Patents by Inventor Yoshihiro Ueda
Yoshihiro Ueda 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).
-
Patent number: 7887449Abstract: A speed-change transmission apparatus for effecting a speed-changing on an engine drive force with utilizing a continuously variable speed-change device, a plurality of planetary transmission mechanisms and a plurality of clutches is constructed to be capable of effecting the speed-changing operation smoothly, regardless of a centrifugal force generated in the clutches. An output from the continuously variable speed-change device and a drive force from the engine are combined by a planetary transmission section. The drive force from this planetary transmission section is transmitted via a clutch section to an output shaft. First, second, third and fourth clutches of the clutch section are configured to be switched over respectively between an engaged condition and a disengaged condition, as clutch members are engaged with or disengaged from output side rotational members.Type: GrantFiled: September 25, 2006Date of Patent: February 15, 2011Assignee: Kubota CorporationInventors: Yoshiyuki Katayama, Yoshihiro Ueda, Shoso Ishimori, Minoru Hiraoka
-
Patent number: 7869260Abstract: A plurality of memory cells, each including a variable resistance element capable of having four or more values, are arranged at intersections of first wirings and second wirings. A control circuit selectively drives the first and second wirings. A sense amplifier circuit compares, with a reference voltage, a voltage generated by a current flowing through a selected memory cell. A reference voltage generation circuit includes: a resistance circuit including first and second resistive elements connected in parallel. Each of the first resistive elements has a resistance value substantially the same as a maximum resistance value in the variable resistance elements, and each of the second resistive elements has a resistance value substantially the same as a minimum resistance value in the variable resistance elements. A current regulator circuit averages currents flowing through the first and second resistive elements.Type: GrantFiled: March 24, 2009Date of Patent: January 11, 2011Assignee: Kabushiki Kaisha ToshibaInventor: Yoshihiro Ueda
-
Patent number: 7845652Abstract: An arrangement is provided in which the durability of an operation changing means is improved when this means is provided to the suspension mechanism in a suspension structure for a work vehicle. A maximum position (A1) and minimum position (A2) of the operation of the suspension mechanism are detected, and an intermediate position (B1) between the maximum and minimum positions (A1) and (A2) is detected. When the intermediate position (B1) departs from the target range (H1), the operation of the suspension mechanism is changed to the body raising side or body lowering side so that the intermediate position (B1) moves toward the target range (H1).Type: GrantFiled: April 3, 2008Date of Patent: December 7, 2010Assignee: Kubota CorporationInventors: Kenichi Iwami, Shigeki Hayashi, Yoshihiro Ueda
-
Publication number: 20100277972Abstract: First and second memory cell arrays are adjacent in a first direction. First and second areas are positioned adjacent to one and the other side of the first memory array in a second direction. Third and fourth areas are positioned adjacent to one and the other side of the second memory array in a second direction. A sense amplifier is arranged in the first area and a current sink is arranged in the fourth area. The sense amplifier compares a read current which flows into the current sink via a memory cell in the first memory cell array and the second area from the sense amplifier with a reference current which flows into the current sink via the third area and a reference memory cell in the second memory cell array from the sense amplifier.Type: ApplicationFiled: April 28, 2010Publication date: November 4, 2010Applicant: KABUSHIKI KAISHA TOSHIBAInventor: Yoshihiro UEDA
-
Publication number: 20100243767Abstract: A refrigerator includes: a storage compartment that is separated and heat-insulated from another area; an atomization device having an electrode unit that sprays mist into the storage compartment; and a protection unit that improves safety of a user.Type: ApplicationFiled: November 5, 2008Publication date: September 30, 2010Applicant: PANASONIC CORPORATIONInventors: Kiyoshi Mori, Kenichi Kakita, Tosiaki Mamemoto, Yoshihiro Ueda, Toyoshi Kamisako, Takahiro Ueno
-
Publication number: 20100236269Abstract: A refrigerator that sprays a mist using an atomization apparatus includes an atomization state determination unit that determines an atomization state of an atomization unit. An operation of the atomization unit is controlled according to a signal determined by the atomization state determination unit. Thus, an appropriate amount of mist spray is performed according to the atomization state, so that improved spray accuracy can be attained.Type: ApplicationFiled: November 5, 2008Publication date: September 23, 2010Applicant: PANASONIC CORPORATIONInventors: Tosiaki Mamemoto, Toyoshi Kamisako, Yoshihiro Ueda, Katsunori Horii, Kenichi Kakita, Tadashi Adachi, Kahoru Tsujimoto, Kiyoshi Mori
-
Publication number: 20100223944Abstract: To provide a refrigerator including: a heat-insulating main body; a storage compartment defined in the heat-insulating main body; and a mist spray apparatus that sprays a fine mist into the storage compartment. The fine mist generated by the mist spray apparatus has a nano-size particle diameter and reduces microorganisms adhering to the inside of the storage compartment and to vegetable surfaces, the microorganisms including molds, bacteria, yeasts, and viruses.Type: ApplicationFiled: October 8, 2008Publication date: September 9, 2010Applicant: PANASONIC CORPORATIONInventors: Kahoru Tsujimoto, Toyoshi Kamisako, Yoshihiro Ueda, Tadashi Adachi, Kazuya Nakanishi
-
Patent number: 7791930Abstract: A MRAM includes a first magnetoresistive effect (MR) element that takes a low and high resistance states. A second MR element is fixed to a low or high resistance state. First and second MOSFETs are connected to the first and second MR elements, respectively. A sense amplifier amplifies a difference between values of current flowing through the first and second MOSFETs. A current circuit outputs reference current whose value lies between current flowing through the first MR element of the low and high resistance states. A third MOSFET has one end that receives the reference current and is connected to its own gate terminal. The gate terminal of the second MOSFET receives the same potential as the gate terminal of the third MOSFET. A first resistance element is connected to the others end of the third MOSFET and has the same resistance as the second magnetoresistive effect element.Type: GrantFiled: June 30, 2008Date of Patent: September 7, 2010Assignee: Kabushiki Kaisha ToshibaInventor: Yoshihiro Ueda
-
Patent number: 7787320Abstract: A sense amplifier according to an example of the present invention has first, second, third and fourth FETs with a flip-flop connection. A drain of a fifth FET is connected to a first input node, and its source is connected to a power source node. A drain of a sixth FET is connected to a second input node, and its source is connected to the power source node. A sense operation is started by charging a first output node from the first input node with a first current and by charging a second output node from the second input node with a second current. The fifth and sixth FET are turned on after starting the sense operation.Type: GrantFiled: November 23, 2009Date of Patent: August 31, 2010Assignee: Kabushiki Kaisha ToshibaInventors: Yoshihiro Ueda, Yoshihisa Iwata, Toshiaki Edahiro, Toshihiro Suzuki
-
Publication number: 20100208512Abstract: A latch circuit is connected to a first common node, a first, second output node, and a first, second connection node. A first resistance change element is connected to the first connection node, and a second common node. A second resistance change element is connected to the second connection node, and the second common node. When a first data is stored, voltages of the first common node, second common node, and first output node are set at a first reference voltage, and a voltage of the second output node is set at a second reference voltage. When a second data is stored, voltages of the first common node, second common node, and second output node are set at the first reference voltage, and a voltage of the first output node is set at the second reference voltage.Type: ApplicationFiled: February 19, 2010Publication date: August 19, 2010Applicant: KABUSHIKI KAISHA TOSHIBAInventor: Yoshihiro UEDA
-
Patent number: 7772660Abstract: A magnetic random access memory includes a transistor having a gate electrode formed above a surface of a substrate, and first and second impurity diffusion regions which sandwich a channel region below the gate electrode, a first plug formed on the first impurity diffusion region, a recording element formed on the first plug, including a plurality of stacked layers, and configured to hold information in accordance with an internal magnetization state, a first signal line formed on the recording element, a second plug formed on the second impurity diffusion region, an electrical conductor formed on the second plug, an area of a shape of the electrical conductor, which is projected onto the surface of the substrate, being larger than that of a shape of the recording element, which is projected onto the surface of the substrate, and a second signal line formed on the electrical conductor.Type: GrantFiled: May 13, 2008Date of Patent: August 10, 2010Assignee: Kabushiki Kaisha ToshibaInventor: Yoshihiro Ueda
-
