Inventor · name-matched record
TSAI CHENGHENG
1 granted patent·2 pending applications·0 citations·filing 2024–2025
14Inventor score
Technology areasG02F
Files withKEIWA INC3
This identity is grouped by exact name match (no disambiguated inventor record was available for these filings) — it may combine same-named inventors.
Top patents by PatentIndex Score
3 records- 0187US2026079366A1Optical sheet laminate, backlight unit, liquid crystal display device, information equipment, and production method for backlight unitKEIWA INC·Filed 2025·Application pending·0 cites
- 0284US2026079365A1Light diffusion sheet, backlight unit, liquid crystal display device, and information equipmentKEIWA INC·Filed 2025·Application pending·0 cites
- 0380US12535706B2Optical sheet laminate, backlight unit, liquid crystal display device, information equipment, and production method for backlight unitKEIWA INC·Filed 2024·Granted Jan 27, 2026·0 cites·8 claims
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Identity basis: exact name match across USPTO filings. How scoring works →