Granted Patent
Utility
US 5,637,913 · App. 08/311,021
Leadframe semiconductor integrated circuit device using the same and method of and process for fabricating the two
Inventors:
Yujiro Kajihara, Kazunari Suzuki, Kunihiro Tsubosaki, Hiromichi Suzuki, Yoshinori Miyaki, Takahiro Naito, Sueo Kawai
Patented Case
View Patent ↗
Granted: Jun 10, 1997
Filed: Sep 22, 1994
Inventors
Yujiro Kajihara
Kazunari Suzuki
Kunihiro Tsubosaki
Hiromichi Suzuki
Yoshinori Miyaki
Takahiro Naito
Sueo Kawai
Assignees (at issue)
HITACHI, LTD.
Hitachi Microcomputer System Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.