Toyo denki Seizo Kabushiki Kaisha

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pedestal for chassis dynamometer
- Patent number 11,313,766
- Issue date Apr 26, 2022
- Toyo Denki Seizo Kabushiki Kaisha
- Hodaka Seto
- G01 - MEASURING TESTING
Information Patent Grant
Load motor for chassis dynamometer apparatus
- Patent number 11,215,533
- Issue date Jan 4, 2022
- Toyo Denki Seizo Kabushiki Kaisha
- Yoshihiro Okamoto
- G01 - MEASURING TESTING
Information Patent Grant
Railway vehicle gear device of parallel cardan drive system
- Patent number 10,036,464
- Issue date Jul 31, 2018
- Toyo Denki Seizo Kabushiki Kaisha
- Kenichi Goto
- B61 - RAILWAYS
Information Patent Grant
Rotor of induction starting synchronous motor
- Patent number 6,891,300
- Issue date May 10, 2005
- Toyo Denki Seizo Kabushiki Kaisha
- Yukihiro Noda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Reverse conducting thyristor with a planar-gate, buried-gate, or re...
- Patent number 5,682,044
- Issue date Oct 28, 1997
- Tamamushi; Takashige
- Takashige Tamamushi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Insulated gate static induction thyristor with a split gate type sh...
- Patent number 5,665,987
- Issue date Sep 9, 1997
- Toyo Denki Seizo Kabushiki Kaisha
- Kimihiro Muraoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Static induction semiconductor device with a static induction schot...
- Patent number 5,545,905
- Issue date Aug 13, 1996
- Toyo Denki Seizo Kabushiki Kaisha
- Kimihiro Muraoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Insulated gate static induction thyristor with a split gate type sh...
- Patent number 5,461,242
- Issue date Oct 24, 1995
- Toyo Denki Seizo Kabushiki Kaisha
- Kimihiro Muraoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Static induction semiconductor device with a distributed main elect...
- Patent number 5,418,376
- Issue date May 23, 1995
- Toyo Denki Seizo Kabushiki Kaisha
- Kimihiro Muraoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
MOS-controlled thyristor
- Patent number 5,324,966
- Issue date Jun 28, 1994
- Toyo Denki Seizo Kabushiki Kaisha
- Kimihiro Muraoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Driver circuit for a large capacity switching element
- Patent number 5,077,487
- Issue date Dec 31, 1991
- Toyo Denki Seizo Kabushiki Kaisha
- Katsuji Iida
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Step-up and step-down chopper device
- Patent number 5,059,887
- Issue date Oct 22, 1991
- Toyo Denki Seizo Kabushiki Kaisha
- Katsuji Iida
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Static induction thyristor
- Patent number 4,984,049
- Issue date Jan 8, 1991
- Zaidan Hozin Handotai Kenkyu Shinkokai
- Jun-ichi Nishizawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Offset detecting device for trolley-assisted vehicles
- Patent number 4,745,997
- Issue date May 24, 1988
- Toyo Denki Seizo Kabushiki Kaisha
- Hidetoshi Takei
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Static induction thyristor with stepped-doping gate region
- Patent number 4,654,679
- Issue date Mar 31, 1987
- Toyo Denki Seizo Kabushiki Kaisha
- Kimihiro Muraoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for the formation of buried gates of a semiconductor device...
- Patent number 4,528,745
- Issue date Jul 16, 1985
- Toyo Denki Seizo Kabushiki Kaisha
- Kimihiro Muraoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
DC-DC Converter provided with an AC link
- Patent number 4,462,070
- Issue date Jul 24, 1984
- Toyo Denki Seizo Kabushiki Kaisha
- Katsuji Iida
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
PWM Inverter device
- Patent number 4,367,521
- Issue date Jan 4, 1983
- Toyo Denki Seizo Kabushiki Kaisha
- Masakazu Kohata
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
PWM Inverter device
- Patent number 4,366,533
- Issue date Dec 28, 1982
- Toyo Denki Seizo Kabushiki Kaisha
- Masakazu Kohata
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Quadruple frequency converter
- Patent number 4,160,925
- Issue date Jul 10, 1979
- Toyo Denki Seizo Kabushiki Kaisha
- Fujio Ishikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Treble frequency converter
- Patent number 4,155,114
- Issue date May 15, 1979
- Toyo Denki Seizo Kabushiki Kaisha
- Zenkichi Tsuchiya
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Chassis Dynamometer Apparatus
- Publication number 20210215573
- Publication date Jul 15, 2021
- TOYO DENKI SEIZO KABISHIKI KAISHA
- Hodaka Seto
- G01 - MEASURING TESTING
Information Patent Application
Load Motor for Chassis Dynamometer Apparatus
- Publication number 20210048372
- Publication date Feb 18, 2021
- Toyo denki Seizo Kabushiki Kaisha
- Yoshihiro Okamoto
- G01 - MEASURING TESTING
Information Patent Application
RAILWAY VEHICLE GEAR DEVICE OF PARALLEL CARDAN DRIVE SYSTEM
- Publication number 20160178046
- Publication date Jun 23, 2016
- Toyo denki Seizo Kabushiki Kaisha
- Kenichi Goto
- B61 - RAILWAYS
Information Patent Application
Rotor of induction starting synchronous motor
- Publication number 20040046472
- Publication date Mar 11, 2004
- Toyo denki Seizo Kabushiki Kaisha
- Yukihiro Noda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Toyo denki Seizo Kabushiki Kaisha

Organization

Patents Grantslast 30 patents

Pedestal for chassis dynamometer

Load motor for chassis dynamometer apparatus

Railway vehicle gear device of parallel cardan drive system

Rotor of induction starting synchronous motor

Reverse conducting thyristor with a planar-gate, buried-gate, or re...

Insulated gate static induction thyristor with a split gate type sh...

Static induction semiconductor device with a static induction schot...

Insulated gate static induction thyristor with a split gate type sh...

Static induction semiconductor device with a distributed main elect...

MOS-controlled thyristor

Driver circuit for a large capacity switching element

Step-up and step-down chopper device

Static induction thyristor

Offset detecting device for trolley-assisted vehicles

Static induction thyristor with stepped-doping gate region

Method for the formation of buried gates of a semiconductor device...

DC-DC Converter provided with an AC link

PWM Inverter device

PWM Inverter device

Quadruple frequency converter

Treble frequency converter

Patents Applicationslast 30 patents

Chassis Dynamometer Apparatus

Load Motor for Chassis Dynamometer Apparatus

RAILWAY VEHICLE GEAR DEVICE OF PARALLEL CARDAN DRIVE SYSTEM

Rotor of induction starting synchronous motor

Trademarklast 30 trademarks