for vapor deposition, and method for producing optical element with antireflection film Chemistry; Metallurgy 1 Expired
US8659321B2 Semiconductor device having sense amplifier Physics 0 Active
US8014081B2 Chromatic aberration compensating image optics Physics 0 Active
US7418685B2 Layout method for miniaturized memory array area Electricity 0 Expired
US10564387B2 Lens drive device and lens drive method Physics 0 Active
US10525518B2 Press-die-shape automatic creation system and program, and press-molding simulation system Physics 0 Active
US9563041B2 Optical system for an infrared ray Physics 0 Active
US9516209B2 Imaging apparatus Electricity 0 Active
US12243579B2 Layouts for sense amplifiers and related apparatuses and systems Physics 0 Active
US11417389B2 Layouts for sense amplifiers and related apparatuses and systems Physics 0 Active

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