Granted Patent
Utility
US 5,506,782 · App. 08/183,357
Operation management system for coke oven
Inventors:
Yoshihiro Omae, Kunio Ishikawa, Yoshifumi Komatsu, Haruo Watanabe, Masaharu Someya, Michio Toyota, Shigenobu Takaki, Kiyohide Nyu, Shigeki Kataoda, Masaki Irie, Yoshio Yoshizumi, Satoru Kimura
Patented Case
View Patent ↗
Granted: Apr 9, 1996
Filed: Jan 19, 1994
Inventors
Yoshihiro Omae
Kunio Ishikawa
Yoshifumi Komatsu
Haruo Watanabe
Masaharu Someya
Michio Toyota
Shigenobu Takaki
Kiyohide Nyu
Shigeki Kataoda
Masaki Irie
Yoshio Yoshizumi
Satoru Kimura
Assignee (at issue)
MITSUBISHI CHEMICAL 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.