Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JK

John Kump — 5 Patents

CTCrystal Technology: 4 patents #3 of 23Top 15%
CGCrystal Group: 1 patents #21 of 33Top 65%
Hillsborough, CA: #128 of 358 inventorsTop 40%
California: #107,996 of 386,348 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
John Kump has been granted 5 US patents while listed as an inventor at Crystal Technology. The first was granted in 1998 and the most recent in August 2009. John Kump ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list John Kump in Hillsborough, CA, US.

Patents per Year

Patents granted per year, 1998 to 2009Bar chart with a peak of 2 patents in 1998.peak 21998: 2 patents19982001: 1 patents20012006: 1 patents20062009: 1 patents2009

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7580182 Frequency synthesis for acousto-optic devices Dieter Hans Jundt 2009-08-25
7142735 Acousto-optic tunable filter controller 2006-11-28
6236492 Electrode with a balanced centroid, soft edges and an apodization ratio greater than one 2001-05-22
5742425 Technique for electronically stabilizing the ouputs of acoustooptic devices Arron Campi 1998-04-21
5712722 Driver circuit for stabilizing optical outputs of acoustooptic devices Richard A. Coppock 1998-01-27