CT

Chengheng TSAI

KI Keiwa Incorporated: 14 patents #1 of 36Top 3%
Nichia: 2 patents #761 of 1,531Top 50%
Overall (All Time): #329,849 of 4,157,543Top 8%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12393078 Light diffusion sheet, light diffusion sheet laminate, backlight unit, and liquid crystal display device Satoshi Shiba, Yu KARIYA 2025-08-19
12345980 Optical sheet laminate, backlight unit, liquid crystal display device, information equipment, and production method for backlight unit Hiroaki Ueno 2025-07-01
12313935 Light diffusion sheet, back-light unit, liquid crystal display device, information apparatus, and method for manufacturing back-light unit 2025-05-27
12292648 Optical sheet, backlight unit, liquid crystal display device, and information device Motohiko Okabe, Takahiro Tsuji, Masayuki Sukigara 2025-05-06
12197073 Optical sheet laminate, backlight unit, liquid crystal display device, information equipment, and production method for backlight unit 2025-01-14
12174489 Optical sheet laminate, backlight unit, liquid crystal display device, information equipment, and production method for backlight unit 2024-12-24
12135479 Optical sheet laminate, backlight unit, liquid crystal display device, information equipment, and production method for backlight unit Masanori Ehara 2024-11-05
12105376 Optical sheet, backlight unit, liquid crystal display apparatus, and information device 2024-10-01
12085807 Optical sheet laminate, backlight unit, liquid crystal display device, information equipment, and production method for backlight unit 2024-09-10
11886075 Optical sheet, backlight unit, liquid crystal display device, and information device Motohiko Okabe, Takahiro Tsuji, Masayuki Sukigara 2024-01-30
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
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