Granted Patent
Utility
US 6,441,661 · App. 09/720,658
PLL circuit
Inventors:
Hiroshi Aoki, Shiro Suzuki, Junichi Horigome, Takayoshi Chiba, Shigeo Yamaguchi
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Dec 28, 2000
Inventors
Hiroshi Aoki
Shiro Suzuki
Junichi Horigome
Takayoshi Chiba
Shigeo Yamaguchi
Assignees (at issue)
ASAHI KASEI KABUSHIKI KAISHA
Asahi Kasei Microsystems Co., Ltd.
SONY GROUP CORPORATION
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.