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Inventor

Xianfeng Lu

Inventor
Lansing, NY, US

Overview

2→
Patents
2018–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes17%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations17%
C07BGeneral methods of organic chemistry17%
C07DHeterocyclic compounds17%
F01LCyclically operating valves for machines or engines17%
F16DCouplings for transmitting rotation17%
PatentTitleYear
11,125,121Dual actuating variable cam20219,884,870'Polymorphic substance of yonkenafil hydrochloride, preparation method therefor, and composition and use thereof'2018

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2018Patents assigned to YANGTZE RIVER PHARM GROUP CO (1)· patent assignee history
2018Based in Jiangsu, CN· patent location history
2021Patents assigned to BORGWARNER INC (1)· patent assignee history
2021Based in Lansing, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BORGWARNER INC12021
YANGTZE RIVER PHARM GROUP CO12018
Locations
LocationPatentsSpan
Lansing, New York, US12021
Jiangsu, CN12018