Granted Patent
Utility
US 6,727,769 · App. 10/157,999
Crystal oscillator circuit using CMOSFETs
Inventors:
Katsuyoshi Aihara, Ryoji Iwakura, Takakazu Yano, Yukio Otaka, Shinichi Komine
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: May 31, 2002
Inventors
Katsuyoshi Aihara
Ryoji Iwakura
Takakazu Yano
Yukio Otaka
Shinichi Komine
Assignee (at issue)
CITIZEN WATCH CO., 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.