YU

Yasukazu Umeda

Mitsubishi Electric: 15 patents #1,633 of 25,717Top 7%
Overall (All Time): #328,812 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
5285028 Group control method and apparatus for elevators for assignment of coincident calls Shintaro Tsuji, Minoru Nakata, Koji Takeshima, Hidenobu Nakashima 1994-02-08
4802557 Wait time prediction apparatus for elevator Shintaro Tsuji 1989-02-07
4724933 Display apparatus for elevator Shintaro Tsuji 1988-02-16
4685539 Operating system for elevator Shintaro Tsuji 1987-08-11
4682673 Elevator control apparatus Shintaro Tsuji 1987-07-28
4662479 Operating apparatus for elevator Shintaro Tsuji 1987-05-05
4663723 Demand estimation apparatus 1987-05-05
4567558 Elevator traffic demand analyzing system Katsunori Takabe 1986-01-28
4562530 Elevator traffic demand analyzing system Kenichi Uetani 1985-12-31
4555000 Apparatus for operating an elevator 1985-11-26
4531616 Elevator control system Kenichi Uetani 1985-07-30
4509143 Computer control system for selecting a desired control program from a plurality of control programs Shinobu Tajima, Toshiyuki Kamohara 1985-04-02
4483418 Elevator control system Shinobu Tajima, Toshiyuki Kamohara 1984-11-20
4410959 Computer control system for selecting a desired control program from a plurality of control programs Shinobu Tajima, Toshiyuki Kamohara 1983-10-18
4244450 Group supervisory system of elevator cars Toshiyuki Kamohara, Seiichi Goto, Shintaro Tsuji, Yoshio Miyanishi 1981-01-13