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Particle detection device
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Patent number 9,057,703
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Issue date Jun 16, 2015
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Sharp Kabushiki Kaisha
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Akihiro Suzuki
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G01 - MEASURING TESTING
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Objective lens actuator
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Patent number 6,683,831
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Issue date Jan 27, 2004
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Sharp Kabushiki Kaisha
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Toshiyuki Tanaka
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G11 - INFORMATION STORAGE
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Magnetic head
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Patent number 6,526,001
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Issue date Feb 25, 2003
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Sharp Kabushiki Kaisha
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Tomoyuki Miyake
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G11 - INFORMATION STORAGE
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Multi-beam optical head
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Patent number 5,880,765
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Issue date Mar 9, 1999
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Sharp Kabushiki Kaisha
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Kazuhiko Ueda
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G11 - INFORMATION STORAGE