Joji Tanigawa

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Chiba Pref, JP

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Patents Grantslast 30 patents

Information Patent Grant
Audible floor call recording method and braille information notific...
- Patent number 6,696,926
- Issue date Feb 24, 2004
- Otis Elevator Company
- Yohsinobu Tsukamoto
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Man-conveyor step
- Patent number 6,213,278
- Issue date Apr 10, 2001
- Otis Elevator Company
- Joji Tanigawa
- B66 - HOISTING LIFTING HAULING