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Contact structure of lead
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Patent number 6,398,561
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Issue date Jun 4, 2002
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Soshotech Co., Ltd.
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Toshio Okuno
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G01 - MEASURING TESTING
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Probe unit
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Patent number 6,211,691
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Issue date Apr 3, 2001
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Soshotech Co., Ltd.
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Toshio Okuno
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Contact probe
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Patent number 6,181,150
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Issue date Jan 30, 2001
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Soshotech Co., Ltd.
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Toshio Okuno
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G01 - MEASURING TESTING
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