Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Kiyohito Ishida

Kiyohito Ishida, Sendai JP

Patent application numberDescriptionPublished
20110062214FRICTION STIR TOOL - It is an object to provide a friction stir tool excellent in productivity, high temperature strength, and wear resistance at high temperatures.03-17-2011

Kiyohito Ishida, Sendai-Shi JP

Patent application numberDescriptionPublished
20080206090IRIDIUM-BASED ALLOY WITH HIGH HEAT RESISTANCE AND HIGH STRENGTH AND PROCESS FOR PRODUCING THE SAME - An iridium-based alloy which has Ll08-28-2008
20080289730MATERIAL HAVING A HIGH ELASTIC DEFORMATION AND PROCESS FOR PRODUCING THE SAME - A Co based alloy including at least one member selected from among 0.01 to 10% Fe, 0.01 to 30% Ni and 0.01 to 25% Mn, which Co based alloy has a metal structure wherein ε-phase of h.c.p. structure having been generated by heat-induced or stress-induced transformation is formed in a ratio of 10 vol. % or more. According to necessity, there may be added at least one member selected from among 0.01 to 10% Al, 0.01 to 35% Cr, to 20% V, 0.01 to 15% Ti, 0.01 to 30% Mo, 0.01 to 10% Nb, to 3% Zr, 001 to 30% W, 0.01 to 10% Ta, 0.01 to 5% Hf, 0.01 to 8% Si, 0.001 to 3% C, 0.001 to 3% B, 0.001 to 3% P and 0.001 to 3% misch metal. The Co based alloy exhibits high elastic deformation capability and is good in ductility and workability. The Co based alloy is used as a functional material of, for example, sensor or actuator capable of displacement control by magnetic field application.11-27-2008
20090178739IRON-BASED ALLOY AND PROCESS FOR PRODUCING THE SAME - It is an object of the present invention to provide a ferromagnetic Fe-based alloy having a large reversible strain obtained by application and removal of a magnetic field gradient.07-16-2009
20100156579FERROMAGNETIC SHAPE MEMORY ALLOY AND ITS USE - A ferromagnetic shape memory alloy comprising 25-50 atomic % of Mn, 5-18 atomic % in total of at least one metal selected from the group consisting of In, Sn and Sb, and 0.1-15 atomic % of Co and/or Fe, the balance being Ni and inevitable impurities, which has excellent shape memory characteristics in a practical temperature range, thereby recovering its shape by a magnetic change caused by a magnetic-field-induced reverse transformation in a practical temperature range.06-24-2010
20100193801SOLDER MATERIAL, METHOD FOR MANUFACTURING THE SAME, JOINED BODY, METHOD FOR MANUFACTURING THE SAME, POWER SEMICONDUCTOR MODULE, AND METHOD FOR MANUFACTURING THE SAME - A zinc based solder material 08-05-2010
20110041966FUNCTIONAL MEMBER FROM Co-BASED ALLOY AND PROCESS FOR PRODUCING THE SAME - A Co-based alloy having a fundamental composition of Co—Al binary system containing 3-15% Al and having lamellar structure wherein f.c.c. structure α-phase and β(B2)-phase are superimposed on each other in layers, which Co-based alloy is modified so as to have a porous surface layer region effective for chemical retaining capability, sustained release, biocompatibility, etc. through selective removal of either the α-phase or the β-phase from the surface layer. As a third component, at least one member selected from among Ni, Fe, Mn, Ga, Cr, V, Ti, Mo, Nb, Zr, W, Ta, Hf, Si, Rh, Pd, Ir, Pt, Au, B, C and P may be contained in a total amount of 0.001 to 60%.02-24-2011

Patent applications by Kiyohito Ishida, Sendai-Shi JP

Kiyohito Ishida, Miyagi JP

Patent application numberDescriptionPublished
20080281396GUIDE WIRE AND STENT - A guide wire includes a distal core member made of a ferrous alloy which has shape memory properties and superelasticity. The ferrous alloy preferably includes substantially two phases, and has a difference of 100° C or less between an Af point and an Ms point in a thermal hysteresis of martensitic transformation and reverse transformation. The guide wire may include a proximal core member made of an iron-containing alloy and having a higher modulus of elasticity than the distal core member. The two core members may be joined together by welding to form a core of the guide wire.11-13-2008
20090015969Magnetic thin film, magnetoresistance effect device and magnetic device using the same - Magnetic thin film having high spin polarizability and a magnetoresistance effect device and a magnetic device using the same, provided with a substrate (01-15-2009
20100109016POWER SEMICONDUCTOR MODULE - Provided is a power semiconductor module in which two components are bonded by a Bi based solder material. A Cu layer is provided on the surfaces thereof to be bonded by the Bi based solder material on the two-component. Two components, i.e., the components to be bonded, are a combination of a semiconductor element and an insulating part, or a combination of an insulating part and a radiator plate. The insulating part is composed of a Cu/SiNx/Cu laminated body.05-06-2010
20100228173Corrective Device for Deformed Nails - An elastic metal strip 09-09-2010

Patent applications by Kiyohito Ishida, Miyagi JP

Kiyohito Ishida, Miyagi-Ken JP

Patent application numberDescriptionPublished
20090242083IRON-BASED ALLOY HAVING SHAPE MEMORY PROPERTIES AND SUPERELASTICITY AND ITS PRODUCTION METHOD - An iron-based alloy having shape memory properties and superelasticity, which has a composition comprising 25-35% by mass of Ni, 13-25% by mass of Co, 2-8% by mass of Al, and 1-20% by mass in total of at least one selected from the group consisting of 1-5% by mass of Ti, 2-10% by mass of Nb and 3-20% by mass of Ta, the balance being substantially Fe and inevitable impurities, and a recrystallization texture substantially comprising a γ phase and a γ′ phase, particular crystal orientations of the γ phase being aligned, and the difference between a reverse transformation-finishing temperature and a martensitic transformation-starting temperature being 100° C. or less in the thermal hysteresis of martensitic transformation and reverse transformation.10-01-2009