Inventor

Junfeng Han

Inventor
Heilongjiang, CN

Overview

1→
Patents
2013
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

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

B61Dprimary
B61DBody details or kinds of railway vehicles50%
Y02TClimate change mitigation technologies related to transportation50%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013Patents assigned to DALIAN QICHE RAILWAY ROLLING STOCK CO LTD (1)· patent assignee history
2013Patents assigned to HAN JUNFENG (1)· patent assignee history
2013Patents assigned to LIU HAIPENG (1)· patent assignee history
2013Patents assigned to QIQIHAR RAILWAY ROLLING STOCK (1)· patent assignee history
2013Patents assigned to YU YUEBIN (1)· patent assignee history
2013Based in Heilongjiang, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DALIAN QICHE RAILWAY ROLLING STOCK CO LTD12013
HAN JUNFENGself12013
LIU HAIPENG12013
QIQIHAR RAILWAY ROLLING STOCK12013
YU YUEBIN12013
Locations
LocationPatentsSpan
Heilongjiang, CN12013