Inventor
LIU JEN-RONG
TW20 patents
⚠️ This page may combine multiple inventors who share the name “LIU JEN-RONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TAIWAN HOPAX CHEMS MFG CO LTD
10 patentsUS6254955B1Jul 3, 2001
Self-stick writing note
TAIWAN HOPAX CHEMS MFG CO LTD42 citations91
US6627285B2Sep 30, 2003
Note pad
TAIWAN HOPAX CHEMS MFG CO LTD33 citations89
US7094454B2Aug 22, 2006
Multi-color multi-ply note pad
TAIWAN HOPAX CHEMS MFG CO LTD18 citations83
US6780486B2Aug 24, 2004
Self-adhesive bulletin board assembly with a bulletin board and a transparent sheet
TAIWAN HOPAX CHEMS MFG CO LTD13 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
US7735679B2Jun 15, 2010
Refillable sheet dispenser with flexibility in accommodating stacked note sheets
TAIWAN HOPAX CHEMS MFG CO LTD6 citations61
TAIWAN HOPAX CHEMICALS MFG CO LTD
5 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
USD645504SSep 20, 2011
Writing paper
TAIWAN HOPAX CHEMICALS MFG CO LTD8 citations82
USD725702SMar 31, 2015
Note paper pad
TAIWAN HOPAX CHEMICALS MFG CO LTD5 citations72
USD723617SMar 3, 2015
Note paper pad
TAIWAN HOPAX CHEMICALS MFG CO LTD3 citations62