Granted Patent
Utility
US 6,483,356 · App. 09/966,573
Sinusoidal signal generating circuit providing small phase difference with respect to reference signal and apparatus for driving oscillating element with circuit
Inventors:
Hirohisa Suzuki, Masaaki Nishimura, Kazuo Hasegawa, Daisuke Takai
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Sep 26, 2001
Inventors
Hirohisa Suzuki
Masaaki Nishimura
Kazuo Hasegawa
Daisuke Takai
Assignee (at issue)
ALPS ELECTRIC 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.