YU

Yoshikazu Umezawa

AC Arisawa Mfg. Co.: 1 patents #49 of 105Top 50%
📍 Joetsu, JP: #178 of 239 inventorsTop 75%
Overall (All Time): #3,687,413 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5768019 Reflective screen for a liquid crystal projector and method for producing the same Masatoshi Niwa, Hajime Maruta 1998-06-16