Patents by Inventor Yasushi Imai
Yasushi Imai 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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Publication number: 20240071551Abstract: Provided is a semiconductor storage apparatus having a storage apparatus driving circuit which can efficiently perform screening tests for the semiconductor memory device. A semiconductor memory device includes a wright-voltage supply circuit, a wright-voltage switching circuit, a bit line discharge control circuit, a bit line discharge circuit, and a memory array. The wright-voltage supply circuit is connected to the memory array through the wright-voltage switching circuit. The bit line discharge control circuit is connected to the memory array through the bit line discharge circuit.Type: ApplicationFiled: August 17, 2023Publication date: February 29, 2024Applicant: ABLIC Inc.Inventor: Yasushi IMAI
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Patent number: 11894849Abstract: The present invention provides a Schmitt trigger circuit in which chattering does not occur in the output of the Schmitt trigger circuit even when it is connected to a communication bus without impedance matching and reflected noise is superimposed on the input signal. The Schmitt trigger circuit includes: a first signal detection circuit; a second signal detection circuit; a latch circuit; a selection signal generation circuit; a first input port; and a first output port. The first signal detection circuit is connected to the first input port, the latch circuit and the selection signal generation circuit. The second signal detection circuit is connected to the first input port, the latch circuit and the selection signal generation circuit. The latch circuit is connected to the selection signal generation circuit and the output port. The selection signal generation circuit includes a delay circuit.Type: GrantFiled: October 14, 2022Date of Patent: February 6, 2024Assignee: ABLIC Inc.Inventors: Junichi Kanno, Yasushi Imai
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Publication number: 20210110011Abstract: An authentication server includes a calculator configured to calculate, based on a first set and a second set, similarity indicative of how similar the second set is to the first set, and an authenticator configured to, based on the similarity, authenticate a person who carries the mobile device during the second period as a true user. The first set is representative of characteristics of a true user of a mobile device and has as elements identifiers of one or more cells where the mobile device was located during a first period previous to a time at which an authentication request was received. The second set has as elements identifiers of one or more cells where the mobile device was located during a second period differing from the first period.Type: ApplicationFiled: February 4, 2019Publication date: April 15, 2021Applicant: NTT DOCOMO, INC.Inventors: Fumiaki KUDOH, Shigeyuki KURIYAMA, Ayako TAKAGI, Yasushi IMAI, Hidetoshi EBARA
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Patent number: 9923458Abstract: Provided is a booster circuit enabling improvement of efficiency of a stress test for a circuit to which a boosted voltage is applied. A voltage divider circuit is configured to have a voltage-dividing ratio that is variable depending on a test signal, and a limiter circuit is configured to clamp a voltage to a voltage higher than a boosted voltage in normal operation. In a test mode, the voltage divider circuit is controlled so that the boosted voltage becomes higher than that in the normal operation, and the limiter circuit clamps the boosted voltage, with the result that a booster section continuously operates.Type: GrantFiled: June 20, 2017Date of Patent: March 20, 2018Assignee: SII SEMICONDUCTOR CORPORATIONInventor: Yasushi Imai
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Publication number: 20170373591Abstract: Provided is a booster circuit enabling improvement of efficiency of a stress test for a circuit to which a boosted voltage is applied. A voltage divider circuit is configured to have a voltage-dividing ratio that is variable depending on a test signal, and a limiter circuit is configured to clamp a voltage to a voltage higher than a boosted voltage in normal operation. In a test mode, the voltage divider circuit is controlled so that the boosted voltage becomes higher than that in the normal operation, and the limiter circuit clamps the boosted voltage, with the result that a booster section continuously operates.Type: ApplicationFiled: June 20, 2017Publication date: December 28, 2017Inventor: Yasushi IMAI
