Patents by Inventor Seiji Ohno
Seiji Ohno 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: 20120249712Abstract: A light-emitting chip includes plural light-emitting thyristors having a first anode terminal, a first cathode terminal, and a first gate terminal, plural setting thyristors having a second anode terminal, a second cathode terminal, and a second gate terminal and setting the absolute value of a threshold voltage of each light-emitting thyristor to be smaller than that in an OFF state, plural transmission thyristors having a third anode terminal, a third cathode terminal, and a third gate terminal and setting the absolute value of a threshold voltage of each setting thyristor to be smaller than that in an OFF state, plural first connecting resistors connecting the first gate terminals and the second gate terminals, plural second connecting resistors connecting the second gate terminals and the third gate terminals, and plural third connecting resistors connecting the first gate terminals to a power supply line supplied with a source potential.Type: ApplicationFiled: August 15, 2011Publication date: October 4, 2012Applicant: FUJI XEROX CO., LTD.Inventor: Seiji OHNO
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Publication number: 20120249715Abstract: A light emitting apparatus includes a plurality of light emitting chips, a first wire, a second wire, a third wire, and a fourth wire. The plurality of light emitting chips each have a plurality of light emitting devices and are divided into a plurality of chip groups, the light emitting devices in each of the light emitting chips being divided into a plurality of device groups. The first wire transmits in common a transmission signal to the light emitting chips. The second wire transmits in common a first selection signal to a given chip group of the light emitting chips. The third wire transmits in common a second selection signal to a set of the device groups. The fourth wire transmits a turn-on control signal to each of the chip groups.Type: ApplicationFiled: August 1, 2011Publication date: October 4, 2012Applicant: FUJI XEROX CO., LTD.Inventor: Seiji Ohno
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Patent number: 8278329Abstract: The invention relates to a compound represented by the following general formula (1) or its analogue, which selectively inhibit N-type calcium channels or its analogue, and to a method for treating pain etc. comprising the compound represented by the following general formula (1) or its analogue to a patient in need of such treatment: wherein, A represents CH?CH, etc., a, b, c and d represents CH etc., R1, R2, R3, R4, R5 and R6 represents H etc., V—W represents C?C, etc., n represents 0 to 3, Y1 represents O etc., B represents —(CH2)vCHR21 wherein v is 0 to 3, R21 represents H, a lower alkyl group or the like, etc., G represents —CO—, a covalent bond, etc., m is 0 to 6, R7 and R8 represents H, a lower alkyl group, —COR18a, —COOR20 wherein R18a and R20 each represents a lower alkyl group or the like, etc.Type: GrantFiled: October 26, 2007Date of Patent: October 2, 2012Assignee: Ajinomoto Co., Inc.Inventors: Takashi Yamamoto, Seiji Niwa, Kayo Otani, Seiji Ohno, Hajime Koganei, Satoshi Iwayama, Akira Takahara, Yukitsugu Ono, Tomoko Takeda, Shinichi Fujita, Keiko Moki
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Patent number: 8274539Abstract: A light-emitting element array drive device includes: plural light-emitting elements; plural switch elements electrically connected mutually in an array and respectively to the light-emitting elements, and setting the respective light-emitting elements ready to emit light when turned on, and unready to emit light when turned off; a transfer signal supply unit supplying transfer signals for getting the switch elements turned-on by sequentially switching each switch element from being turned-off to turned-on, and to turned-off, where periods during which the respective switch elements are turned on are displaced so that each two periods for two of the switch elements adjacently-connected overlap; and a light-emission signal supply unit supplying a light-emission signal having light-emitting periods for the light-emitting elements, where an end point of each light-emitting period is set based on a start point of the above overlap, while a start point thereof is set before each end point.Type: GrantFiled: September 1, 2009Date of Patent: September 25, 2012Assignee: Fuji Xerox Co., Ltd.Inventor: Seiji Ohno
