Inventor

Hongfeng Sun

Inventor
Beijing, CN

Overview

2→
Patents
2014–2015
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

E01Cprimary
E01CConstruction of, or surfaces for, roads, sports grounds, or the like50%
H03MCoding50%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to SUN HONGFENG (1)· patent assignee history
2014Patents assigned to TONG ZHIXIN (1)· patent assignee history
2014Patents assigned to WEI ZHENG (1)· patent assignee history
2014Based in Guangdong, CN· patent location history
2015Patents assigned to GUANGXI COMM INVEST GROUP CO LTD (1)· patent assignee history
2015Patents assigned to RES INST HIGHWAY MINI TRANSP (1)· patent assignee history
2015Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GUANGXI COMM INVEST GROUP CO LTD12015
RES INST HIGHWAY MINI TRANSP12015
SUN HONGFENGself12014
TONG ZHIXIN12014
WEI ZHENG12014
Locations
LocationPatentsSpan
Beijing, CN12015
Guangdong, CN12014