Inventor · disambiguated record
Kuang-Hua Chang
Also filed as: CHANG KUANG-HUA
6 granted patents·4 pending applications·61 citations·filing 2002–2018
82Inventor score
Files withPRODISC TECHNOLOGY INC6CHANG KUANG-HUA2ORANGE BRIGHT OPTICS INC1PORDISC TECHNOLOGY CO LTD1
Top patents by PatentIndex Score
10 records- 0179US6705733B1Color wheel and washer thereofPRODISC TECHNOLOGY INC·Filed 2003·Granted Mar 16, 2004·24 cites·12 claims
- 0276US6896376B2Color wheel and motor for the samePRODISC TECHNOLOGY INC·Filed 2002·Granted May 24, 2005·13 cites·17 claims
- 0371US7386215B1Projection system and light tunnel thereofPRODISC TECHNOLOGY INC·Filed 2007·Granted Jun 10, 2008·10 cites·16 claims
- 0465US6754014B1Color wheelPRODISC TECHNOLOGY INC·Filed 2003·Granted Jun 22, 2004·10 cites·25 claims
- 0557US6769775B2Motor of color wheelPRODISC TECHNOLOGY INC·Filed 2003·Granted Aug 3, 2004·4 cites·6 claims
- 0640US2020038246A1Eye protection deviceORANGE BRIGHT OPTICS INC·Filed 2018·Application pending·0 cites
- 0738US2006132947A1Color wheel and motor thereofPRODISC TECHNOLOGY INC·Filed 2005·Application pending·0 cites
- 0838US2008225240A1Projection system and plastic color wheel assembly thereofCHANG KUANG-HUA·Filed 2007·Application pending·0 cites
- 0934US2008170314A1Color wheel assemblyCHANG KUANG-HUA·Filed 2007·Application pending·0 cites
- 1033US7453657B2Color wheelPORDISC TECHNOLOGY CO LTD·Filed 2003·Granted Nov 18, 2008·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →