Inventor
TSAI CHIN-CHUNG
TW17 patents
⚠️ This page may combine multiple inventors who share the name “TSAI CHIN-CHUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TAIWAN HOPAX CHEMICALS MFG CO LTD
7 patentsUSD727420SApr 21, 2015
Note paper pad
TAIWAN HOPAX CHEMICALS MFG CO LTD6 citations83
USD725190SMar 24, 2015
Note paper pad
TAIWAN HOPAX CHEMICALS MFG CO LTD6 citations83
USD725702SMar 31, 2015
Note paper pad
TAIWAN HOPAX CHEMICALS MFG CO LTD5 citations72
USD860308SSep 17, 2019
Note paper pad
TAIWAN HOPAX CHEMICALS MFG CO LTD2 citations71
USD860309SSep 17, 2019
Note paper pad
TAIWAN HOPAX CHEMICALS MFG CO LTD3 citations71
USD855695SAug 6, 2019
Note paper pad
TAIWAN HOPAX CHEMICALS MFG CO LTD2 citations71
USD723617SMar 3, 2015
Note paper pad
TAIWAN HOPAX CHEMICALS MFG CO LTD3 citations62
TAIWAN HOPAX CHEMS MFG CO LTD
6 patentsUS7094454B2Aug 22, 2006
Multi-color multi-ply note pad
TAIWAN HOPAX CHEMS MFG CO LTD18 citations83
USD719037SDec 9, 2014
Note tab package set
TAIWAN HOPAX CHEMS MFG CO LTD14 citations82
USD704570SMay 13, 2014
Note tab package set
TAIWAN HOPAX CHEMS MFG CO LTD6 citations82
USD703750SApr 29, 2014
Note tab
TAIWAN HOPAX CHEMS MFG CO LTD12 citations82
USD704074SMay 6, 2014
Note tab package set
TAIWAN HOPAX CHEMS MFG CO LTD5 citations71
US7854979B2Dec 21, 2010
Memo pad including memo sheets that can present a three-dimensional appearance
TAIWAN HOPAX CHEMS MFG CO LTD4 citations62