Inventor

PIEN CHIEN-CHUNG

TW3 patents

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

IND TECH RES INST

1 patent

US5448407ASep 5, 1995

Equivalent wollaston prism for an optical pick-up head and an optical pick-up head using of the same

IND TECH RES INST7 citations63

TOPRAY MEMS INC

1 patent

US9341811B2May 17, 2016

Method and apparatus for adjusting-free automatic focus

TOPRAY MEMS INC0 citations45

CADUCEUS BIOTECHNOLOGY INC

1 patent

US10520436B2Dec 31, 2019

Dynamic focusing confocal optical scanning system

CADUCEUS BIOTECHNOLOGY INC0 citations28