IP Library Assignment 041704/0715
Patent Assignment
Reel/Frame 041704/0715

Assignment of Assignor's Interest

Recorded: 2017-03-23 Pages: 4
Assignors
NOGUCHI, ATSUHIRO
Executed: 2017-02-15
SOGA, WATARU
Executed: 2017-02-15
Assignee
HITACHI METALS, LTD.
2-70, KONAN 1-CHOME, MINATO-KU, TOKYO, 108-8224, JAPAN
Covered Property (1)
Ceramic Honeycomb Filter and Its Production Method
Patent: 9,981,881 →
Application: 15/513,693 →
Publication: US 2017/0313628
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →