Patents by Inventor Shuji Abe
Shuji Abe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7680509Abstract: There is provided a highly reliable transmission/reception integrated radio-frequency apparatus which can achieve a high communication quality in a cable modem. A reception RF signal is input to a reception system block via an input/output terminal, converted to an intermediate-frequency signal, and output from a terminal. An output terminal of a transmission processing section of a transmission system block is connected to the input/output terminal via an overvoltage protection circuit, a high-pass filter functioning as a countermeasure to overvoltage, and a low-pass filter for suppressing harmonics produced from the high-pass filter.Type: GrantFiled: April 17, 2006Date of Patent: March 16, 2010Assignee: Kabushiki Kaisha ToshibaInventors: Shuji Abe, Katsuya Kudo, Masami Oosawa
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Publication number: 20100031466Abstract: The blade member is formed of a polyurethane member produced through curing and molding a castable polyurethane composition containing at least a polyol, an isocyanate compound, and a cross-linking agent. The polyurethane member exhibits a storage modulus (1 Hz) as measured at 40° C. of 2.0×107 Pa or higher and a (G?10)/(G?50) of 3 or lower, wherein represents a storage modulus (1 Hz) as measured at 10° C. (Pa) and G?50 represents a storage modulus (1 Hz) as measured at 50° C. (Pa).Type: ApplicationFiled: January 2, 2009Publication date: February 11, 2010Applicant: SYNZTEC CO., LTD.Inventors: Shuji ABE, Miyuki Ueno
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Patent number: 7645849Abstract: A cleaning blade member comprising a polyurethane formed by using a polyol consisting essentially of a polycarbonatediol, a polyisocyanate, and a crosslinking agent containing a short chain diol and a triol, the polyurethane having a tensile strength at 60° C. of 200 kg/cm2 or higher, and a tensile strength retention ?T, represented by the following equation, of 40% or more: ?T(%)=T60/T10×100 where T10 denotes a tensile strength at 10° C., and T60 denotes the tensile strength at 60° C.Type: GrantFiled: June 8, 2005Date of Patent: January 12, 2010Assignee: Synztec Co., Ltd.Inventors: Masahiro Omori, Shuji Abe
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Publication number: 20090003905Abstract: A cleaning blade member includes a cleaning layer and an elastic layer provided on the cleaning layer's back surface. Both are formed of a polyurethane member produced through curing and molding a castable polyurethane composition, the cleaning layer containing a long-chain polyol, a polyisocyanate, and a diamino compound having a melting point ?80° C., the elastic layer containing a long-chain polyol, a polyisocyanate, a short-chain diol, and a short-chain triol, and has a percent edge drooping ?7.0%, the cleaning and elastic layers have Young's modulus contribution factors Ra and Rb, respectively. (Rb/Ra)=0.05-6.0. Ra=[TaEa/(Ta+Tb)]. Rb=[TbEb/(Ta+Tb)]. Ea and Eb are Young's modulus of the cleaning and elastic layers, respectively. Ta and Tb represent the thicknesses of the cleaning and elastic layers, respectively, and the overall Young's modulus of the cleaning layer and elastic layer is (Ra+Rb)=5.0-14.0 MPa.Type: ApplicationFiled: June 26, 2008Publication date: January 1, 2009Applicant: SYNZTEC CO., LTD.Inventors: Miyuki Ueno, Shuji Abe, Shuhei Noda
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Patent number: 7450392Abstract: There is discolsed a cable modem device capable of reducing unnecessary signals inputted into a circuit substrate which processes signals and signal terminals from the outside and unnecessary radiation generated by the circuit substrate, the device having a hexahedral shield case which shields a circuit substrate, and a plurality of terminals for use in input/output of the signals with respect to the circuit substrate. Each of the terminals has a noise filter function, and is fixed to the shield case.Type: GrantFiled: November 9, 2006Date of Patent: November 11, 2008Assignee: Kabushiki Kaisha ToshibaInventors: Shuji Abe, Katsuya Kudo, Tsutomu Isoda, Masami Oosawa, Mikine Fujihara
