Inventor

TOUKHY MEDHAT

US4 patents

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

LIU WEIHONG

2 patents

US9012126B2Apr 21, 2015

Positive photosensitive material

LIU WEIHONG5 citations68

US8841062B2Sep 23, 2014

Positive working photosensitive material

LIU WEIHONG6 citations67

OCG MICROELECTRONIC MATERIALS

1 patent

US5164286ANov 17, 1992

Photoresist developer containing fluorinated amphoteric surfactant

OCG MICROELECTRONIC MATERIALS28 citations86

CHEN CHUNWEI

1 patent

US8906594B2Dec 9, 2014

Negative-working thick film photoresist

CHEN CHUNWEI7 citations76