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Masayoshi Handa

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR PRODUCING WATER-ABSORBENT RESIN PARTICLES
    • Publication number 20150158015
    • Publication date Jun 11, 2015
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Kenji Tanimura
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    METHOD FOR PRODUCING WATER ABSORBENT RESIN PARTICLES
    • Publication number 20140243478
    • Publication date Aug 28, 2014
    • Atsushi Heguri
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METHOD FOR PRODUCING WATER-ABSORBENT RESIN, AND WATER-ABSORBENT RES...
    • Publication number 20140194574
    • Publication date Jul 10, 2014
    • Sumitomo Seika Chemicals Co., Ltd.
    • Masayoshi Handa
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    WATER ABSORBING RESIN PARTICLES, METHOD FOR MANUFACTURING WATER ABS...
    • Publication number 20140127510
    • Publication date May 8, 2014
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Masayoshi Handa
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    METHOD FOR PRODUCING WATER-ABSORBENT RESIN
    • Publication number 20130274088
    • Publication date Oct 17, 2013
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Masayoshi Handa
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    METHOD FOR PRODUCING WATER-ABSORBENT RESIN
    • Publication number 20130217846
    • Publication date Aug 22, 2013
    • Sumitomo Seika Chemicals Co., Ltd.
    • Junichi Takatori
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    WATER ABSORBENT RESIN AND METHOD FOR PRODUCING SAME
    • Publication number 20130158495
    • Publication date Jun 20, 2013
    • Sumitomo Seika Chemicals Co., Ltd.
    • Masayoshi Handa
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    WATER-ABSORBING RESIN
    • Publication number 20130130017
    • Publication date May 23, 2013
    • Sumitomo Seika Chemicals Co., Ltd.
    • Junichi Takatori
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    WATER-ABSORBENT SHEET STRUCTURE
    • Publication number 20120328862
    • Publication date Dec 27, 2012
    • Sumitomo Seika Chemicals Co., LTD
    • Shinya Fukudome
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    WATER-ABSORBENT SHEET STRUCTURE
    • Publication number 20120328861
    • Publication date Dec 27, 2012
    • SUMITOMO SEIKA CHEMICALS, CO., LTD.
    • Tetsuhiro Hinayama
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    WATER-ABSORBENT SHEET STRUCTURE
    • Publication number 20120308799
    • Publication date Dec 6, 2012
    • Sumitomo Seika Chemicals Co., LTD
    • Kiyoshi Yamaguchi
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    PROCESS FOR PRODUCTION OF WATER-ABSORBING RESIN PARTICLES, WATER-AB...
    • Publication number 20120295103
    • Publication date Nov 22, 2012
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Sachi Kikuno
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    WATER-ABSORBENT SHEET STRUCTURE
    • Publication number 20120288701
    • Publication date Nov 15, 2012
    • Sumitomo Seika Chemicals Co., LTD
    • Hideki Matsushita
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    WATER-ABSORBENT SHEET
    • Publication number 20120203191
    • Publication date Aug 9, 2012
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Junichi Maruo
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    WATER ABSORBENT SHEET
    • Publication number 20120089108
    • Publication date Apr 12, 2012
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Koji Ueda
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    WATER-ABSORBENT SHEET COMPOSITION
    • Publication number 20110276019
    • Publication date Nov 10, 2011
    • SUMITOMO SEIKA CHEMICALS CO.. LTD.
    • Hidenobu Kakimoto
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    WATER-ABSORBENT SHEET COMPOSITION
    • Publication number 20110270204
    • Publication date Nov 3, 2011
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Shinya Fukudome
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    WATER-ABSORBENT SHEET COMPOSITION
    • Publication number 20110151228
    • Publication date Jun 23, 2011
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Junichi Takatori
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    WATER-ABSORBENT SHEET COMPOSITION
    • Publication number 20110111199
    • Publication date May 12, 2011
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Junichi Takatori
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    WATER-ABSORBING RESIN COMPOUND
    • Publication number 20110068300
    • Publication date Mar 24, 2011
    • Sumitomo Seika Chemicals Co., LTD
    • Takayasu Taniguchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    PROCESS FOR THE PRODUCTION OF WATER-ABSORBING RESINS AND WATER-ABSO...
    • Publication number 20100256308
    • Publication date Oct 7, 2010
    • Sumitomo Seika Chemicals Co., LTD
    • Junichi Takatori
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METHOD FOR PRODUCTION OF WATER-ABSORBABLE RESIN, AND WATER-ABSORBAB...
    • Publication number 20100197491
    • Publication date Aug 5, 2010
    • Sumitomo Seika Chemicals Co., LTD
    • Junichi Takatori
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    PROCESS FOR PRODUCTION OF WATER-ABSORBABLE RESIN
    • Publication number 20090326162
    • Publication date Dec 31, 2009
    • Sumitomo Seika Chemicals Co., LTD
    • Hiromu Kobushi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    PROCESS FOR PRODUCTION OF WATER-ABSORBABLE RESIN PARTICLE, AND WATE...
    • Publication number 20090281247
    • Publication date Nov 12, 2009
    • Sumitomo Seika Chemicals Co., Ltd.
    • Masayoshi Handa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Process for Producing Water-Absorbing Resin Particles, Water-Absorb...
    • Publication number 20080280154
    • Publication date Nov 13, 2008
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Hiromu Kobushi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Water Absorbing Resin Particle And, Making Use Of The Same, Absorbe...
    • Publication number 20080119808
    • Publication date May 22, 2008
    • Masayoshi Handa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Water-absorbing resin composition
    • Publication number 20070239124
    • Publication date Oct 11, 2007
    • Masayoshi Handa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Water-absorbing resin composition
    • Publication number 20070111004
    • Publication date May 17, 2007
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Masayoshi Handa
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Water-absorbing resin composition
    • Publication number 20060189953
    • Publication date Aug 24, 2006
    • SUMITOMO SEIKA CHEMICALS CO., LTD.
    • Takayasu Taniguchi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Water-absorbing resin composition
    • Publication number 20060074160
    • Publication date Apr 6, 2006
    • Masayoshi Handa
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...