Inventor · disambiguated record
Chang-Hsien Ho
Also filed as: HO CHANG H · HO CHANG-HSIEN
88 granted patents·4 pending applications·1,986 citations·filing 1992–2024
99Inventor score
Top patents by PatentIndex Score
92 records- 0195US10588372B2Multilayered floatable universal shock absorption system of safety helmetHO CHANG HSIEN·Filed 2017·Granted Mar 17, 2020·16 cites·19 claims
- 0295USD437092SSafety helmetFiled 2000·Granted Jan 30, 2001·58 cites·1 claims
- 0395USD424246SSafety helmetHO CHANG-HSIEN·Filed 1999·Granted May 2, 2000·55 cites·1 claims
- 0494USD575458SBaseball helmetHO CHANG HSIEN·Filed 2007·Granted Aug 19, 2008·57 cites·1 claims
- 0594USD426032SSafety helmetHO CHANG-HSIEN·Filed 1999·Granted May 30, 2000·47 cites·1 claims
- 0694USD389280SHelmetPROWELL HELMETS LTD·Filed 1996·Granted Jan 13, 1998·54 cites·1 claims
- 0793US8070307B2Light-emitting warning device of a safety helmetHO CHANG-HSIEN·Filed 2009·Granted Dec 6, 2011·31 cites·30 claims
- 0891USD481172SSafety helmetFiled 2002·Granted Oct 21, 2003·42 cites·1 claims
- 0991USD481171SSafety helmetFiled 2002·Granted Oct 21, 2003·43 cites·1 claims
- 1091USD452942SSafety helmetFiled 2001·Granted Jan 8, 2002·45 cites·1 claims
- 1191USD427727SSafety helmetHO CHANG-HSIEN·Filed 1999·Granted Jul 4, 2000·39 cites·1 claims
- 1291USD361409SSafety helmetHO CHANG-HSIEN·Filed 1993·Granted Aug 15, 1995·35 cites·1 claims
- 1391USD348752SSafety helmetHO CHANG-HSIEN·Filed 1992·Granted Jul 12, 1994·37 cites·1 claims
- 1490USD683904SSafety helmetHO CHANG-HSIEN·Filed 2012·Granted Jun 4, 2013·43 cites·1 claims
- 1590USD428534SSafety helmetHO CHANG-HSIEN·Filed 1999·Granted Jul 18, 2000·36 cites·1 claims
- 1690USD361410SSafety helmetHO CHANG-HSIEN·Filed 1993·Granted Aug 15, 1995·34 cites·1 claims
- 1789USD602640SHorseback riding helmetHO CHANG-HSIEN·Filed 2008·Granted Oct 20, 2009·37 cites·1 claims
- 1889USD482501SSafety helmetFiled 2002·Granted Nov 18, 2003·38 cites·1 claims
- 1988USD517739SSafety helmetHO CHANG-HSIEN·Filed 2004·Granted Mar 21, 2006·35 cites·1 claims
- 2088USD495835SSafety helmetFiled 2003·Granted Sep 7, 2004·35 cites·1 claims
- 2188USD426677SSafety helmetHO CHANG-HSIEN·Filed 1999·Granted Jun 13, 2000·31 cites·1 claims
- 2288USD361407SSafety helmetHO CHANG-HSIEN·Filed 1993·Granted Aug 15, 1995·29 cites·1 claims
- 2387USD602641SHorseback riding helmetHO CHANG-HSIEN·Filed 2008·Granted Oct 20, 2009·33 cites·1 claims
- 2487USD602639SHorseback riding helmetHO CHANG-HSIEN·Filed 2008·Granted Oct 20, 2009·34 cites·1 claims
- 2587USD516751SSafety helmetHO CHANG-HSIEN·Filed 2004·Granted Mar 7, 2006·32 cites·1 claims
- 2686USD602644SHorseback riding helmetHO CHANG-HSIEN·Filed 2008·Granted Oct 20, 2009·32 cites·1 claims
- 2786USD575457SSafety helmet for horse ridingHOPUS TECHNOLOGY INC·Filed 2006·Granted Aug 19, 2008·41 cites·1 claims
- 2885USD482500SSafety helmetFiled 2002·Granted Nov 18, 2003·29 cites·1 claims
- 2985US6446271B1Auxiliary buffer envelope device for inner pad of safety helmetFiled 2001·Granted Sep 10, 2002·51 cites·7 claims
- 3085USD427381SSun visor for a helmetHO CHANG-HSIEN·Filed 1999·Granted Jun 27, 2000·27 cites·1 claims
- 3184US9210962B2Reinforcement structure of safety helmet and manufacturing method thereofHO CHANG-HSIEN·Filed 2013·Granted Dec 15, 2015·9 cites·17 claims
- 3284US8218938B2Light guide strip structureHO CHANG-HSIEN·Filed 2009·Granted Jul 10, 2012·11 cites·32 claims
- 3384USD552800SSafety helmetHO CHANG-HSIEN·Filed 2006·Granted Oct 9, 2007·30 cites·1 claims
- 3483US8136959B2Light-emitting strip structure with light guiding effectHO CHANG-HSIEN·Filed 2009·Granted Mar 20, 2012·21 cites·30 claims
- 3583USD536832SSafety helmetHO CHANG-HSIEN·Filed 2005·Granted Feb 13, 2007·28 cites·1 claims
- 3683USD481494SSafety helmetFiled 2002·Granted Oct 28, 2003·27 cites·1 claims
- 3783USD453975SSafety helmetFiled 2001·Granted Feb 26, 2002·28 cites·1 claims
- 3883USD361408SSafety helmetHO CHANG-HSIEN·Filed 1993·Granted Aug 15, 1995·23 cites·1 claims
- 3982US8851569B2Full-cover and light-weight safety seat for childHO CHANG-HSIEN·Filed 2011·Granted Oct 7, 2014·10 cites·30 claims
- 4081US8091148B2Fixing structure for safety helmet fastening strapHO CHANG-HSIEN·Filed 2009·Granted Jan 10, 2012·17 cites·39 claims
- 4180US9814279B2Integrally formed safety helmet structureHO CHANG-HSIEN·Filed 2015·Granted Nov 14, 2017·5 cites·19 claims
- 4280USD455869SSafety helmetFiled 2001·Granted Apr 16, 2002·24 cites·1 claims
- 4379USD699896SSafety helmetHO CHANG HSIEN·Filed 2013·Granted Feb 18, 2014·22 cites·1 claims
- 4479USD671270SSafety helmetHO CHANG-HSIEN·Filed 2011·Granted Nov 20, 2012·23 cites·1 claims
- 4579USD464468SSafety helmetFiled 2002·Granted Oct 15, 2002·23 cites·1 claims
- 4679US5376318AProcess for making helmets for cyclistsFiled 1993·Granted Dec 27, 1994·40 cites·3 claims
- 4778USD490939SSafety helmetFiled 2003·Granted Jun 1, 2004·22 cites·1 claims
- 4878USD436695SSafety helmetFiled 2000·Granted Jan 23, 2001·22 cites·1 claims
- 4978USD361411SSafety helmetHO CHANG-HSIEN·Filed 1993·Granted Aug 15, 1995·18 cites·1 claims
- 5077USD445219SSafety helmetFiled 2000·Granted Jul 17, 2001·21 cites·1 claims
Showing the top 50 of 92 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →