Inventor · disambiguated record
Chang Chao
Also filed as: CHAO CHANG C · CHAO CHANG CHIH · CHAO CHANG K
3 granted patents·2 pending applications·51 citations·filing 1986–2004
72Inventor score
Top patents by PatentIndex Score
5 records- 0178USD489416SLower case for palm-top TV gameFiled 2002·Granted May 4, 2004·32 cites·1 claims
- 0252US4721688AMethod of growing crystalsMOBIL SOLAR ENERGY CORP·Filed 1986·Granted Jan 26, 1988·14 cites·10 claims
- 0340US2004033835A1Device for illuminating palm-top TV gameFiled 2002·Application pending·0 cites
- 0434USD414218SHand held video game playerRUN YIELD ENTPR CO LTD·Filed 1998·Granted Sep 21, 1999·5 cites·1 claims
- 0534US2006000113A1Shoe structureHSUEH-CHENG PIN·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Chang Chao files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →