MA

Masateru Asayama

NI Nikon: 6 patents #659 of 2,493Top 30%
Overall (All Time): #822,117 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10948684 Interchangeable lens Koji Nagaoka, Satoshi Kazahaya 2021-03-16
10739553 Lens barrel and optical apparatus 2020-08-11
9958635 Lens barrel and optical apparatus 2018-05-01
9268109 Lens barrel and optical apparatus 2016-02-23
6554503 Bayonet mount Hitoshi Imanari, Hidefumi Iinuma, Satoshi Hara 2003-04-29
6094538 Autofocus lens barrel Tsuneo Watanabe 2000-07-25