Inventor

Qian BAO

Inventor
JP

Overview

12→
Patents
2021–2025
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 12 as inventor

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

F25Bprimary
F25BRefrigeration machines, plants or systems48%
F16KValves14%
F25DRefrigerators10%
F04BPositive-displacement machines for liquids5%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application5%
G01NInvestigating or analysing materials by determining their chemical or physical properties5%
G06TImage data processing or generation, in general5%
G06VImage or video recognition or understanding5%
Y02ATechnologies for adaptation to climate change5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2024Patents assigned to SUMITOMO HEAVY INDUSTRIES (10)· patent assignee history
2021–2024Based in JP· patent location history
2024Patents assigned to BEIJING JINGDONG CENTURY TRADING CO LTD (1)· patent assignee history
2024Patents assigned to BEIJING JINGDONG SHANGKE INFORMATION TECHNOLOGY CO LTD (1)· patent assignee history
2024–2025Based in CN· patent location history
2025Patents assigned to UNIV ZHEJIANG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO HEAVY INDUSTRIES102021–2024
BEIJING JINGDONG CENTURY TRADING CO LTD12024
BEIJING JINGDONG SHANGKE INFORMATION TECHNOLOGY CO LTD12024
UNIV ZHEJIANG12025
Locations
LocationPatentsSpan
JP102021–2024
CN22024–2025