Shinichi Takahara

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Audible traffic signal for visually impaired persons using multiple...
- Patent number 6,127,943
- Issue date Oct 3, 2000
- Koito Industries, Ltd.
- Masaki Tauchi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE