Granted Patent
Utility
US 6,350,178 · App. 09/747,808
Zone textured magnetic recording media and methods for their production
Inventors:
Joel R. Weiss, Koji Shima, Joseph Leigh, Hiroshi Konishi, Nobuo Kurataka, Hiroki Hara, Naoki Inoue
Patented Case
View Patent ↗
Granted: Feb 26, 2002
Filed: Dec 22, 2000
Inventors
Joel R. Weiss
Koji Shima
Joseph Leigh
Hiroshi Konishi
Nobuo Kurataka
Hiroki Hara
Naoki Inoue
Assignee (at issue)
Akashic Memories Corp.
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.