Granted Patent
Utility
US 6,424,944 · App. 09/374,115
Singing apparatus capable of synthesizing vocal sounds for given text data and a related recording medium
Inventor:
Kazuo Hikawa
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Aug 16, 1999
Inventor
Kazuo Hikawa
Assignee (at issue)
Victor Company of Japan, 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.