Inventor

CHAN YICHANG

US4 patents

⚠️ This page may combine multiple inventors who share the name “CHAN YICHANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PALMONE INC

1 patent

US6831662B1Dec 14, 2004

Apparatus and methods to achieve a variable color pixel border on a negative mode screen with a passive matrix drive

PALMONE INC59 citations94

PALM INC

1 patent

US7724270B1May 25, 2010

Apparatus and methods to achieve a variable color pixel border on a negative mode screen with a passive matrix drive

PALM INC5 citations71

LUM DAVID W

1 patent

US8237718B2Aug 7, 2012

Apparatus and methods to achieve a variable color pixel border on a negative mode screen with a passive matrix drive

LUM DAVID W3 citations59

TOSHIBA KK

1 patent

US8949975B2Feb 3, 2015

Secure data access in hybrid disk drive

TOSHIBA KK2 citations58