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Inventor

Zhaotong Li

Inventor
Xi'an, CN

Overview

2→
Patents
2020–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge25%
F16CShafts25%
G03GElectrography25%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management25%
PatentTitleYear
10,988,397Integrated greening device and method for recycling wastewater202110,563,694Sliding bearing, driving device, and image forming apparatus2020

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020Patents assigned to SHARP KK (1)· patent assignee history
2020Based in Sakai, JP· patent location history
2021Patents assigned to UNIV XIAN SCI & TECHNOLOGY (1)· patent assignee history
2021Based in Xi'an, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHARP KK12020
UNIV XIAN SCI & TECHNOLOGY12021
Locations
LocationPatentsSpan
Xi'an, CN12021
Sakai, JP12020