Granted Patent
Utility
US 6,551,823 · App. 09/882,034
EBV-infected stomach cancer cell line
Inventors:
Masako Tajima, Masakatsu Takanashi, Yukihisa Miyazawa, Toshio Takeshima, Kota Okinaga
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Jun 18, 2001
Inventors
Masako Tajima
Masakatsu Takanashi
Yukihisa Miyazawa
Toshio Takeshima
Kota Okinaga
Assignee (at issue)
Eisai Inc.
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.