Granted Patent
Utility
US 6,759,585 · App. 10/174,623
Musical-file-processing apparatus, musical-file-processing method and musical-file-processing method program
Inventor:
Mitsuyuki Hatanaka
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: Jun 18, 2002
Inventor
Mitsuyuki Hatanaka
Assignee (at issue)
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.