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Inventor

Chen Wan

Inventor
Hubei, CN

Overview

3→
Patents
2014–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds17%
C08JWorking-up17%
C08LCompositions of macromolecular compounds17%
G06VImage or video recognition or understanding17%
G10LSpeech analysis techniques or speech synthesis17%
LOC0917%
PatentTitleYear
D0918030Cigarette packaging box202110,961,394Thermoplastic composition, method for the manufacture thereof, and articles prepared therefrom20218,650,027'Electrolaryngeal speech reconstruction method and system thereof'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to NIU ZHIFENG (1)· patent assignee history
2014Patents assigned to UNIV XI AN JIAOTONG (1)· patent assignee history
2014Based in Xi'an, CN· patent location history
2021Patents assigned to CHINA TOBACCO HUBEI INDUSTRIAL CORPORATION LTD (1)· patent assignee history
2021Patents assigned to SABIC GLOBAL TECHNOLOGIES BV (1)· patent assignee history
2021Patents assigned to SHPP GLOBAL TECH BV (1)· patent assignee history
2021Based in Hubei, CN· patent location history
2021Based in Newburgh, IN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHINA TOBACCO HUBEI INDUSTRIAL CORPORATION LTD12021
NIU ZHIFENG12014
SABIC GLOBAL TECHNOLOGIES BV12021
SHPP GLOBAL TECH BV12021
UNIV XI AN JIAOTONG12014
Locations
LocationPatentsSpan
Hubei, CN12021
Newburgh, IN, US12021
Xi'an, CN12014