LexDanaLexDanabeta
Inventor

Yongchang Dai

Inventor
Guangdong, 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.

H05Bprimary
H05BElectric heating50%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications50%
PatentTitleYear
10,560,997Method for MR16 lamp to pass EMI test with CCG20209,814,107'Drive circuit and illumination device comprising the drive circuit'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017Patents assigned to OSRAM GMBH (1)· patent assignee history
2017Based in Shenzhen, CN· patent location history
2020Patents assigned to LEDVANCE GMBH (1)· patent assignee history
2020Based in Guangdong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LEDVANCE GMBH12020
OSRAM GMBH12017
Locations
LocationPatentsSpan
Guangdong, CN12020
Shenzhen, CN12017