IP Library Assignment 051741/0135
Patent Assignment
Reel/Frame 051741/0135

Assignment of Assignor's Interest

Recorded: 2020-02-06 Pages: 4
Assignor
MITSUMOTO, TETSUYA
Executed: 2019-07-18
Assignee
MITSUI MINING & SMELTING CO., LTD.
1-11-1, OSAKI, SHINAGAWA-KU, TOKYO, 1418584, JAPAN
Covered Property (1)
Si-Based Negative Electrode Active Material
Application: 16/637,056 →
Publication: US 2020/0243847
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 →