Granted Patent
Utility
US 6,725,155 · App. 09/673,112
Method and apparatus for information processing, and medium for information processing
Inventors:
Yoshikazu Takahashi, Yasuhiko Kato, Kenichiro Kobayashi, Masanori Omote, Ai Kato
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Dec 22, 2000
Inventors
Yoshikazu Takahashi
Yasuhiko Kato
Kenichiro Kobayashi
Masanori Omote
Ai Kato
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.