Patent Assignment
Reel/Frame 005939/0772
Assignment of Assignors Interest.
Recorded: 1991-12-11
Pages: 6
Assignor
JAPAN SILICON CO., LTD.
Executed: 1991-11-22
Assignee
MITSUBISHI MATERIALS SILICON CORPORATION
8-16, IWAMOTO-CHO 3-CHOME, CHIYODA-KU, TOKYO, JAPAN
Covered Properties
(3)
Method of Producing Wafer
Patent:
4,756,796 →
Application:
06/917,726 →
Method and Apparatus for Growing Silicon Crystals
Patent:
4,981,549 →
Application:
07/313,799 →
Method and Apparatus for Growing Silicon Crystals
Application:
07/574,484 →
Related Assignments
(3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Apr 26, 1989
From: YAMASHITA, ICHIRO; SHIMIZU, KOUTARO; BANBA, YOSHIAKI; SHIMANUKI, YASUSHI
To: MITSUBISHI KINZOKU KABUSHIKI KAISHA; JAPAN SILICON CO., LTD.
Reel/Frame 005067/0066 →
Change of Name Effective on 12/01/1990
Aug 14, 1991
From: MITSUBISHI KINSOKU KABUSHIKI KAISHA (CHANGED TO)
To: MITSUBISHI MATERIALS CORPORATION
Reel/Frame 005816/0053 →
Change of Address Effective 11/28/88.
Aug 14, 1991
From: MITSUBISHI KINZOKU KABUSHIKI KAISHA
To: MITSUBISHI KINZOKU KABUSHIKI KAISHA
Reel/Frame 005816/0064 →