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Patent number: 8207994Abstract: The light-emitting device includes: light-emitting elements linearly arrayed at intervals corresponding to a first resolution; switch elements electrically connected to the light-emitting elements; a transfer signal supply unit supplying a transfer signal for transmitting an on state among the switch elements by alternately repeating operations of turning on one switch element and turning on two adjacent switch elements including the one switch element; and a light-emission signal supply unit supplying a light-emission signal corresponding to a second resolution being a half of the first resolution, at supply timing changed according to whether in a first mode for causing an odd-numbered light-emitting element and a next even-numbered one to emit light as a pair, or the second mode for causing an even-numbered light-emitting element and a next odd-numbered one to emit light as a pair, the light-emitting elements arrayed at positions corresponding to the numbers.Type: GrantFiled: August 18, 2009Date of Patent: June 26, 2012Assignee: Fuji Xerox Co., Ltd.Inventor: Seiji Ohno
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Patent number: 8193714Abstract: The light-emitting device includes: a setting unit switching a potential difference between anode and cathode electrodes alternately between first and second potential differences so that light-emitting thyristors are caused to have one of the first and second potential differences in common; a specifying unit sequentially specifying, as a target for controlling, one light-emitting thyristor; a supply unit alternately supplying transition voltage for causing specified light-emitting thyristor to transition from the off state to the on state and maintaining voltage for keeping the thyristor being in the off state to a gate electrode of the thyristor, in a light-emission control period during which the specifying unit specifies the target and the setting unit sets the second potential difference; and an adjusting unit that adjusts a light-emitting period of the one light-emitting thyristor by supplying the maintaining voltage and stopping supplying the voltage at a variable timing, in the light-emission controlType: GrantFiled: May 18, 2009Date of Patent: June 5, 2012Assignee: Fuji Zerox Co., Ltd.Inventor: Seiji Ohno
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Patent number: 8194111Abstract: The light-emitting element head is provided with: plural light-emitting element chips in each of which light-emitting elements are arrayed in a line; a lighting signal supply unit supplying lighting signals for setting whether or not the light-emitting elements emit light, each of the lighting signals being provided in common to the light-emitting element chips that belong to one of N groups into which the plural light-emitting element chips are divided, where N is an integer of 2 or more; and a clock signal supply unit supplying a first clock signal as a transfer signal for causing the light-emitting elements to sequentially emit light, and second clock signals for setting the light-emitting elements ready to emit light, the second clock signals being different from one another, being supplied to the respective light-emitting element chips belonging to the one of the N groups, and being supplied in common across the N groups.Type: GrantFiled: April 22, 2009Date of Patent: June 5, 2012Assignee: Fuji Xerox Co., Ltd.Inventor: Seiji Ohno
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Publication number: 20120120176Abstract: A light-emitting chip includes: a substrate; plural light-emitting elements arrayed in line on the substrate, each of the light-emitting elements including a light-emitting region having a length in an array direction of the array different from a length in a direction orthogonal to the array direction; and a light-up current supplying interconnection including plural connecting portions, each of the connecting portions being provided on the light-emitting region of a corresponding one of the light-emitting elements in a shorter direction of the light-emitting region either the array direction or the direction orthogonal to the array direction, each of the connecting portions being connected to an electrode provided on the light-emitting region, the light-up current supplying interconnection supplying a current for lighting up to the plural light-emitting elements through the plural connecting portions.Type: ApplicationFiled: April 11, 2011Publication date: May 17, 2012Applicant: FUJI XEROX CO., LTD.Inventors: Taku KINOSHITA, Yoshinao KONDOH, Seiji OHNO
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Patent number: 8134178Abstract: According to an aspect of the invention, a light-emitting element includes a shift thyristor, a light emitting thyristor, and a vertical type gate load resistor. The shift thyristor includes a first anode layer, a first gate layer, and a first cathode layer. The light-emitting thyristor includes a second anode layer, a second gate layer, and a second cathode layer. The vertical type gate load resistor is arranged on the first gate layer under a power line and limits a current flowing from the first gate layer and the second gate layer to the power line.Type: GrantFiled: January 28, 2010Date of Patent: March 13, 2012Assignee: Fuji Xerox Co., Ltd.Inventor: Seiji Ohno
