HT

Hirotomo Tanaka

OE Otis Elevator: 2 patents #52 of 278Top 20%
📍 Kashiwa, JP: #18 of 94 inventorsTop 20%
Overall (2020): #167,703 of 565,922Top 30%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10730721 Rope cleaning device Mitsuru Kato 2020-08-04
10684120 Wire rope measuring device and wire rope measuring method Yoshiki Nota, Yusuke Watabe, Mitsuru Kato, Ryuji Onoda, Takashi Takeuchi 2020-06-16