Patent number: 7760543Abstract: A resistance change memory includes a memory cell which is connected to a first node, and programmed from a first resistance state to a second resistance state, a first replica cell which is connected to a second node, generates a write voltage for programming from the first resistance state to the second resistance state, and is fixed in the first resistance state, and a first constant-current source connected to the second node, wherein when writing the second resistance state in the memory cell, a voltage of the first node is held equal to that of the second node.Type: GrantFiled: October 2, 2008Date of Patent: July 20, 2010Assignee: Kabushiki Kaisha ToshibaInventor: Yoshihiro Ueda
-
Publication number: 20100165701Abstract: A resistive memory includes a plurality of memory cells, a plurality of reference cells having mutually different resistance values, at least one sense amplifier having a first input terminal connected to one selected memory cell which is selected from the plurality of memory cells at a time of read, and a second input terminal connected to one selected reference cell which is selected from the plurality of reference cells at the time of read, and one latch circuit which holds offset information of the at least one sense amplifier. The resistive memory further includes a decoder which selects, in accordance with the offset information, the one selected reference cell from the plurality of reference cells, and connects the one selected reference cell to the second input terminal of the at least one sense amplifier.Type: ApplicationFiled: August 5, 2009Publication date: July 1, 2010Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Yoshihiro UEDA, Kenji TSUCHIDA, Kiyotaro ITAGAKI
-
Publication number: 20100147003Abstract: A mist atomizer is arranged in a first cooling duct including an outlet for vegetable compartment and an inlet for vegetable compartment. The mist atomizer is arranged near a gap of a lower basket and an upper basket. A refrigerator capable of efficiently collecting transpired moisture from stored food, sufficiently humidifying the interior of the basket, and having higher freshness maintaining property is provided.Type: ApplicationFiled: April 25, 2008Publication date: June 17, 2010Inventors: Yoshihiro Ueda, Tadashi Adachi, Kazuya Nakanishi, Toyoshi Kamisako, Kahoru Tsujimoto, Kenichi Kakita, Tosiaki Mamemoto, Sachiko Kanehara, Kiyoshi Mori
-
Publication number: 20100143086Abstract: An improvement of a loader work machine is disclosed. A machine body frame includes a frame body having a bottom wall and a pair or right/left side walls, and a pair of right/left support frame members connected to a rear end of the frame body. A cabin is mounted on the machine body frame. A transverse connecting member is disposed rearwardly of the cabin for connecting the pair of right/left support frame members to right/left sides thereof, respectively. A pair of right/left arms are disposed on right/left sides of the machine body frame, with base portions thereof being vertically pivotally supported to the pair of right/left support frame members, respectively. A pair of right/left arm cylinders are provided between the base portions of the arms and the rear portions of the machine body frame for lifting up/down the arms. A hood is provided at the rear end of the frame body and downwardly of the transverse connecting member between the pair of right/left support frame members, for housing an engine.Type: ApplicationFiled: March 25, 2009Publication date: June 10, 2010Applicant: Kubota CorporationInventors: Toyoaki Yasuda, Masanori Fujino, Toshihiko Takemura, Yasuo Nakata, Yoshitaka Matsubara, Yoshihiro Ueda, Yuuki Takano, Yusuke Kawai, Ryohei Sumiyoshi, Hiroyuki Anami, Naoya Muramoto, Kenji Mitsui, Youhei Kawano, Takeshi Ikumura
-
Publication number: 20100143087Abstract: A loader work machine includes: a first lift link (81) and a second lift links (82) disposed forwardly of the first lift link (81) for vertically pivotally supporting a base portion of an arm (77) at a rear upper portion of a machine body frame (1); an arm cylinder (79) provided between the base portion of the arm (77) and a rear lower portion of the machine body frame for lifting up/down the arm (77); a first link support shaft (85) for pivotally supporting a lower base portion of the first lift link (81) to the machine body frame (1); a second link support shaft (86) for pivotally connecting a base portion of the second lift link (82) to the machine body frame (1), at a position forwardly of the first link support shaft; a first arm support shaft (88) for pivotally supporting a base portion of the arm (77) to an upper free end of the first lift link (81); a second arm support shaft (89) for pivotally connecting a base portion of the arm (77) to a free end of the second lift link (82), at a position forwardlType: ApplicationFiled: March 23, 2009Publication date: June 10, 2010Applicant: Kubota CorporationInventors: Toyoaki Yasuda, Masanori Fujino, Toshihiko Takemura, Yasuo Nakata, Yoshitaka Matsubara, Yoshihiro Ueda, Yuuki Takano, Yusuke Kawai, Ryohei Sumiyoshi, Hiroyuki Anami, Naoya Muramoto, Kenji Mitsui, Youhei Kawano, Takeshi Ikumura
