Inventor · disambiguated record
Yichang Chan
Also filed as: CHAN YICHANG
4 granted patents·69 citations·filing 2002–2013
75Inventor score
Top patents by PatentIndex Score
4 records- 0191US6831662B1Apparatus and methods to achieve a variable color pixel border on a negative mode screen with a passive matrix drivePALMONE INC·Filed 2002·Granted Dec 14, 2004·59 cites·26 claims
- 0278US8237718B2Apparatus and methods to achieve a variable color pixel border on a negative mode screen with a passive matrix driveLUM DAVID W·Filed 2010·Granted Aug 7, 2012·3 cites·24 claims
- 0364US8949975B2Secure data access in hybrid disk driveTOSHIBA KK·Filed 2013·Granted Feb 3, 2015·2 cites·13 claims
- 0459US7724270B1Apparatus and methods to achieve a variable color pixel border on a negative mode screen with a passive matrix drivePALM INC·Filed 2004·Granted May 25, 2010·5 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →