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Shohichi Katoh
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Yamatokoriyama, JP
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Patents Grants
last 30 patents
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Patent Grant
Photodetector with a multilayer filter and method of producing the...
Patent number
5,644,124
Issue date
Jul 1, 1997
Sharp Kabushiki Kaisha
Toshimasa Hamada
G02 - OPTICS
Information
Patent Grant
Optical memory element and manufacturing method thereof
Patent number
5,470,694
Issue date
Nov 28, 1995
Sharp Kabushiki Kaisha
Kenji Ohta
G11 - INFORMATION STORAGE
Information
Patent Grant
Tracking system for optical disc memory using tracking error signal...
Patent number
5,412,630
Issue date
May 2, 1995
Sharp Kabushiki Kaisha
Toshihisa Deguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical memory element and manufacturing method thereof
Patent number
4,925,776
Issue date
May 15, 1990
Sharp Kabushiki Kaisha
Kenji Ohta
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical disc tracking system with switching of tracking error signa...
Patent number
4,787,076
Issue date
Nov 22, 1988
Sharp Kabushiki Kaisha
Toshihisa Deguchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Image readout element
Patent number
4,650,985
Issue date
Mar 17, 1987
Sharp Kabushiki Kaisha
Katsushi Okibayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Large scale contact type image reading unit using two-dimensional s...
Patent number
4,644,406
Issue date
Feb 17, 1987
Sharp Kabushiki Kaisha
Satoshi Nishigaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Two-dimensional image read-out device
Patent number
4,641,359
Issue date
Feb 3, 1987
Sharp Kabushiki Kaisha
Katsushi Okibayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Two-dimensional image read-out sensor device
Patent number
4,597,012
Issue date
Jun 24, 1986
Sharp Kabushiki Kaisha
Masataka Itoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Two-dimensional image reader
Patent number
4,559,564
Issue date
Dec 17, 1985
Sharp Kabushiki Kaisha
Masataka Itoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Two-dimensional image readout device
Patent number
4,541,015
Issue date
Sep 10, 1985
Sharp Kabushiki Kaisha
Masataka Itoh
H01 - BASIC ELECTRIC ELEMENTS