Tadashi Ishikawa

Person

Oita, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnesium-air fuel cell
- Patent number 9,991,482
- Issue date Jun 5, 2018
- Aqua Power System, Japan
- Tadashi Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnesium-air fuel cell and power supply device using the same
- Patent number 9,871,277
- Issue date Jan 16, 2018
- Aqua Power System, Japan
- Tadashi Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnesium-air fuel cell
- Patent number 9,716,280
- Issue date Jul 25, 2017
- Aqua Power System, Japan
- Tadashi Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Butt welding joint using high-energy density beam
- Patent number 9,352,424
- Issue date May 31, 2016
- Nippon Steel & Sumitomo Metal Corporation
- Tadashi Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Butt-welded joint of welded structure, and method for manufacturing...
- Patent number 8,992,109
- Issue date Mar 31, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Tadashi Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Liquid leakage detection system
- Patent number 8,946,501
- Issue date Feb 3, 2015
- Aqua Power System, Japan
- Naoyuki Kamatani
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Butt-welded joint and method for manufacturing same
- Patent number 8,653,403
- Issue date Feb 18, 2014
- Nippon Steel & Sumitomo Metal Corporation
- Ryuichi Honma
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electron-beam welded joint, steel for electron-beam welding, and ma...
- Patent number 8,623,154
- Issue date Jan 7, 2014
- Nippon Steel & Sumitomo Metal Corporation
- Ryuichi Honma
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electron beam welded joint excellent in brittle fracture resistance
- Patent number 8,114,528
- Issue date Feb 14, 2012
- Nippon Steel Corporation
- Tadashi Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of production of steel product with nanocrystallized surface...
- Patent number 7,857,918
- Issue date Dec 28, 2010
- Nippon Steel Corporation
- Tadashi Ishikawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Large-heat-input butt welded joints having excellent brittle fractu...
- Patent number 7,829,202
- Issue date Nov 9, 2010
- Nippon Steel Corporation
- Tadashi Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of improvement of toughness of heat affected zone at welded...
- Patent number 7,754,033
- Issue date Jul 13, 2010
- Nippon Steel Corporation
- Tadashi Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Welded structure having excellent resistance to brittle crack propa...
- Patent number 7,748,596
- Issue date Jul 6, 2010
- Nippon Steel Corporation
- Tadashi Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Firewall device
- Patent number 7,735,129
- Issue date Jun 8, 2010
- Nippon Telegraph and Telephone Corporation
- Kazuhiko Nagata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circularly welded joint featuring excellent fatigue strength, metho...
- Patent number 7,695,825
- Issue date Apr 13, 2010
- Nippon Steel Corporation
- Kiyotaka Nakashima
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Treatment method for improving fatigue life and long-life metal mat...
- Patent number 7,399,371
- Issue date Jul 15, 2008
- Nippon Steel Corporation
- Tomonori Tominaga
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel plate excellent in brittle crack propagation arrest character...
- Patent number 6,090,226
- Issue date Jul 18, 2000
- Nippon Steel Corporation
- Toshiei Hasegawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Data processing system and method using virtual storage system
- Patent number 6,038,631
- Issue date Mar 14, 2000
- Kabushiki Kaisha Toshiba
- Shinichiro Suzuki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital computer system capable of processing a plurality of instru...
- Patent number 5,787,303
- Issue date Jul 28, 1998
- Kabushiki Kaisha Toshiba
- Tadashi Ishikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Power supply apparatus
- Patent number 5,748,460
- Issue date May 5, 1998
- Canon Kabushiki Kaisha
- Tadashi Ishikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Image forming apparatus having charging member
- Patent number 5,636,009
- Issue date Jun 3, 1997
- Canon Kabushiki Kaisha
- Takao Honda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for operating a fluorescent lamp of an image forming appa...
- Patent number 5,627,434
- Issue date May 6, 1997
- Canon Kabushiki Kaisha
- Toshiyuki Sekiya
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Multi-output power supply apparatus
- Patent number 5,619,403
- Issue date Apr 8, 1997
- Canon Kabushiki Kaisha
- Tadashi Ishikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power supply apparatus
- Patent number 5,612,857
- Issue date Mar 18, 1997
- Canon Kabushiki Kaisha
- Tadashi Ishikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus for controlling a power source
- Patent number 5,414,862
- Issue date May 9, 1995
