Patent Assignment
Reel/Frame 074413/0934
Assignment of Assignor's Interest
Recorded: 2026-04-20
Pages: 3
Assignor
CARBON NANO ENGINEERING SYSTEMS CO., LTD.
Executed: 2026-04-14
Assignee
HUNAN YUANCHANG NEW MATERIAL TECHNOLOGY CO., LTD.
601, BUILDING 5, PHASE 1 FACTORY OF CENTRAL INTELLIGENCE VALLEY, NO. 189, SECTION 2, RENMIN EAST ROAD, CHANGSHA ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, CHANGSHA CITY, HUNAN PROVINCE, 410100, CHINA
Covered Property
(1)
Method for Repairing Reduced Graphene Oxide
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 6, 2016
From: ZHANG, MINGDONG; ZHANG, LINDE
To: SHENZHEN CANTONNET ENERGY SERVICES CO., LTD
Reel/Frame 039258/0617 →
Assignment of Assignor's Interest
Apr 7, 2022
From: SHENZHEN CANTONNET ENERGY SERVICES CO. , LTD.
To: HUBEI HIGHLAND GRAPHENE TECHNOLOGY CO., LTD.
Reel/Frame 059537/0169 →
Assignment of Assignor's Interest
Aug 1, 2025
From: HUBEI HIGHLAND GRAPHENE TECHNOLOGY CO., LTD.
To: CARBON NANO ENGINEERING SYSTEMS CO., LTD.
Reel/Frame 071904/0322 →