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Patent number: 8134585Abstract: A light-emitting element head includes: plural light-emitting element array chips that are divided into plural groups and that each are provided with light-emitting elements arranged in an array; a signal generation unit that generates a light-emission control signal for controlling blinking of the light-emitting elements, and an identification signal for identifying which of the light-emitting element array chips in each of the groups the light-emission control signal is for; signal lines through which the light-emission control signal and the identification signal are transmitted; and identification signal discrimination units that are connected to the signal lines and that are provided in the respective light-emitting element array chips, each of the identification signal discrimination units discriminating the identification signal, and transmitting the light-emission control signal to the light-emitting elements.Type: GrantFiled: August 31, 2009Date of Patent: March 13, 2012Assignee: Fuji Xerox Co., Ltd.Inventors: Seiji Ohno, Toshihiko Furuichi
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Publication number: 20110274465Abstract: A light-emitting device includes: plural light-emitting array units that each include plural light-emitting elements, and for which lighting up and not lighting up are controlled by using a combination of a selection signal for selecting a control target for lighting up or not lighting up and a light-up signal for supplying power for lighting up to each light-emitting element forming the plural light-emitting elements; a selection signal generating unit that sends plural selection signals including the selection signal to the plural light-emitting array units; and a light-up signal generating unit that sends plural light-up signals including the light-up signal to the plural light-emitting array units.Type: ApplicationFiled: October 29, 2010Publication date: November 10, 2011Applicant: FUJI XEROX CO., LTD.Inventor: Seiji OHNO
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Publication number: 20110234739Abstract: A light-emitting device includes: light-emitting chips each including light-emitting elements and memory elements corresponding to each other, each memory element memorizing a light-emitting element to light up, each light-emitting chip being capable of lighting up the light-emitting elements in parallel; a unit to transmit an enable signal in common to light-emitting chips belonging to each of M groups obtained by dividing the light-emitting chips, the enable signal enabling selection of light-emitting elements to light up; a unit to transmit a write signal in common to light-emitting chips belonging to each of N classes obtained by dividing the light-emitting chips, the write signal setting memory elements corresponding to the light-emitting elements to light up, to a memory state or not, in the light-emitting chips where the selection is enabled; and a unit to transmit light-up signals for lighting up to light-emitting elements corresponding to memory elements in the memory state.Type: ApplicationFiled: October 12, 2010Publication date: September 29, 2011Applicant: FUJI XEROX CO., LTD.Inventor: Seiji OHNO
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Publication number: 20110234740Abstract: A light-emitting device includes: plural light-emitting chips each having plural light-emitting elements, and each being designated, as a control target for lighting up or not lighting up, by two to Q designation signals (Q is an integer of two or more); and a selection signal generating part that selectively transmits P selection signals (P is an integer of three or more where P>Q) as the designation signals to designate each of the plural light-emitting elements as the control target, the designation signals for each of the plural light-emitting chips including a combination of two to Q selection signals taken from the P selection signals.Type: ApplicationFiled: October 28, 2010Publication date: September 29, 2011Applicant: FUJI XEROX CO., LTD.Inventor: Seiji OHNO
