YT

Yohsinobu Tsukamoto

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
📍 Shibayama, JP: #6 of 11 inventorsTop 55%
Overall (All Time): #3,471,099 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6696926 Audible floor call recording method and braille information notification device Toshirou Takahashi, Joji Tanigawa 2004-02-24