HY

Hirofumi Yuda

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #3,620,322 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6085874 Rail-climbing elevator counterweight having flat machines Yasunobu Uchino, Kenji Nakagawa, Masaharu Ueda, Yasuhisa Shioda, Takayuki Nagashima 2000-07-11