Granted Patent
Utility
US 4,720,506 · App. 07/045,161
Immunomodulating agent
Inventors:
Hiroaki Munakata, Makio Kobayashi, Kazuo Wagatsuma, Shigeru Sato, Makoto Tsurufuji, Hiroshi ENOMOTO, Makoto Sugiyama, Yoshihisa Shibata, Iwao Morita
Patented Case
View Patent ↗
Granted: Jan 19, 1988
Filed: May 4, 1987
Inventors
Hiroaki Munakata
Makio Kobayashi
Kazuo Wagatsuma
Shigeru Sato
Makoto Tsurufuji
Hiroshi ENOMOTO
Makoto Sugiyama
Yoshihisa Shibata
Iwao Morita
Assignees (at issue)
NIPPON SHINYAKU CO., LTD.
Mitsubishi 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.