Patent Assignment
Reel/Frame 066124/0473
Change of Name
Recorded: 2023-12-20
Pages: 5
Assignor
FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH CO., LTD.
Executed: 2023-11-30
Assignee
FUJIAN GOLDEN DRAGON RARE-EARTH CO., LTD.
INDUSTRIAL NEW DEVELOPED ZONE, CHANGTING, FUJIAN, 366300, CHINA
Covered Properties
(17)
R-Fe-B-Based Sintered Magnet with Low B Content and Preparation Method Therefor
R-Fe-B SINTERED MAGNET AND GRAIN BOUNDARY DIFFUSION TREATMENT METHOD THEREOF
Application:
17/626,954 →
Publication:
US 2022/0328245
An N,N-Dihydrocarbonylamide Carboxylic Acid, Preparation Method Therefor and Use Thereof
N,N-Dihydrocarbonyl Amino Carboxylic Acid, Preparation Method Therefor and Use Thereof
Continous Heat Treatment Device and Method for Alloy Workpiece or Metal Workpiece
Grain Boundary Diffusion Method of R-Fe-B Series Rare Earth Sintered Magnet
Device and Method for Continuously Performing Grain Boundary Diffusion and Heat Treatment
COMPOSITE R-Fe-B SERIES RARE EARTH SINTERED MAGNET COMPRISING Pr AND W
Method of Manufacturing a Rare Earth Magnet Alloy Powder, a Rare Earth Magnet Made Therefrom and a Powder Making Device
W-Containing R-Fe-B-Cu Sintered Magnet and Quenching Alloy
W-Containing R-Fe-B-Cu Sintered Magnet and Quenching Alloy
Double-Shell Neodymium-Iron-Boron Magnet and Preparation Method Therefor
Application:
18/546,408 →
R-T-B Magnet and Preparation Method Therefor
Application:
18/548,206 →
Publication:
US 2024/0355515
Manufacturing Method of Rare Earth Magnet Based on Heat Treatment of Fine Powder
Low-B Rare Earth Magnet
A Rare Earth Magnet and a Method Fo Manufacturing Compactable Powder for the Rare Earth Magnet Without Jet Milling
Rare-Earth Magnet Comprising Holmium and Tungsten
Related Assignments
(21)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
May 11, 2015
From: NAGATA, HIROSHI; WU, CHONGHU
To: XIAMEN TUNGSTEN CO., LTD.
Reel/Frame 035607/0374 →
Assignment of Assignor's Interest
Jul 1, 2015
From: NAGATA, HIROSHI; WU, CHONGHU
To: XIAMEN TUNGSTEN CO., LTD.
Reel/Frame 035948/0773 →
Assignment of Assignor's Interest
May 26, 2016
From: NAGATA, HIROSHI; YU, RONG
To: XIAMEN TUNGSTEN CO., LTD.
Reel/Frame 038823/0601 →
Assignment of Assignor's Interest
Jun 20, 2016
From: NAGATA, HIROSHI; YU, RONG
To: XIAMEN TUNGSTEN CO., LTD.
Reel/Frame 038955/0397 →
Assignment of Assignor's Interest
Sep 28, 2017
From: NAGATA, HIROSHI; ZHANG, JIANHONG
To: XIAMEN TUNGSTEN CO., LTD.,
Reel/Frame 043728/0356 →
Assignment of Assignor's Interest
Mar 28, 2018
From: NAGATA, HIROSHI
To: XIAMEN TUNGSTEN CO., LTD.
Reel/Frame 045374/0726 →
Assignment of Assignor's Interest
Oct 9, 2018
From: LIN, YULIN; NAGATA, HIROSHI; LIAO, ZONGBO; XIE, JUHUA
To: XIAMEN TUNGSTEN CO., LTD.
Reel/Frame 047104/0737 →
Assignment of Assignor's Interest
Feb 21, 2019
From: XIAMEN TUNGSTEN CO., LTD.
To: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH CO., LTD.
Reel/Frame 048396/0933 →
Assignment of Assignor's Interest
May 15, 2019
From: NAGATA, HIROSHI; YU, RONG; LAN, QIN
To: XIAMEN TUNGSTEN CO., LTD.,
Reel/Frame 049180/0400 →
Assignment of Assignor's Interest
Dec 9, 2019
From: WANG, QINGJIANG; LUO, YING; WU, JIANPENG
To: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH CO., LTD.
Reel/Frame 051218/0949 →
Assignment of Assignor's Interest
Dec 16, 2019
From: WANG, QINGJIANG; LIAO, ZONGBO; LIN, YULIN; HUANG, CHANGGENG
To: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH CO., LTD.
Reel/Frame 051295/0218 →
Assignment of Assignor's Interest
Jul 24, 2020
From: LAN, QIN; ZHOU, YAN; SHI, YAO
To: XIAMEN TUNGSTEN CO., LTD.; FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH CO., LTD.
Reel/Frame 053300/0300 →
Assignment of Assignor's Interest
Jan 13, 2022
From: SHI, DAWEI; ZHONG, KEXIANG; WU, MAOLIN
To: XIAMEN TUNGSTEN CO., LTD.; FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH CO., LTD.
Reel/Frame 058646/0291 →
Assignment of Assignor's Interest
Feb 28, 2022
From: WANG, YANLIANG; XIAO, WENTAO; WU, YUYUAN; LIN, JINCHI
To: XIAMEN TUNGSTEN CO., LTD.
Reel/Frame 059119/0427 →
Assignment of Assignor's Interest
Feb 28, 2022
From: WANG, YANLIANG; XIAO, WENTAO; WU, YUYUAN; LIN, JINCHI
To: XIAMEN TUNGSTEN CO., LTD.
Reel/Frame 059119/0076 →
Assignment of Assignor's Interest
Mar 30, 2022
From: XIAMEN TUNGSTEN CO., LTD.
To: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH CO., LTD.; XIAMEN TUNGSTEN CO., LTD.
Reel/Frame 059445/0001 →
Assignment of Assignor's Interest
May 20, 2022
From: XIAMEN TUNGSTEN CO., LTD; FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH CO., LTD
To: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH CO., LTD.
Reel/Frame 059966/0166 →
Assignment of Assignor's Interest
Aug 15, 2023
From: WEI, XING; HUANG, JIAYING; TANG, ZHIHUI; HUANG, QINGFANG
To: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH CO., LTD.
Reel/Frame 064585/0468 →
Assignment of Assignor's Interest
Sep 13, 2023
From: MOU, WEIGUO; HUANG, JIAYING
To: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH CO., LTD
Reel/Frame 064889/0246 →
Assignment of Assignor's Interest
Apr 22, 2024
From: NAGATA, HIROSHI
To: XIAMEN TUNGSTEN CO., LTD.
Reel/Frame 067177/0151 →
Assignment of Assignor's Interest
Dec 30, 2024
From: FUJIAN GOLDEN DRAGON RARE-EARTH CO., LTD.
To: FUJIAN GOLDEN DRAGON RARE-EARTH CO., LTD.; GOLDEN DRAGON RARE-EARTH INNOVATION TECHNOLOGY (XIAMEN) CO., LTD.
Reel/Frame 069695/0822 →