Inventor

Zhenfeng Zhang

Inventor
Foshan, CN

Overview

4→
Patents
1997–2020
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.

C07Bprimary
C07BGeneral methods of organic chemistry17%
C07CAcyclic or carbocyclic compounds17%
A23JProtein compositions for foodstuffs8%
C07DHeterocyclic compounds8%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium8%
C11BProducing, e.g. by pressing raw materials or by extraction from waste materials, refining or preserving fats, fatty substances, e.g. lanolin, fatty oils or waxes8%
H01BCables8%
H01QAntennas, i.e. radio aerials8%
H01RElectrically-conductive connections8%
H05KPrinted circuits8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to PETER SIEGFRIED (1)· patent assignee history
1997Based in Erlangen, DE· patent location history
2015–2019Patents assigned to NIPPON CHEMICAL IND (2)· patent assignee history
2015Patents assigned to IMAMOTO TSUNEO (1)· patent assignee history
2015Based in Tokyo, JP· patent location history
2019Based in Shanghai, CN· patent location history
2020Patents assigned to GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD (1)· patent assignee history
2020Patents assigned to MIDEA GROUP CO LTD (1)· patent assignee history
2020Based in Foshan, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON CHEMICAL IND22015–2019
GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD12020
IMAMOTO TSUNEO12015
MIDEA GROUP CO LTD12020
PETER SIEGFRIED11997
Locations
LocationPatentsSpan
Foshan, CN12020
Shanghai, CN12019
Tokyo, JP12015
Erlangen, DE11997