IP Library Assignment 023105/0155
Patent Assignment
Reel/Frame 023105/0155

Assignment of Assignor's Interest

Recorded: 2009-08-17 Pages: 4
Assignors
OTOME, YOHEI
Executed: 2009-06-15
IGARASHI, MASAAKI
Executed: 2009-06-15
AMAYA, HISASHI
Executed: 2009-06-18
OKADA, HIROKAZU
Executed: 2009-06-15
Assignee
SUMITOMO METAL INDUSTRIES, LTD.
5-33, KITAHAMA 4-CHOME, CHUO-KU, OSAKA-SHI, OSAKA, 541-0041, JAPAN
Covered Property (1)
High Strength Cr-Ni Alloy Material and Seamless Pipe for Oil Well
Patent: 8,071,020 →
Application: 12/485,270 →
Publication: US 2009/0291017
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 →