IP Library Assignment 024256/0348
Patent Assignment
Reel/Frame 024256/0348

Assignment of Assignor's Interest

Recorded: 2010-04-20 Pages: 2
Assignors
OKAZAKI, SHUNJI
Executed: 2010-04-01
ISHIKAWA, TOSHITAKA
Executed: 2010-04-01
Assignee
HITACHI METALS, LTD.
2-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO, JAPAN
Covered Property (1)
Cordierite-Based Ceramic Honeycomb Filter and Its Production Method
Patent: 8,500,840 →
Application: 12/682,476 →
Publication: US 2010/0205921
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 →