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Fumio Fujita

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for producing semipermeable membrane
    • Patent number 4,548,769
    • Issue date Oct 22, 1985
    • Sumitomo Chemical Company, Limited
    • Takatoshi Shimomura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Process for producing semipermeable membrane
    • Patent number 4,511,711
    • Issue date Apr 16, 1985
    • Sumitomo Chemical Company, Limited
    • Takatoshi Shimomura
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Highly dielectric polysaccharides
    • Patent number 4,438,262
    • Issue date Mar 20, 1984
    • Sumitomo Chemical Company, Limited
    • Ichiki Murase
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Method for purification of cyclopentenolones
    • Patent number 4,376,871
    • Issue date Mar 15, 1983
    • Sumitomo Chemical Co., Limited
    • Fumio Fujita
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Production of hydrogels
    • Patent number 4,367,323
    • Issue date Jan 4, 1983
    • Sumitomo Chemical Company, Limited
    • Shuji Kitamura
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Production of substituted phenylurea
    • Patent number 4,328,166
    • Issue date May 4, 1982
    • Sumitomo Chemical Company, Limited
    • Fumio Fujita
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Method for preparing highly absorbent hydro-gel polymers
    • Patent number 4,320,040
    • Issue date Mar 16, 1982
    • Sumitomo Chemical Company, Limited
    • Fumio Fujita
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Production of substituted phenylurea
    • Patent number 4,263,219
    • Issue date Apr 21, 1981
    • Sumitomo Chemical Company, Limited
    • Fumio Fujita
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Covered electrode for arc welding
    • Patent number 4,205,218
    • Issue date May 27, 1980
    • Sumitomo Chemical Company, Limited
    • Kousuke Fukami
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Asymmetric synthesis of alkyl chrysanthemate
    • Patent number 4,197,408
    • Issue date Apr 8, 1980
    • Sumitomo Chemical Company, Limited
    • Tadatoshi Aratani
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Ionic pullulan gels and production thereof
    • Patent number 4,174,440
    • Issue date Nov 13, 1979
    • Sumitomo Chemical Company, Limited
    • Fumio Fujita
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Pullulan aminoalkyl ether
    • Patent number 4,167,623
    • Issue date Sep 11, 1979
    • Sumitomo Chemical Company, Limited
    • Fumio Fujita
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...