Hiromasa Ishii

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Complex magnetic head and manufacturing method of complex magnetic...
- Patent number 6,400,530
- Issue date Jun 4, 2002
- Mitsubishi Denki K.K.
- Hirofumi Ouchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Manufacturing method of complex magnetic head core
- Patent number 6,088,909
- Issue date Jul 18, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Hirofumi Ouchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Complex magnetic head having upper and lower rank core chips and me...
- Patent number 6,034,846
- Issue date Mar 7, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Hirofumi Ouchi
- G11 - INFORMATION STORAGE