Assignee
HO CHANG HSIEN
TW·58 granted patents·3 pending applications·1,167 citations·filing 1992–2024
Top patents by PatentIndex Score
61 records- 0195US10588372B2Multilayered floatable universal shock absorption system of safety helmetHO CHANG HSIEN·Filed 2017·Granted Mar 17, 2020·16 cites·19 claims
- 0295USD424246SSafety helmetHO CHANG-HSIEN·Filed 1999·Granted May 2, 2000·55 cites·1 claims
- 0394USD575458SBaseball helmetHO CHANG HSIEN·Filed 2007·Granted Aug 19, 2008·57 cites·1 claims
- 0494USD426032SSafety helmetHO CHANG-HSIEN·Filed 1999·Granted May 30, 2000·47 cites·1 claims
- 0593US8070307B2Light-emitting warning device of a safety helmetHO CHANG-HSIEN·Filed 2009·Granted Dec 6, 2011·31 cites·30 claims
- 0691USD427727SSafety helmetHO CHANG-HSIEN·Filed 1999·Granted Jul 4, 2000·39 cites·1 claims
- 0791USD361409SSafety helmetHO CHANG-HSIEN·Filed 1993·Granted Aug 15, 1995·35 cites·1 claims
- 0891USD348752SSafety helmetHO CHANG-HSIEN·Filed 1992·Granted Jul 12, 1994·37 cites·1 claims
- 0990USD683904SSafety helmetHO CHANG-HSIEN·Filed 2012·Granted Jun 4, 2013·43 cites·1 claims
- 1090USD428534SSafety helmetHO CHANG-HSIEN·Filed 1999·Granted Jul 18, 2000·36 cites·1 claims
- 1190USD361410SSafety helmetHO CHANG-HSIEN·Filed 1993·Granted Aug 15, 1995·34 cites·1 claims
- 1289USD602640SHorseback riding helmetHO CHANG-HSIEN·Filed 2008·Granted Oct 20, 2009·37 cites·1 claims
- 1388USD517739SSafety helmetHO CHANG-HSIEN·Filed 2004·Granted Mar 21, 2006·35 cites·1 claims
- 1488USD426677SSafety helmetHO CHANG-HSIEN·Filed 1999·Granted Jun 13, 2000·31 cites·1 claims
- 1588USD361407SSafety helmetHO CHANG-HSIEN·Filed 1993·Granted Aug 15, 1995·29 cites·1 claims
- 1687USD602641SHorseback riding helmetHO CHANG-HSIEN·Filed 2008·Granted Oct 20, 2009·33 cites·1 claims
- 1787USD602639SHorseback riding helmetHO CHANG-HSIEN·Filed 2008·Granted Oct 20, 2009·34 cites·1 claims
- 1887USD516751SSafety helmetHO CHANG-HSIEN·Filed 2004·Granted Mar 7, 2006·32 cites·1 claims
- 1986USD602644SHorseback riding helmetHO CHANG-HSIEN·Filed 2008·Granted Oct 20, 2009·32 cites·1 claims
- 2085USD427381SSun visor for a helmetHO CHANG-HSIEN·Filed 1999·Granted Jun 27, 2000·27 cites·1 claims
- 2184US9210962B2Reinforcement structure of safety helmet and manufacturing method thereofHO CHANG-HSIEN·Filed 2013·Granted Dec 15, 2015·9 cites·17 claims
- 2284US8218938B2Light guide strip structureHO CHANG-HSIEN·Filed 2009·Granted Jul 10, 2012·11 cites·32 claims
- 2384USD552800SSafety helmetHO CHANG-HSIEN·Filed 2006·Granted Oct 9, 2007·30 cites·1 claims
- 2483US8136959B2Light-emitting strip structure with light guiding effectHO CHANG-HSIEN·Filed 2009·Granted Mar 20, 2012·21 cites·30 claims
- 2583USD536832SSafety helmetHO CHANG-HSIEN·Filed 2005·Granted Feb 13, 2007·28 cites·1 claims
