Masaaki Sakurai

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Visual magnetic recording medium and method of making the same
- Patent number 5,006,422
- Issue date Apr 9, 1991
- The Nippon Signal Co., Ltd.
- Masaaki Sakurai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Visible image magnetic card
- Patent number 4,707,593
- Issue date Nov 17, 1987
- Pilot Man-Nen-Hitsu Kabushiki Kaisha
- Yasuzo Murata
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER