Tetsuo Kojima

Person

Chiyoda-ku, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Control method for induction motor
- Patent number 9,065,368
- Issue date Jun 23, 2015
- Hitachi, Ltd.
- Shuichi Tachihara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
DC power supply including resonant circuit for reducing switching l...
- Patent number 8,964,414
- Issue date Feb 24, 2015
- Hitachi, Ltd.
- Tetsuo Kojima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electric power conversion device
- Patent number 8,922,997
- Issue date Dec 30, 2014
- Hitachi, Ltd.
- Takeshi Shinomiya
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
DC power supply including arrangement to reduce switching loss and...
- Patent number 8,787,042
- Issue date Jul 22, 2014
- Hitachi, Ltd.
- Yuichiro Nozaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Optical wavelength conversion element having a cesium-lithium-borat...
- Patent number 7,948,673
- Issue date May 24, 2011
- Osaka University
- Masashi Yoshimura
- G02 - OPTICS
Information Patent Grant
Solid state laser and wavelength conversion laser
- Patent number 7,936,804
- Issue date May 3, 2011
- Mitsubishi Electric Corporation
- Kuniaki Iwashiro
- G02 - OPTICS
Information Patent Grant
Diode laser pumped solid state laser amplifier and diode laser pump...
- Patent number 7,796,670
- Issue date Sep 14, 2010
- Mitsubishi Denki Kabushiki Kaisha
- Shuichi Fujikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser system
- Patent number 7,564,879
- Issue date Jul 21, 2009
- Mitsubishi Electric Corporation
- Eiichi Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solid-state laser system
- Patent number 7,336,690
- Issue date Feb 26, 2008
- Mitsubishi Denki Kabushiki Kaisha
- Junichi Nishimae
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength conversion method, wavelength conversion laser, and lase...
- Patent number 7,286,282
- Issue date Oct 23, 2007
- Mitsubishi Denki Kabushiki Kaisha
- Tetsuo Kojima
- G02 - OPTICS
Information Patent Grant
Pumping method for laser equipment
- Patent number 7,280,577
- Issue date Oct 9, 2007
- Mitsubishi Denki Kabushiki Kaisha
- Susumu Konno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength conversion apparatus
- Patent number 7,170,911
- Issue date Jan 30, 2007
- Mitsubishi Denki Kabushiki Kaisha
- Tomotaka Katsura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wavelength conversion method, wavelength conversion device, and las...
- Patent number 7,142,354
- Issue date Nov 28, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Tetsuo Kojima
- G02 - OPTICS
Information Patent Grant
Control apparatus for power converter
- Patent number 6,642,689
- Issue date Nov 4, 2003
- Hitachi, Ltd.
- Seiji Ishida
- B60 - VEHICLES IN GENERAL
Information Patent Grant
DC apparatus and vehicle using the same
- Patent number 6,633,495
- Issue date Oct 14, 2003
- Hitachi, Ltd.
- Seiji Ishda
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for controlling a vehicle provided with an electric power co...
- Patent number 6,556,460
- Issue date Apr 29, 2003
- Hitachi, Ltd.
- Seiji Ishida
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control apparatus of electric vehicle
- Patent number 6,456,909
- Issue date Sep 24, 2002
- Hitachi, Ltd.
- Motomi Shimada
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Laser apparatus and laser processing apparatus
- Patent number 6,393,034
- Issue date May 21, 2002
- Mitsubishi Denki Kabushiki Kaisha
- Susumu Konno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solid-state laser apparatus
- Patent number 6,327,294
- Issue date Dec 4, 2001
- Mitsubishi Denki Kabushiki Kaisha
- Tetsuo Kojima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solid-state laser apparatus
- Patent number 5,892,789
- Issue date Apr 6, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Koji Yasui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Photoexcitation solid laser amplifier photoexcitation solid laser u...
- Patent number 5,889,808
- Issue date Mar 30, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Tetsuo Kojima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Diode laser excitation solid-state laser amplifier and diode laser...
- Patent number 5,883,737
- Issue date Mar 16, 1999
- Mitsubishi Denki Kabushiki Kaisha
- Shuichi Fujikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solid-state laser amplifying apparatus and solid-state laser appara...
- Patent number 5,661,738
- Issue date Aug 26, 1997
- Mitsubishi Denki Kabushiki Kaisha
- Koji Yasui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solid state laser apparatus and laser machining apparatus
- Patent number 5,359,616
- Issue date Oct 25, 1994
- Mitsubishi Denki Kabushiki Kaisha
- Koji Yasui
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Semiconductor laser-pumped solid-state laser with plural beam output
- Patent number 5,351,259
- Issue date Sep 27, 1994
- Mitsubishi Denki Kabushiki Kaisha
- Akira Ishimori
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR LASER DEVICE
- Publication number 20180175590
- Publication date Jun 21, 2018
- MITSUBISHI ELECTRIC CORPORATION
- Tatsuya YAMAMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SOLID-STATE LASER DEVICE
- Publication number 20140029640
- Publication date Jan 30, 2014
- MITSUBISHI ELECTRIC CORPORATION
- Tetsuo Kojima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONTROL METHOD FOR INDUCTION MOTOR
- Publication number 20130257343
- Publication date Oct 3, 2013
- Hitachi, Ltd
- Shuichi TACHIHARA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ELECTRIC POWER CONVERSION DEVICE
- Publication number 20130094150
- Publication date Apr 18, 2013
- Hitachi, Ltd
- Takeshi SHINOMIYA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC POWER SUPPLY
- Publication number 20120300501
- Publication date Nov 29, 2012
- Hitachi Mito Engineering Co., Ltd.
- Tetsuo KOJIMA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DC POWER SUPPLY
- Publication number 20120224396
- Publication date Sep 6, 2012
- Hitachi, Ltd.
- Yuichiro NOZAKI
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
SOLID STATE LASER AND WAVELENGTH CONVERSION LASER
- Publication number 20100074296
- Publication date Mar 25, 2010
- Mitsubishi Electric Corporation
- Kuniaki Iwashiro
- G02 - OPTICS
Information Patent Application
WAVELENGTH CONVERSION OPTICAL ELEMENT, METHOD FOR FABRICATING WAVEL...
- Publication number 20090080475
- Publication date Mar 26, 2009
- Osaka University
- Masashi YOSHIMURA
- G02 - OPTICS
Information Patent Application
Laser System
- Publication number 20070263677
- Publication date Nov 15, 2007
- Eiichi Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Solid-state laser system
- Publication number 20050232328
- Publication date Oct 20, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Junichi Nishimae
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Wavelength conversion method, wavelength conversion device, and las...
- Publication number 20050225837
- Publication date Oct 13, 2005
- Tetsuo Kojima
- G02 - OPTICS
Information Patent Application
Wavelength conversion apparatus
- Publication number 20050068998
- Publication date Mar 31, 2005
- Mitsubishi Denki Kabushiki Kaisha
- Tomotaka Katsura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Rod type solid state laser
- Publication number 20040240496
- Publication date Dec 2, 2004
- Shuichi Fujikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Wavelength conversion method, wavelength conversion laser, and lase...
- Publication number 20040240492
- Publication date Dec 2, 2004
- Mitsubishi Denki Kabushiki Kaisha
- Tetsuo Kojima
- G02 - OPTICS
Information Patent Application
Laser device, method of exciting the same, and laser processing mac...
- Publication number 20040170205
- Publication date Sep 2, 2004
- Susumu Konno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DC apparatus and vehicle using the same
- Publication number 20030043609
- Publication date Mar 6, 2003
- Seiji Ishida
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
A METHOD FOR CONTROLLING A VEHICLE PROVIDED WITH AN ELECTRONIC POWE...
- Publication number 20030043605
- Publication date Mar 6, 2003
- Hitachi, Ltd.
- Seiji Ishida
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Control apparatus for power converter
- Publication number 20020141212
- Publication date Oct 3, 2002
- Seiji Ishida
- B60 - VEHICLES IN GENERAL

