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Inventor

Yisheng YANG

Inventor
CN

Overview

1→
Patents
2026
Patent span
Human necessities
Primary field (CPC A)

Patents· 1 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes20%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations20%
C07BGeneral methods of organic chemistry20%
C07DHeterocyclic compounds20%
Y02ATechnologies for adaptation to climate change20%
PatentTitleYear
12,534,454Crystal forms of 5-fluoro-1-(4-fluoro-3-(4-(pyrimidin-2-yl)piperazine-1-carbonyl)benzyl)quinazoline-2,4(1H,3H)-dione and preparation thereof2026

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2026Patents assigned to IMPACT THERAPEUTICS SHANGHAI INC (1)· patent assignee history
2026Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IMPACT THERAPEUTICS SHANGHAI INC12026
Locations
LocationPatentsSpan
CN12026