KK

Koji Kawai

MC Miyoshi Oil & Fat Co.: 2 patents #1 of 8Top 15%
TC Tokai Optical Co.: 2 patents #1 of 9Top 15%
Overall (2022): #138,340 of 548,613Top 30%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11401400 Plastic lens Yuichi Shishino, Shingo Ono, Kotaro Kaneko, Nobuhiro Kaneko 2022-08-02
11370780 Additive for imparting ultraviolet absorbency and/or high refractive index to matrix, and resin member using same Kotaro Kaneko, Nobuhiro Kaneko, Yuichi Shishino, Kuniyoshi Okamoto 2022-06-28