Yoshihiro Kameda
Yoshihiro Kameda, Osaka JP
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20090199950 | METHOD AND SYSTEM FOR LAMINATING OPTICAL ELEMENTS - [Objects] To make it possible to carry out automatically and accurately a laminating operation of an optical element to a sheet-shaped body. | 08-13-2009 |
20100288441 | METHOD AND SYSTEM FOR LAMINATING OPTICAL ELEMENTS - [Objects] To make it possible to carry out automatically and accurately a laminating operation of an optical element to a sheet-shaped body. | 11-18-2010 |
Yoshihiro Kameda, Kanagawa-Ken JP
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20100179280 | SULFUR-CONTAINING CONJUGATED DIOLEFIN COPOLYMER RUBBER, AND RUBBER COMPOSITION COMPRISING THE SAME - Disclosed is a sulfur-containing conjugated diolefin copolymer rubber composed of a conjugated diolefin and an aromatic vinyl compound, wherein (1) the content of sulfur bound to the rubber is 0.01 mmol % or more, (2) the content of the aromatic vinyl compound polymerization unit is not less than 5 wt % and less than 45 wt % relative to the amount of the copolymer rubber, and (3) the content of a vinyl bond (a 1,2-bond) in the conjugated diolefin polymerization unit is 30 mol % or more relative to the amount of the conjugated diolefin polymerization unit. In the the copolymerization between the conjugated diolefin and the aromatic vinyl compound, a specific sulfur-containing polymerization terminator is used to terminate the reaction of the copolymerization. The sulfur-containing conjugated diolefin copolymer rubber has good processability and a good balance among wear resistance, fracture properties and low hysteresis loss. | 07-15-2010 |
Yoshihiro Kameda, Kanagawa JP
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20090137730 | MERCAPTOSALINE BLOCKED WITH VINYL ETHER GROUP (COUPLING AGENT) AND RUBBER COMPOSITION AND PNUEMATIC TIRE USING THE SAME - A rubber composition, superior in the processability and rubber properties compared with a rubber composition using a conventional mercaptosilane coupling agent, containing 100 parts by weight of a diene-based rubber, 10 to 160 parts by weight of a reinforcing filler containing silica and 0.1 to 20% by weight, based upon the weight of silica, of a mercaptosilane coupling agent blocked with a compound having a vinyl ether group and a pneumatic tire using the same. | 05-28-2009 |
20100012245 | PNEUMATIC TIRE WITH HIGH SPEED DURABILITY - A pneumatic tire with superior durability having a tread part comprising a cap tread layer (layer A) and an under tread layer (layer B), wherein, in the pneumatic tire, when storage elastic moduli of the rubber compositions constituting the layer A and the layer B are designated as E | 01-21-2010 |
Yoshihiro Kameda, Hiratsuka JP
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20090326109 | TIRE RUBBER COMPOSITION - Provided is a tire rubber composition blended with an antioxidant that is derived from a raw material other than petroleum resources, the tire rubber composition being capable of achieving an oxidation resistance equal to or higher than a conventional level and of improving forming processability and a low hysteresis loss property. The tire rubber composition includes a blend of: 100 parts by weight of a diene rubber; 5 to 130 parts by weight of an inorganic filler; and 0.01 to 10 parts by weight of a tea extract containing a catechin. | 12-31-2009 |
Yoshihiro Kameda, Hiratsuka-Shi JP
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20080223494 | PNEUMATIC TIRE - A pneumatic tire using as a tread part, a rubber composition containing a high silica-content rubber composition having a difference F-S between an amount of filler F and an amount of a softening agent S of 60 to 90 parts by weight and having a durometer hardness measured at 20° C. of 65 to 76. | 09-18-2008 |
20090095394 | RUBBER COMPOSITION - A sulfur-vulcanizable rubber composition containing 100 parts by weight of a diene-based rubber, 1 to 30 parts by weight of an ester-based plasticizer having a saturated cyclic structure of the formula (I): | 04-16-2009 |
