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Makoto Fujita
Makoto Fujita, Aichi JP
| Patent application number | Description | Published |
|---|---|---|
| 20110101575 | PREFORM FOR COMPOSITE MATERIAL AND PROCESS FOR PRODUCING THE SAME - A preform for a composite material which has high strength and excellent air permeability and hence is applicable to a high-speed die casting method and which is capable of forming a metal composite material having excellent mechanical properties by a high-speed die casting method. Also provided is a process for producing such a preform. Ceramic fibers or/and ceramic particles are mixed with a silica sol and calcium carbonate and sintered at a predetermined temperature to form a calcium/silicon sinter obtained from the silica sol and calcium carbonate. The calcium/silicon sinter coats the ceramic fibers or/and ceramic particles so that a preform having the fibers or/and the particles bound to each other by the calcium/silicon sinter is obtained. The preform for a composite material has high strength and excellent air permeability and is applicable to the high-speed die casting method capable of attaining high productivity. | 05-05-2011 |
Makoto Fujita, Chiba-Ken JP
| Patent application number | Description | Published |
|---|---|---|
| 20100324249 | POLYMER COMPLEX HAVING CHANNELS AND METHOD FOR CHEMICALLY MODIFYING INNER SURFACES OF CHANNELS OF POLYMER COMPLEX - The present invention is to provide a method for chemically modifying the inner surfaces of channels capable of further regulating characteristics of the internal environment of channels, by forming a polymer complex having a specific channel group B, the channel environmental characteristics of which are regulated by a specific substituent A, followed by utilizing the channels of the channel group B as a reaction field to convert the substituent A to a different substituent, and also to provide a polymer complex having highly specific channel environmental characteristics obtained by the chemical modification method. A method for chemically modifying inner surfaces of channels of at least one kind of channel group in a polymer complex provided with two or more kinds of channel groups each composed of channels identical with one another and having inherent affinity for a guest molecule, wherein the polymer complex comprises an aromatic compound; has two or more coordinating sites as a ligand, a metal ion as a central metal, and an uncoordinating aromatic compound, has a three-dimensional lattice-like structure containing a stack structure comprising the uncoordinating aromatic compound intercalated between aromatic compound ligands in a three-dimensional coordination network formed by coordinating the aromatic compound ligands to the central metal ion, and is provided with two or more kinds of the channel groups in the three-dimensional coordination network, and the uncoordinating aromatic compound has a specific substituent A at a specific position on the aromatic ring thereof, and is arranged regularly such that the substituent A is directed to the inside of a specific channel group B out of the two or more kinds of channel groups, the method comprising the steps of: including the guest molecule in the channel of the channel group B in which the substituent A is arranged; and reacting the guest molecule with the substituent A in the channel to convert the substituent A to a substituent A′, and to arrange the substituent A′ regularly directing to the inside of the channel of the channel group B or any channel of other channel groups. | 12-23-2010 |
| 20110098414 | Polymer Complex - The invention provides a polymer complex having two or more kinds of channel groups through which specific compounds ranging from gaseous small molecules to large molecules such as proteins and other biomolecules can be selectively incorporated and/or released and/or transported. The polymer complex comprises an aromatic compound having two or more coordinating sites as a ligand, a metal ion as a central metal, and an uncoordinating aromatic compound, wherein the polymer complex has a three-dimensional lattice-like structure containing a stack structure comprising the uncoordinating aromatic compound intercalated between aromatic compound ligands in a three-dimensional coordination network formed by coordinating the aromatic compound ligands to the central metal ion, the three-dimensional lattice-like structure is provided with two or more kinds of channel groups each composed of channels identical with one another and having inherent affinity for guest components, the uncoordinating aromatic compound has a specific substituent A at a specific position on the aromatic ring thereof, and the uncoordinating aromatic compound is arranged regularly such that the substituent A is directed to the inside of a specific channel group B out of the two or more kinds of channel groups. | 04-28-2011 |
Makoto Fujita, Anjo-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090035554 | PREFORM FOR COMPOSITE MATERIAL AND PROCESS FOR PRODUCING THE SAME - A preform for a composite material which has high strength and excellent air permeability and hence is applicable to a high-speed die casting method and which is capable of forming a metal composite material having excellent mechanical properties by a high-speed die casting method. Also provided is a process for producing such a preform. Ceramic fibers or/and ceramic particles are mixed with a silica sol and calcium carbonate and sintered at a predetermined temperature to form a calcium/silicon sinter obtained from the silica sol and calcium carbonate. The calcium/silicon sinter coats the ceramic fibers or/and ceramic particles so that a preform having the fibers or/and the particles bound to each other by the calcium/silicon sinter is obtained. The preform for a composite material has high strength and excellent air permeability and is applicable to the high-speed die casting method capable of attaining high productivity. | 02-05-2009 |
| 20090197074 | METAL COMPOSITE MATERIAL AND PROCESS FOR PRODUCTION OF METAL COMPOSITE MATERIAL - A metal composite material which can show high wear resistance and durability when used as a sliding member and a process for producing such a metal includes material are proposed. The metal composite material ( | 08-06-2009 |
| 20100143704 | METAL COMPOSITE MATERIAL AND PROCESS FOR PRODUCING METAL COMPOSITE MATERIAL - A metal composite material is obtained by casting a melt of a metal and has an outer surface on which aluminum borate particles maintained in a porous form are exposed. Therefore, an oil is allowed to infiltrate the aluminum borate particles on the outer surface, to be retained therein and to ooze out during sliding. As a consequence, the sliding life during which desired sliding properties are maintained can be significantly prolonged. The metal composite material may be produced from a preform obtained by sintering aluminum borate particles covered with electrically neutralized silica and alumina particles which have been formed by mixing a silica sol and an alumina sol with aluminum borate particles in an aqueous solution to cover aluminum borate particles. | 06-10-2010 |
| 20110162521 | MMC CYLINDER LINER AND METHOD FOR PRODUCING THE SAME - An MMC cylinder liner comprises an inner tubular portion and an outer tubular portion. The inner tubular portion includes a metal matrix composite formed of a compact impregnated with an Al—Si alloy wherein the compact is made of a reinforcing material. The outer tubular portion is formed of the Al—Si alloy. The Si concentration of the Al—Si alloy impregnated into the compact of the inner tubular portion is different from the Si concentration of the Al—Si alloy of the outer tubular portion. | 07-07-2011 |
Makoto Fujita, Tokyo-To JP
| Patent application number | Description | Published |
|---|---|---|
| 20100105901 | SYNTHESIS METHOD OF POLYMER COMPLEX CRYSTAL - Disclosed is a synthesis method for synthesizing in a short time and selectively a microcrystal of a polymer complex having three three-dimensionally and regularly arranged channels. | 04-29-2010 |
Makoto Fujita, Tokyo JP
| Patent application number | Description | Published |
|---|---|---|
| 20090318663 | Polymerizable Spherical Transition Metal Complex, Spherical Transition Metal Complex, and Production Method Thereof - A polymerizable spherical transition metal complex is provided which has a hollow shell which is formed from transition metal atoms and bidentate organic ligands, the bidentate organic ligands having a substituent having a polymerizable group moiety at an end thereof, and the substituents being oriented towards the interior of the hollow shell. A spherical transition metal complex in which, in the hollow shell of the polymerizable spherical transition metal complex, the polymerizable groups are polymerized, and a production method thereof are also provided. The polymerizable spherical transition metal complex which is a spherical transition metal complex having a hollow shell, is characterized in that the hollow shell is formed from a transition metal atoms (wherein a represents an integer of 6 to 60), and 2a bidentate organic ligands, the bidentate organic ligands have a substituent having at least one or more polymerizable group moieties at an end thereof, and the substituents are oriented towards an interior of the hollow shell. The spherical transition metal complex is characterized in that the polymerizable groups are polymerized in the hollow shell of the polymerizable spherical transition metal complex. The production method thereof is also provided. | 12-24-2009 |
Makoto Fujita, Hyogo JP
| Patent application number | Description | Published |
|---|---|---|
| 20090107294 | PROCESS FOR PRODUCING SPHERICAL TITANIUM ALLOY POWDER - In production of a titanium alloy spherical powder by a gas atomizing method, the difference in alloy composition depending on the product particle size is reduced economically. To achieve this, sponge titanium particles and additive metal element particles are mixed by means of a mixer having a pulverizing function such as a ball mill. The mixed particles are compressed to form a rod-formed raw material for melting. The formed rod-formed raw material for melting is powderized by a gas atomizing method. In the mixing step, the additive metal element particles are pulverized, or ground depending on the kind of particles, and solidly adhered to the surface of the sponge titanium particles, so that uniform mixing is possible. | 04-30-2009 |
Makoto Fujita, Chiba-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20090082563 | MOLECULAR ASSEMBLY - A molecular assembly comprising a host metal complex with a space formed therein, and compounds having substituents enclosed in the metal complex within the space and molecular chains bonded to the substituents and extending to the exterior of the metal complex, wherein two or more substituents are enclosed in the same space of the metal complex. | 03-26-2009 |
Makoto Fujita, Kusatsu-Shi JP
| Patent application number | Description | Published |
|---|---|---|
| 20110110057 | CIRCUIT MODULE AND MANUFACTURING METHOD FOR THE SAME - A circuit module and a manufacturing method for the same, reduce a possibility that a defect area where an electrically conductive resin is not coated may occur in a shield layer. A mother board is prepared. A plurality of electronic components are mounted on a principal surface of the mother board. An insulator layer is arranged so as to cover the principal surface of the mother board and the electronic components. The insulator layer is cut such that grooves and projections are formed in and on the principal surface of the insulator layer and the insulator layer has a predetermined thickness H. An electrically conductive resin is coated on the principal surface of the insulator layer to form a shield layer. The mother board including the insulator layer and the shield layer both formed thereon is divided to obtain a plurality of circuit modules. | 05-12-2011 |