LexDanaLexDanabeta
Inventor

Chang-En Sun

Inventor
Taoyuan, TW

Overview

2→
Patents
2013–2020
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.

H01Hprimary
H01HElectric switches50%
LOC1450%
PatentTitleYear
10,770,246Keyboard covering film, waterproof keyboard, method for fabricating keyboard covering film, waterproof keycap assembly, and illuminating keyboard2020D0692432'Casing with foldable keyboard'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2020Patents assigned to DARFON ELECTRONICS CORP (2)· patent assignee history
2013Patents assigned to CHENG TING-KUEI (1)· patent assignee history
2013Patents assigned to LIU CHIA-HUNG (1)· patent assignee history
2013Patents assigned to SUN CHANG-EN (1)· patent assignee history
2013–2020Based in Taoyuan, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DARFON ELECTRONICS CORP22013–2020
CHENG TING-KUEI12013
LIU CHIA-HUNG12013
SUN CHANG-ENself12013
Locations
LocationPatentsSpan
Taoyuan, TW22013–2020