Inventor

IRWIN CHEN

Inventor
US

Overview

5→
Patents
2021–2025
Patent span
Human necessities
Primary field (CPC A)

Patents· 5 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes36%
C07KPeptides36%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations29%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2021–2025Patents assigned to AMGEN INC (5)· patent assignee history
2021–2025Based in US· patent location history
2023–2025Patents assigned to AMGEN RES MUNICH GMBH (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AMGEN INC52021–2025
AMGEN RES MUNICH GMBH22023–2025
Locations
LocationPatentsSpan
US52021–2025