Optical disk

United States of America Patent

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Feb 6, 1996
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N/A
app pub date
Jul 18, 1991
filing date
Jul 20, 1990

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Abstract

An optical disk including a transparent plastic substrate, a recording film formed on an one side surface of said substrate, a first protective film covering said recording film, and a moisture-impermeable film formed on the other side surface of said substrate via or not via an intermediate film.

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Patent Owner(s)

Patent Owner	Address
SHARP KABUSHIKI KAISHA A CORP OF JAPAN	22-22 NAGAIKE-CHO ABENO-KU OSAKA

International Classification(s)

G11B:INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BET....

[Classification Symbol]

[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Futagawa, Masayasu	Nara, JP	8	71
Ikenaga, Hiroyuki	Nara, JP	3	23
Inui, Tetsuya	Nara, JP	79	2191
Mieda, Michinobu	Shiki, JP	75	715
Murakami, Yoshiteru	Nishinomiya, JP	112	913
Nagaura, Toshikazu	Nara, JP	9	130
Ohta, Kenji	Kitakatsuragi, JP	253	3779
Takahashi, Akira	Nara, JP	738	9972
Yamagami, Shinji	Tenri, JP	12	92

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Optical disk

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United States of America Patent

07731790

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PATENT NO	5490131
SERIAL NO	07731790
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07731790

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