Shigeru Hoshina

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic head and magnetic disk apparatus using the same
- Patent number 6,414,818
- Issue date Jul 2, 2002
- Kabushiki Kaisha Toshiba
- Kazushi Tanimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Objective lens and optical disk driving apparatus using the same
- Patent number 6,081,496
- Issue date Jun 27, 2000
- Kabushiki Kaisha Toshiba
- Yasuo Otsubo
- G11 - INFORMATION STORAGE
Information Patent Grant
Surface Characteristics of a Magnetic disk and a magnetic disk appa...
- Patent number 6,038,113
- Issue date Mar 14, 2000
- Kabushiki Kaisha Toshiba
- Kazushi Tanimoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage apparatus and disk fixing method for preventing the de...
- Patent number 5,490,022
- Issue date Feb 6, 1996
- Kabushiki Kaisha Toshiba
- Shigeru Hoshina
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk memory system
- Patent number 5,486,967
- Issue date Jan 23, 1996
- Kabushiki Kaisha Toshiba
- Yoichiro Tanaka
- B82 - NANO-TECHNOLOGY