CT

Chengheng TSAI

KI Keiwa Incorporated: 2 patents #2 of 8Top 25%
Overall (2021): #171,711 of 548,734Top 35%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11150512 Optical sheet, backlight unit, liquid crystal display device, and information device Motohiko Okabe, Takahiro Tsuji, Masayuki Sukigara 2021-10-19
11143914 Multilayer of light diffusers, backlight unit, and liquid crystal display device Masayuki Sukigara, Motohiko Okabe, Takahiro Tsuji 2021-10-12