Granted Patent
Utility
US 6,556,384 · App. 09/590,659
Head supporting arm, Data recording apparatus, with laser beam exposing aperture and limiter
Inventors:
Hiroo Inoue, Tatsushi Yoshida, Tatsumi Tsuchiya, Yurika Shimozawa
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Jun 7, 2000
Inventors
Hiroo Inoue
Tatsushi Yoshida
Tatsumi Tsuchiya
Yurika Shimozawa
Assignee (at issue)
International Business Machines 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.