Masao Nakazato

Person

Katsuta, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Passenger conveyor and treadboard construction for passenger conveyor
- Patent number 5,295,568
- Issue date Mar 22, 1994
- Hitachi, Ltd.
- Chuichi Saito
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator control apparatus
- Patent number 5,025,896
- Issue date Jun 25, 1991
- Hitachi, Ltd.
- Noboru Arabori
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator apparatus
- Patent number 4,982,815
- Issue date Jan 8, 1991
- Hitachi, Ltd.
- Noboru Arabori
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Current source power converting apparatus with overvoltage protection
- Patent number 4,884,182
- Issue date Nov 28, 1989
- Hitachi, Ltd.
- Takeki Ando
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus for controlling AC elevators
- Patent number 4,779,709
- Issue date Oct 25, 1988
- Hitachi, Ltd.
- Nobuo Mitsui
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Elevator control system
- Patent number 4,367,811
- Issue date Jan 11, 1983
- Hitachi, Ltd.
- Kenji Yoneda
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator control system
- Patent number 4,350,225
- Issue date Sep 21, 1982
- Hitachi, Ltd.
- Kazuhiro Sakata
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator test operation apparatus
- Patent number 4,330,838
- Issue date May 18, 1982
- Hitachi, Ltd.
- Kenji Yoneda
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator system
- Patent number 4,266,632
- Issue date May 12, 1981
- Hitachi, Ltd.
- Kanji Yoneda
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator control system
- Patent number 4,166,518
- Issue date Sep 4, 1979
- Hitachi, Ltd.
- Masao Nakazato
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator control system
- Patent number 4,149,613
- Issue date Apr 17, 1979
- Hitachi, Ltd.
- Kenji Yoneda
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Elevator control apparatus having a novel hall call allotting device
- Patent number 4,113,066
- Issue date Sep 12, 1978
- Hitachi, Ltd.
- Kenji Yoneda
- B66 - HOISTING LIFTING HAULING

Masao Nakazato

Person

Patents Grantslast 30 patents

Passenger conveyor and treadboard construction for passenger conveyor

Elevator control apparatus

Elevator apparatus

Current source power converting apparatus with overvoltage protection

Apparatus for controlling AC elevators

Elevator control system

Elevator control system

Elevator test operation apparatus

Elevator system

Elevator control system

Elevator control system

Elevator control apparatus having a novel hall call allotting device