Inventor · disambiguated record
Hung-Lu Chang
Also filed as: CHANG HUNG-LU
5 granted patents·3 pending applications·40 citations·filing 1999–2008
77Inventor score
Technology areasG11B
Files withIND TECH RES INST6
Top patents by PatentIndex Score
8 records- 0161US6304541B1Single objective lens optical pick-up headIND TECH RES INST·Filed 1999·Granted Oct 16, 2001·16 cites·14 claims
- 0259US6525332B1Method for detecting and compensating disk tilt and apparatus used itIND TECH RES INST·Filed 1999·Granted Feb 25, 2003·17 cites·15 claims
- 0353US6430138B2Bifocal optical pickup headIND TECH RES INST·Filed 2001·Granted Aug 6, 2002·2 cites·5 claims
- 0450US2009161517A1Optical imaging device and optical sensor thereofIND TECH RES INST·Filed 2008·Application pending·0 cites
- 0540US6236633B1Bifocal optical pickup headIND TECH RES INST·Filed 1999·Granted May 22, 2001·5 cites·4 claims
- 0638US6984481B2Write-once optical recording mediumIND TECH RES INST·Filed 2003·Granted Jan 10, 2006·0 cites·14 claims
- 0736US2002093883A1Structure of pick-up head and its method for accessing signalsFiled 2001·Application pending·0 cites
- 0836US2001038577A1Polarized-dependent optical diffraction deviceFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →