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Ocular lens material
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Patent number 5,703,143
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Issue date Dec 30, 1997
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Menicon Co., Ltd.
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Haruyuki Hiratani
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G02 - OPTICS
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Thermal transfer material
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Patent number 5,658,849
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Issue date Aug 19, 1997
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Shin-Etsu Chemical Co., Ltd.
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Toshio Yamazaki
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Contact lens material
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Patent number 5,605,942
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Issue date Feb 25, 1997
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Menicon Co., Ltd.
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Haruyuki Hiratani
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Ocular lens material
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Patent number 5,556,929
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Issue date Sep 17, 1996
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Menicon Co., Ltd.
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Yasuhiro Yokoyama
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Ocular lens material
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Patent number 5,543,442
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Issue date Aug 6, 1996
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Menicon Co., Ltd.
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Haruyuki Hiratani
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Soft ocular lens material
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Patent number 5,519,070
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Issue date May 21, 1996
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Menicon Co., Ltd.
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Tsuyoshi Watanabe
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Soft ocular lens material
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Patent number 5,416,180
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Issue date May 16, 1995
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Menicon Co., Ltd.
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Yasuhiro Yokoyama
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Ocular lens material
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Patent number 5,416,132
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Issue date May 16, 1995
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Menicon Co., Ltd.
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Yasuhiro Yokoyama
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Ocular lens material
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Patent number 5,346,946
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Issue date Sep 13, 1994
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Menicon Co., Ltd.
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Yasuhiro Yokoyama
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Organic silicon compounds
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Patent number 5,342,983
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Issue date Aug 30, 1994
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Shin-Etsu Chemical Co., Ltd.
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Toshio Yamazaki
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C07 - ORGANIC CHEMISTRY
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Ocular lens material
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Patent number 5,250,583
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Issue date Oct 5, 1993
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Menicon Co., Ltd.
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Toru Kawaguchi
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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