Inventor

Zhi Chai

Inventor
Shenyang, CN

Overview

2→
Patents
2017–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

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

G06Fprimary
G06FElectric digital data processing33%
H01LSemiconductor devices33%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1033%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017Patents assigned to SHENZHEN AIRDRAWING TECH SERVICE CO LTD (1)· patent assignee history
2017Based in Shenzhen, CN· patent location history
2020Patents assigned to PIOTECH CO LTD (1)· patent assignee history
2020Based in Shenyang, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PIOTECH CO LTD12020
SHENZHEN AIRDRAWING TECH SERVICE CO LTD12017
Locations
LocationPatentsSpan
Shenyang, CN12020
Shenzhen, CN12017