Patent Assignment
Reel/Frame 027109/0282
Assignment of Assignor's Interest
Recorded: 2011-10-24
Pages: 2
Assignor
SUMITOMO ELECTRIC INDUSTRIES, LTD.
Executed: 2011-09-29
Assignee
JAPAN OIL, GAS AND METALS NATIONAL CORPORATION
2-10-1 TORANOMON, MINATO-KU, TOKYO, 105-0001, JAPAN
Covered Property
(1)
Insert Chip of Oil-Drilling Tricone Bit, Manufacturing Method Thereof and Oil-Drilling Tricone Bit
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 11, 2002
From: TSUDA, KEIICHI; MORI, NOBUYUKI; MORIGUCHI, HIDEKI
To: JAPAN NATIONAL OIL CORPORATION; SUMITOMO ELECTRIC INDUSTRIES, LTD.
Reel/Frame 012982/0905 →
Merger
Mar 2, 2005
From: JAPAN NATIONAL OIL CORPORATION
To: JAPAN OIL, GAS AND METALS NATIONAL CORPORATION
Reel/Frame 015819/0188 →