Inventor · Tokyo, JP

Norio Okada

68Patents
19h-index
58Co-inventors
87Inventor score

Filing activity: Jun 16, 1997 → May 29, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
USD496019S1 Mobile phone General 114 Expired
US6998712B2 Semiconductor device and method for manufacturing the same Electricity 93 Expired
USD508479S1 Earphone with microphone General 75 Expired
USD520980S1 Mobile phone General 68 Expired
USD542286S1 Panel for a mobile phone General 57 Expired
USD652404S1 Mobile phone General 49 Expired
USD493436S1 Mobile phone General 48 Expired
USD835693S1 Robotic device General 45 Active
USD625283S1 Mobile phone General 41 Expired
USD488461S1 Earphone with microphone General 39 Expired
USD488791S1 Mobile phone General 31 Expired
USD570323S1 Mobile phone General 30 Expired
USD622245S1 Mobile phone General 29 Expired
USD539277S1 Panel for a mobile phone General 29 Expired
USD770711S1 Head for a vacuum cleaner General 27 Active
USD510574S1 Earphone with microphone General 27 Expired
US6787480B2 Manufacturing method of semicondcutor device Electricity 27 Expired
US6424036B1 Semiconductor device and method for manufacturing the same Electricity 26 Expired
USD487736S1 Mobile phone General 25 Expired
US7551945B2 Mobile communication terminal Electricity 16 Expired
US6054381A Semiconductor device, and method of manufacturing same Electricity 16 Expired
USD626106S1 Mobile phone General 14 Expired
US6309958A Semiconductor device and method of manufacturing the same Electricity 14 Expired
USD776380S1 Brush for vacuum cleaner General 13 Active
USD779754S1 Handle for a vacuum cleaner General 11 Active

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