IP Library Assignment 029079/0097
Patent Assignment
Reel/Frame 029079/0097

Assignment of Assignor's Interest

Recorded: 2012-10-04 Pages: 2
Assignors
OKAZAKI, SHUNJI
Executed: 2012-09-08
ISHIZAWA, TOSHITAKA
Executed: 2012-09-08
Assignee
HITACHI METALS, LTD.
2-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO, JAPAN
Covered Property (1)
Ceramic Honeycomb Filter and Its Production Method
Patent: 8,821,609 →
Application: 13/638,283 →
Publication: US 2013/0019579
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 →