IP Library Assignment 007770/0181
Patent Assignment
Reel/Frame 007770/0181

Assignment of Assignor's Interest

Recorded: 1996-01-16 Pages: 3
Assignors
HORAI, MASATAKE
Executed: 1994-04-08
ADACHI, NAOSHI
Executed: 1994-04-08
NISHIKAWA, HIDESHI
Executed: 1994-04-08
SANO, MASAKAZU
Executed: 1994-04-08
Assignee
SUMITOMO SITIX CORPORATION
1, HIGASHIHAMA-CHO, AMAGASAKI-SHI, HYOGO, 660, JAPAN
Covered Property (1)
Method of Annealing a Semiconductor Wafer in a Hydrogen Atmosphere to Desorb Surface Contaminants
Patent: 5,508,207 →
Application: 08/199,170 →
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Jul 30, 1999
From: SUMITOMO SITIX CORPORATION
To: SUMITOMO METAL INDUSTRIES, LTD.
Reel/Frame 010095/0190 →
Assignment of Assignor's Interest Jul 5, 2002
From: SUMITOMO METAL INDUSTRIES, LTD.
To: SUMITOMO MITSUBISHI SILICON CORPORATION
Reel/Frame 013029/0744 →