Inventor · Calabasas, CA, US

Michael A. Ragosta

32Patents

10h-index

24Co-inventors

75Inventor score

Filing activity: Jan 18, 2002 → Feb 6, 2024

Most-cited inventions

Patent	Title	Area	Cited by	Status
USD466700S1	Support base for rotatable hair brush	General	32	Expired
US7481228B2	Hair styling tool with rotatable cylinder	Human Necessities	30	Active
US9185957B2	Automatic hair styling device	Human Necessities	26	Active
USD465654S1	Combined rotatable hairbrush and support base	General	23	Expired
US7631646B2	Hair styling tool with rotatable cylinder	Human Necessities	22	Active
USD466693S1	Rotatable hairbrush	General	17	Expired
US8573231B2	Hair styling tool with movable dividers	Human Necessities	15	Active
US8607470B2	Hair styler	Human Necessities	14	Active
US8881423B2	Concentrator	Human Necessities	13	Active
USD743624S1	Hair curler	General	12	Active
US9516938B2	Hair styler	Human Necessities	9	Active
USD678609S1	Hair styling apparatus	General	9	Active
USD726369S1	Hair dryer	General	7	Active
US9609941B2	Hair styling tool with movable dividers	Human Necessities	7	Active
USD724784S1	Automatic hair styling device	General	7	Active
US9521891B2	Hair styling tool with rotatable cylinder	Human Necessities	7	Active
USD900391S1	Hair styling apparatus	General	6	Active
USD735410S1	Automatic hair styling device	General	5	Active
USD626749S1	Brush with rotatable cylinder	General	5	Expired
US8360076B2	Hair styling tool with rotatable cylinder	Human Necessities	4	Active
US9289054B2	Hair styling tool with movable dividers	Human Necessities	4	Active
US8539965B2	Hair styling tool with rotatable cylinder	Human Necessities	4	Active
USD732738S1	Automatic hair styling device	General	4	Active
US8567416B2	Hair styling tool with rotatable cylinder	Human Necessities	4	Active
USD959053S1	Hair styling apparatus	General	4	Active

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