Tetsuo Kojima

Person

Patents Grantslast 30 patents

Control method for induction motor

DC power supply including resonant circuit for reducing switching l...

Electric power conversion device

DC power supply including arrangement to reduce switching loss and...

Optical wavelength conversion element having a cesium-lithium-borat...

Solid state laser and wavelength conversion laser

Diode laser pumped solid state laser amplifier and diode laser pump...

Laser system

Solid-state laser system

Wavelength conversion method, wavelength conversion laser, and lase...

Pumping method for laser equipment

Wavelength conversion apparatus

Wavelength conversion method, wavelength conversion device, and las...

Control apparatus for power converter

DC apparatus and vehicle using the same

Method for controlling a vehicle provided with an electric power co...

Control apparatus of electric vehicle

Laser apparatus and laser processing apparatus

Solid-state laser apparatus

Solid-state laser apparatus

Photoexcitation solid laser amplifier photoexcitation solid laser u...

Diode laser excitation solid-state laser amplifier and diode laser...

Solid-state laser amplifying apparatus and solid-state laser appara...

Solid state laser apparatus and laser machining apparatus

Semiconductor laser-pumped solid-state laser with plural beam output

Patents Applicationslast 30 patents

SEMICONDUCTOR LASER DEVICE

SOLID-STATE LASER DEVICE

CONTROL METHOD FOR INDUCTION MOTOR

ELECTRIC POWER CONVERSION DEVICE

DC POWER SUPPLY

DC POWER SUPPLY

SOLID STATE LASER AND WAVELENGTH CONVERSION LASER

WAVELENGTH CONVERSION OPTICAL ELEMENT, METHOD FOR FABRICATING WAVEL...

Laser System

Solid-state laser system

Wavelength conversion method, wavelength conversion device, and las...

Wavelength conversion apparatus

Rod type solid state laser

Wavelength conversion method, wavelength conversion laser, and lase...

Laser device, method of exciting the same, and laser processing mac...

DC apparatus and vehicle using the same

A METHOD FOR CONTROLLING A VEHICLE PROVIDED WITH AN ELECTRONIC POWE...

Control apparatus for power converter