Inventor

Chengfeng Zhang

Inventor

Shanghai, CN

Overview

2→

Patents

2015–2017

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.

C07Cprimary

C07CAcyclic or carbocyclic compounds25%

C07DHeterocyclic compounds25%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein25%

G09GArrangements or circuits for control of indicating devices using static means to present variable information25%

PatentTitleYear

9,568,786'Array substrate with multiple common lines, liquid crystal display and control method thereof'2017 9,206,120'Clean method for preparing D,L-methionine'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015Patents assigned to SHANDONG NHU AMINO ACIDS CO LTD (1)· patent assignee history

2015Patents assigned to UNIV ZHEJIANG (1)· patent assignee history

2015Patents assigned to ZHEJIANG NHU CO LTD (1)· patent assignee history

2015Based in Shaoxing, CN· patent location history

2017Patents assigned to SHANGHAI TIANMA MICROELECTRONICS CO LTD (1)· patent assignee history

2017Based in Shanghai, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHANDONG NHU AMINO ACIDS CO LTD	1	2015
SHANGHAI TIANMA MICROELECTRONICS CO LTD	1	2017
UNIV ZHEJIANG	1	2015
ZHEJIANG NHU CO LTD	1	2015

Locations

Location	Patents	Span
Shanghai, CN	1	2017
Shaoxing, CN	1	2015