Patents by Inventor Koji Okubo
Koji Okubo 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: 8378767Abstract: Two electromagnetic contact devices 1a, 1b are arranged adjacently, a reversible unit 2 is detachably mounted on these electromagnetic contact devices, and two auxiliary contact point units 4a, 4b are detachably mounted on the reversible unit. In addition, two surge absorption units 3a, 3b are detachably mounted on the electromagnetic contact devices.Type: GrantFiled: June 14, 2010Date of Patent: February 19, 2013Assignee: Fuji Electric FA Components & Systems Co., Ltd.Inventors: Koji Okubo, Koetsu Takaya, Yasuhiro Naka, Toshikatsu Ohgami
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Patent number: 8350647Abstract: A plurality of terminal chambers (20a) to (20e) is formed in a housing (16) by using a plurality of partition walls (24a) to (24e) to partition. In the terminal chambers, fixed contactors (31) each having a fixed contact point (31d) and a terminal screw (31a) are mounted. Engaged portions (31b) are formed integrally with the fixed contactors. Further, a press-fit engaging portion (26) is provided in each of the terminal chambers. The terminal chamber is formed as a space different from a space accommodating a movable contact point support, and the press-fit engaging portion is engaged by the engaged portion by press-fitting.Type: GrantFiled: June 14, 2010Date of Patent: January 8, 2013Assignee: Fuji Electric Fa Components & Systems Co., Ltd.Inventors: Kouetsu Takaya, Koji Okubo, Yasuhiro Naka, Toshikatsu Ohgami, Kenji Suzuki
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Publication number: 20130002381Abstract: A reversible unit (10) is attached by being mounted over a pair of adjacently disposed electromagnetic contactors (1a) and (1b). The reversible unit (10) includes a pair of interlock plates (11) and (12), a lock piece (13), and a unit case (10b) accommodating the pair of interlock plates (11) and (12) and the lock piece (13). The lock piece (13) rotates in a first direction with the movement of one of the interlock plates (12) in a turn-on operation of one of the electromagnetic contactors (1a) to prevent the movement of the other interlock plate (11), and rotates in a second direction different from the first direction with the movement of the other interlock plate (11) in a turn-on operation of the other electromagnetic contactor (1b) to prevent the movement of one of the interlock plates (12). The unit case (10b) is provided with a lock piece display window (10g) which allows determination of the rotation of the lock piece (13) in the first direction or the second direction.Type: ApplicationFiled: September 13, 2010Publication date: January 3, 2013Applicant: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD.Inventors: Kouetsu Takaya, Koji Okubo, Yasuhiro Naka, Kenji Suzuki
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Patent number: 8324993Abstract: Within a case (4), are accommodated an electromagnet (8) having a fixed core (8c) and a movable core (8d) capable of contacting and separating from the fixed core (8c); a movable contact point support (7a) which moves in parallel with the movable core; a return spring (7b) which causes the movable contact point support to return to an initial position; and a driving lever (9) which rotates with a rotation support point portion (9a) provided on one end thereof as a support point, and which transmits attraction movement and release movement of the movable core to the movable contact point support. The rotation support point portion of the driving lever is fitted into and supported by a support point recess (5a) provided in an inner face of an extinction cover (5) mounted on the case.Type: GrantFiled: June 14, 2010Date of Patent: December 4, 2012Assignee: Fuji Electric FA Components & Systems Co., Ltd.Inventors: Yasuhiro Naka, Toshikatwsu Ohgami, Koji Okubo, Kouetsu Takaya, Kenji Suzuki
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Patent number: 8324994Abstract: An electromagnetic contactor (1a) is provided with an erroneous mounting prevention unit (8) which permits an entry of a connection piece when a connection piece (6f) of a reversible unit (6) attempts to enter a normal position (NP) inside a display window (3a) where the connection piece is connectable to an operation display piece (4a), and prevents the entry of the connection piece when the connection piece attempts to enter a position inside the display window (3a) deviated from the normal position (NP).Type: GrantFiled: June 14, 2010Date of Patent: December 4, 2012Assignee: Fuji Electric FA Components & Systems Co., Ltd.Inventors: Yasuhiro Naka, Toshikatsu Ohgami, Koji Okubo, Kouetsu Takaya, Kenji Suzuki