20090258989 | RUBBER COMPOSITION AND PNEUMATIC TIRE USING THE SAME - A rubber composition containing 100 parts by weight of a diene-based rubber, 20 to 120 parts by weight of silica, 3 to 15% by weight, based upon the weight of silica, of a sulfur-containing silane coupling agent and (A) 1,5-diazabicyclo[4,3,0]nonene-5 (DBN) having the formula (I): | 10-15-2009 |
20130324638 | RUBBER COMPOSITION FOR USE IN TIRE TREADS - A rubber composition comprises a diene rubber including not less than 30% by weight of a modified conjugated diene polymer rubber and, per 100 parts by weight of the diene rubber, from 1 to 25 parts by weight of a tackifying resin, and from 25 to 80 parts by weight of a filler comprising not less than 50% by weight of silica. The modified conjugated diene polymer rubber has a terminal modified group comprising a functional group that interacts with silica. In the modified conjugated diene polymer rubber, aromatic vinyl unit content is from 38% to 48% by weight, vinyl unit content is from 20% to 35%, weight-average molecular weight is from 600,000 to 1,000,000, and glass transition temperature is from −22 to −32° C. A glass transition temperature of the tackifying resin is from 50 to 110° C. higher than the glass transition temperature of the modified conjugated diene polymer rubber. | 12-05-2013 |
20130338255 | RUBBER COMPOSITION FOR TIRE TREAD - A rubber composition comprises a diene rubber including not less than 25% by weight of a modified conjugated diene polymer rubber and, per 100 parts by weight of the diene rubber, from 25 to 65 parts by weight of a filler, the filler comprising not less than 50% by weight of silica. The silica has a DBP absorption number of 190 to 250 ml/100 g, an N | 12-19-2013 |
20140011909 | RUBBER COMPOSITION FOR USE IN TIRE TREADS - A rubber composition for use in tire treads comprises a diene rubber including not less than 40% by weight of a modified conjugated diene polymer rubber and, per 100 parts by weight of the diene rubber, from 66 to 110 parts by weight of a filler. The filler comprises not less than 50% by weight of silica. The modified conjugated diene polymer rubber is obtained by copolymerizing a conjugated diene monomer unit and an aromatic vinyl monomer unit in a hydrocarbon solvent using an organic active metal compound as an initiator. A resulting active conjugated diene polymer chain thereof has a terminal modified group, obtained by reacting at least one type of compound having a functional group that is reactable with the active terminal of the polymer chain. Moreover, the terminal modified group has a functional group that interacts with the silica. | 01-09-2014 |
Yoshihiro Kameda, Hiratsuka City JP
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20130267646 | RUBBER COMPOSITION FOR TIRE TREAD AND PNEUMATIC TIRE USING THE SAME - A rubber composition for tire tread contains a diene-based rubber including 30 wt % or more of a terminal modifying group-containing conjugated diene-based copolymer, silica, carbon black, and at least one of silane coupling agents represented by specified formulae. The total amount of silica and carbon black in the composition is 35 to 140 parts by weight relative to 100 parts by weight of the diene-based rubber, while the silane coupling agent content is 4 to 18 wt % on the silica content. The copolymer is produced by a specified method such that the aromatic vinyl monomer content in the copolymer is 38 to 48 wt %, the vinyl unit content in all the conjugated diene-based monomers is 20 to 35 mol %, the weight average molecular weight of the copolymer is 600,000 to 1,000,000, and the terminal modifying group in the copolymer contains a functional group which interacts with the silica. | 10-10-2013 |
Yoshihiro Kameda, Hiratsuka-Shi, Kanagawa JP
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20150298511 | RUBBER COMPOSITION FOR RUN-FLAT TIRE - A rubber composition for a run-flat tire comprises from 20 to 100 parts by weight of a reinforcing filler per 100 parts by weight of a diene rubber containing from 10 to 80 wt. % of butadiene rubber and from 10 to 40 wt. % of natural rubber; wherein the reinforcing filler contains at least 50 wt. % of carbon black; a mode diameter Dst in a mass distribution curve of a Stokes diameter of aggregates of the carbon black is at least 145 nm; a nitrogen adsorption specific surface area N | 10-22-2015 |