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Patents Grants
last 30 patents
Information
Patent Grant
Bolt fastening method and bolt fastening device
Patent number
7,836,794
Issue date
Nov 23, 2010
Toyota Jidosha Kabushiki Kaisha
Yasuo Fujioka
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Steel for machine structural use excellent in fracture splitability...
Patent number
6,143,242
Issue date
Nov 7, 2000
Nippon Steel Corporation
Hiromasa Takada
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Aluminum alloy composite material with intermetallic compound finel...
Patent number
5,449,421
Issue date
Sep 12, 1995
Toyota Jidosha Kabushiki Kaisha
Kaneo Hamajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of manufacture of metal composite material including interme...
Patent number
5,236,032
Issue date
Aug 17, 1993
Toyota Jidosha Kabushiki Kaisha
Tetsuya Nukami
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for producing high-strength steel having improved weldability
Patent number
4,988,393
Issue date
Jan 29, 1991
Nippon Steel Corporation
Ryota Yamaba
C21 - METALLURGY OF IRON
Information
Patent Grant
Short fiber preform, method of making it, and composite material ma...
Patent number
4,852,630
Issue date
Aug 1, 1989
Toyota Jidosha Kabushiki Kaisha
Kaneo Hamajima
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Heat resistant light alloy articles and method of manufacturing same
Patent number
4,830,932
Issue date
May 16, 1989
Toyota Jidosha Kabushiki Kaisha
Tadashi Donomoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Composite material including matrix metal and closed loop configura...
Patent number
4,804,586
Issue date
Feb 14, 1989
Toyota Jidosha Kabushiki Kaisha
Atsuo Tanaka
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Composite material with light matrix metal and with reinforcing fib...
Patent number
4,789,605
Issue date
Dec 6, 1988
Toyota Jidosha Kabushiki Kaisha
Masahiro Kubo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Composite material including alumina-silica short fiber reinforcing...
Patent number
4,777,097
Issue date
Oct 11, 1988
Toyota Jidosha Kabushiki Kaisha
Masahiro Kubo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for manufacturing alloy including fine oxide particles
Patent number
4,744,945
Issue date
May 17, 1988
Toyota Jidosha Kabushiki Kaisha
Kaneo Hamajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for manufacturing aluminum alloy by permeating molten alumin...
Patent number
4,739,817
Issue date
Apr 26, 1988
Toyota Jidosha Kabushiki Kaisha
Kaneo Hamajima
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Light metal alloy piston
Patent number
4,730,548
Issue date
Mar 15, 1988
Toyota Jidosha Kabushiki Kaisha
Yorishige Maeda
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Composite material including silicon carbide and/or silicon nitride...
Patent number
4,720,434
Issue date
Jan 19, 1988
Toyota Jidosha Kabushiki Kaisha
Masahiro Kubo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Production of pistons having a cavity
Patent number
4,712,600
Issue date
Dec 15, 1987
Toyota Jidosha Kabushiki Kaisha
Kaneo Hamajima
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for alloying substances
Patent number
4,708,847
Issue date
Nov 24, 1987
Toyota Jidosha Kabushiki Kaisha
Tadashi Donomoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Fiber reinforced metal composite material
Patent number
4,696,866
Issue date
Sep 29, 1987
Toyota Jidosha Kabushiki Kaisha
Atsuo Tanaka
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Piston for internal combustion engine
Patent number
4,694,735
Issue date
Sep 22, 1987
Toyota Jidosha Kabushiki Kaisha
Yoshiaki Tatematsu
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Light metal alloy piston
Patent number
4,669,367
Issue date
Jun 2, 1987
Toyota Jidosha Kabushiki Kaisha
Atsuo Tanaka
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Composite material including reinforcing mineral fibers embedded in...
Patent number
4,615,733
Issue date
Oct 7, 1986
Toyota Jidosha Kabushiki Kaisha
Masahiro Kubo
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Composite material with carbon reinforcing fibers and magnesium all...
Patent number
4,600,661
Issue date
Jul 15, 1986
Toyota Jidosha Kabushiki Kaisha
Tadashi Dohnomoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for forming metal base composite
Patent number
4,573,519
Issue date
Mar 4, 1986
Toyota Jidosha Kabushiki Kaisha
Tadashi Donomoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method and apparatus for manufacturing composite material using pre...
Patent number
4,572,270
Issue date
Feb 25, 1986
Toyota Jidosha Kabushiki Kaisha
Kiyoshi Funatani
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for making composite material object by plastic processing
Patent number
4,548,253
Issue date
Oct 22, 1985
Toyota Jidosha Kabushiki Kaisha
Kiyoshi Funatani
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Silicon carbide whisker composite material with low non whisker par...
Patent number
4,530,875
Issue date
Jul 23, 1985
Toyota Jidosha Kabushiki Kaisha
Tadashi Donomoto
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for production of composite material using preheating of rei...
Patent number
4,492,265
Issue date
Jan 8, 1985
Toyota Jidosha Kabushiki Kaisha
Tadashi Donomoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Composite material manufacturing method exothermically reducing met...
Patent number
4,468,272
Issue date
Aug 28, 1984
Toyota Jidosha Kabushiki Kaisha
Tadashi Donomoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Fiber reinforced metal type composite material with high purity alu...
Patent number
4,450,207
Issue date
May 22, 1984
Toyota Jidosha Kabushiki Kaisha
Tadashi Donomoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for making carbon/metal composite pretreating the carbon wit...
Patent number
4,419,389
Issue date
Dec 6, 1983
Toray Industries
Tadashi Donomoto
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Patents Applications
last 30 patents
Information
Patent Application
Bolt fastening method and bolt fastening device
Publication number
20090064828
Publication date
Mar 12, 2009
Yasuo Fujioka
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR