TREA

Shiraishi; Kazuo

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  • Miyagi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polarization-independent optical isolator
    • Patent number 5,848,203
    • Issue date Dec 8, 1998
    • Sumitomo Osaka Cement Co., Ltd.
    • Shojiro Kawakami
    • G02 - OPTICS
  • Information Patent Grant

    Optical isolator
    • Patent number 5,267,078
    • Issue date Nov 30, 1993
    • Shiraishi; Kazuo
    • Kazuo Shiraishi
    • G02 - OPTICS

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