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Patent number: 8004550Abstract: The light-emitting element head includes: a first signal supply unit supplying a first signal for sequentially specifying a plurality of light-emitting elements one by one as a control target for control in common to light-emitting element chips; a second signal supply unit supplying second signals for giving an instruction to emit or not to emit light to one of the elements specified as the control target to a set of light-emitting element chips so that each of the signals is supplied in common to plural light-emitting element chips belonging to each of N groups into which the set of chips are divided; and an enable signal supply unit that supplies enable signals for allowing the set of chips to receive the second signals which are different from one another so that the enable signals are supplied respectively to the chips belonging to each of the N groups.Type: GrantFiled: May 19, 2009Date of Patent: August 23, 2011Assignee: Fuji Xerox Co., Ltd.Inventor: Seiji Ohno
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Patent number: 7989825Abstract: A lens-attached light-emitting element having an improved optical availability efficiency includes a composite lens provided on an approximately U-shaped light-emitting area of the light emitting element array. Four spherical lenses are arranged in such a manner that each is centered in the neighborhood the an end of a respective one of three segments of a U-shaped polygonal line corresponding to positions where light emitted by the U-shaped light-emitting area is a maximum Three cylindrical lens are arranged between two of the spherical lens, respectively, each cylindrical lens having an axis parallel with each segment. These four spherical lenses and three cylindrical lenses together constitute the composite lens. The light-emitting element further comprises an antireflection film covering the light-emitting area, and the composite lens is formed on the surface of the antireflection film.Type: GrantFiled: June 24, 2004Date of Patent: August 2, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Kenjiro Hamanaka, Takahiro Hashimoto, Hideshi Nagata, Seiji Ohno, Isao Muraguchi, Nobuyuki Komaba
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Publication number: 20110069132Abstract: A light-emitting device includes: plural light-emitting elements arrayed in line; and a light-up signal wiring including block wirings that connect the plural light-emitting elements divided into plural blocks being units for controlling turning on and off of the light-emitting elements, that supply electric power for light emission to the light-emitting elements belonging to each of the blocks, and a main wiring that extends from a feeding point and to which the block wirings are connected.Type: ApplicationFiled: May 4, 2010Publication date: March 24, 2011Applicant: FUJI XEROX CO., LTD.Inventor: Seiji Ohno
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Publication number: 20110062451Abstract: According to an aspect of the invention, a light-emitting element includes a shift thyristor, a light emitting thyristor, and a vertical type gate load resistor. The shift thyristor includes a first anode layer, a first gate layer, and a first cathode layer. The light-emitting thyristor includes a second anode layer, a second gate layer, and a second cathode layer. The vertical type gate load resistor is arranged on the first gate layer under a power line and limits a current flowing from the first gate layer and the second gate layer to the power line.Type: ApplicationFiled: January 28, 2010Publication date: March 17, 2011Applicant: FUJI XEROX CO., LTD.Inventor: Seiji Ohno
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Publication number: 20110058009Abstract: The light-emitting device includes: a self-scanning light-emitting element array including: light-emitting elements; memory elements; and switch elements; and a light-up controller supplying a transfer signal setting ON of the switch elements, a memory signal causing, in a case where a switch element corresponding to a light-emitting element forming a group is set at the ON state, a corresponding memory element to be temporarily changed from OFF to ON if the light-emitting element is to light up, and the corresponding memory element to be kept in OFF if the light-emitting element is not to light up, and then causing the memory element having been temporarily changed to the ON state to be temporarily set at ON again, and a light-up signal for each group, the light-up signal causing a light-emitting element to be set at ON after causing a memory element to be set at ON.Type: ApplicationFiled: January 26, 2010Publication date: March 10, 2011Applicant: FUJI XEROX CO., LTD.Inventor: Seiji Ohno
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Patent number: D652534Type: GrantFiled: September 8, 2009Date of Patent: January 17, 2012Assignee: Fuji Xerox Co. Ltd.Inventors: Kenjiro Hamanaka, Takahiro Hashimoto, Hideshi Nagata, Seiji Ohno
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Patent number: D652535Type: GrantFiled: September 8, 2009Date of Patent: January 17, 2012Assignee: Fuji Xerox Co. Ltd.Inventors: Kenjiro Hamanaka, Takahiro Hashimoto, Hideshi Nagata, Seiji Ohno