Nirasawa
Haruhiko Nirasawa, Kanagawa JP
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20090231966 | Drive signal generating apparatus and drawing apparatus - Provided is a drive signal generating apparatus including: an arithmetic section that calculates an approximate expression to approximate variations of multiple detected values each representing one of a position of an optical pickup section and an amount of positional deviation of the optical pickup section with respect to a current target position, the position of the optical pickup section being sequentially detected when the optical pickup section moves stepwise toward multiple target positions set in advance on a drawing surface of a drawing target; and a drive signal generation section that generates a second drive signal synchronized with a first drive signal for causing the optical pickup section to move stepwise, the second drive signal having a signal value corresponding to an approximate value calculated by substituting a value associated with each of the multiple target positions into the approximate expression so as to move an optical component provided in the optical pickup section. | 09-17-2009 |
Hideo Nirasawa, Wako-Shi JP
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20120251371 | GEAR PUMP - In a gear pump in which a driving rotor that is driven by a driving source meshes with a driven rotor that is driven by the driving rotor for rotation to pump a hydraulic oil, only one of the driving rotor and the driven rotor is given the steam treatment while the other remains untreated. | 10-04-2012 |
Hiromi Nirasawa, Tokyo JP
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20100062412 | METHOD OF REMOVING ABNORMAL PRION PROTEIN FROM BLOOD PRODUCTS - Provided are a method of conveniently and efficiently removing abnormal prion protein from a blood product and a method of removing leukocyte simultaneously with abnormal prion protein. The method of removing an abnormal prion protein from a blood product includes filtering the blood product through a filter filled with a carrier coated with a polymer, which is composed of three units including 20 mol % or more and 40 mol % or less of a unit originating from a hydrophobic polymerizable monomer, 5 mol % or more and 13 mol % or less of a unit originating from a polymerizable monomer containing a basic nitrogen-containing part, and a unit originating from a polymerizable monomer containing a protonic neutral hydrophilic part as the balance, and then recovering the filtered blood product. | 03-11-2010 |
Kenzo Nirasawa, Tsukuba-Shi JP
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20140047387 | INFORMATION SUPPLY DEVICE - An online shopping server ( | 02-13-2014 |
20140236996 | SEARCH DEVICE, SEARCH METHOD, RECORDING MEDIUM, AND PROGRAM - A search device ( | 08-21-2014 |
Mitsuharu Nirasawa, Asaka-Shi JP
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20080279725 | Multilayer Analytical Element - The object of the invention is to provide a multilayer analytical element having a non-fibrous porous film with high film strength, which does not produce uneven coloration in the form of a white-out and which has high accuracy of analysis. The present invention provides a dry multilayer analytical element for the analysis of a liquid sample which comprises a water-non-transmitting planar support on one side of which at least one adhesion layer and a porous liquid-sample-developing layer are integrally layered in the mentioned order, wherein the porous liquid-sample-developing layer comprises a non-fibrous porous film whose bending fracture strength is 20 g weight or more and whose elongation ratio when pulled with a 50-g weight is 2% or less, and wherein a adhesion layer polymer binder is caused to become seeped up in the non-fibrous porous film to 2 to 50 μm. | 11-13-2008 |
Tomoyuki Nirasawa, Aichi JP
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20120128285 | SLIDING BEARING - A slide bearing including a metal backing; an Al-based intermediate layer; and an Al-based bearing alloy layer is disclosed. The Al-based bearing alloy layer includes one or more types of intermetallic compounds containing Al and two or more other types of elements, the Al-based bearing alloy layer including 8 or more grains of intermetallic compounds per μm | 05-24-2012 |
Tomoyuki Nirasawa, Inuyama JP
Patent application number | Description | Published |
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20090245702 | SLIDING BEARING - Disclosed is a sliding bearing having excellent fatigue resistance property under a high specific load. The sliding bearing has a back metal layer | 10-01-2009 |
20090246072 | ALUMINUM-BASED BEARING ALLOY - The present invention has been made by the fact that the wettability with lubricant increases when tin grains are broken within a certain range. In an aluminum-based bearing alloy containing from 2 to 20 mass % of tin, the tin grains in a sliding surface have a size not less than 20 μm | 10-01-2009 |
20100310896 | ALUMINUM-BASED SLIDING ALLOY AND CASTING APPARATUS FOR THE SAME - An aluminum-based sliding alloy containing 1 to 15 mass % of Si is provided. Si precipitates in the form of particles in an observation field of the aluminum-based sliding alloy. The Si particles have a maximum diameter of 0.01 to 7.5 μm and the total area of Si particles having a diameter of not more than 5.5 μm accounts for not less than 95% of the total area of the Si particles present in the aluminum-based sliding alloy. | 12-09-2010 |
20110277889 | ALUMINUM-BASED BEARING ALLOY AND PRODUCTION METHOD OF THE SAME - An Al-based bearing alloy containing 1 to 15 mass % of Si is provided. The Al-based bearing alloy includes Si particles, and a total length of circumference of the Si particles observed in an observation field of 37820 μm | 11-17-2011 |
Tomoyuki Nirasawa, Inuyama-Shi JP
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20090317654 | SLIDE MEMBER - A slide member provided with an Al-based alloy layer including Si and having a first contoured surface having first planar surfaces and first convexities consisting of Si particles protruding from the first planar surfaces; an intermediate layer that coats the Al-based alloy layers an overlay that coats the intermediate layer; wherein 90% or more of the Si particles protruding from the first planar surfaces are configured to have a predetermined particle diameter of 2 μm or less, the Si particles having the predetermined particle diameter being distributed in the Al-based alloy layer with a distance between centers of gravity of the Si particles having the predetermined particle diameter averaging 6 μm or less, and wherein the overlay has a second contoured surface having second planar surfaces and second convexities conforming with the first planar surfaces and the first convexities of the first contoured surface. | 12-24-2009 |
20130004364 | AL-BASED BEARING ALLOY - An Al-based bearing alloy includes 1 to 15 mass % of Si. In the Al-based bearing alloy, an average of A/a is greater than 1 and equal to or less than 4, where A represents a distance between adjacent Si particles residing on a sliding-side surface, and a represents a length of a major axis of the Si particles. | 01-03-2013 |
20130022493 | ALUMINUM ALLOY BEARING - An aluminum alloy bearing includes dispersed Si particles amounting to 1.0 to 10.0 weight % of Si. In such aluminum alloy bearing, relative diffraction intensity of (111) plane of the Si particles is equal to or greater than 0.6. | 01-24-2013 |