SY

Shigeki Yamakawa

Mitsubishi Electric: 11 patents #2,558 of 25,717Top 10%
Overall (All Time): #425,548 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
7419032 Elevator monitoring terminal and elevator monitoring apparatus with multiple display screens displaying operational data, in-car image data and communication request data 2008-09-02
6896105 Elevator system including control panel within hoistway 2005-05-24
6860161 Weight detector for elevator Kazuhiro Horizaki 2005-03-01
6631788 Elevator system with safety installation Masahiro Shikai, Hajime Nakajima, Toshiro Nakashima, Kazuo Takashima, Tatsushi Takahashi +4 more 2003-10-14
6488126 Elevator control device Satoshi Suzuki 2002-12-03
6405834 Elevator maintenance/operation apparatus Akihiro Chida, Junichiro Ishikawa, Hiroshi Ando, Kunio Katou 2002-06-18
6357015 Data interface and high-speed communication system using the same Hiroshi Gokan, Akio Ohtsuji 2002-03-12
6321877 Controlling apparatus for elevator with divided control panel 2001-11-27
6311801 Brake control apparatus with auxiliary power source means Hiroyuki Takagi 2001-11-06
6230846 Elevator apparatus with control panel located within elevator hoistway Yasuhiro Namba 2001-05-15
6230845 Moveable control panel for elevators Hiroyuki Takagi, Junichiro Ishikawa, Seiji Okuda, Tatsushi Takahashi, Tomohiko Yao 2001-05-15
6223860 Control device for elevator Yasuhiro Namba, Tatsushi Takahashi, Takehiko Kubota 2001-05-01