TREA

Ryoji Hamaguchi

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  • Osaka-shi, Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Yarn and gland packing
    • Patent number 11,982,355
    • Issue date May 14, 2024
    • Nippon Pillar Packing Co., Ltd.
    • Masaru Fujiwara
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Grant

    Sealing material composition and gland packing containing the seali...
    • Patent number 10,533,268
    • Issue date Jan 14, 2020
    • Nippon Pillar Packing Co., Ltd.
    • Kazuyoshi Sato
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Grant

    Method for producing yarn
    • Patent number 10,316,442
    • Issue date Jun 11, 2019
    • Nippon Pillar Packing Co., Ltd.
    • Ryoji Hamaguchi
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    Yarn and gland packing
    • Patent number 10,100,444
    • Issue date Oct 16, 2018
    • Nippon Pillar Packing Co., Ltd.
    • Ryoji Hamaguchi
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING

Patents Applicationslast 30 patents

  • Information Patent Application

    YARN AND GLAND PACKING
    • Publication number 20200347936
    • Publication date Nov 5, 2020
    • NIPPON PILLAR PACKING CO., LTD
    • Masaru FUJIWARA
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Application

    SEALING MATERIAL COMPOSITION AND GLAND PACKING CONTAINING THE SEALI...
    • Publication number 20180119316
    • Publication date May 3, 2018
    • NIPPON PILLAR PACKING CO., LTD
    • Kazuyoshi SATO
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Application

    METHOD FOR PRODUCING YARN
    • Publication number 20170321357
    • Publication date Nov 9, 2017
    • NIPPON PILLAR PACKING CO., LTD.
    • Ryoji HAMAGUCHI
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Application

    YARN AND GLAND PACKING
    • Publication number 20170306535
    • Publication date Oct 26, 2017
    • NIPPON PILLAR PACKING CO., LTD.
    • Ryoji Hamaguchi
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...