AS

Akiyasu Sumi

Canon: 2 patents #105 of 392Top 30%
Overall (1982): #16,541 of 81,411Top 25%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4322154 Mounting mechanism for the interchangeable lens assembly of a camera Shigeru Hashimoto 1982-03-30
4310231 Close-up copy photography apparatus Yuichiro Konishi, Nozomu Kitagishi 1982-01-12