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Inventor

Yingcheng Li

Inventor
Shanghai, CN

Overview

7→
Patents
2012–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 as inventor

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

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere21%
E21BEarth or rock drilling21%
H02KDynamo-electric machines21%
F16CShafts14%
C07CAcyclic or carbocyclic compounds7%
LOC287%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
D0931490Massage device202110,723,936Surfactant composition, and manufacturing method and application of same202010,526,528Surfactant composition and preparation method therefor and application thereof202010,400,156Anionic-cationic-nonionic surfactant, production and use thereof20198,376,621'Washer and motor bearing system comprising the same'20138,337,088'Shock absorption device for motor bearing system'20128,322,930'Washer and motor bearing system comprising the same'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2013Patents assigned to LI YINGCHENG (3)· patent assignee history
2012–2013Patents assigned to ZHANG SHEN (3)· patent assignee history
2012–2013Patents assigned to ZHONGSHAN BROAD OCEAN MOTOR (3)· patent assignee history
2012–2013Based in Zhongshan, CN· patent location history
2019–2020Patents assigned to CHINA PETROLEUM & CHEM CORP (3)· patent assignee history
2019–2020Patents assigned to SHANGHAI RES INST PETROCHEMICAL TECH SINOPEC (3)· patent assignee history
2019–2020Based in Shanghai, CN· patent location history
2021Based in Shenzhen, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHINA PETROLEUM & CHEM CORP32019–2020
LI YINGCHENGself32012–2013
SHANGHAI RES INST PETROCHEMICAL TECH SINOPEC32019–2020
ZHANG SHEN32012–2013
ZHONGSHAN BROAD OCEAN MOTOR32012–2013
Locations
LocationPatentsSpan
Shanghai, CN32019–2020
Zhongshan, CN32012–2013
Shenzhen, CN12021