Inventor · San Jose, CA, US

David Youngquist

15Patents
9h-index
16Co-inventors
69Inventor score

Filing activity: Jun 27, 2001 → Feb 26, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9308391B2 Radiation-based dermatological devices and methods Human Necessities 73 Active
US8523849B2 Radiation-based dermatological devices and methods Human Necessities 59 Active
USD734479S1 Dermatological treatment device General 58 Active
US9308390B2 Devices and methods for radiation-based dermatological treatments Electricity 42 Active
USD612941S1 Dermatological optical delivery system General 39 Expired
US6473300B1 Light conduit for a storage device carrier assembly Physics 36 Expired
USD711538S1 Dermatological treatment system General 14 Active
US6608750B2 Handle-mounted light conduit for a storage device carrier Physics 11 Expired
US8679102B2 Devices and methods for radiation-based dermatological treatments Human Necessities 10 Active
US10045820B2 Internet connected dermatological devices and systems Physics 9 Active
US8685008B2 Devices and methods for radiation-based dermatological treatments Human Necessities 7 Active
US9789332B2 Devices and methods for radiation-based dermatological treatments Human Necessities 3 Active
US11406448B2 Devices and methods for radiation-based dermatological treatments Human Necessities 0 Active
US11612760B2 Cosmetic method and apparatus for the treatment of skin tissue using two wavelengths of laser energy Human Necessities 0 Active
US11964164B2 Cosmetic method and apparatus for the treatment of skin tissue using two wavelengths of laser energy Human Necessities 0 Active

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