TK

Takeaki Kumagai

Canon: 3 patents #11,241 of 19,416Top 60%
Overall (All Time): #1,442,087 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11187829 Optical element, method for manufacturing the same, and optical apparatus Shuhei Yamamoto, Norihiko Ochi, Junri Ishikura 2021-11-30
9376553 Organic-inorganic composite molded product and optical element 2016-06-28
9353247 Molded article and method of producing the same 2016-05-31