Inventor · disambiguated record
Cheng-Hua Chuang
Also filed as: CHUANG CHENG-HUA
9 granted patents·2 pending applications·129 citations·filing 1996–2009
89Inventor score
Top patents by PatentIndex Score
11 records- 0189US6149330ABuilding blocks type writing instrumentPIONEER IND CORP·Filed 1999·Granted Nov 21, 2000·46 cites·15 claims
- 0286US7214897B2Illuminated keyboard with illuminated patterns displayed on top surface of keyboardBEHAVIOR TECH COMPUTER CORP·Filed 2005·Granted May 8, 2007·16 cites·8 claims
- 0365US7498536B2Key structure of a computer keyboardBEHAVIOR TECH COMPUTER CORP·Filed 2007·Granted Mar 3, 2009·4 cites·9 claims
- 0463USD419187SBuilding block-type writing implementPIONEER IND CORPORATION·Filed 1998·Granted Jan 18, 2000·13 cites·1 claims
- 0563USD384103SToy bear writing implementPIONEER IND CORPORATION·Filed 1996·Granted Sep 23, 1997·13 cites·1 claims
- 0658USD446245SPen capPIONEER IND CORP·Filed 2000·Granted Aug 7, 2001·11 cites·1 claims
- 0758USD412532SNon-sharpening pencil with capCHUANG CHENG-HUA·Filed 1998·Granted Aug 3, 1999·12 cites·1 claims
- 0854USD436997SPen capPIONEER IND CORP·Filed 2000·Granted Jan 30, 2001·9 cites·1 claims
- 0951US2010266326A1Mark-erasable pen capCHUANG CHENG-HUA·Filed 2009·Application pending·0 cites
- 1045US2009027340A1Foldable mouseBEHAVIOR TECH COMPUTER CORP·Filed 2008·Application pending·0 cites
- 1144USD504700SPen capFiled 2004·Granted May 3, 2005·5 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →