IP Library › Granted Patent US 5,196,231
Granted Patent Utility
US 5,196,231 · App. 07/848,595

Optical recording media

Inventors: Sumio Hirose, Shigeru Takahara, Tadashi Koike, Shin Aihara, Keiji Ueno
Patented Case View Patent ↗
Granted: Mar 23, 1993 Filed: Mar 9, 1992
Inventors
Sumio Hirose
Shigeru Takahara
Tadashi Koike
Shin Aihara
Keiji Ueno
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated

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Quick Facts
Patent No.
US 5,196,231
App. No.
07/848,595
Filed
1992-03-09
Granted
1993-03-23
Kind
A