LexDanaLexDanabeta
Inventor

Bijun CHEN

Inventor
CN

Overview

2→
Patents
2022
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

E02Dprimary
E02DFoundations20%
E21BEarth or rock drilling20%
G02BOptical elements, systems or apparatus20%
H04MTelephonic communication20%
H04NPictorial communication, e.g. television20%
PatentTitleYear
11,280,180Portable in-situ gas pressure measuring device for shallow gas-bearing stratum and measuring method thereof202211,272,088Camera module and mobile terminal2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to INST ROCK & SOIL MECH CAS (1)· patent assignee history
2022Patents assigned to VIVO MOBILE COMMUNICATION CO LTD (1)· patent assignee history
2022Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
INST ROCK & SOIL MECH CAS12022
VIVO MOBILE COMMUNICATION CO LTD12022
Locations
LocationPatentsSpan
CN22022