Inventor

Kexiang Ken Ding

Inventor
San Diego, CA, US

Overview

16→
Patents
1999–2021
Patent span
Physics
Primary field (CPC G)

Patents· 16 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Rprimary
G01RMeasuring electric variables20%
G01NInvestigating or analysing materials by determining their chemical or physical properties11%
H04NPictorial communication, e.g. television11%
G01SRadio direction-finding9%
G06TImage data processing or generation, in general9%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
C07CAcyclic or carbocyclic compounds6%
G01BMeasuring length, thickness or similar linear dimensions6%
G06KGraphical data reading6%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h106%
PatentTitleYear
10,974,233Catalyst for preparing 1,5-pentanediol via hydrogenolysis of tetrahydrofurfuryl alcohol, method and application thereof202110,898,883Silicalite-1 molecular sieve-based catalyst and preparation method for 1,2-pentanediol using said catalyst202110,438,338Light line imager-based IC tray pocket detection system201910,184,979IC device-in-pocket detection with angular mounted lasers and a camera20199,857,419'Micro-vision alignment system with guiding rings for IC testing'20189,626,752'Method and apparatus for IC 3D lead inspection having color shadowing'20179,557,375'Group vision alignment for double sided IC device testing'20179,219,885'Imaging system with defocused and aperture-cropped light sources for detecting surface characteristics'20158,773,530'Up-look camera based vision apparatus to auto align pick-and-place positions for device handlers'20148,106,349'Vision alignment with multiple cameras and common coordinate at contactor for IC device testing handlers'20128,041,533'IC device-in-pocket detection with angular mounted lasers and a camera'20117,842,912'Camera based vision alignment with device group guiding for semiconductor device testing handlers'20107,755,376'Camera based pin grid array (PGA) inspection system with pin base mask and low angle lighting'20107,506,451'Camera based two-point vision alignment for semiconductor device testing handlers'20097,336,197'LED lighting system for line scan camera based multiple data matrix scanners'20085,892,543'Imaging system including an auto zoom controller'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Based in Vestal, NY, US· patent location history
2008–2019Patents assigned to DELTA DESIGN INC (13)· patent assignee history
2008–2019Based in San Diego, CA, US· patent location history
2012–2015Patents assigned to DING KEXIANG KEN (3)· patent assignee history
2012–2015Patents assigned to FRANDSEN JAMES (2)· patent assignee history
2014–2015Patents assigned to LAVER MICHAEL ANTHONY (2)· patent assignee history
2021Patents assigned to WANHUA CHEMICAL GROUP CO LTD (2)· patent assignee history
2021Based in Shandong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DELTA DESIGN INC132008–2019
DING KEXIANG KENself32012–2015
FRANDSEN JAMES22012–2015
LAVER MICHAEL ANTHONY22014–2015
WANHUA CHEMICAL GROUP CO LTD22021
Locations
LocationPatentsSpan
San Diego, California, US132008–2019
Shandong, CN22021
Vestal, New York, US11999