Inventor

YI CHING-SHUN

TW2 patents

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

PREC INTERNAT CORP

1 patent

US7180303B1Feb 20, 2007

Simple partial discharge detector for power equipment using acoustic emission technique

PREC INTERNAT CORP13 citations73

UNELECTRA INTERNAT CORP

1 patent

US7339447B2Mar 4, 2008

High-voltage transformer coil with acoustic wave guiding function

UNELECTRA INTERNAT CORP2 citations51