Inventor

Yanchen Zhang

Inventor

San Clemente, CA, US

Overview

20→

Patents

2007–2019

Patent span

LOC

Primary field

Patents· 20 as inventor

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

LOC10primary

LOC1073%

G01BMeasuring length, thickness or similar linear dimensions9%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations5%

B25HWorkshop equipment, e.g. for marking-out work5%

B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles5%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%

PatentTitleYear

D0839759Digital micrometer2019 10,086,851Bogie and axle box suspension positioning device thereof2018 D0794479'Digital caliper with large display'2017 D0793885'Digital speed drum gauge'2017 D0764322'T type digital protractor'2016 D0764324'Single beam digital height gauge'2016 D0764327'3 way digital height and depth gauge'2016 D0740142'Digital micrometer'2015 D0740141'Heavy duty caliper'2015 D0725515'Plane depth gauge'2015 8,925,210'Digital marking gauge'2015 D0717186'Digital display of digital readout'2014 D0697440'Digital caliper'2014 D0695638'Digital caliper'2013 8,461,134'Boron-containing small molecules'2013 D0678789'Digital height gauge'2013 D0678086'Digital sliding protractor'2013 8,091,251'High-speed measuring electronic digital outside micrometer'2012 D0574278'Digital caliper'2008 D0556064'Digital caliper'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2008Patents assigned to INTERNAT PREC INSTR CORP (2)· patent assignee history

2007–2019Based in San Clemente, CA, US· patent location history

2012–2019Patents assigned to ZHANG YANCHEN (17)· patent assignee history

2013–2019Patents assigned to ZHANG MENG (14)· patent assignee history

2013Patents assigned to AKAMA TSUTOMU (1)· patent assignee history

2013Patents assigned to ALLEY MICHAEL RICHARD KEVIN (1)· patent assignee history

2013Based in Union City, CA, US· patent location history

2018Based in Qiqihar, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ZHANG YANCHENself	17	2012–2019
ZHANG MENG	14	2013–2019
INTERNAT PREC INSTR CORP	2	2007–2008
AKAMA TSUTOMU	1	2013
ALLEY MICHAEL RICHARD KEVIN	1	2013

Locations

Location	Patents	Span
San Clemente, California, US	18	2007–2019
Qiqihar, CN	1	2018
Union City, California, US	1	2013