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Publication number: 20120295989Abstract: A method for producing a gel-like oily composition including the following components (A), (B), and (C): (A) 4 to 60% by weight of a sphingosine represented by the formula (1) (wherein R1 represents a hydrocarbon group having 4 to 30 carbon atoms; Y represents a methylene group, a methine group, or an oxygen atom; X1, X2, and X3 each represent a hydrogen atom, a hydroxyl group, or an acetoxy group; X4 represents a hydrogen atom, an acetyl group, or a glyceryl group or forms an oxo group together with the adjacent oxygen atom; R2 and R3 each represent a hydrogen atom, a hydroxyl group, a hydroxymethyl group, or an acetoxymethyl group; “R”s each represent a hydrogen atom or an amidino group or represent a hydrocarbon group having a total of 1 to 8 carbon atoms; “a” represents a number of 2 or 3; and a bond represented by a broken line and a solid line indicates a saturated bond or an unsaturated bond); (B) 0.5 to 10% by weight of an anionic polymer having a carboxyl group; and (C) 30 to 95.Type: ApplicationFiled: December 27, 2010Publication date: November 22, 2012Applicant: KAO CORPORATIONInventor: Koji Okubo
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Publication number: 20120280771Abstract: A reversible unit (20) has a pair of interlock plates (21, 22) detachably connected to operation indication pieces (4a, 4b) of a pair of electromagnetic contactors (1a, 1b) and moving in the same direction as the moving direction of the operation indication pieces, a lock piece (23) connecting with the pair of interlock plates (21, 22), a first normally-closed contact (24), and a second normally-closed contact (25). In a closing operation of one of the electromagnetic contactors (1a), the lock piece (23) moves one of the interlock plates (21) and prohibits the movement of the other interlock plate (22). The first normally-closed contact (24) is connected in series in a power supply circuit to an exciting coil (6b) of the other electromagnetic contactor (1b). One of the interlock plates (21) has a first opening operation engagement portion (34) releasing the first normally-closed contact (24) when the interlock plate (21) moves.Type: ApplicationFiled: September 13, 2010Publication date: November 8, 2012Applicant: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD.Inventors: Kouetsu Takaya, Koji Okubo, Yasuhiro Naka, Kenji Suzuki
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Publication number: 20120268224Abstract: A mounting unit for an electromagnetic contactor can prevent erroneous mounting of a non-mountable unit in a state in which a mountable unit is mounted on a case-side mounting portion, and a connection structure of an electromagnetic contactor uses the mounting unit. A mounting unit (3) for an electromagnetic contactor can be mounted on electromagnetic contactors (2a, 2b) having on a unit attaching portion (6b) a contactor-side mounting preventing portion (6f) that prevents mounting by engagement when a non-mountable unit, which cannot be mounted, is mounted. In the mounting unit (3), a unit main body (39) is provided with a mounting preventing transfer member (51) that forms a unit-side mounting preventing portion (54) that engages with a contactor-side mounting preventing portion (6f) when mounted on the electromagnetic contactors (2a, 2b) and prevents mounting of the non-mountable unit on a unit mounting portion (3g) onto which the non-mountable units (5a, 5b) are mounted.Type: ApplicationFiled: September 13, 2010Publication date: October 25, 2012Applicant: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD.Inventors: Yasuhiro Naka, Koji Okubo, Kouetsu Takaya, Kenji Suzuki
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Publication number: 20120263671Abstract: A method for producing an aqueous cosmetic composition containing the following components (A), (B) and (C): (A) a primary amine, a secondary amine, a tertiary amine or a quaternary amine having 12 to 60 carbons in total, (B) an anionic polymer having a carboxyl group, and (C) water, and, containing: a liquid crystal constituted by the components (A), (B) and (C); obtained by mixing the components (A), (B) and (C); heating the mixture to a temperature equal to or higher than the melting point of the component (A) to homogenize the mixture; and neutralizing the component (B) with the component (A) to form a salt.Type: ApplicationFiled: June 28, 2012Publication date: October 18, 2012Applicant: KAO CORPORATIONInventor: Koji OKUBO
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Patent number: 8289111Abstract: The electromagnetic contactor enables a reliable return to a pole open position without increasing the spring force of a return spring. In an electromagnetic contactor, an electromagnetic device having an exciting coil and a contact mechanism having a return spring are disposed in parallel, and the electromagnetic device and contact mechanism are linked by a drive lever. The electromagnetic device has a polarized electromagnet having a magnetic circuit that includes a permanent magnet generating a suction force that moves the contact mechanism to a pole open position side when the exciting coil is not energized. The drive lever is fixed to either one of the electromagnetic device or contact mechanism and contacts with the other with no gap at least when the contact mechanism is moved to the pole open position side. The return force of the contact mechanism is covered by the suction force of the permanent magnet.Type: GrantFiled: June 14, 2010Date of Patent: October 16, 2012Assignee: Fuji Electric Fa Components & Systems Co., Ltd.Inventors: Yasuhiro Naka, Toshikatsu Ohgami, Koji Okubo, Kouetsu Takaya, Kenji Suzuki
