Toru Yamaguchi

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Higashi Hiroshima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Elevator group supervisory control system with route preparation se...
- Patent number 7,740,111
- Issue date Jun 22, 2010
- Hitachi, Ltd.
- Toshifumi Yoshikawa
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator group supervisory control system using target route prepar...
- Patent number 7,730,999
- Issue date Jun 8, 2010
- Hitachi, Ltd.
- Toshifumi Yoshikawa
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator group supervisory control system
- Patent number 7,426,982
- Issue date Sep 23, 2008
- Hitachi, Ltd.
- Toshifumi Yoshikawa
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Elevator Group Supervisory Control System
- Publication number 20090283368
- Publication date Nov 19, 2009
- Hitachi, Ltd
- Toshifumi YOSHIKAWA
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Elevator Group Supervisory Control System
- Publication number 20080289911
- Publication date Nov 27, 2008
- HITACHI, LTD.
- Toshifumi YOSHIKAWA
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Elevator group supervisory control system
- Publication number 20060213728
- Publication date Sep 28, 2006
- Hitachi Ltd.
- Toshifumi Yoshikawa
- B66 - HOISTING LIFTING HAULING