Patent Assignment
Reel/Frame 044909/0750
Assignment of Assignor's Interest
Recorded: 2017-12-19
Pages: 4
Assignors
WATANABE, HIROYUKI
Executed: 2015-09-22
IWANAGA, TORU
Executed: 2015-09-24
WANG, LIN
Executed: 2015-09-20
Assignee
HITACHI METALS, LTD.
2-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO, 105-8614, JAPAN
Covered Property
(1)
Method for Producing Castings, Casting Apparatus, and Gas-Blowing Nozzle Used in Casting Apparatus
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Address
Nov 20, 2025
From: HITACHI METALS, LTD.
To: HITACHI METALS, LTD.
Reel/Frame 073636/0806 →
Change of Address
Dec 9, 2025
From: HITACHI METALS, LTD.
To: HITACHI METALS, LTD.
Reel/Frame 073917/0124 →
Change of Name
Dec 9, 2025
From: HITACHI METALS, LTD.
To: PROTERIAL, LTD.
Reel/Frame 073917/0160 →