Akira Shibata

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Nara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photo-mask
- Patent number 5,403,683
- Issue date Apr 4, 1995
- Sharp Kabushiki Kaisha
- Kenji Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photo-mask with light shielding film buried in substrate
- Patent number 5,260,150
- Issue date Nov 9, 1993
- Sharp Kabushiki Kaisha
- Kenji Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical disk with glass substrate and method of producing same
- Patent number 5,128,922
- Issue date Jul 7, 1992
- Sharp Kabushiki Kaisha
- Tetsuya Inui
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of and photomask for manufacturing optical memory element
- Patent number 5,112,727
- Issue date May 12, 1992
- Sharp Kabushiki Kaisha
- Tetsuya Inui
- G11 - INFORMATION STORAGE
Information Patent Grant
Photo-mask
- Patent number 5,079,113
- Issue date Jan 7, 1992
- Sharp Kabushiki Kaisha
- Kenji Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of and photomask for manufacturing optical memory element
- Patent number 4,946,730
- Issue date Aug 7, 1990
- Sharp Kabushiki Kaisha
- Tetsuya Inui
- G11 - INFORMATION STORAGE
Information Patent Grant
Solar cell with metal paste contact
- Patent number 4,737,197
- Issue date Apr 12, 1988
- Sharp Kabushiki Kaisha
- Yoshiyuki Nagahara
- H01 - BASIC ELECTRIC ELEMENTS