CT

Chengheng TSAI

KI Keiwa Incorporated: 2 patents #1 of 11Top 10%
Nichia: 1 patents #124 of 324Top 40%
Overall (2022): #169,641 of 548,613Top 35%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11493803 Display device and light-diffusing sheet stacked body Ryohei Yamashita, Yusaku Achi 2022-11-08
11360350 Optical sheet, backlight unit, liquid crystal display device, and information device Motohiko Okabe, Takahiro Tsuji, Masayuki Sukigara 2022-06-14