-
Publication number: 20100077791Abstract: The refrigerator includes a vegetable compartment (107) thermally insulated by a rear partition (111), and a mist generation department (139) for atomizing a mist into the vegetable compartment (107), and the mist generation department (139) includes a atomizing electrode (135) for atomizing the mist into the vegetable compartment (107), a voltage applicator (133) for applying a voltage to the atomizing electrode (135), and a cooling pin (134) coupled to the atomizing electrode (135), in which the atomizing electrode (135) is cooled to a temperature lower than the dew point by a outlet air-duct for freezer compartment (141), and the moisture in the air is cooled to condense dew on the atomizing electrode (135), and is atomized as a mist into the vegetable compartment (107), and dew can be condensed from moisture onto the atomizing electrode (135) stably and in a simple configuration, and the freshness of the food is enhanced while the reliability of the refrigerator is enhanced.Type: ApplicationFiled: October 22, 2009Publication date: April 1, 2010Applicant: Panasonic CorporationInventors: Toyoshi Kamisako, Yoshihiro Ueda, Kazuya Nakanishi, Tadashi Adachi, Kazuyuki Hamada, Kiyotaka Tabira, Yasuyuki Okamoto, Kenichi Okabe, Masashi Yuasa, Kenichi Kakita, Kiyoshi Mori, Tosiaki Mamemoto, Katsunori Horii
-
Publication number: 20100077770Abstract: The refrigerator includes a vegetable compartment (107) thermally insulated by a rear partition (111), and a mist generation department (139) for atomizing a mist into the vegetable compartment (107), and the mist generation department (139) includes a atomizing electrode (135) for atomizing the mist into the vegetable compartment (107), a voltage applicator (133) for applying a voltage to the atomizing electrode (135), and a cooling pin (134) coupled to the atomizing electrode (135), in which the atomizing electrode (135) is cooled to a temperature lower than the dew point by a outlet air-duct for freezer compartment (141), and the moisture in the air is cooled to condense dew on the atomizing electrode (135), and is atomized as a mist into the vegetable compartment (107), and dew can be condensed from moisture onto the atomizing electrode (135) stably and in a simple configuration, and the freshness of the food is enhanced while the reliability of the refrigerator is enhanced.Type: ApplicationFiled: October 22, 2009Publication date: April 1, 2010Applicant: Panasonic CorporationInventors: Toyoshi Kamisako, Yoshihiro Ueda, Kazuya Nakanishi, Tadashi Adachi, Kazuyuki Hamada, Kiyotaka Tabira, Yasuyuki Okamoto, Kenichi Okabe, Masashi Yuasa, Kenichi Kakita, Kiyoshi Mori, Tosiaki Mamemoto, Katsunori Horii
-
Publication number: 20100071358Abstract: A hydraulic system of a work machine with a hydraulically controlled implement includes: an operating oil flow passage for flowing operating oil from a main pump; a boost flow oil passage for supplying operating oil to the operating oil flow passage; a connection unit for connecting the implement which is provided downstream of the confluence on the operating oil flow passage; a controller for controlling the high-flow valve; and a high-flow switch which is connected to the controller and is configured to effect or cancel a command of the amount increase on a high-flow valve. Annunciation is made when the connection unit is connected to a high-flow actuator for the implement requiring an amount increase of the operating oil, and the amount increase is effected by the high-flow valve in accordance with an operation of the high-flow switch.Type: ApplicationFiled: April 2, 2009Publication date: March 25, 2010Applicant: KUBOTA CORPORATIONInventors: Yoshihiro Ueda, Keisuke Miura
-
Publication number: 20100073992Abstract: A semiconductor memory device includes a memory cell having a first resistance state and a second resistance state, a bit line connected to the memory cell, a reference cell fixed to the first resistance state, a reference bit line connected to the reference cell, and a generation circuit configured to generate a reading voltage and a reference voltage. The generation circuit includes a constant current source connected to a first node, a first replica cell connected between the first node and a second node and fixed to the first resistance state, a second replica cell connected between the second node and a third node and fixed to the second resistance state, a first resistance element connected between the first node and a fourth node, and a second resistance element connected between the fourth node and the third node.Type: ApplicationFiled: September 14, 2009Publication date: March 25, 2010Applicant: KABUSHIKI KAISHA TOSHIBAInventor: Yoshihiro UEDA