Inventor
LEE WON SANG
US23 patents
⚠️ This page may combine multiple inventors who share the name “LEE WON SANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RFHIC CORP
14 patentsUS11521957B1Dec 6, 2022
Semiconductor device and method of manufacture
RFHIC CORP8 citations85
US10128107B1Nov 13, 2018
Wafers having III-Nitride and diamond layers
RFHIC CORP15 citations76
US10861947B2Dec 8, 2020
Methods for processing high electron mobility transistor (HEMT)
RFHIC CORP1 citations72
US10707311B2Jul 7, 2020
High electron mobility transistor (HEMT)
RFHIC CORP1 citations72
US10217827B2Feb 26, 2019
High electron mobility transistor (HEMT)
RFHIC CORP2 citations72
US12261206B2Mar 25, 2025
Method of forming vias in a GaN/diamond wafer
RFHIC CORP0 citations62
US11901418B2Feb 13, 2024
GaN/diamond wafers
RFHIC CORP0 citations62
US11901417B2Feb 13, 2024
GaN/diamond wafers
RFHIC CORP0 citations62
US11652146B2May 16, 2023
Method of forming a semiconductor wafer containing a gallium-nitride layer and two diamond layers
RFHIC CORP0 citations62
US11502175B2Nov 15, 2022
GaN/diamond wafers
RFHIC CORP0 citations62
US11476335B2Oct 18, 2022
GaN/diamond wafers
RFHIC CORP0 citations62
US11424328B2Aug 23, 2022
GaN/diamond wafers
RFHIC CORP0 citations62
US11146243B2Oct 12, 2021
Bulk acoustic wave filter
RFHIC CORP0 citations62
US10594298B2Mar 17, 2020
Bulk acoustic wave filter
RFHIC CORP0 citations51