TREA

Masao Kawashima

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  • Otake, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light transmitting filament
    • Patent number 3,993,834
    • Issue date Nov 23, 1976
    • Mitsubishi Rayon Co., Ltd.
    • Kazuya Chimura
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Unitary spun composite filament
    • Patent number 3,940,543
    • Issue date Feb 24, 1976
    • Mitsubishi Rayon Co., Ltd.
    • Kazuya Chimura
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING