Patents by Inventor Naoki Kojima
Naoki Kojima 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: 20170149046Abstract: A secondary battery includes a diaphragm which is disposed on a current path between a current collector plate connected to a wound electrode group in a battery container and an external terminal, deforms when an internal pressure of the battery container increases, and breaks the current path. The diaphragm has a convex portion which protrudes to the current collector plate. The current collector plate has a through-hole into which the convex portion is inserted. An inner wall portion of the through-hole and a side wall portion of the convex portion facing each other are welded.Type: ApplicationFiled: July 24, 2014Publication date: May 25, 2017Inventors: Kazuaki URANO, Keisuke SAWADA, Shou SAIMARU, Naoki KOJIMA
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Patent number: 9660559Abstract: A brushless motor comprises: a stator 21 having armature coils 21a, 21b, and 21c; a rotor 22 which is rotated by a revolving magnetic field; and a switching element 30a, wherein the brushless motor has a rotation number control unit 33 which switches between low-speed and high-speed mode, wherein in the low-speed mode, the rotation number control unit 33 supplies current to the armature coils 21a, 21b, and 21c at predetermined energization timing and controls a duty ratio to control the rotation number of the rotor 22, and in the high-speed mode, the rotation number control unit 33 supplies current to the armature coils 21a, 21b, and 21c at energization timing advanced from the energization timing for the low-speed mode, thereby performing field weakening control of weakening the revolving magnetic field from that of the low-speed mode to control the rotation number of the rotor 22.Type: GrantFiled: April 16, 2013Date of Patent: May 23, 2017Assignee: Mitsuba CorporationInventors: Masaaki Kimura, Hiroto Tanaka, Tamotsu Iwazaki, Tomohiko Annaka, Naoki Kojima, Junya Kitazawa
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Publication number: 20170064274Abstract: An image processing apparatus includes a transformation unit, an identification unit, a determination unit, and a processing unit. The transformation unit is configured to perform transformation processing on an input image based on a transformation parameter. The identification unit is configured to identify transformation information related to amounts of transformation respectively between a first plurality of coordinates on a transformed image generated based on the transformation processing and a second plurality of coordinates on the input image corresponding to the first plurality of coordinates. The determination unit is configured to determine a smoothing parameter related to an intensity of smoothing processing for each region of the transformed image based on the transformation information. The processing unit is configured to perform smoothing processing on an image based on the input image, based on the smoothing parameter for each region.Type: ApplicationFiled: August 30, 2016Publication date: March 2, 2017Inventors: Tetsurou Kitashou, Hirokazu Isobe, Naoki Kojima
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Patent number: 9516289Abstract: In a method for inhibiting an object contained in an image from becoming hard to be visually recognized when the image is divided and then projected in order to avoid an area on which a projected image is hard to be visually recognized, if, when an input image is to be divided by an unsuitable-for-projection area, a predetermined object exists at a position where the input image is divided, the position of division of the input image is changed to such a position that the object within an area corresponding to the unsuitable-for-projection area is not divided. Then, on areas that exclude the unsuitable-for-projection area, the divided input images are projected after being adjusted to sizes that match the areas.Type: GrantFiled: January 16, 2015Date of Patent: December 6, 2016Assignee: Canon Kabushiki KaishaInventor: Naoki Kojima
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Publication number: 20160322921Abstract: A brushless motor (18) which supplies currents to coils (U1, U2, V1, V2, W1, and W2) and rotates a rotor (27), the brushless motor comprising a control apparatus (37) which switches and selectively executes: first energization control to start energization to the coils (U1, U2, V1, V2, W1, and W2) at first timing, and to continue the energization for a first period to control the rotation number of the rotor (27); and second energization control to start energization to the coils (U1, U2, V1, V2, W1, and W2) at second timing advanced by an electric angle with respect to the first timing, and to continue the energization for a second period longer than the first period to control the rotation number of the rotor (27).Type: ApplicationFiled: December 22, 2014Publication date: November 3, 2016Inventors: Tomohiko Annaka, Hiroto Tanaka, Naoki Kojima, Toru Furusawa, Tomofumi Kobayashi
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Publication number: 20160301051Abstract: Provided is an assembled battery which can secure airtightness of a flow passage without a need of precise alignment when the flow passage is configured to discharge a gas released from a gas discharge valve and regardless of expansion/contraction of a battery. A battery holder includes a main body member which abuts on a wide surface of a battery housing in the direction of a thickness and an upper member of which one end is fixed to an upper end of the main body member and the other end abuts on an upper surface of the battery housing and is extended in the direction of the thickness. The upper member is formed to surround the gas discharge valve, and abuts on a lower surface of a gas conduit member to form a gas passage from the gas discharge valve to the gas conduit member.Type: ApplicationFiled: January 21, 2015Publication date: October 13, 2016Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Osamu KUBOTA, Naoya TOKOO, Takashi SUZUKI, Naoki KOJIMA
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Publication number: 20160149180Abstract: The present invention proposes a structure of a battery module in which a spacer can slide by means of a guide member constituting the battery module and can be positioned. A battery module according to the present invention is a battery module 9 provided with a battery block 8 in which a plurality of rectangular battery cells 1 are arranged and laminated, and includes a spacer 2 which intervenes between the plurality of battery cells 1, guide members 4 and 5 which slidably support the spacer 2 along a laminating direction of the battery cells 1, and end plates 3 as a pair which are respectively arranged on one side and the other side of the guide members 4 and 5 in a sliding direction and which sandwich the battery block 8 from both sides in the sliding direction.Type: ApplicationFiled: May 28, 2014Publication date: May 26, 2016Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Naoya TOKOO, Osamu KUBOTA, Hidekazu FUJIMURA, Michihiro KIMURA, Naoki KOJIMA, Takashi SUZUKI
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Publication number: 20160126514Abstract: The present invention aims to provide a battery module in which adjacent battery cells can be kept in an insulating state while restricting movement of relative positional displacement of the battery cells with a simple configuration. A battery module (100) according to the present invention is a battery module (100) including a battery block (2) in which a plurality of rectangular battery cells (1) are arranged and laminated, and includes an insulating inter-cell spacer (5) intervening between the plurality of battery cells (1) and double-sided tapes (8) as a pair provided on both surfaces of the inter-cell spacer (5) to respectively fix the paired battery cells (1) adjacent to each other via the inter-cell spacer (5) to the inter-cell spacer (5).Type: ApplicationFiled: June 19, 2013Publication date: May 5, 2016Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Takashi SUZUKI, Michihiro KIMURA, Naoki KOJIMA
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Patent number: 9320727Abstract: Medicaments that depend on a combination of SGLT 2 inhibitors and antihypertensive drugs and which are useful in the treatment of diseases involving at least hypertension or diabetes mellitus as a risk factor of cardiovascular events, as well as methods of treating the diseases are provided. Since the present invention exhibits a superior hypotensive action that cannot be attained by any single antihypertensive drugs, the conventional problems associated with the use of two or more antihypertensive drugs in order to lower the blood pressure to the desired level can be solved. In addition, the present invention shows a marked therapeutic efficacy in diabetes mellitus, a disease associated with diabetes mellitus, or complications of diabetes mellitus, in particular, diabetic nephropathy. As a further advantage, the present invention is also useful for the treatment of diseases involving lowered renal function.Type: GrantFiled: August 30, 2013Date of Patent: April 26, 2016Assignee: TAISHO PHARMACEUTICAL CO., LTDInventors: Naoki Kojima, Richard J. Roman, Noriyuki Miyata, Teisuke Takahashi, Hideki Tomoike, Takuya Takeda
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Publication number: 20160056686Abstract: A motor case (31) in which a stationary portion (35) is fixed, and a gear case (41) in which a gear mechanism (SD) is accommodated are made of aluminium, most heat generated from the stationary portion (35) at the time of actuation of a brushless wiper motor (20) can be directly dissipated outside from the motor case (31). That is, compared with conventional technique, heat transmitted to the motor case (31) can be efficiently dissipated outside, and the motor case (31) does not reach high temperature. Therefore, as a matter of course, reduction in size and weight can be achieved, suppression of electromagnetic noise can be achieved, and heat-resistance strength can be enhanced. Expensive components capable of resisting high temperatures are not required, and reduction in manufacturing cost can be achieved.Type: ApplicationFiled: March 26, 2014Publication date: February 25, 2016Inventors: Takeshi Kanai, Hiroto Tanaka, Tomohiko Annaka, Naoki Kojima, Hirokazu Shoda
