Inventor

XIAN CHEN

Inventor
CN

Overview

21→
Patents
2021–2026
Patent span
Electricity
Primary field (CPC H)

Patents· 21 as inventor

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

H10Kprimary
H10KOrganic electric solid-state devices18%
G09GArrangements or circuits for control of indicating devices using static means to present variable information11%
G06FElectric digital data processing9%
H01LSemiconductor devices9%
H02JElectric power networks7%
A47FSpecial furniture, fittings, or accessories for shops, storehouses, bars, restaurants or the like5%
A23KFodder2%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for2%
A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation2%
A47BTables2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2023Patents assigned to SHANGHAI TIANMA AM OLED CO LTD (2)· patent assignee history
2021–2025Based in CN· patent location history
2022–2024Patents assigned to WUHAN TIANMA MICRO ELECTRONICS CO LTD (8)· patent assignee history
2022–2024Patents assigned to WUHAN TIANMA MICROELECTRONICS CO LTD SHANGHAI BRANCH (7)· patent assignee history
2024–2025Patents assigned to VERTIV CORP (3)· patent assignee history
2024Patents assigned to JIREE HUAAN TECH CO LTD (2)· patent assignee history
2024–2026Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WUHAN TIANMA MICRO ELECTRONICS CO LTD82022–2024
WUHAN TIANMA MICROELECTRONICS CO LTD SHANGHAI BRANCH72022–2024
VERTIV CORP32024–2025
JIREE HUAAN TECH CO LTD22024
SHANGHAI TIANMA AM OLED CO LTD22021–2023
Locations
LocationPatentsSpan
CN162021–2025
US52024–2026