IP Library Assignment 028838/0892
Patent Assignment
Reel/Frame 028838/0892

Assignment of Assignor's Interest

Recorded: 2012-08-23 Pages: 3
Assignors
KOYAMA, TATSUYA
Executed: 2012-06-12
KUBOTA, MANABU
Executed: 2012-06-12
Assignee
NIPPON STEEL CORPORATION
6-1, MARUNOUCHI 2-CHOME, CHIYODA-KU, TOKYO, 100-8071, JAPAN
Covered Property (1)
Gas-Carburized Steel Part Excellent in Surface Fatigue Strength, Steel Product for Gas Carburizing, and Manufacturing Method of Gas-Carburized Steel Part
Patent: 9,506,137 →
Application: 13/580,601 →
Publication: US 2012/0312425
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Mar 13, 2013
From: NIPPON STEEL CORPORATION
To: NIPPON STEEL & SUMITOMO METAL CORPORATION
Reel/Frame 029980/0103 →
Change of Name May 14, 2019
From: NIPPON STEEL & SUMITOMO METAL CORPORATION
To: NIPPON STEEL CORPORATION
Reel/Frame 049257/0828 →