Inventor

WILLIAM T. H. CHANG

Inventor
CN

Overview

1→
Patents
2025
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.

A23Lprimary
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for20%
A23PShaping or working of foodstuffs, not fully covered by a single other subclass20%
A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation20%
A61KPreparations for medical, dental or toiletry purposes20%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to SHANGHAI LYTONE BIOCHEMICALS LTD (1)· patent assignee history
2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHANGHAI LYTONE BIOCHEMICALS LTD12025
Locations
LocationPatentsSpan
CN12025