Granted Patent
Utility
US 6,444,255 · App. 09/781,399
Method for producing liquid crystal display and method for cleaning substrate
Inventors:
Yoshiyuki Nagahara, Naoya Hayamizu, Naoaki Sakurai, Noriko Okoshi, Toshitaka Nonaka, Hiroaki Furuya
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Feb 13, 2001
Inventors
Yoshiyuki Nagahara
Naoya Hayamizu
Naoaki Sakurai
Noriko Okoshi
Toshitaka Nonaka
Hiroaki Furuya
Assignee (at issue)
Kabushiki Kaisha Toshiba
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.