Granted Patent
Utility
US 6,251,661 · App. 09/432,823
Seamless capsule for synthesizing biopolymer and method for producing the same
Inventors:
Itaru Urabe, Tetsuya Yomo, Keizo Yamamoto, Hideki Sunohara, Ryosei Kamaguchi, Yumi Hatano
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Nov 2, 1999
Inventors
Itaru Urabe
Tetsuya Yomo
Keizo Yamamoto
Hideki Sunohara
Ryosei Kamaguchi
Yumi Hatano
Assignee (at issue)
MORISHITA JINTAN CO., 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.