P

Inventor

LIU RONG-JI

TW10 patents
⚠️ This page may combine multiple inventors who share the name “LIU RONG-JI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LIU RONG-JI

5 patents
US7031028B2Apr 18, 2006

Optical scanner equipped with plug-in calibration film

LIU RONG-JI14 citations81
US7215447B2May 8, 2007

Method of optimal focusing for document scanner

LIU RONG-JI6 citations71
US8279496B2Oct 2, 2012

Method of optimal focusing for document scanner

LIU RONG-JI2 citations60
USRE42033EJan 18, 2011

Single step multi-section exposure scanning method

LIU RONG-JI2 citations60
US7733541B2Jun 8, 2010

Method of shortening multiple-image scanning duration

LIU RONG-JI1 citations49

CHANG TOM-CHIN

2 patents
US7511863B2Mar 31, 2009

Scanning device and method for saving compensation memory

CHANG TOM-CHIN0 citations50
US7206093B2Apr 17, 2007

Scanning device and method for saving compensation memory

CHANG TOM-CHIN0 citations50

UMAX DATA SYSTEMS INC

1 patent
US6608301B2Aug 19, 2003

Single step multi-section exposure scanning method

UMAX DATA SYSTEMS INC8 citations72

TRANSPACIFIC IP LTD

1 patent
US7265878B2Sep 4, 2007

Method of shortening multiple-image scanning duration

TRANSPACIFIC IP LTD5 citations71

TRANSPACIFIC SYSTEMS LLC

1 patent
USRE42774EOct 4, 2011

Single step multi-section exposure scanning method

TRANSPACIFIC SYSTEMS LLC0 citations50