YT

Yuzo Tada

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #3,650,219 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5907136 Adjustable double-deck elevator Masaharu Hongo, Shusaku Shibasaki, Masashi Kawarasaki, Mitsuo Soekawa, Seiichi Hayashida 1999-05-25