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Inventor

John Wan

Inventor
San Marino, CA, US

Overview

22→
Patents
1978–2020
Patent span
Physics
Primary field (CPC G)

Patents· 22 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties31%
A61BDiagnosis22%
LOC2419%
B01LChemical or physical laboratory apparatus for general use17%
Y10TTechnical subjects covered by former us classification6%
H01RElectrically-conductive connections3%
LOC103%
PatentTitleYear
10,684,300Rotating disc type fecal occult blood detection analyzer202010,390,803Feces sampling and detecting device and method for detecting feces based on the device201910,384,205Integrated sampling and detection device with misassembly prevention structure201910,359,443Fully automatic fecal occoult blood detecting analyzer201910,132,741Integrated device for sampling and detecting fecal samples2018D0825773Fecal occult blood detector201810,001,494Automatic fecal occult blood detector2018D0797303'Body fluid testing cup'2017D0782058'Fecal occult blood detector'2017D0776292'Feces sampling and detecting device'2017D0776290'Fecal occult blood detector'2017D0776291'Fecal specimen collector'20179,535,054'Body fluid testing apparatus'20179,404,910'Body fluid testing apparatus with testing and storing functions'20169,149,258'Collection device with double outputs and method of using the same'20158,556,826'Fecal specimen collector'20138,349,573'Methods and device for the detection of occult blood'20138,053,203'Methods and device for the detection of occult blood'2011D0645769'Liquid sampling and detecting device'20117,927,562'Collection and assay device for biological fluid'2011D0620590'Liquid sampling and testing cup'20104,112,321'Brush holder and brush assembly for a dynamoelectric machine'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Based in Cambridge, CA· patent location history
2010–2016Patents assigned to WAN JOHN (6)· patent assignee history
2010–2017Based in San Marino, CA, US· patent location history
2011–2013Patents assigned to WAN ZHIJING (3)· patent assignee history
2016–2017Patents assigned to W H P M BIORESEARCH & TECH CO LTD (2)· patent assignee history
2017–2020Patents assigned to W H P M BIORESEARCH AND TECH CO LTD (12)· patent assignee history
2017Patents assigned to W H P M BIORESEARCH AND TECH (3)· patent assignee history
2017–2020Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
W H P M BIORESEARCH AND TECH CO LTD122017–2020
WAN JOHNself62010–2016
W H P M BIORESEARCH AND TECH32017
WAN ZHIJING32011–2013
W H P M BIORESEARCH & TECH CO LTD22016–2017
Locations
LocationPatentsSpan
San Marino, California, US112010–2017
Beijing, CN102017–2020
Cambridge, CA11978