Granted Patent
Utility
US 5,212,472 · App. 07/413,678
Gas discharge type light emission apparatus and method of driving the same
Inventors:
Atsushi Takahashi, Hiroshi Furuya, Hideo Sawai, Mio Chiba, Yukio Nakamura, Masao Ikehata, Hiroshi Tohyama, Hiromi Takahashi, Yoshitaka Terao, Yuuji Terouchi
Patented Case
View Patent ↗
Granted: May 18, 1993
Filed: Sep 28, 1989
Inventors
Atsushi Takahashi
Hiroshi Furuya
Hideo Sawai
Mio Chiba
Yukio Nakamura
Masao Ikehata
Hiroshi Tohyama
Hiromi Takahashi
Yoshitaka Terao
Yuuji Terouchi
Assignee (at issue)
OKI ELECTRIC INDUSTRY 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.