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Inventor

Qiang Ren

Inventor
Shanghai, CN

Overview

9→
Patents
2000–2020
Patent span
Physics
Primary field (CPC G)

Patents· 9 as inventor

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

G01Cprimary
G01CMeasuring distances, levels or bearings14%
H04LTransmission of digital information, e.g. telegraphic communication14%
H04QSelecting14%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%
C09KMaterials for miscellaneous applications, not provided for elsewhere9%
G01BMeasuring length, thickness or similar linear dimensions9%
A01BSoil working in agriculture or forestry5%
B62DMotor vehicles5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
G01MTesting static or dynamic balance of machines or structures5%
PatentTitleYear
10,670,424Method for initial alignment of an inertial navigation apparatus202010,605,605Method of determining GNSS-INS vehicle attitude based on single antenna202010,570,239Surface-active two-tailed hydrophobic associated polymer and preparation method thereof202010,501,568Sulfonate lycine type hydrophobic associated polymer and preparation method thereof201910,352,829Automatic calibration method of an angle sensor for an automatic drive control system of a farm machine201910,261,841System and method for task scheduling and device management20196,424,622'Optimal buffer management scheme with dynamic queue length thresholds for ATM switches'20026,141,319'Link based alternative routing scheme for network restoration under failure'20006,046,981'Multi-class connection admission control method for Asynchronous Transfer Mode (ATM) switches'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2002Patents assigned to NEC USA INC (3)· patent assignee history
2000–2002Based in Somerset, NJ, US· patent location history
2019–2020Patents assigned to SHANGHAI HUACE NAVIGATION TECH LTD (3)· patent assignee history
2019–2020Patents assigned to UNIV SOUTHWEST PETROLEUM (2)· patent assignee history
2019Patents assigned to BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD (1)· patent assignee history
2019–2020Based in Shanghai, CN· patent location history
2019–2020Based in Chengdu, CN· patent location history
2019Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NEC USA INC32000–2002
SHANGHAI HUACE NAVIGATION TECH LTD32019–2020
UNIV SOUTHWEST PETROLEUM22019–2020
BEIJING DIDI INFINITY TECHNOLOGY & DEV CO LTD12019
Locations
LocationPatentsSpan
Shanghai, CN32019–2020
Somerset, New Jersey, US32000–2002
Chengdu, CN22019–2020
Beijing, CN12019