IP Library › Assignment 023535/0300
Patent Assignment
Reel/Frame 023535/0300

Assignment of Assignor's Interest

Recorded: 2009-11-18 Pages: 4
Assignor
KUMAZAKI, YOSHIHIRO
Executed: 1998-04-03
Assignee
NIPPON STEEL CORPORATION
6-3, OTEMACHI 2-CHOME, CHIYODA-KU, TOKYO, 100-8071, JAPAN
Covered Properties (2)
Shield Plate Electrode Fro Semiconductor Device
Patent: 7,808,033 →
Application: 11/494,382 →
Publication: US 2007/0029605
Semiconductor Device Having Controllable Transistor Threshold Voltage
Patent: 8,253,186 →
Application: 12/575,915 →
Publication: US 2010/0090266
Related Assignments (2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 18, 2009
From: NIPPON STEEL CORPORATION
To: PEGRE SEMICONDUCTORS LLC
Reel/Frame 023535/0311 →
Merger Dec 7, 2010
From: PEGRE SEMICONDUCTORS LLC
To: INTELLECTUAL VENTURES I LLC
Reel/Frame 025446/0042 →