Granted Patent
Utility
US 4,453,252 · App. 06/368,471
Dye laser
Inventors:
Takashi Arisawa, Yoichiro Maruyama, Seiichi Imahori, Masaharu Kaneko, Hitohsi Ono
Patented Case
View Patent ↗
Granted: Jun 5, 1984
Filed: Apr 14, 1982
Inventors
Takashi Arisawa
Yoichiro Maruyama
Seiichi Imahori
Masaharu Kaneko
Hitohsi Ono
Assignees (at issue)
Mitsubishi Chemical Industries, Ltd.
Japan Atomic Energy Research Institute
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.