Patent Assignment
Reel/Frame 054602/0297
Assignment of Assignor's Interest
Recorded: 2020-12-10
Pages: 6
Assignors
AOKI, KATSUYUKI
Executed: 2020-11-30
IWAI, KENTARO
Executed: 2020-11-30
FUKASAWA, TAKAYUKI
Executed: 2020-11-30
MOMMA, JUN
Executed: 2020-11-30
SANO, TAKASHI
Executed: 2020-11-30
Assignees
KABUSHIKI KAISHA TOSHIBA
1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO, 105-8001, JAPAN
TOSHIBA MATERIALS CO., LTD.
8, SHINSUGITA-CHO, ISOGO-KU, YOKOHAMA-SHI, KANAGAWA-KEN, 235-8522, JAPAN
Covered Property
(1)
Silicon Nitride Sintered Body, Silicon Nitride Substrate, And Silicon Nitride Circuit Board
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Nunc Pro Tunc Assignment
Feb 19, 2026
From: KABUSHIKI KAISHA TOSHIBA
To: TOSHIBA MATERIALS CO. LTD.
Reel/Frame 074940/0511 →
Change of Name
Feb 19, 2026
From: TOSHIBA MATERIALS CO. LTD.
To: NITERRA MATERIALS CO., LTD.
Reel/Frame 074941/0803 →
Change of Address
Feb 19, 2026
From: KABUSHIKI KAISHA TOSHIBA
To: KABUSHIKI KAISHA TOSHIBA
Reel/Frame 074941/0846 →