SU

Shoichi Umakoshi

DC Dainippon Screen Mfg. Co.: 1 patents #531 of 977Top 55%
SC Screen Holdings Co.: 1 patents #452 of 686Top 70%
Overall (All Time): #1,747,415 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11897274 Printing apparatus and head maintenance method in printing apparatus Kazuhiko Asada 2024-02-13
5223951 Method of and apparatus for eliminating false image 1993-06-29