Granted Patent
Utility
US 5,970,486 · App. 08/980,268
Keyword creation method and its apparatus
Inventors:
Kimiyoshi Yoshida, Yasushi Takahashi, Yoshihito Fujiwara
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Nov 28, 1997
Inventors
Kimiyoshi Yoshida
Yasushi Takahashi
Yoshihito Fujiwara
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.