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Publication number: 20160036102Abstract: The purpose of the present invention is to provide a battery module capable of preventing refrigerant leakage and achieving size reduction while increasing the number of unit batteries by employing a plurality of battery blocks. The battery module (14) of the present invention has a plurality of battery blocks (1) having a plurality of arranged and connected unit batteries (2), the battery module (14) including a cooling plate (12) coupled with the plurality of unit batteries (1) in a heat transmissible manner, and a cooling pipe (18) detachably attached to the cooling plate (12)and disposed endlessly continuously while spanning at least two of the plurality of battery blocks (1).Type: ApplicationFiled: March 28, 2013Publication date: February 4, 2016Inventors: Takashi SUZUKI, Michihiro KIMURA, Naoki KOJIMA, Yuki EJIRI, Shinsuke SHIMODA
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Publication number: 20160034237Abstract: A device control apparatus (mobile equipment) wirelessly receives specification information related to a specifications of a device from the device when a first connection with the device is established using the short distance wireless communication, performs settings related to a process to be executed in the device depending on the specifications of the device on the basis of the specification information, and executes a process of the settings, which depend on the specifications of the device, in the device when a second connection with the device is established using the short distance wireless communication.Type: ApplicationFiled: July 29, 2015Publication date: February 4, 2016Inventors: Naoki KOJIMA, Taisuke KANEKO
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Publication number: 20150320721Abstract: Medicaments that depend on a combination of SGLT 2 inhibitors and antihypertensive drugs and which are useful in the treatment of diseases involving at least hypertension or diabetes mellitus as a risk factor of cardiovascular events, as well as methods of treating the diseases are provided. Since the present invention exhibits a superior hypotensive action that cannot be attained by any single antihypertensive drugs, the conventional problems associated with the use of two or more antihypertensive drugs in order to lower the blood pressure to the desired level can be solved. In addition, the present invention shows a marked therapeutic efficacy in diabetes mellitus, a disease associated with diabetes mellitus, or complications of diabetes mellitus, in particular, diabetic nephropathy. As a further advantage, the present invention is also useful for the treatment of diseases involving lowered renal function.Type: ApplicationFiled: August 30, 2013Publication date: November 12, 2015Applicant: TAISHO PHARMACEUTICAL CO., LTDInventors: Naoki KOJIMA, Richard J. ROMAN, Noriyuki MIYATA, Teisuke TAKAHASHI, Hideki TOMOIKE, Takuya TAKEDA
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Publication number: 20150270589Abstract: The present invention addresses the problem of obtaining a battery capable of achieving a uniform temperature among a plurality of battery cells in a simple configuration while achieving size and weight reductions, and a battery module using the battery block. The battery block of the present invention has a structure such that a pair of end plates is disposed at both ends of a plurality of battery cells in an arranged direction; first spacers are disposed between the plurality of battery cells; and second spacers are disposed between the battery cells and the end plates. The first spacers have a space for allowing a flow of cooling gas. The second spacers block the flow of the cooling gas between the battery cells and the end plates and have a thermal insulating property for suppressing heat transmission between the battery cells and the end plates.Type: ApplicationFiled: October 11, 2013Publication date: September 24, 2015Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Yuki Ejiri, Naoki Kojima, Michihiro Kimura
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Patent number: 9096270Abstract: A pillar structure for a vehicle includes: a glass to form a vehicle compartment; a pillar to support a roof panel; and a pillar outer cover disposed at an outer side of the pillar. A flow passage is provided between the pillar and the pillar outer cover. The flow passage includes an inlet port, an air-water separator, an air outlet port, and a discharge port. The air outlet port is disposed at a position with a pressure lower than a pressure in a vicinity of the inlet port during running of the vehicle.Type: GrantFiled: September 16, 2013Date of Patent: August 4, 2015Assignee: FUJI JUKOGYO KABUSHIKI KAISHAInventor: Naoki Kojima
