Patent Assignment
Reel/Frame 060554/0893
Assignment of Assignor's Interest
Recorded: 2022-07-19
Pages: 3
Assignors
SAITO, HIROKI
Executed: 2022-07-08
HONDA, KEIJI
Executed: 2022-07-07
SHIMA, YUJI
Executed: 2022-07-06
Assignee
KABUSHIKI KAISHA RIKEN
8-1, SANBANCHO, CHIYODA-KU, TOKYO, 102-8202, JAPAN
Covered Property
(1)
Piston Ring, and Method for Manufacturing Same