Patent Assignment
Reel/Frame 027218/0721
Assignment of Assignor's Interest
Recorded: 2011-11-14
Pages: 4
Assignors
HAMAGUCHI, TAMAKI
Executed: 2011-10-25
MINAMI, TOMOYUKI
Executed: 2011-10-25
SATOH, FUMITAKA
Executed: 2011-10-25
INOTANI, TAKAAKI
Executed: 2011-10-25
ISHIBE, FUMIKAZU
Executed: 2011-10-25
ARAKI, SATORU
Executed: 2011-10-25
UCHIUMI, YOUICHI
Executed: 2011-10-25
OKIAYU, TAKUJI
Executed: 2011-10-25
HATTORI, AKIHIRO
Executed: 2011-10-25
Assignees
HITACHI METALS, LTD.
2-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO, JAPAN
TOKYO GAS CO., LTD.
5-20, KAIGAN 1-CHOME, MINATO-KU, TOKYO, JAPAN
SANKOH CO., LTD.
17-14, SAKAECHO 1-CHOME, KAWAGUCHI-SHI, SAITAMA, JAPAN
Covered Property
(1)
Pipe Joint
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
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
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 →