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Inventor

Lei Zhou

Inventor
Copley, OH, US

Overview

4→
Patents
2003–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds27%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients27%
C09KMaterials for miscellaneous applications, not provided for elsewhere27%
G10LSpeech analysis techniques or speech synthesis9%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers9%
PatentTitleYear
10,930,304Processing voice20216,811,722'Glycerin triester plasticizer'20046,740,254'Glycerin triester plasticizer'20046,652,774'Glycerin triester plasticizer'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2004Patents assigned to FERRO CORP (3)· patent assignee history
2003–2004Based in Copley, OH, US· patent location history
2021Patents assigned to BEIJING XIAOMI MOBILE SOFTWARE CO LTD (1)· patent assignee history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FERRO CORP32003–2004
BEIJING XIAOMI MOBILE SOFTWARE CO LTD12021
Locations
LocationPatentsSpan
Copley, OH, US32003–2004
Beijing, CN12021