- Canon Kabushiki Kaisha
- Koji Suzuki
- G05 - CONTROLLING REGULATING
Information Patent Grant
Multiprocessor system including a cache memory with tag copy units
- Patent number 5,375,220
- Issue date Dec 20, 1994
- Kabushiki Kaisha Toshiba
- Tadashi Ishikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Power source device responsive to supplemental plural output voltages
- Patent number 5,285,368
- Issue date Feb 8, 1994
- Canon Kabushiki Kaisha
- Tadashi Ishikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Error information saving apparatus of computer
- Patent number 5,283,891
- Issue date Feb 1, 1994
- Kabushiki Kaisha Toshiba
- Shinichiro Suzuki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System for checking the activity and activity ratio of microprogram...
- Patent number 5,113,501
- Issue date May 12, 1992
- Kabushiki Kaisha Toshiba
- Tadashi Ishikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of adding/subtracting floating-point representation data and...
- Patent number 5,063,530
- Issue date Nov 5, 1991
- Kabushiki Kaisha Toshiba
- Tadashi Ishikawa
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
ANALYSIS APPARATUS, COMMUNICATION SYSTEM, DATA PROCESSING METHOD, A...
- Publication number 20200382383
- Publication date Dec 3, 2020
- NEC Corporation
- Daisuke YOKOI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MAGNESIUM-AIR FUEL CELL
- Publication number 20150380693
- Publication date Dec 31, 2015
- AQUA POWER SYSTEM, JAPAN
- Tadashi ISHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNESIUM-AIR FUEL CELL AND POWER SUPPLY DEVICE USING THE SAME
- Publication number 20150364800
- Publication date Dec 17, 2015
- Aqua Power System, Japan
- Tadashi ISHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNESIUM-AIR FUEL CELL
- Publication number 20150340704
- Publication date Nov 26, 2015
- AQUA POWER SYSTEM, JAPAN
- Tadashi ISHIKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRON-BEAM WELDED JOINT, STEEL FOR ELECTRON-BEAM WELDING, AND MA...
- Publication number 20130279971
- Publication date Oct 24, 2013
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Ryuichi Honma
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIQUID LEAKAGE DETECTION SYSTEM
- Publication number 20130211329
- Publication date Aug 15, 2013
- Aqua Power System, Japan
- Naoyuki Kamatani
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ELECTRON-BEAM WELDED JOINT, STEEL FOR ELECTRON-BEAM WELDING, AND ME...
- Publication number 20130189536
- Publication date Jul 25, 2013
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Ryuichi Honma
- B32 - LAYERED PRODUCTS
Information Patent Application
BUTT-WELDED JOINT OF WELDED STRUCTURE, AND METHOD FOR MANUFACTURING...
- Publication number 20120288324
- Publication date Nov 15, 2012
- Tadashi Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
BUTT WELDING JOINT USING HIGH-ENERGY DENSITY BEAM
- Publication number 20120241420
- Publication date Sep 27, 2012
- Tadashi Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
BUTT-WELDED JOINT AND METHOD FOR MANUFACTURING SAME
- Publication number 20120237287
- Publication date Sep 20, 2012
- Ryuichi Honma
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
ELECTRON BEAM WELDED JOINT EXCELLENT IN BRITTLE FRACTURE RESISTANCE
- Publication number 20100028717
- Publication date Feb 4, 2010
- Tadashi Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Circularly welded joint featuring excellent fatigue strength, metho...
- Publication number 20070134059
- Publication date Jun 14, 2007
- Kiyotaka Nakashima
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Large-heat-input butt welded joints having excellent brittle fractu...
- Publication number 20070131316
- Publication date Jun 14, 2007
- Tadashi Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Welded structure having excellent resistance to brittle crack propa...
- Publication number 20070040001
- Publication date Feb 22, 2007
- Tadashi Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Weld structure having excellent resistance brittle crack propagatio...
- Publication number 20070000968
- Publication date Jan 4, 2007
- Tadashi Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method of increasing toughness of heat-affected part of steel produ...
- Publication number 20060137777
- Publication date Jun 29, 2006
- Tadashi Ishikawa
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Firewall device
- Publication number 20060143699
- Publication date Jun 29, 2006
- Nippon Telegraph and Telephone Corporation
- Kazuhiko Nagata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of manufacturing metal product having nano-crystallized surf...
- Publication number 20060130942
- Publication date Jun 22, 2006
- Tadashi Ishikawa
- C21 - METALLURGY OF IRON
Information Patent Application
Treatment method for improving fatigue life and long-life metal mat...
- Publication number 20050230010
- Publication date Oct 20, 2005
- Tomonori Tominaga
- C21 - METALLURGY OF IRON

