SS

Saburoh Sugawara

PE Pentax: 1 patents #515 of 761Top 70%
Overall (All Time): #3,897,051 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4905034 Automatic focusing projector Yasuyuki Tejima, Akihiro Arai, Hideaki Yuda, Shigeo Tohji 1990-02-27