Inventor

Yifei ZHENG

Inventor
CN

Overview

2→
Patents
2024
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

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

B61Fprimary
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles17%
B61LGuiding railway traffic17%
G02BOptical elements, systems or apparatus17%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein17%
G06VImage or video recognition or understanding17%
Y02TClimate change mitigation technologies related to transportation17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024Patents assigned to 3M INNOVATIVE PROPERTIES COMPANY (1)· patent assignee history
2024Patents assigned to Shanghai shenchuan electric co ltd (1)· patent assignee history
2024Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
3M INNOVATIVE PROPERTIES COMPANY12024
Shanghai shenchuan electric co ltd12024
Locations
LocationPatentsSpan
CN22024