Tadashi Ishikawa

Person

Patents Grantslast 30 patents

Magnesium-air fuel cell

Magnesium-air fuel cell and power supply device using the same

Magnesium-air fuel cell

Butt welding joint using high-energy density beam

Butt-welded joint of welded structure, and method for manufacturing...

Liquid leakage detection system

Butt-welded joint and method for manufacturing same

Electron-beam welded joint, steel for electron-beam welding, and ma...

Electron beam welded joint excellent in brittle fracture resistance

Method of production of steel product with nanocrystallized surface...

Large-heat-input butt welded joints having excellent brittle fractu...

Method of improvement of toughness of heat affected zone at welded...

Welded structure having excellent resistance to brittle crack propa...

Firewall device

Circularly welded joint featuring excellent fatigue strength, metho...

Treatment method for improving fatigue life and long-life metal mat...

Steel plate excellent in brittle crack propagation arrest character...

Data processing system and method using virtual storage system

Digital computer system capable of processing a plurality of instru...

Power supply apparatus

Image forming apparatus having charging member

Apparatus for operating a fluorescent lamp of an image forming appa...

Multi-output power supply apparatus

Power supply apparatus

Apparatus for controlling a power source

Multiprocessor system including a cache memory with tag copy units

Power source device responsive to supplemental plural output voltages

Error information saving apparatus of computer

System for checking the activity and activity ratio of microprogram...

Method of adding/subtracting floating-point representation data and...

Patents Applicationslast 30 patents

ANALYSIS APPARATUS, COMMUNICATION SYSTEM, DATA PROCESSING METHOD, A...

MAGNESIUM-AIR FUEL CELL

MAGNESIUM-AIR FUEL CELL AND POWER SUPPLY DEVICE USING THE SAME

MAGNESIUM-AIR FUEL CELL

ELECTRON-BEAM WELDED JOINT, STEEL FOR ELECTRON-BEAM WELDING, AND MA...

LIQUID LEAKAGE DETECTION SYSTEM

ELECTRON-BEAM WELDED JOINT, STEEL FOR ELECTRON-BEAM WELDING, AND ME...

BUTT-WELDED JOINT OF WELDED STRUCTURE, AND METHOD FOR MANUFACTURING...

BUTT WELDING JOINT USING HIGH-ENERGY DENSITY BEAM

BUTT-WELDED JOINT AND METHOD FOR MANUFACTURING SAME

ELECTRON BEAM WELDED JOINT EXCELLENT IN BRITTLE FRACTURE RESISTANCE

Circularly welded joint featuring excellent fatigue strength, metho...

Large-heat-input butt welded joints having excellent brittle fractu...

Welded structure having excellent resistance to brittle crack propa...

Weld structure having excellent resistance brittle crack propagatio...

Method of increasing toughness of heat-affected part of steel produ...

Firewall device

Method of manufacturing metal product having nano-crystallized surf...

Treatment method for improving fatigue life and long-life metal mat...