Inventor

Yili Zhai

Inventor
Qingdao, CN

Overview

6→
Patents
2001–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

H01Pprimary
H01PWaveguides25%
H01QAntennas, i.e. radio aerials25%
LOC1425%
H04LTransmission of digital information, e.g. telegraphic communication13%
H04NPictorial communication, e.g. television13%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2002Patents assigned to QINGDAO HAIER ELECTRONIC CO LT (2)· patent assignee history
2001–2017Based in Qingdao, CN· patent location history
2016–2017Patents assigned to HAIER GROUP CO (2)· patent assignee history
2016Patents assigned to LIU CHAO (1)· patent assignee history
2019Patents assigned to QINGDAO HAIER ELECTRONICS CO (2)· patent assignee history
2019Patents assigned to QINDAO HAIER ELECTRONICS CO LTD (1)· patent assignee history
2019Based in Shandong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HAIER GROUP CO22016–2017
QINGDAO HAIER ELECTRONIC CO LT22001–2002
QINGDAO HAIER ELECTRONICS CO22019
LIU CHAO12016
QINDAO HAIER ELECTRONICS CO LTD12019
Locations
LocationPatentsSpan
Qingdao, CN42001–2017
Shandong, CN22019