Granted Patent
Utility
US 5,151,499 · App. 07/464,077
Production method for protein-containing composition
Inventors:
Shoju Kameyama, Kenmi Miyano, Motonori Hashimoto, Kazuo Takechi, Takao Ohmura, Yutaka Hirao, Yahiro Uemura, Kazumasa Yokoyama
Patented Case
View Patent ↗
Granted: Sep 29, 1992
Filed: Jan 12, 1990
Inventors
Shoju Kameyama
Kenmi Miyano
Motonori Hashimoto
Kazuo Takechi
Takao Ohmura
Yutaka Hirao
Yahiro Uemura
Kazumasa Yokoyama
Assignee (at issue)
Green Cross 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.