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Inventor

Hai Ping Li

Inventor
Sewickley, PA, US

Overview

2→
Patents
2003–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C03Cprimary
C03CChemical composition of glasses, glazes or vitreous enamels33%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients33%
G10LSpeech analysis techniques or speech synthesis33%
PatentTitleYear
10,906,835Glass compositions, fiberizable glass compositions, and glass fibers made therefrom20216,510,410'Method and apparatus for recognizing tone languages using pitch information'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003Patents assigned to IBM (1)· patent assignee history
2003Based in Beijing, CN· patent location history
2021Patents assigned to ELECTRIC GLASS FIBER AMERICA LLC (1)· patent assignee history
2021Based in Sewickley, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ELECTRIC GLASS FIBER AMERICA LLC12021
IBM12003
Locations
LocationPatentsSpan
Sewickley, Pennsylvania, US12021
Beijing, CN12003