Patents/Inventors

Yasunori Izawa

TokyoJP3 patents

4 Patents

US121408212024
Progressive Addition Lens and Design Method Therefor
HOYA LENS THAILAND Ltd.
0 cites
US120992602024
Progressive Addition Lens and Design Method Therefor
HOYA LENS THAILAND Ltd.
0 cites
US118860472024
Spectacle Lenses and Methods for Producing the Same
HOYA LENS THAILAND Ltd.
0 cites
US115989772023
Spectacle Lenses and Methods for Producing the Same
HOYA LENS THAILAND Ltd.
0 cites