YK

Yasunori Katayama

HI Hitachi: 1 patents #311 of 1,214Top 30%
Overall (1982): #22,547 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4350225 Elevator control system Kazuhiro Sakata, Takeo Yuminaka, Masao Nakazato, Kenji Yoneda, Soshiro Kuzunuki 1982-09-21