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Patent number: 7418231Abstract: A cleaning blade member for use in a cleaning section for removing toner on a toner-deposited body, the cleaning blade member comprising: an edge layer contacting the toner-deposited body; and a back layer provided on a back side of the edge layer, and wherein the edge layer has a Young's modulus of 8 to 20 MPa and an impact resilience at 25° C. of 20 to 40%, and when the Young's modulus of the edge layer is designated as Ea, a Young's modulus of the back layer is designated as Eb, a thickness of the edge layer is designated as Ta, and a thickness of the back layer is designated as Tb, a ratio (Rb/Ra) between a contribution rate Ra of the Young's modulus of the edge layer represented by the following equation (1), and a contribution rate Rb of the Young's modulus of the back layer represented by the following equation (2) is 0.01 to 6.0, and a total Young's modulus (Ra+Rb) of the edge layer and the back layer is 7 to 14 MPa: Ra=[TaEa/(Ta+Tb)]??(1) Rb=[TbEb/(Ta+Tb)].Type: GrantFiled: December 15, 2006Date of Patent: August 26, 2008Assignee: Synztec Co., Ltd.Inventors: Miyuki Ueno, Shuji Abe
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Patent number: 7386267Abstract: The invention provides a cleaning blade member having a controlled friction coefficient and a method for producing the same. The cleaning blade member, for use in a cleaning part for removing toner deposits, is formed of a polyurethane having a ratio of rebound resilience at 25° C. to Young's modulus (rebound resilience at 25° C./Young's modulus) of 4.5 or less.Type: GrantFiled: December 21, 2005Date of Patent: June 10, 2008Assignee: Synztec Co., Ltd.Inventors: Shuji Abe, Masahiro Omori, Miyuki Ueno
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Publication number: 20080027184Abstract: The present invention provides a cleaning blade member which can be excellently produced by molding and which exhibits small variation in physical properties with temperature, and excellent wear resistance. The cleaning blade member formed of a castable polyurethane member produced through hardening and molding a polyurethane composition containing at least a polyol, a polyisocyanate, and a diamino compound, wherein the diamino compound has a melting point of 80° C. or lower, the polyisocyanate is a blend of 4,4?-diphenylmethane diisocyanate (MDI) and 3,3-dimethylphenyl-4,4-diisocyanate (TODI), and the ratio of TODI in the entirety of polyisocyanate is 30 to 100% by weight.Type: ApplicationFiled: July 26, 2007Publication date: January 31, 2008Applicant: SYNZTEC CO., LTD.Inventors: Miyuki UENO, Shuji ABE, Shuhei NODA
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Publication number: 20070140762Abstract: A cleaning blade member for use in a cleaning section for removing toner on a toner-deposited body, the cleaning blade member comprising: an edge layer contacting the toner-deposited body; and a back layer provided on a back side of the edge layer, and wherein the edge layer has a Young's modulus of 8 to 20 MPa and an impact resilience at 25° C. of 20 to 40%, and when the Young's modulus of the edge layer is designated as Ea, a Young's modulus of the back layer is designated as Eb, a thickness of the edge layer is designated as Ta, and a thickness of the back layer is designated as Tb, a ratio (Rb/Ra) between a contribution rate Ra of the Young's modulus of the edge layer represented by the following equation (1), and a contribution rate Rb of the Young's modulus of the back layer represented by the following equation (2) is 0.01 to 6.Type: ApplicationFiled: December 15, 2006Publication date: June 21, 2007Inventors: Miyuki Ueno, Shuji Abe
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Patent number: 7207106Abstract: There is disclosed a cable modem device capable of reducing unnecessary signals inputted into a circuit substrate which processes signals and signal terminals from the outside and unnecessary radiation generated by the circuit substrate, the device having a hexahedral shield case which shields a circuit substrate, and a plurality of terminals for use in input/output of the signals with respect to the circuit substrate. Each of the terminals has a noise filter function, and is fixed to the shield case.Type: GrantFiled: April 19, 2004Date of Patent: April 24, 2007Assignee: Kabushiki Kaisha ToshibaInventors: Shuji Abe, Katsuya Kudo, Tsutomu Isoda, Masami Oosawa, Mikine Fujihara
