Patent Assignment
Reel/Frame 073607/0458
Nunc Pro Tunc Assignment
Recorded: 2026-01-28
Pages: 13
Assignors
SUMITOMO ELECTRIC INDUSTRIES, LTD.
Executed: 2025-08-18
MITSUBISHI MATERIALS CORPORATION
Executed: 2025-08-29
D.N.A. METAL CO., LTD.
Executed: 2025-11-19
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 CO., LTD.
1-11-1, OSAKI, SHINAGAWA-KU, TOKYO, 141-8584, JAPAN
MITSUI MINING & SMELTING CO., LTD.
1-11-1, OSAKI, SHINAGAWA-KU, TOKYO, 141-8584, 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.
Assignment of Assignor's Interest
Mar 24, 2020
From: NISHIBAYASHI, YOSHIKI; MAEDA, SHIGEKI; FUJIWARA, KAZUTAKA
To: SUMITOMO ELECTRIC INDUSTRIES, LTD.; MITSUBISHI MATERIALS CORPORATION; D.N.A. METAL COMPANY, LIMITED
Reel/Frame 052211/0890 →
Change of Name
Mar 31, 2026
From: MITSUI MINING AND SMELTING COMPANY, LIMITED
To: MITSUI KINZOKU COMPANY, LIMITED
Reel/Frame 075357/0342 →