Inventor

CHEN YUH-FENG

TW2 patents

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

IND TECH RES INST

1 patent

US6660138B2Dec 9, 2003

Electropolishing process means for an inner surface of a long tube

IND TECH RES INST14 citations81

UREX PREC INC

1 patent

US6420886B1Jul 16, 2002

Membrane probe card

UREX PREC INC12 citations67