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Publication number: 20070056007Abstract: There is discolsed a cable modem device capable of reducing unnecessary signals inputted into a circuit substrate which processes signals and signal terminals from the outside and unnecessary radiation generated by the circuit substrate, the device having a hexahedral shield case which shields a circuit substrate, and a plurality of terminals for use in input/output of the signals with respect to the circuit substrate. Each of the terminals has a noise filter function, and is fixed to the shield case.Type: ApplicationFiled: November 9, 2006Publication date: March 8, 2007Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Shuji Abe, Katsuya Kudo, Tsutomu Isoda, Masami Oosawa, Mikine Fujihara
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Publication number: 20070031753Abstract: The invention provides an electrophotography polyurethane member which exhibits small temperature dependency of characteristics, excellent mechanical characteristics, and high wear resistance. The cast-type electrophotography polyurethane member produced through hardening and molding a polyurethane composition containing at least polyol, polyisocyanate, and a diamino compound, wherein the diamino compound has a melting point of 80° C. or lower and contains no chlorine atom but contains an aromatic ring in the molecular structure thereof and exhibits a reaction rate slower than that of 2,2?,3,3?-tetrachloro-4,4?-diaminodiphenylmethane under given hardening and molding conditions.Type: ApplicationFiled: August 3, 2006Publication date: February 8, 2007Inventors: Shuji Abe, Miyuki Ueno, Shuhei Noda
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Patent number: 7159236Abstract: There is provided a highly reliable transmission/reception integrated radio-frequency apparatus which can achieve a high communication quality in a cable modem. A reception RF signal is input to a reception system block via an input/output terminal, converted to an intermediate-frequency signal, and output from a terminal. An output terminal of a transmission processing section of a transmission system block is connected to the input/output terminal via an overvoltage protection circuit, a high-pass filter functioning as a countermeasure to overvoltage, and a low-pass filter for suppressing harmonics produced from the high-pass filter.Type: GrantFiled: February 28, 2001Date of Patent: January 2, 2007Assignee: Kabushiki Kaisha ToshibaInventors: Shuji Abe, Katsuya Kudo, Masami Oosawa
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Publication number: 20060195874Abstract: There is provided a highly reliable transmission/reception integrated radio-frequency apparatus which can achieve a high communication quality in a cable modem. A reception RF signal is input to a reception system block via an input/output terminal, converted to an intermediate-frequency signal, and output from a terminal. An output terminal of a transmission processing section of a transmission system block is connected to the input/output terminal via an overvoltage protection circuit, a high-pass filter functioning as a countermeasure to overvoltage, and a low-pass filter for suppressing harmonics produced from the high-pass filter.Type: ApplicationFiled: April 17, 2006Publication date: August 31, 2006Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Shuji Abe, Katsuya Kudo, Masami Oosawa
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Patent number: 7082841Abstract: An ultrasonic flowmeter includes a transmission/reception means provided in a flow path for performing transmission/reception using a state change of fluid; repetition means for repeating the transmission/reception; time measurement means for measuring a time of propagation repeated by the repetition means; flow rate detection means for detecting a flow rate based on a value of the time measurement means; and number-of-times change means for changing to a predetermined number of repetition times. With such a structure, an influence caused by a variation of a flow can be suppressed by changing the number of repetition times so as to be suitable for a variation. As a result, reliable flow rate measurement with a high accuracy can be achieved.Type: GrantFiled: August 19, 2004Date of Patent: August 1, 2006Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Yasuhiro Umekage, Yukio Nagaoka, Osamu Eguchi, Shuji Abe, Yuji Nakabayashi, Kenzo Ohji, Fumikazu Shiba, Akihisa Adachi, Masahiko Hashimoto, Toshiharu Sato, Yuji Fujii
