Patent Assignment
Reel/Frame 021294/0814
Assignment of Assignor's Interest
Recorded: 2008-07-25
Pages: 2
Assignee
HITACHI METALS, LTD.
2-1 SHIBAURA 1-CHOME, MINATO-KU, TOKYO, JAPAN
Covered Property
(1)
Method for Producing Ceramic Honeycomb Filter
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Company Split
Jun 24, 2026
From: PROTERIAL, LTD.
To: MIRAI CASTING HOLDINGS, LTD.
Reel/Frame 075813/0141 →
Nunc Pro Tunc Assignment
Jun 24, 2026
From: MIRAI CASTING HOLDINGS, LTD.
To: MIRAI CASTING AMERICA INC.
Reel/Frame 075813/0149 →
Change of Address
Jun 24, 2026
From: HITACHI METALS LTD.
To: HITACHI METALS LTD.
Reel/Frame 075981/0686 →
Change of Name
Sep 11, 2026
From: HITACHI METALS LTD.
To: PROTERIAL, LTD.
Reel/Frame 075976/0953 →