Toshio Hirano

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Disk detecting apparatus
- Patent number 4,797,869
- Issue date Jan 10, 1989
- Pioneer Electronic Corporation
- Toshio Hirano
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual-sized disk player
- Patent number 4,796,251
- Issue date Jan 3, 1989
- Pioneer Electronic Corporation
- Toshio Hirano
- G11 - INFORMATION STORAGE
Information Patent Grant
Loading mechanism for disk player
- Patent number 4,759,008
- Issue date Jul 19, 1988
- Pioneer Electronic Corporation
- Toshio Hirano
- G11 - INFORMATION STORAGE
Information Patent Grant
Sound field enlarging device and method
- Patent number 4,642,812
- Issue date Feb 10, 1987
- Pioneer Electronic Corp.
- Junichi Yoshio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital audio system with automatic fade in and fade out operations
- Patent number 4,616,271
- Issue date Oct 7, 1986
- Pioneer Electronic Corporation
- Kenichiro Yasukawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual drive system for phono pickup arm
- Patent number 4,580,257
- Issue date Apr 1, 1986
- Pioneer Electronic Corporation
- Takashi Kikuchi
- G11 - INFORMATION STORAGE