KM

Katutaro Masuda

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HC Hitachi Elevator Engineering And Service Co.: 1 patents #5 of 27Top 20%
Overall (All Time): #1,660,373 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5090515 Passenger transport installation, vehicle for use therein, and method of operating said installation Tastuhiko Takahashi, Jun Sugahara, Toshihiko Nara, Yuki YAMAMOTO, Yoshinari Atsumi +7 more 1992-02-25
5067593 Braking device for elevator winding machine and elevator using the braking device Masakatsu Tanaka, Masanobu Itoh, Noboru Arabori, Toshihiko Nara, Tastuhiko Takahashi +1 more 1991-11-26
4982815 Elevator apparatus Noboru Arabori, Hideaki Takahashi, Yoshio Sakai, Tsutomu Sano, Masao Nakazato +3 more 1991-01-08