Hiroshige Hirajima

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Tenri, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical pickup
- Patent number 7,106,682
- Issue date Sep 12, 2006
- Sharp Kabushiki Kaisha
- Tetsuo Ueyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup
- Patent number 6,868,055
- Issue date Mar 15, 2005
- Sharp Kabushiki Kaisha
- Tetsuo Ueyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Interpolating gain amplifier for information reproducing apparatus
- Patent number 5,694,386
- Issue date Dec 2, 1997
- Sharp Kabushiki Kaisha
- Hiroshige Hirajima
- G11 - INFORMATION STORAGE
Information Patent Grant
Readback circuit for an optical information reading and recording a...
- Patent number 5,675,569
- Issue date Oct 7, 1997
- Sharp Kabushiki Kaisha
- Takeshi Yamaguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Analog-to-digital conversion circuit for use in information reprodu...
- Patent number 5,673,046
- Issue date Sep 30, 1997
- Sharp Kabushiki Kaisha
- Hiroshige Hirajima
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical reproducing circuit having, a binarized signal pulse compen...
- Patent number 5,548,570
- Issue date Aug 20, 1996
- Sharp Kabushiki Kaisha
- Hiroshige Hirajima
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical pickup
- Publication number 20050141391
- Publication date Jun 30, 2005
- Tetsuo Ueyama
- G11 - INFORMATION STORAGE
Information Patent Application
Optical pickup
- Publication number 20020024916
- Publication date Feb 28, 2002
- Tetsuo Ueyama
- G11 - INFORMATION STORAGE