Patent Assignment
Reel/Frame 072549/0232
Change of Name
Recorded: 2025-09-10
Pages: 3
Assignor
GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS
Executed: 2017-12-28
Assignee
GRINM GROUP CORPORATION LIMITED
NO.2, XINJIEKOUWAI STREET, BEIJING, 100088, CHINA
Covered Property
(1)
Rare-Earth Permanent Magnetic Powder, Bonded Magnet Containing Thereof and Device Using the Bonded Magnet
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 12, 2015
From: LI, HONGWEI; LUO, YANG; YU, DUNBO; LI, KUOSHE
To: GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS; GRIREM ADVANCED MATERIALS CO., LTD.
Reel/Frame 035828/0659 →
Assignment of Assignor's Interest
Sep 10, 2025
From: CHINA GRINM GROUP CORPORATION LIMITED; GRIREM ADVANCED MATERIALS CO., LTD.
To: GRIREM ADVANCED MATERIALS CO., LTD.
Reel/Frame 072217/0315 →
Corrective Assignment to Correct the the Incorrect Application Number 10079085, Previously Recorded on Reel 72549 Frame 256. Assignor(S) Hereby Confirms the Change of Name.
Oct 22, 2025
From: GRINM GROUP CORPORATION LIMITED
To: CHINA GRINM GROUP CORPORATION LIMITED
Reel/Frame 073445/0157 →