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Publication number: 20120249271Abstract: There is provided an electromagnetic contactor unit capable of firmly connecting electromagnetic contactors without influencing outer dimensions when the electromagnetic contactors are connected to each other. The electromagnetic contactor unit connected at least two juxtaposed electromagnetic contactors (2a, 2b) with a connection piece (42). The electromagnetic contactor includes an attachment hole (41a) formed in each corner of an attachment plate portion, a piece accommodation concave portion (43) fitting a half portion of the connection piece formed above the attachment hole and accommodating within an outer dimension, and is opened to a connection surface with the adjacent electromagnetic contactor, and a locking portion (44) locking the connection piece formed in the piece accommodation concave portion.Type: ApplicationFiled: September 13, 2010Publication date: October 4, 2012Applicant: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD.Inventors: Yasuhiro Naka, Koji Okubo, Kouetsu Takaya, Kenji Suzuki
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Publication number: 20120240366Abstract: A movable hook portion (13) provided in a unit side coupling surface (2a) of an accessory unit (2) includes a hook portion main body (14), which is formed with a movable claw (23a) and a pressed piece (22), and a straight spring (15), slidably accommodates the hook portion main body (14) in a main body accommodation concave portion (16) formed in the unit side coupling surface (2a), and accommodates the straight spring (15) in a spring accommodation concave portion (17a) formed in the unit side coupling surface (2a) so as to be orthogonal to a sliding direction of the hook portion main body (14), with a middle portion in a length direction of the spring being engaged with the hook portion main body (14).Type: ApplicationFiled: September 13, 2010Publication date: September 27, 2012Inventors: Kouetsu Takaya, Koji Okubo, Yasuhiro Naka, Kenji Suzuki
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Patent number: 8274346Abstract: An electromagnetic contact device has a contactor holder (40), which moves a mounted movable contactor (42a) according to a displacement of a movable core (32) forming an electromagnet (30) for operation. The contactor holder (40) is being housed together with the electromagnet (30) for operation in a case (1). The case (1) has a lower case portion (10) housing the electromagnet (30) for operation and an upper case portion (20) engaging with the lower case portion (10) while being stacked on the lower case portion and houses the contactor holder (40) advanced from above. The upper case portion (20) has a recess (21) with an upward opening and houses the contactor holder (40) placed on the bottom wall of the recess (21). The lower case portion (10) houses one selected either a DC-only electromagnet (30b) or an AC-only electromagnet (30a).Type: GrantFiled: June 2, 2010Date of Patent: September 25, 2012Assignee: Fuji Electric FA Components & Systems Co., Ltd.Inventors: Kouetsu Takaya, Koji Okubo, Yasuhiro Naka, Toshikatsu Ohgami, Kenji Suzuki
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Publication number: 20120161908Abstract: A polarized electromagnet that can suppress magnetic flux leakage in a position that does not affect the suction force between an interior yoke and an exterior yoke, and increase the suction force of a permanent magnet is provided. A polarized electromagnet includes a spool 11 around which an electromagnetic coil is wound, a movable plunger 15 penetrating the spool, an interior yoke 22 fixed on the outer side of the spool, an exterior yoke 21 disposed to maintain a predetermined interval on the outer side of the interior yoke, and a permanent magnet 24 disposed between the interior yoke and exterior yoke. The exterior yoke 21 is formed of a pair of end plate portions 21a and 21b opposing either end of the spool, and a linking plate portion 21c linking the end plate portions, and the interior yoke 22 has a first opposing plate portion 22a opposing the linking plate portion 21c of the exterior yoke, and second opposing plate portions 22d and 22e opposing the one end plate portion 21b of the exterior yoke.Type: ApplicationFiled: June 14, 2010Publication date: June 28, 2012Applicant: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD.Inventors: Yasuhiro Naka, Toshikatsu Ohgami, Koji Okubo, Kouetsu Takaya, Kenji Suzuki
