Patent Assignment
Reel/Frame 033199/0694
Assignment of Assignor's Interest
Recorded: 2014-06-27
Pages: 5
Assignors
WANG, LIN
Executed: 2014-05-05
KAWABATA, MASAHIDE
Executed: 2014-05-05
FUKUMOTO, KENTARO
Executed: 2014-05-08
Assignee
HITACHI METALS, LTD.
2-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO, 105-8614, JAPAN
Covered Property
(1)
Spheroidal Graphite Cast Iron Having Excellent Strength and Toughness and Its Production Method
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 →