Yoshinori Ohkura

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Mito, JP

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Patents Grantslast 30 patents

Information Patent Grant
Elevator system utilizing wireless transmission units to exchange c...
- Patent number 7,134,530
- Issue date Nov 14, 2006
- Hitachi, Ltd.
- Nobuhisa Motoyama
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator system having terminals with wireless transmitting/receivi...
- Patent number 6,976,561
- Issue date Dec 20, 2005
- Hitachi, Ltd.
- Nobuhisa Motoyama
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator system with wireless elevator control transmit/receive unit
- Patent number 6,598,710
- Issue date Jul 29, 2003
- Hitachi, Ltd.
- Nobuhisa Motoyama
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator system having wireless transmitting/receiving units
- Patent number 6,446,761
- Issue date Sep 10, 2002
- Hitachi, Ltd.
- Nobuhisa Motoyama
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Elevator system
- Publication number 20060086573
- Publication date Apr 27, 2006
- Nobuhisa Motoyama
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Elevator system
- Publication number 20040007430
- Publication date Jan 15, 2004
- Nobuhisa Motoyama
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Elevator system
- Publication number 20020189907
- Publication date Dec 19, 2002
- Nobuhisa Motoyama
- B66 - HOISTING LIFTING HAULING