Membership
Tour
Register
Log in
Tomohisa Arai
Follow
Person
Yokohama-shi, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
High hardness, high corrosion resistance and high wear resistance a...
Patent number
8,062,441
Issue date
Nov 22, 2011
Kabushiki Kaisha Toshiba
Takashi Rokutanda
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Cutter composed of Ni-Cr alloy
Patent number
7,740,719
Issue date
Jun 22, 2010
Kabushiki Kaisha Toshiba
Tomohisa Arai
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Cutter composed of Ni-Cr-Al Alloy
Patent number
7,682,474
Issue date
Mar 23, 2010
Kabushiki Kaisha Toshiba
Tomohisa Arai
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Bond magnet and manufacturing method thereof, and actuator therewith
Patent number
6,546,968
Issue date
Apr 15, 2003
Kabushiki Kaisha Toshiba
Katsutoshi Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnet powder and method for producing the same, and bonded magnet...
Patent number
6,468,440
Issue date
Oct 22, 2002
Kabushiki Kaisha Toshiba
Shinya Sakurada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cold accumulating material, method of manufacturing the same and re...
Patent number
6,467,277
Issue date
Oct 22, 2002
Kabushiki Kaisha Toshiba
Masami Okamura
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Regenerator and cold accumulation refrigerator using the same
Patent number
6,460,348
Issue date
Oct 8, 2002
Kabushiki Kaisha Toshiba
Masami Okamura
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Magnetic material and manufacturing method thereof, and bonded magn...
Patent number
6,416,593
Issue date
Jul 9, 2002
Kabushiki Kaisha Toshiba
Shinya Sakurada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic material and manufacturing method thereof, and bonded magn...
Patent number
6,406,559
Issue date
Jun 18, 2002
Kabushiki Kaisha Toshiba
Shinya Sakurada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cold accumulating material and cold accumulation refrigerator using...
Patent number
6,363,727
Issue date
Apr 2, 2002
Kabushiki Kaisha Toshiba
Keisuke Hashimoto
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Cold-accumulating material and cold-accumulating refrigerator using...
Patent number
6,334,909
Issue date
Jan 1, 2002
Kabushiki Kaisha Toshiba
Masami Okamura
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Bond magnet and manufacturing method thereof, and actuator therewith
Patent number
6,317,020
Issue date
Nov 13, 2001
Kabushiki Kaisha Toshiba
Katsutoshi Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic material and manufacturing method thereof, and bonded magn...
Patent number
6,290,782
Issue date
Sep 18, 2001
Kabushiki Kaisha Toshiba
Shinya Sakurada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cold accumulating material for extremely low temperature cold, refr...
Patent number
6,003,320
Issue date
Dec 21, 1999
Kabushiki Kaisha Toshiba
Masami Okamura
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Permanent magnet material and bonded magnet
Patent number
5,968,290
Issue date
Oct 19, 1999
Kabushiki Kaisha Toshiba
Shinya Sakurada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Permanent magnetic material and bond magnet
Patent number
5,968,289
Issue date
Oct 19, 1999
Kabushiki Kaisha Toshiba
Shinya Sakurada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Hydrogen-absorbing alloy for battery and secondary nickel-metal hyd...
Patent number
5,753,386
Issue date
May 19, 1998
Kabushiki Kaisha Toshiba
Takamichi Inaba
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic material and bonded magnet
Patent number
5,716,462
Issue date
Feb 10, 1998
Kabushiki Kaisha Toshiba
Shinya Sakurada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Cold accumulating material and method of manufacturing the same
Patent number
5,449,416
Issue date
Sep 12, 1995
Kabushiki Kaisha Toshiba
Tomohisa Arai
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Nickel-metal hydride secondary cell, and method of manufacturing th...
Patent number
5,219,678
Issue date
Jun 15, 1993
Kabushiki Kaisha Toshiba
Hiroyuki Hasebe
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Cold accumulating material and method of manufacturing the same
Patent number
5,186,765
Issue date
Feb 16, 1993
Kabushiki Kaisha Toshiba
Tomohisa Arai
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Permanent-magnetic material
Patent number
4,734,131
Issue date
Mar 29, 1988
Kabushiki Kaisha Toshiba
Tomohisa Arai
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
High hardness, high corrosion resistance and high wear resistance a...
Publication number
20120097297
Publication date
Apr 26, 2012
Toshiba Materials Co., Ltd.
Takashi Rokutanda
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MEDICAL GUIDE WIRE
Publication number
20100211048
Publication date
Aug 19, 2010
Kabushiki Kaisha Toshiba
Tomohisa Arai
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
CUTTER COMPOSED OF NI-CR ALLOY
Publication number
20080302449
Publication date
Dec 11, 2008
Kabushiki Kaisha Toshiba
Tomohisa Arai
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
High Hardness, High Corrosion Resistance and High Wear Resistance A...
Publication number
20080121319
Publication date
May 29, 2008
Takashi Rokutanda
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Thermoelectric element and electronic component module and portable...
Publication number
20050172991
Publication date
Aug 11, 2005
Kabushiki Kaisha Toshiba
Tomohisa Arai
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Ni-cr alloy cutting tool
Publication number
20050167010
Publication date
Aug 4, 2005
Kabushiki Kaisha Toshiba
Tomohisa Arai
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Giant magnetostrictive material and manufacturing method thereof, a...
Publication number
20020195172
Publication date
Dec 26, 2002
Kabushiki Kaisha Toshiba
Tomohisa Arai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Bond magnet and manufacturing method thereof, and actuator therewith
Publication number
20020036558
Publication date
Mar 28, 2002
Katsutoshi Nakagawa
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Cold accumulating material, method of manufacturing the same and re...
Publication number
20020026799
Publication date
Mar 7, 2002
Kabushiki Kaisha Toshiba
Masami Okamura
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Magnetic material and manufacturing method thereof, and bonded magn...
Publication number
20020011279
Publication date
Jan 31, 2002
Shinya Sakurada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Magnetic material and manufacturing method thereof, and bonded magn...
Publication number
20010054453
Publication date
Dec 27, 2001
KABUSHIKI KAISHA TOSHIBA
Shinya Sakurada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Regenerator and cold accumulation refrigerator using the same
Publication number
20010025494
Publication date
Oct 4, 2001
Kabushiki Kaisha Toshiba
Masami Okamura
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Giant magnetostrictive material and manufacturing method thereof, a...
Publication number
20010018938
Publication date
Sep 6, 2001
Tomohisa Arai
H01 - BASIC ELECTRIC ELEMENTS