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Patent number: 8723579Abstract: The timing generation circuit includes a binary counter constituted of three T-flip-flop circuits, and a binary state at reset of the binary counter is also used at system reset and in generation of the output pulses, to generate eight output pulses having different timings from eight binary states generated by the binary counter and including the state at the reset. At the system reset, a reset signal to the binary counter is delayed, so that an output of a decoder circuit at the reset of the binary counter is delayed. Therefore, the output of the decoder circuit is masked with a fast reset signal, so that the output of the decoder circuit at the system reset can be prevented from being reflected in an output terminal.Type: GrantFiled: January 10, 2013Date of Patent: May 13, 2014Assignee: Seiko Instruments Inc.Inventor: Yasushi Imai
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Patent number: 8123117Abstract: In a proximity card function content distribution system of the invention, an IP-side apparatus 5 adds identification information of a user to simplified data of contents for the proximity card function, a mobile terminal 1A acquires the simplified data from the IP-side apparatus 5, and distributes the simplified data to another mobile terminal 1B, and when the another mobile terminal 1B performs proximity card communication with a R/W of the IP-side apparatus 5, the another mobile terminal 1B checks whether the terminal 1B has the specific simplified data, and communicates the checking information.Type: GrantFiled: January 31, 2007Date of Patent: February 28, 2012Assignee: NTT DoCoMo, Inc.Inventors: Hiroyuki Suzuki, Yasushi Imai, Taro Sasada, Masato Shibata
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Publication number: 20100123512Abstract: Provided is a booster circuit capable of shortening a boost rise time. A PMOS transistor is provided, as a switch circuit for controlling an operation of the booster circuit, between a boosted voltage output terminal and a voltage divider circuit in the booster circuit, and the PMOS transistor has a gate connected to a power supply terminal and a source and a back gate connected to the boosted voltage output terminal. Therefore, the PMOS transistor is turned off immediately after a start of a boosting operation, and hence an inverting input terminal of a comparator circuit is pulled down. Accordingly, the comparator circuit outputs a boosting operation signal, and the booster circuit immediately starts the boosting operation, with the result that the boost rise time may be shortened.Type: ApplicationFiled: November 17, 2009Publication date: May 20, 2010Inventors: Yasushi Imai, Tomohiro Oka
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Publication number: 20090239938Abstract: A scavenger receptor A expression down-regulator and a drug for preventing or treating arteriosclerosis which contain, as the active ingredient, a C-terminal globular domain of adiponectin, adiponectin, or a gene encoding the domain or adiponectin. According to the present invention, there is provided a preventive or therapeutic agent capable of directly preventing intimal thickening, which constitutes an essential feature of arteriosclerosis. This effect can be attained through arresting the onset and development of arteriosclerosis by reducing the expression level of scavenger receptor A in arterial walls and preventing lipid buildup in macrophages.Type: ApplicationFiled: July 15, 2008Publication date: September 24, 2009Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCYInventors: Takashi KADOWAKI, Toshimasa YAMAUCHI, Naoto KUBOTA, Yasuo TERAUCHI, Tetsuya KUBOTA, Tetsuo NODA, Ryozo NAGAI, Yasushi IMAI
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Publication number: 20080314975Abstract: In a proximity card function content distribution system of the invention, an IP-side apparatus 5 adds identification information of a user to simplified data of contents for the proximity card function, a mobile terminal 1A acquires the simplified data from the IP-side apparatus 5, and distributes the simplified data to another mobile terminal 1B, and when the another mobile terminal 1B performs proximity card communication with a R/W of the IP-side apparatus 5, the another mobile terminal 1B checks whether the terminal 1B has the specific simplified data, and communicates the checking information.Type: ApplicationFiled: January 31, 2007Publication date: December 25, 2008Applicant: NTT DOCOMO, INC.Inventors: Hiroyuki Suzuki, Yasushi Imai, Taro Sasada, Masato Shibata
