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Wataru Kuramochi
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Kawagoe, JP
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Patents Grants
last 30 patents
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Patent Grant
Method for recording data onto optical data recording cards includi...
Patent number
5,051,569
Issue date
Sep 24, 1991
Dai Nippon Insatsu Kabushiki Kaisha
Yoshiaki Tsuruoka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Process for preparing optical recording material
Patent number
5,041,356
Issue date
Aug 20, 1991
Dai Nippon Insatsu Kabushiki Kaisha
Mitsuru Takeda
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Data recording and reproducing apparatus for an optical card
Patent number
5,008,552
Issue date
Apr 16, 1991
Dai Nippon Insatsu Kabushiki Kaisha
Wataru Kuramochi
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for recording data onto optical data recording cards using p...
Patent number
4,970,712
Issue date
Nov 13, 1990
Dai Nippon Insatsu Kabushiki Kaisha
Yoshiaki Tsuruoka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical recording cards with non-recording reflective layer
Patent number
4,816,362
Issue date
Mar 28, 1989
Dai Nippon Insatsu Kabushiki Kaisha
Mitsuru Takeda
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Optical cards and processes for preparing the same
Patent number
4,754,128
Issue date
Jun 28, 1988
Dai Nippon Insatsu Kabushiki Kaisha
Mitsuru Takeda
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Optical recording card with optical recording layers
Patent number
4,673,626
Issue date
Jun 16, 1987
Dai Nippon Insatsu Kabushiki Kaisha
Mitsuru Takeda
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER