Patent Assignment
Reel/Frame 004738/0576
Assignment of Assignors Interest.
Recorded: 1987-07-09
Pages: 1
Assignors
HIHARA, TOSHIO
Executed: 1987-07-03
SHIMIZU, YUKIHARU
Executed: 1987-07-03
SHIMIZU, KANZI
Executed: 1987-07-03
Covered Property
(1)
Pyrazolone or Pyridone Type Water Soluble Disazo Colorant Containing One of Two Triazine Rings
Patent:
4,843,150 →
Application:
07/071,644 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Dec 2, 1988
From: MITSUBISHI CHEMICAL INDUSTRIES LIMITED
To: MITSUBISHI KASEI CORPORATION
Reel/Frame 005056/0602 →
Change of Name
Jun 27, 1996
From: MITSUBISHI KASEI CORPORATION
To: MITSUBISHI CHEMICAL CORPORATION
Reel/Frame 008006/0362 →
Assignment of Assignor's Interest
Jun 27, 1996
From: MITSUBISHI CHEMICAL CORPORATION
To: DYSTAR JAPAN, LTD.
Reel/Frame 008006/0371 →