Patent Assignment
Reel/Frame 022808/0432
Assignment of Assignor's Interest
Recorded: 2009-06-10
Pages: 2
Assignors
SUWABE, HIROHISA
Executed: 2009-06-01
YOSHIDA, MASARU
Executed: 2009-06-01
KUMAGAI, TOMOMASA
Executed: 2009-06-01
Assignee
HITACHI METALS, LTD.
2-1, SHIBAURA 1-CHOME,, MINATO-KU, TOKYO, JAPAN
Covered Property
(1)
Method for Producing Aluminum-Titanate-Based Ceramic Honeycomb Structure
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 →