Koreto Marui

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Self-locking nut for eye glasses having an unthreaded hole with ver...
- Patent number 5,627,610
- Issue date May 6, 1997
- Nitto Seiko Co., Ltd.
- Koreto Marui
- G02 - OPTICS
Information Patent Grant
Self-locking nut with threaded and self-locking members, useful for...
- Patent number 5,508,758
- Issue date Apr 16, 1996
- Nitto Seiko Co., Ltd.
- Koreto Marui
- G02 - OPTICS