Patent Assignment
Reel/Frame 052211/0890
Assignment of Assignor's Interest
Recorded: 2020-03-24
Pages: 11
Assignors
NISHIBAYASHI, YOSHIKI
Executed: 2020-03-03
MAEDA, SHIGEKI
Executed: 2020-03-03
FUJIWARA, KAZUTAKA
Executed: 2020-02-28
Assignees
SUMITOMO ELECTRIC INDUSTRIES, LTD.
5-33, KITAHAMA 4-CHOME, CHUO-KU, OSAKA-SHI, OSAKA, 541-0041, JAPAN
MITSUBISHI MATERIALS CORPORATION
3-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO, 100-8117, JAPAN
D.N.A. METAL COMPANY, LIMITED
8-16, OIKE 1-CHOME, IBARAKI-SHI, OSAKA, 567-0826, JAPAN
Covered Property
(1)
Method for Manufacturing Hard Carbon-Based Coating, and Member Provided with Coating
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Nunc Pro Tunc Assignment
Jan 28, 2026
From: SUMITOMO ELECTRIC INDUSTRIES, LTD.; MITSUBISHI MATERIALS CORPORATION; D.N.A. METAL CO., LTD.
To: SUMITOMO ELECTRIC INDUSTRIES, LTD.; MITSUBISHI MATERIALS CORPORATION; D.N.A. METAL CO., LTD.; MITSUI MINING & SMELTING CO., LTD.
Reel/Frame 073607/0458 →
Change of Name
Mar 31, 2026
From: MITSUI MINING AND SMELTING COMPANY, LIMITED
To: MITSUI KINZOKU COMPANY, LIMITED
Reel/Frame 075357/0342 →