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Publication number: 20150208047Abstract: In a method for inhibiting an object contained in an image from becoming hard to be visually recognized when the image is divided and then projected in order to avoid an area on which a projected image is hard to be visually recognized, if, when an input image is to be divided by an unsuitable-for-projection area, a predetermined object exists at a position where the input image is divided, the position of division of the input image is changed to such a position that the object within an area corresponding to the unsuitable-for-projection area is not divided. Then, on areas that exclude the unsuitable-for-projection area, the divided input images are projected after being adjusted to sizes that match the areas.Type: ApplicationFiled: January 16, 2015Publication date: July 23, 2015Inventor: Naoki Kojima
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Patent number: 9085324Abstract: A front pillar structure for a vehicle includes: a windshield; a front door; a front pillar located between the windshield and the front door; a pillar outer cover disposed on an outer surface of the front pillar; and a side mirror. A flow passage for flowing air is formed between the pillar outer cover and the front pillar. An inlet port and an air outlet port are respectively formed at the front and rear of the flow passage. The flow passage is provided with ribs to separate air and rain water from each other. The air outlet port is open toward the rear of the vehicle at a position slightly higher than the upper edge of the door mirror. The air outlet port has a longitudinal dimension approximately one-fifth of the longitudinal dimension of the inlet port.Type: GrantFiled: September 16, 2013Date of Patent: July 21, 2015Assignee: FUJI JUKOGYO KABUSHIKI KAISHAInventor: Naoki Kojima
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Publication number: 20150138222Abstract: An image processing device, for making a plurality of projectors project an image based on an input image signal such that a part of a projection region overlaps, includes an acquiring unit and a generating unit. The acquiring unit acquires distribution information on distribution of a luminance of a displayed image when the projector projects the image based on an image signal in which a pixel value is constant. The generating unit generates an image signal for each projection of the plurality of projectors, by correcting the input image signal by using each distribution information of the plurality of projectors.Type: ApplicationFiled: November 11, 2014Publication date: May 21, 2015Inventors: Kazuhiro Imaizumi, Naoki Kojima, Toshiyuki Ishii, Wataru Suzuki, Futoshi Hachimura, Akihiro Takamura, Eisaku Tatsumi
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Publication number: 20150130329Abstract: An electric motor includes a yoke having a cylindrical section, two pairs of permanent magnets disposed at an inner circumferential surface of the cylindrical section to oppose each other, and an armature rotatably supported further inside in a radial direction than the permanent magnets, wherein at least a pair of first flat sections opposing each other in the radial direction are formed at the cylindrical section, and the permanent magnets are disposed at positions distant from the first flat sections.Type: ApplicationFiled: May 25, 2012Publication date: May 14, 2015Inventors: Yoshichika Kawashima, Teppei Tokizaki, Naoki Kojima
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Publication number: 20150082575Abstract: A brushless motor comprises: a stator 21 having armature coils 21a, 21b, and 21c; a rotor 22 which is rotated by a revolving magnetic field; and a switching element 30a, wherein the brushless motor has a rotation number control unit 33 which switches between low-speed and high-speed mode, wherein in the low-speed mode, the rotation number control unit 33 supplies current to the armature coils 21a, 21b, and 21c at predetermined energization timing and controls a duty ratio to control the rotation number of the rotor 22, and in the high-speed mode, the rotation number control unit 33 supplies current to the armature coils 21a, 21b, and 21c at energization timing advanced from the energization timing for the low-speed mode, thereby performing field weakening control of weakening the revolving magnetic field from that of the low-speed mode to control the rotation number of the rotor 22.Type: ApplicationFiled: April 16, 2013Publication date: March 26, 2015Inventors: Masaaki Kimura, Hiroto Tanaka, Tamotsu Iwazaki, Tomohiko Annaka, Naoki Kojima, Junya Kitazawa