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Patent number: 7419955Abstract: A scavenger receptor A expression down-regulator and a drug for preventing or treating arteriosclerosis which contain, as the active ingredient, a C-terminal globular domain of adiponectin, adiponectin, or a gene encoding the domain or adiponectin. According to the present invention, there is provided a preventive or therapeutic agent capable of directly preventing intimal thickening, which constitutes an essential feature of arteriosclerosis. This effect can be attained through arresting the onset and development of arteriosclerosis by reducing the expression level of scavenger receptor A in arterial walls and preventing lipid buildup in macrophages.Type: GrantFiled: May 26, 2003Date of Patent: September 2, 2008Assignee: Japan Science and Technology AgencyInventors: Takashi Kadowaki, Toshimasa Yamauchi, Naoto Kubota, Yasuo Terauchi, Tetsuya Kubota, Tetsuo Noda, Ryozo Nagai, Yasushi Imai
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Publication number: 20060166873Abstract: A scavenger receptor A expression down-regulator and a drug for preventing or treating arteriosclerosis which contain, as the active ingredient, a C-terminal globular domain of adiponectin, adiponectin, or a gene encoding the domain or adiponectin. According to the present invention, there is provided a preventive or therapeutic agent capable of directly preventing intimal thickening, which constitutes an essential feature of arteriosclerosis. This effect can be attained through arresting the onset and development of arteriosclerosis by reducing the expression level of scavenger receptor A in arterial walls and preventing lipid buildup in macrophages.Type: ApplicationFiled: May 26, 2003Publication date: July 27, 2006Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCYInventors: Takashi Kadowaki, Toshimasa Yamauchi, Naoto Kubota, Yasuo Terauchi, Tetsuya Kubota, Tetsuo Noda, Ryozo Nagai, Yasushi Imai
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Patent number: 7044475Abstract: A gasket integrated with a cover wherein a gasket material composed of a thermoplastic elastomer composition is integrally fixed to the cover having a shape of multistep contraction over at least two contraction steps, a gasket wherein the cover and the gasket are integrally molded and after molding, are subjected to a heating treatment at a temperature not lower than the temperature at which an adhesive component in materials constituting the gasket initiates crystal fusion or glass transition, or a gasket wherein the cover and the gasket are integrally molded and a covering layer composed of a fluoropolymer is formed on the gasket surface on atmospheric side are proposed. According to the present invention, a gasket integrated with a cover for a hard disc device which gasket is excellent in adhesive property and productivity, and is minimized in permeability and penetration of substances is provided.Type: GrantFiled: January 28, 2002Date of Patent: May 16, 2006Assignee: Bridgestone CorporationInventors: Yasushi Imai, Tadashi Utsunomiya, Tomohiro Ogata, Shosan Shibata, Tatsuhiko Hosokawa, Naruhiko Mashita, Tsunehiro Yamamoto
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Patent number: 6824730Abstract: There are disclosed a resin composition which is excellent in rubber elasticity, oil maintainability and adhesivity to a metal, and comprises a thermoplastic elastomer composition comprising a (a1) hydrogenated block copolymer which is obtained by hydrogenating a block copolymer consisting essentially of a polymer block composed principally of a vinyl aromatic compound and a polymer block composed principally of a conjugated diene compound, which has a weight average molecular weight of at least 200,000, in which the polymer block composed principally of a vinyl aromatic compound is polystyrene, and in which the content by weight of the polystyrene moiety contained in the hydrogenated block copolymer is 20 to 40%; a (b1) non-aromatic rubber-softening agent having a kinematic viscosity at 40° C.Type: GrantFiled: February 14, 2001Date of Patent: November 30, 2004Assignee: Bridgestone CorporationInventors: Naruhiko Mashita, Shinichi Toyosawa, Youichi Nishimuro, Yasushi Imai, Tadashi Utsunomiya, Ichiro Akasaka, Youkou Saito
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Publication number: 20040186258Abstract: A crush stop comprising a thermoplastic elastomer composition which has a hardness as measured with a hardness tester type A in accordance with JIS-K-6253 being at least 50 degrees and which has dependence of elastic modulus upon temperature being at most 3 times between 0° C. and 60° C. The crush stop is minimized in the displacement due to impact of a stopper arm, and is excellent in impact absorbing properties over a wide range of temperatures.Type: ApplicationFiled: November 10, 2003Publication date: September 23, 2004Inventors: Jun Arai, Naruhiko Mashita, Yasushi Imai, Tsunehiro Yamamoto, Tadashi Utsunomiya, Tatsuhiko Hosokawa
