IP Library Assignment 022945/0357
Patent Assignment
Reel/Frame 022945/0357

Assignment of Assignor's Interest

Recorded: 2009-07-13 Pages: 3
Assignors
KUROIWA, YOSHIYUKI
Executed: 2009-02-17
SAKAMOTO, AKIHIRO
Executed: 2009-02-24
Assignee
SUMITOMO METAL INDUSTRIES, LTD.
5-33, KITAHAMA 4-CHOME, CHUO-KU, OSAKA-SHI, OSAKA, 541-0041, JAPAN
Covered Property (1)
Blasting Device for Steel Pipe Inner Surface, Blasting Method for Steel Pipe Inner Surface, and Method for Producing Steel Pipe with Excellent Inner Surface Texture
Patent: 8,016,642 →
Application: 12/379,725 →
Publication: US 2009/0233531
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger May 14, 2019
From: SUMITOMO METAL INDUSTRIES, LTD.
To: NIPPON STEEL & SUMITOMO METAL CORPORATION
Reel/Frame 049165/0517 →
Change of Name May 14, 2019
From: NIPPON STEEL & SUMITOMO METAL CORPORATION
To: NIPPON STEEL CORPORATION
Reel/Frame 049257/0828 →