IP Library Assignment 052533/0138
Patent Assignment
Reel/Frame 052533/0138

Assignment of Assignor's Interest

Recorded: 2020-04-30 Pages: 3
Assignors
YAMAGUCHI, MICHITAKA
Executed: 2020-04-13
WATANABE, SATOSHI
Executed: 2020-04-13
Assignee
MITSUI MINING & SMELTING CO., LTD.
1-11-1 OSAKI, SHINAGAWA-KU, TOKYO, 1418584, JAPAN
Covered Property (1)
Exhaust Gas Purging Composition
Application: 16/760,479 →
Publication: US 2020/0346191
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 →