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Akiko Saito
Akiko Saito, Kanagawa-Ken JP
| Patent application number | Description | Published |
|---|---|---|
| 20080233452 | POLYELECTROLYTE MATERIAL, METHOD FOR PRODUCING POLYELECTROLYTE MATERIAL, POLYELECTROLYTE COMPONENT, FUEL CELL, AND METHOD FOR PRODUCING FUEL CELL - A polyelectrolyte material includes as a main chain: a benzene ring; an ether; and a carbonyl group. A part of the benzene ring is sulfonated. A method for manufacturing a polyelectrolyte material includes: synthesizing disulfonyl difluorobenzophenone; and polymerizing the disulfonyl difluorobenzophenone, 4,4′-difluorobenzophenone, and phenolphthalein with a crown ether as a catalyst. The synthesizing is performed by reacting 4,4′-difluorobenzophenone with fuming sulfuric acid, performing salting-out the reaction product, and recrystallizing the salting-out product. | 09-25-2008 |
| 20110006680 | LIGHT-EMITTING MODULE AND LIGHTING APPARATUS - An object of the present invention is to provide a light-emitting module having excellent light emission efficiency and excellent light distribution characteristics and also provide a lighting apparatus using the light-emitting module. The present invention is a light-emitting module | 01-13-2011 |
Akiko Saito, Kanagawa JP
| Patent application number | Description | Published |
|---|---|---|
| 20090071572 | ALLOY MATERIAL, A MAGNETIC MATERIAL, A MANUFACTURING METHOD OF A MAGNETIC MATERIAL, AND A MAGNETIC MATERIAL MANUFACTURED BY THE MANUFACTURING METHOD - The alloy material having fine grain size, which is suitable for the mass-production, the magnetic material of bulk having single phase and homogeneous composition and manufacturing method of them are offered. The alloy material comprises a plurality of phases different in composition, the grain size of each phase is 20 μm or less, and the composition as a whole is equal to an NaZn | 03-19-2009 |
| 20090217674 | MAGNETIC MATERIAL FOR MAGNETIC REFRIGERATION APPARATUS, AMR BED, AND MAGNETIC REFRIGERATION APPARATUS - There are provided a magnetic material for a magnetic refrigeration apparatus, which improves magnetic refrigeration efficiency by the wide operation temperature range of it, AMR bed using the magnetic material, and a magnetic refrigeration apparatus. The magnetic material is used for the magnetic refrigeration apparatus using a liquid refrigerant, formed by approximately uniformly blending at least two kinds of magnetic particles having different magnetic transition temperatures, and the magnetic particles exhibit an approximately spherical shape with maximum diameter of 0.3 mm or more to 2 mm or less. The AMR bed is filled with the magnetic particles. | 09-03-2009 |
| 20090217675 | MAGNETIC REFRIGERATION DEVICE AND MAGNETIC REFRIGERATION SYSTEM - A magnetic refrigeration device, which can be reduced in size and improve magnetic refrigeration efficiency, and a magnetic refrigeration system can be provided. The magnetic refrigeration device has a heat exchanger vessel of a helical structure filled with magnetic particles having a magnetocaloric effect, a magnetic circuit, a driving unit configured to relatively move the heat exchanger vessel and the magnetic circuit so that a magnetic field can be applied to and removed from the magnetic particles, a low temperature side heat exchanging unit, a high temperature side heat exchanging unit, a refrigerant flow device, and a refrigerant circuit formed by connecting the heat exchanger vessel, the low temperature side heat exchanging unit, the high temperature side heat exchanging unit, and the refrigerant flow device by a pipe for circulating a refrigerant. The magnetic refrigeration system is arranged to use the magnetic refrigeration device. | 09-03-2009 |
| 20100058775 | MAGNETICALLY REFRIGERATING MAGNETIC MATERIAL, MAGNETIC REFRIGERATION APPARATUS, AND MAGNETIC REFRIGERATION SYSTEM - There are provided a magnetic material for magnetic refrigeration improving a magnetic refrigeration efficiency by including a wide operation temperature range and a magnetic refrigeration apparatus and a magnetic refrigeration system using the magnetic material. The magnetically refrigerating magnetic material is formed of a magnetic material shown by a composition formula of Gd | 03-11-2010 |
Akiko Saito, Yokohama-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090290346 | LIGHT SOURCE UNIT AND LIGHTING SYSTEM - The light source unit is provided with a substrate and a decorative cover having thermal conductivity. The substrate includes a circuit pattern area, in which a plurality of LED chips are disposed, at the middle part thereof, has thermal conductivity, and transmits heat from the circuit pattern area to an area in the outer circumferential direction thereof. The decorative cover encloses the substrate, is electrically insulated from the circuit pattern area, and is thermally coupled to the surface side of the substrate at the periphery of the circuit pattern area by being face-contacted thereto. Heat of the substrate can be radiated by the decorative cover while securing an electric insulation property with respect to the circuit pattern area. | 11-26-2009 |
| 20100026185 | SELF-BALLASTED LAMP - A substrate is attached to one edge side of a radiator and a globe is attached covering the substrate. Heat-radiating fins are provided on the other edge side of the radiator and an air-cooling unit is rotatably provided inside the heat-radiating fins which enables to freely rotate. A case storing a circuit part is attached to the other edge side of the radiator and a cap is provided to the case. By the wind blast from the air-cooling unit, the heat-radiating fins are caused to be a part of the ventilation path to allow for ventilation of the inside of the radiator. | 02-04-2010 |
Akiko Saito, Yokosuka-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090296412 | LIGHTING SYSTEM - A spotlight is provided with a substrate having LEDs disposed thereon and a main body casing on which the substrate is provided. The main body casing has a rear side portion having thermal conductivity, which is thermally coupled to the substrate, and is capable of changing the irradiation angle of light emitted from the LEDs. A plurality of heat-radiating fins for forming grooves operating as a plurality of convection paths along the direction of changing the irradiation angle are provided on the rear side portion of the main body casing. | 12-03-2009 |
Akiko Saito, Kawasaki-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20080216484 | MAGNETIC REFRIGERATING MATERIAL AND MAGNETIC REFRIGERATING DEVICE - A magnetic refrigeration material includes: at least one selected from the group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm and Tb by a range of 4 to 15 atomic percentages; at least one selected from the group consisting of Fe, Co, Ni, Mn and Cr by a range of 60 to 93 atomic percentages; at least one selected from the group consisting of Si, C, Ge, Al, Ga and In by a range of 2.9 to 23.5 atomic percentages; and at least one selected from the group consisting of Ta, Nb and W by a range of 1.5 atomic percentages or less, wherein the magnetic refrigeration material includes a NaZn | 09-11-2008 |
| 20080236171 | MAGNETIC REFRIGERATING DEVICE AND MAGNETIC REFRIGERATING METHOD - A magnetic refrigerating device includes: at least one set of double-structured Halbach type magnet including a ring-shaped inner Halbach type magnet and a ring-shaped outer Halbach type magnet which are coaxially arranged one another so that a magnetic field generated by the inner Halbach type magnet is superimposed with a magnetic field generated by the outer Halbach type magnet; a magnetic refrigerant or a magnetic refrigeration working chamber including the magnetic refrigerant therein disposed in a bore space of the inner Halbach type magnet; and a rotating mechanism to rotate the outer Halbach type magnet while the inner Halbach type magnet is stationed. | 10-02-2008 |
| 20090019860 | MAGNETIC MATERIAL FOR MAGNETIC REFRIGERATION - A magnetic material for magnetic refrigeration has a composition represented by (R1 | 01-22-2009 |