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Inventor

Yafeng Ju

Inventor
Beijing, CN

Overview

4→
Patents
2017–2021
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

E21Bprimary
E21BEarth or rock drilling20%
G06FElectric digital data processing20%
G11CStatic stores20%
H03MCoding20%
H04LTransmission of digital information, e.g. telegraphic communication20%
PatentTitleYear
11,008,830Stratified waterflooding apparatus202110,890,059Layered water injection system and layered water injection method202110,410,736Manufacturer self-test for solid-state drives20199,595,352'Manufacturer self-test for solid-state drives'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2019Patents assigned to SEAGATE TECHNOLOGY LLC (2)· patent assignee history
2017–2019Based in Shanghai, CN· patent location history
2021Patents assigned to PETROCHINA CO LTD (2)· patent assignee history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PETROCHINA CO LTD22021
SEAGATE TECHNOLOGY LLC22017–2019
Locations
LocationPatentsSpan
Beijing, CN22021
Shanghai, CN22017–2019