Granted Patent
Utility
US 4,761,561 · App. 06/933,185
Laser beam scanning pattern generation system with positional and dimensional error correction
Inventors:
Yoshihisa Fujiwara, Akikazu Tanimoto, Hisakazu Kato, Manabu Hosoya, Shinji Miura, Fuyuhiko Inoue, Yuichi Aoki
Patented Case
View Patent ↗
Granted: Aug 2, 1988
Filed: Nov 21, 1986
Inventors
Yoshihisa Fujiwara
Akikazu Tanimoto
Hisakazu Kato
Manabu Hosoya
Shinji Miura
Fuyuhiko Inoue
Yuichi Aoki
Assignee (at issue)
Nippon Kogaku K.K.
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.