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Inventor

Changyuan Yang

Inventor
Taipei, TW

Overview

2→
Patents
2019–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A61Nprimary
A61NElectrotherapy50%
G06FElectric digital data processing50%
PatentTitleYear
10,912,948Composite intelligent biological phototherapy device202110,209,863Method and apparatus for displaying cascading menu2019

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2019Patents assigned to ALIBABA GROUP HOLDING LTD (1)· patent assignee history
2019Patents assigned to YANG CHANGYUAN (1)· patent assignee history
2019Patents assigned to ZHANG XIAOXIN (1)· patent assignee history
2019Based in Hangzhou, CN· patent location history
2021Patents assigned to NAT APPLIED RES LABORATORIES (1)· patent assignee history
2021Based in Taipei, TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALIBABA GROUP HOLDING LTD12019
NAT APPLIED RES LABORATORIES12021
YANG CHANGYUANself12019
ZHANG XIAOXIN12019
Locations
LocationPatentsSpan
Taipei, TW12021
Hangzhou, CN12019