Inventor · Ushiku, JP

Hideki Gotoh

19Patents
7h-index
38Co-inventors
66Inventor score

Filing activity: Jan 19, 1989 → Sep 5, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5804834A Semiconductor device having contact resistance reducing layer Electricity 63 Expired
US4902356A Epitaxial substrate for high-intensity led, and method of manufacturing same Emerging Cross-Sectional Technologies 49 Expired
US6278137A Semiconductor light-emitting devices Electricity 29 Expired
US5811839A Semiconductor light-emitting devices Electricity 17 Expired
US6214307A Exhaust gas purifying catalyst and exhaust gas purifying method Emerging Cross-Sectional Technologies 13 Expired
US5838028A Semiconductor device having a ridge or groove Electricity 12 Expired
US5436431A Toner image fixing device having improved lamp heater Physics 7 Expired
US6265733A Semiconductor device and method for manufacturing the same Electricity 6 Expired
US5018159A Divided electrode type semiconductor laser device Electricity 5 Expired
US5827365A Compound semiconductor and its fabrication Electricity 3 Expired
US5376581A Fabrication of semiconductor laser elements Emerging Cross-Sectional Technologies 3 Expired
US6744066B2 Semiconductor device and method for manufacturing the same Electricity 2 Expired
US5608751A Laser diode and process for producing the same Electricity 2 Expired
US10397244B2 System and method for detecting attack when sensor and traffic information are inconsistent Electricity 1 Active
US12035456B2 Magneto-optical trap method and apparatus using positive and negative g-factors Physics 0 Active
US4969151A Semiconductor laser devices Electricity 0 Expired
US6589807B2 Semiconductor device and method for manufacturing the same Electricity 0 Expired
US11800629B2 Magneto-optical trap method and apparatus using positive and negative g-factors Physics 0 Active
US5145807A Method of making semiconductor laser devices Emerging Cross-Sectional Technologies 0 Expired

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