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Publication number: 20040099987Abstract: A gasket integrated with a cover wherein a gasket material composed of a thermoplastic elastomer composition is integrally fixed to the cover having a shape of multistep contraction over at least two contraction steps, a gasket wherein the cover and the gasket are integrally molded and after molding, are subjected to a heating treatment at a temperature not lower than the temperature at which an adhesive component in materials constituting the gasket initiates crystal fusion or glass transition, or a gasket wherein the cover and the gasket are integrally molded and a covering layer composed of a fluoropolymer is formed on the gasket surface on atmospheric side are proposed. According to the present invention, a gasket integrated with a cover for a hard disc device which gasket is excellent in adhesive property and productivity, and is minimized in permeability and penetration of substances is provided.Type: ApplicationFiled: October 10, 2003Publication date: May 27, 2004Inventors: Yasushi Imai, Tadashi Utsunomiya, Tomohiro Ogata, Shoson Shibata, Tatsuhiro Hosokawa, Naruhiko Mashita, Tsunehiro Yamamoto
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Publication number: 20040096677Abstract: A composite structure comprising a metallic sheet and two thermoplastic material layers of a layer (A) and a layer (B) which are placed in turn and integrated with each other, characterized in that the layer (A) comprises a thermoplastic material capable of being thermally fusedly adhered to the thermoplastic material in the layer (B), the metallic sheet and the layer (A) are adhered to each other, and the layers (A) and (B) are thermally fusedly adhered to each other; and a process for producing a composite structure which comprises installing, on a metallic sheet by coating, a layer (A) comprising a thermoplastic material capable of being thermally fusedly adhered to a thermoplastic material in a layer (B) to be placed thereon, and further installing the layer (B) on the layer (A) by thermally fusedly adhering a desirable thermoplastic material on the (A).Type: ApplicationFiled: November 12, 2003Publication date: May 20, 2004Applicant: Bridgestone CorporationInventors: Yasushi Imai, Tadashi Utsunomiya
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Patent number: 6673460Abstract: A composite structure comprising a metallic sheet and two thermoplastic material layers of a layer (A) and a layer (B) which are placed in turn and integrated with each other, characterized in that the layer (A) comprises a thermoplastic material capable of being thermally fusedly adhered to the thermoplastic material in the layer (B), the metallic sheet and the layer (A) are adhered to each other, and the layers (A) and (B) are thermally fusedly adhered to each other; and a process for producing a composite structure which comprises installing, on a metallic sheet by coating, a layer (A) comprising a thermoplastic material capable of being thermally fusedly adhered to a thermoplastic material in a layer (B) to be placed thereon, and further installing the layer (B) on the layer (A) by thermally fusedly adhering a desirable thermoplastic material on the (A).Type: GrantFiled: February 3, 2000Date of Patent: January 6, 2004Assignee: Bridgestone CorporationInventors: Yasushi Imai, Tadashi Utsunomiya
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Publication number: 20020150776Abstract: A composite structure comprising a metallic sheet and two thermoplastic material layers of a layer (A) and a layer (B) which are placed in turn and integrated with each other, characterized in that the layer (A) comprises a thermoplastic material capable of being thermally fusedly adhered to the thermoplastic material in the layer (B), the metallic sheet and the layer (A) are adhered to each other, and the layers (A) and (B) are thermally fusedly adhered to each other; and a process for producing a composite structure which comprises installing, on a metallic sheet by coating, a layer (A) comprising a thermoplastic material capable of being thermally fusedly adhered to a thermoplastic material in a layer (B) to be placed thereon, and further installing the layer (B) on the layer (A) by thermally fusedly adhering a desirable thermoplastic material on the (A).Type: ApplicationFiled: February 3, 2000Publication date: October 17, 2002Inventors: Yasushi Imai, Tadashi Utsunomiya
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Patent number: 6399696Abstract: There are disclosed a thermoplastic elastomer composition which comprises (a) a hydrogenated block copolymer obtained by hydrogenating the block copolymer comprising at least one polymer block composed principally of a vinylic aromatic compound and at least one polymer block composed principally of a conjugated diene compound; (b) a non-aromatic base softening agent having a kinematic viscosity at 40° C.Type: GrantFiled: February 17, 2000Date of Patent: June 4, 2002Assignee: Bridgestone CorporationInventors: Shinichi Toyosawa, Youichi Nishimuro, Kunio Machida, Takashi Shimizu, Naruhiko Mashita, Yasunori Fukuda, Jun Arai, Yasushi Imai, Tadashi Utsunomiya