Akira Ohba

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Reproduction apparatus, recording and reproduction system, reproduc...
- Patent number 6,298,022
- Issue date Oct 2, 2001
- Sony Corporation
- Junichi Aramaki
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for determining the revision history of printed c...
- Patent number 5,239,485
- Issue date Aug 24, 1993
- Kabushiki Kaisha Toshiba
- Akira Ohba
- G06 - COMPUTING CALCULATING COUNTING