Patent Assignment
Reel/Frame 068716/0023
Nunc Pro Tunc Assignment
Recorded: 2024-09-27
Pages: 4
Assignor
SANKOH CO., LTD.
Executed: 2024-06-11
Assignees
PROTERIAL, LTD.
6-36, TOYOSU 5-CHOME, KOTO-KU, TOKYO, 135-0061, JAPAN
TOKYO GAS CO., LTD.
5-20, KAIGAN 1-CHOME, MINATO-KU, TOKYO, 105-8527, 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 Address
Sep 27, 2024
From: HITACHI METALS, LTD.
To: HITACHI METALS, LTD.
Reel/Frame 069066/0374 →
Change of Name
Sep 27, 2024
From: HITACHI METALS, LTD.
To: PROTERIAL, LTD.
Reel/Frame 069068/0807 →
Nunc Pro Tunc Assignment
Jun 9, 2025
From: PROTERIAL, LTD.
To: KUWANA METALS, LTD.
Reel/Frame 071358/0626 →