YT

Yoshio Tsukahara

OE Otis Elevator: 1 patents #8 of 43Top 20%
Overall (2005): #69,881 of 245,428Top 30%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6978876 Step for escalator Kazuhiko Motomura, Takashi Tanaka, Koichi Maeda 2005-12-27