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USPTO Patent Rankings Data through Dec 31, 2025
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Der-Shyang Jan — 8 Patents

QUQuarton: 8 patents #3 of 34Top 9%
Douliu, TW: #27 of 282 inventorsTop 10%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Der-Shyang Jan has been granted 8 US patents while listed as an inventor at Quarton. The first was granted in 1999 and the most recent in October 2006. Der-Shyang Jan ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Der-Shyang Jan in Douliu, TW.

Patents per Year

Patents granted per year, 1999 to 2006Bar chart with a peak of 1 patents in 1999.peak 11999: 1 patents19992000: 1 patents20002001: 1 patents20012002: 1 patents20022003: 1 patents20032004: 1 patents20042005: 1 patents20052006: 1 patents2006

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7130128 Lens for forming laser lines with uniform brightness Chao-Chi Huang, Kevin Weng 2006-10-31
6970297 Lens for forming laser lines with uniform brightness Chao-Chi Huang, Kevin Weng 2005-11-29
6739062 Universal angle means Wun-Chun Liou 2004-05-25
D480319 Laser edge — 2003-10-07
6481686 Multifunctional turntable for a leveling device — 2002-11-19
6195902 Laser extender Tony K. T. Chen 2001-03-06
6163969 3D laser leveler Tony K. T. Chen 2000-12-26
5905751 Laser modules and methods of manufacturing same Chao-Chi Huang, Tony K. T. Chen, Ming-Chung Chiu, Yu-Hsi Yang, Teng-Yuan Chien 1999-05-18

Frequent Collaborators

Chao-Chi Huang3 shared
Tony K. T. Chen3 shared
Kevin Weng2 shared
Teng-Yuan Chien1 shared
Wun-Chun Liou1 shared
Yu-Hsi Yang1 shared

Nearby-Ranked Inventors

Suryatej Gundavelli8
Hajime Yoshizawa8
Takahisa TATEKAWA8
Hye-Jin GONG8
Yang Ji8
Koichi Sekimizu8
Sandeep Rekhi8
Tejas Pradip Rode8
Jonatan Hörder8