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Publication number: 20060140692Abstract: The invention provides a cleaning blade member having a controlled friction coefficient and a method for producing the same. The cleaning blade member, for use in a cleaning part for removing toner deposits, is formed of a polyurethane having a ratio of rebound resilience at 25° C. to Young's modulus (rebound resilience at 25° C./Young's modulus) of 4.5 or less.Type: ApplicationFiled: December 21, 2005Publication date: June 29, 2006Inventors: Shuji Abe, Masahiro Omori, Miyuki Ueno
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Patent number: 7067734Abstract: A cable modem module device includes a coaxial connector to transmit and receive high-frequency signals, a circuit board to which the coaxial connector is attached to protrude from its periphery in a direction parallel to its surface, and a first shield case formed in its portion corresponding to the coaxial connector with a cutout portion to avoid the coaxial connector so as to allow the circuit board to be housed from a direction perpendicular to the surface of the circuit board.Type: GrantFiled: May 19, 2004Date of Patent: June 27, 2006Assignee: Kabushiki Kaisha ToshibaInventors: Shuji Abe, Katsuya Kudo, Tsutomu Isoda, Masami Oosawa, Mikine Fujihara
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Publication number: 20060004174Abstract: A cleaning blade member comprising a polyurethane formed from a polyol including at least one of a polyester polyol and a caprolactone-based diol, and a polycarbonate diol, the polyester polyol being obtained by dehydration condensation of adipic acid and a diol component, a polyisocyanate, and a crosslinking agent containing a short chain diol, which is at least one of propanediol and butanediol, and a triol having a molecular weight of 120 to 2,500, and wherein the polyurethane has a peak temperature at tan ? (1 Hz) of 0° C. or lower.Type: ApplicationFiled: July 1, 2005Publication date: January 5, 2006Inventors: Masahiro Omori, Shuji Abe
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Patent number: 6979774Abstract: A cable modem module including a first shield case configured to house a tuner unit, a first terminal used to input analog signals to the tuner unit and output the analog signals therefrom, a circuit board having the first terminal connected to it and configured to have a digital signal processing unit to digital process signals to be input to or output from the tuner unit, a second shield case configured to house the circuit board and the first shield case, and a plurality of second terminals each terminal having its one connected to the circuit board and its other end passed through the second shield case to project to outside and configured to input or output digital signals to or from the digital signal processing unit, each of the second terminals being comprised of a through capacitor.Type: GrantFiled: June 4, 2004Date of Patent: December 27, 2005Assignee: Kabushiki Kaisha ToshibaInventors: Shuji Abe, Katsuya Kudo, Tsutomu Isoda, Masami Oosawa, Mikine Fujihara
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Patent number: 6977617Abstract: A high-frequency receiving unit is provided with a casing configured to incorporate a high-frequency circuit which receives a high-frequency signal and a signal processing circuit which obtains at least one of a picture signal and a data signal from the received high-frequency signal, a display disposed in an opening of the case and configured to display the output of the signal processing circuit, and an antenna configured to receive the high-frequency signal and to supply it to the high-frequency circuit, wherein the antenna is disposed in any one of a top surface, a bottom surface, a right side surface, a left side surface and a back surface on the back side of an intermediate position for dividing the casing into two portions in the direction of depth.Type: GrantFiled: March 30, 2004Date of Patent: December 20, 2005Assignee: Kabushiki Kaisha ToshibaInventors: Toshio Asano, Shuji Abe, Koji Shingu, Tooru Umino, Masahiro Sekine