SI

Shozo Ishiyama

KC Konishiroku Photo Industry Co.: 1 patents #57 of 231Top 25%
Overall (1989): #57,760 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4830475 Focusing means for a zoom lens group Tadashi Kojima, Makoto Banno 1989-05-16