Inventor · disambiguated record
Cheng-Ru Chang
Also filed as: CHANG CHENG-RU
2 granted patents·1 pending application·6 citations·filing 2008–2009
44Inventor score
Technology areasG06K
Top patents by PatentIndex Score
3 records- 0169US7942341B2Two dimensional dot code, and decoding apparatus and method for a two dimensional dot codeELAN MICROELECTRONICS CORP·Filed 2008·Granted May 17, 2011·6 cites·13 claims
- 0241US2010102134A1Method for producing code patterns, and code patternsELAN MICROELECTRONICS CORP·Filed 2009·Application pending·0 cites
- 0335US8955760B2Code pattern for providing information and decoding method and image processing deviceCHANG CHENG-RU·Filed 2009·Granted Feb 17, 2015·0 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Cheng-Ru Chang 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 →