YY

Yoshiyuki Yahagi

NK Nippon Kayaku: 3 patents #1 of 49Top 3%
Overall (2020): #61,736 of 565,922Top 15%
3
Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10866435 Optical film for eyewear with light control, light reflection, and polarization layers Kouichi Tanaka, Saki Abe, Yuki Aikawa 2020-12-15
10816709 Light reflection film and laminate having the light reflection film Tomoyuki Hayasaki, Hitoshi Asami, Kouichi Tanaka 2020-10-27
10525666 Optical laminate structure and head-up display system using the optical laminate structure, and light reflection film Tomoyuki Hayasaki, Hitoshi Asami, Chihiro Takahashi, Kouichi Tanaka 2020-01-07