KA

Katsuyuki Akutsu

SO Sony: 3 patents #402 of 3,100Top 15%
Overall (2017): #71,938 of 506,227Top 15%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9759920 Light reflecting member, light beam extension device, image display device, and optical device Hirotaka Akao 2017-09-12
9726890 Light beam expanding device, image display device, and optical device Nobuaki Kuribara, Teppei Imamura 2017-08-08
9541762 Optical device, and virtual image display Hiroshi Mukawa 2017-01-10