Granted Patent
Utility
US 5,778,237 · App. 08/572,677
Data processor and single-chip microcomputer with changing clock frequency and operating voltage
Inventors:
Mitsuyoshi Yamamoto, Ikuya Kawasaki, Hideo Inayoshi, Susumu Narita, Masaharu Kubo
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Dec 14, 1995
Inventors
Mitsuyoshi Yamamoto
Ikuya Kawasaki
Hideo Inayoshi
Susumu Narita
Masaharu Kubo
Assignee (at issue)
HITACHI, 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.