Inventor
ZHU JIANDONG
US7 patents
⚠️ This page may combine multiple inventors who share the name “ZHU JIANDONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANFORD LP
4 patentsUS7442725B2Oct 28, 2008
Color changing correction fluid
SANFORD LP9 citations82
US7655082B2Feb 2, 2010
Ink compositions containing an emulsion
SANFORD LP10 citations80
US12157826B2Dec 3, 2024
Ink formulations and associated writing instruments
SANFORD LP0 citations58
US9809722B2Nov 7, 2017
Transitorially erasable ink compositions and writing instruments containing same
SANFORD LP0 citations50