P

Inventor

CHOI WAI MING

US8 patents
⚠️ This page may combine multiple inventors who share the name “CHOI WAI MING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOLLINGSWORTH & VOSE CO

5 patents
US6802315B2Oct 12, 2004

Vapor deposition treated electret filter media

HOLLINGSWORTH & VOSE CO40 citations91
US6384100B1May 7, 2002

Graft polymerization, separators, and batteries including the separators

HOLLINGSWORTH & VOSE CO19 citations90
US7097939B2Aug 29, 2006

Gel-forming battery separator

HOLLINGSWORTH & VOSE CO25 citations87
US6955865B2Oct 18, 2005

Graft polymerization, separators, and batteries including the separators

HOLLINGSWORTH & VOSE CO5 citations60
US9192942B2Nov 24, 2015

Filter media with improved conductivity

HOLLINGSWORTH & VOSE CO1 citations58

ENTEGRIS INC

2 patents
US11103833B2Aug 31, 2021

Hydrophobic polyethylene membrane for use in venting, degassing, and membrane distillation processes

ENTEGRIS INC0 citations57
US10150087B2Dec 11, 2018

Organic solvent purifier and method of using

ENTEGRIS INC1 citations50

CHOI WAI-MING

1 patent
US9457322B2Oct 4, 2016

Porous composite membrane

CHOI WAI-MING12 citations71