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Keiji Kawai

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  • Toyokawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Container for photoresist liquid
    • Patent number 6,817,485
    • Issue date Nov 16, 2004
    • Aicello Chemical Co., Ltd.
    • Keiji Kawai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Container for photoresist liquid
    • Patent number 6,582,787
    • Issue date Jun 24, 2003
    • Aicello Chemical Co., Ltd.
    • Keiji Kawai
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Container for high purity liquid chemicals
    • Patent number 6,237,809
    • Issue date May 29, 2001
    • Aicello Chemical Co., Ltd.
    • Keiji Kawai
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...

Patents Applicationslast 30 patents

  • Information Patent Application

    Container for photoresist liquid
    • Publication number 20030189061
    • Publication date Oct 9, 2003
    • Aicello Chemical Co., Ltd.
    • Keiji Kawai
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL