IP Library Assignment 054934/0709
Patent Assignment
Reel/Frame 054934/0709

Assignment of Assignor's Interest

Recorded: 2021-01-15 Pages: 3
Assignors
MOGI, SATOSHI
Executed: 2020-12-23
WATANABE, HIROMU
Executed: 2020-12-23
TSUKUDA, RYOMA
Executed: 2020-12-23
ABE, NAOHIKO
Executed: 2020-12-23
Assignee
MTSUI MINING & SMELTING CO., LTD.
1-11-1 OSAKI, SHINAGAWA-KU, TOKYO, 1418584, JAPAN
Covered Property (1)
Electrode Catalyst Layer for Fuel Cells and Solid Polymer Fuel Cell Using Same
Application: 17/260,797 →
Publication: US 2021/0273239
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Mar 31, 2026
From: MITSUI MINING AND SMELTING COMPANY, LIMITED
To: MITSUI KINZOKU COMPANY, LIMITED
Reel/Frame 075357/0342 →