- 2683USD361408SSafety helmetHO CHANG-HSIEN·Filed 1993·Granted Aug 15, 1995·23 cites·1 claims
- 2782US8851569B2Full-cover and light-weight safety seat for childHO CHANG-HSIEN·Filed 2011·Granted Oct 7, 2014·10 cites·30 claims
- 2881US8091148B2Fixing structure for safety helmet fastening strapHO CHANG-HSIEN·Filed 2009·Granted Jan 10, 2012·17 cites·39 claims
- 2980US9814279B2Integrally formed safety helmet structureHO CHANG-HSIEN·Filed 2015·Granted Nov 14, 2017·5 cites·19 claims
- 3079USD699896SSafety helmetHO CHANG HSIEN·Filed 2013·Granted Feb 18, 2014·22 cites·1 claims
- 3179USD671270SSafety helmetHO CHANG-HSIEN·Filed 2011·Granted Nov 20, 2012·23 cites·1 claims
- 3278USD361411SSafety helmetHO CHANG-HSIEN·Filed 1993·Granted Aug 15, 1995·18 cites·1 claims
- 3374USD933303SSafety helmetHO CHANG HSIEN·Filed 2019·Granted Oct 12, 2021·12 cites·1 claims
- 3474USD853653SSafety helmetHO CHANG HSIEN·Filed 2017·Granted Jul 9, 2019·14 cites·1 claims
- 3574USD602643SHorseback riding helmetHO CHANG-HSIEN·Filed 2008·Granted Oct 20, 2009·19 cites·1 claims
- 3673US8742917B2Warning triangle structureHO CHANG-HSIEN·Filed 2011·Granted Jun 3, 2014·3 cites·36 claims
- 3773US8556484B2Freely plastically flexible light-emitting strip structureHO CHANG-HSIEN·Filed 2009·Granted Oct 15, 2013·6 cites·27 claims
- 3873USD602642SHorseback riding helmetHO CHANG-HSIEN·Filed 2008·Granted Oct 20, 2009·18 cites·1 claims
- 3972USD414585SSafety helmetHO CHANG-HSIEN·Filed 1998·Granted Sep 28, 1999·16 cites·1 claims
- 4071US8782818B2Safety helmet structure and processing method thereofHO CHANG-HSIEN·Filed 2009·Granted Jul 22, 2014·5 cites·31 claims
- 4171USD670441SSafety helmetHO CHANG-HSIEN·Filed 2011·Granted Nov 6, 2012·16 cites·1 claims
- 4271USD366538SSafety helmetHO CHANG-HSIEN·Filed 1993·Granted Jan 23, 1996·14 cites·1 claims
- 4367USD670442SSafety helmetHO CHANG-HSIEN·Filed 2011·Granted Nov 6, 2012·14 cites·1 claims
- 4466USD699003SHelmetHO CHANG-HSIEN·Filed 2012·Granted Feb 4, 2014·13 cites·1 claims
- 4566US2024306755A1Optimized plastic helmet shell structureHO CHANG HSIEN·Filed 2024·Application pending·0 cites
- 4664USD853652SSafety helmetHO CHANG HSIEN·Filed 2017·Granted Jul 9, 2019·9 cites·1 claims
- 4764USD670444SSafety helmetHO CHANG-HSIEN·Filed 2011·Granted Nov 6, 2012·12 cites·1 claims
- 4857USD670443SSafety helmetHO CHANG-HSIEN·Filed 2011·Granted Nov 6, 2012·9 cites·1 claims
- 4957USD516752SSafety helmetHO CHANG-HSIEN·Filed 2004·Granted Mar 7, 2006·9 cites·1 claims
- 5055USD670437SSafety helmetHO CHANG-HSIEN·Filed 2011·Granted Nov 6, 2012·8 cites·1 claims
Showing the top 50 of 61 patent records by PatentIndex Score.
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