Inventor · disambiguated record
Der-Shyang Jan
Also filed as: JAN DER-SHYANG
8 granted patents·4 pending applications·247 citations·filing 1997–2006
89Inventor score
Top patents by PatentIndex Score
12 records- 0190US6163969A3D laser levelerQUARTON INC·Filed 2000·Granted Dec 26, 2000·94 cites·13 claims
- 0286US6195902B1Laser extenderQUARTON INC·Filed 2000·Granted Mar 6, 2001·70 cites·8 claims
- 0372US7130128B2Lens for forming laser lines with uniform brightnessQUARTON INC·Filed 2005·Granted Oct 31, 2006·5 cites·17 claims
- 0472US6739062B2Universal angle meansQUARTON INC·Filed 2002·Granted May 25, 2004·30 cites·21 claims
- 0564US6481686B1Multifunctional turntable for a leveling deviceQUARTON INC·Filed 2000·Granted Nov 19, 2002·18 cites·11 claims
- 0662US6970297B2Lens for forming laser lines with uniform brightnessQUARTON INC·Filed 2004·Granted Nov 29, 2005·5 cites·11 claims
- 0756US5905751ALaser modules and methods of manufacturing sameQUARTON INC·Filed 1997·Granted May 18, 1999·21 cites·18 claims
- 0846US2007041099A1Lens for forming laser lines with uniform brightnessQUARTON INC·Filed 2006·Application pending·0 cites
- 0941USD480319SLaser edgeQUARTON INC·Filed 2002·Granted Oct 7, 2003·4 cites·1 claims
- 1039US2006283029A1Multi-beam laser levelJAN DER-SHYANG·Filed 2005·Application pending·0 cites
- 1135US2007154151A1Laser module and method of makingCHEN TONY K T·Filed 2006·Application pending·0 cites
- 1235US2006213347A1Cutting line indicatorJAN DER-SHYANG·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →