Patent Assignment
Reel/Frame 069066/0374
Change of Address
Recorded: 2024-09-27
Pages: 15
Assignor
HITACHI METALS, LTD.
Executed: 2022-07-01
Assignee
HITACHI METALS, LTD.
6-36, TOYOSU 5-CHOME, KOTO-KU, TOKYO, 135-0061, JAPAN
Covered Property
(1)
Pipe Joint
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 14, 2011
From: HAMAGUCHI, TAMAKI; MINAMI, TOMOYUKI; SATOH, FUMITAKA; INOTANI, TAKAAKI
To: HITACHI METALS, LTD.; TOKYO GAS CO., LTD.; SANKOH CO., LTD.
Reel/Frame 027218/0721 →
Change of Name
Sep 27, 2024
From: HITACHI METALS, LTD.
To: PROTERIAL, LTD.
Reel/Frame 069068/0807 →
Nunc Pro Tunc Assignment
Sep 27, 2024
From: SANKOH CO., LTD.
To: PROTERIAL, LTD.; TOKYO GAS CO., LTD.
Reel/Frame 068716/0023 →
Nunc Pro Tunc Assignment
Jun 9, 2025
From: PROTERIAL, LTD.
To: KUWANA METALS, LTD.
Reel/Frame 071358/0626 →