P

Inventor

CHANG CHAO-TSUNG

TW6 patents
⚠️ This page may combine multiple inventors who share the name “CHANG CHAO-TSUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

(unassigned)

3 patents
US6506094B1Jan 14, 2003

Puppet assembly

22 citations87
US6386943B1May 14, 2002

Puppet legs movement mechanism

7 citations68
USD490744SJun 1, 2004

Christmas tree

2 citations57

DUAN ROU-YONG

2 patents
US8120936B2Feb 21, 2012

DC-to-AC power converting device

DUAN ROU-YONG3 citations56
US8198882B2Jun 12, 2012

Power converting device with high power transformation efficiency

DUAN ROU-YONG0 citations35

HUGE POWER LTD TAIWAN BRANCH B V I

1 patent
US11302806B1Apr 12, 2022

Double-gate trench-type insulated-gate bipolar transistor device

HUGE POWER LTD TAIWAN BRANCH B V I3 citations59