Granted Patent
Utility
US 6,462,058 · App. 09/674,624
Benzimidazole compound crystal
Inventors:
Akira Fujishima, Isao Aoki, Keiji Kamiyama
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Nov 3, 2000
Inventors
Akira Fujishima
Isao Aoki
Keiji Kamiyama
Assignee (at issue)
Takeda Chemical Industries 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.