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Publication number: 20120146750Abstract: An electromagnetic contact device has a terminal base (18) formed on one end of a coil frame around which a winding of an electromagnetic coil is wound; a terminal (20a) which can be connected to external wiring, and a winding wire binding portion (20e) which can bind an end portion of the winding, wound around the coil frame to establish connection. The coil terminal (20) is a component formed by integrating the terminal (20a), the winding wire binding portion (20e), and a portion to be engaged (20b). This coil terminal (20) is mounted by press-fitting a press-fit engaging portion (18b), which is formed in the terminal base (18), in the portion to be engaged (20b) to establish engagement.Type: ApplicationFiled: June 14, 2010Publication date: June 14, 2012Applicant: Fuji Electric FA components & Systems Co., Ltd.Inventors: Kouetsu Takaya, Koji Okubo, Yasuhiro Naka, Toshikatsu Ohgami, Kenji Suzuki
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Publication number: 20120139673Abstract: Within a case (4), are accommodated an electromagnet (8) having a fixed core (8c) and a movable core (8d) capable of contacting and separating from the fixed core (8c); a movable contact point support (7a) which moves in parallel with the movable core; a return spring (7b) which causes the movable contact point support to return to an initial position; and a driving lever (9) which rotates with a rotation support point portion (9a) provided on one end thereof as a support point, and which transmits attraction movement and release movement of the movable core to the movable contact point support. The rotation support point portion of the driving lever is fitted into and supported by a support point recess (5a) provided in an inner face of an extinction cover (5) mounted on the case.Type: ApplicationFiled: June 14, 2010Publication date: June 7, 2012Applicant: Fuji Electric FA components & Systems Co., Ltd.Inventors: Yasuhiro Naka, Toshikatsu Ohgami, Koji Okubo, Kouetsu Takaya, Kenji Suzuki
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Publication number: 20120138759Abstract: First fitting portions (9a and 9b) and second fitting portions (9c and 9d) are arranged in a hook shape on the bottom (3a) of a housing to face each other. The first fitting portions are fittingly engaged to one rail edge (2a) of a rail (2) in the width direction and the second fitting portions are fittingly engaged to the other rail edge (2b) of the rail. A linear spring (10) bent in a mountain shape is disposed on the bottom of the housing. The linear spring elastically deforms to reduce the inclination angle of the mountain by contacting the end surface of the one rail edge engaged to the first fitting portions. The urging force of the linear spring urges the rail such that the other rail edge is pressed by the second fitting portions.Type: ApplicationFiled: June 14, 2010Publication date: June 7, 2012Applicant: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD.Inventors: Kouetsu Takaya, Koji Okubo, Yasuhiro Naka, Kenji Suzuki
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Publication number: 20120139672Abstract: An extinction cover (5) is mounted on a case (4) thereby sealing an extinction chamber (S). This extinction cover has an engaging-force-increased portion (5c1) which strengthens the force of engagement with the case, and an engaging-force-decreased portion (5c2) which weakens the force of engagement with the case. In response to an increase in internal pressure in the extinction chamber due to arc gas generation, the engaging-force-decreased portion establishes disengagement of the case and provides a gap (27) with the case, for linking the extinction chamber to external air, and the engaging-force-increased portion maintains engagement with the case.Type: ApplicationFiled: June 14, 2010Publication date: June 7, 2012Applicant: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTDInventors: Kouetsu Takaya, Koji Okubo, Yasuhiro Naka, Kenji Suzuki
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Publication number: 20120133462Abstract: The electromagnetic contactor enables a reliable return to a pole open position without increasing the spring force of a return spring. In an electromagnetic contactor, an electromagnetic device having an exciting coil and a contact mechanism having a return spring are disposed in parallel, and the electromagnetic device and contact mechanism are linked by a drive lever. The electromagnetic device has a polarized electromagnet having a magnetic circuit that includes a permanent magnet generating a suction force that moves the contact mechanism to a pole open position side when the exciting coil is not energized. The drive lever is fixed to either one of the electromagnetic device or contact mechanism and contacts with the other with no gap at least when the contact mechanism is moved to the pole open position side. The return force of the contact mechanism is covered by the suction force of the permanent magnet.Type: ApplicationFiled: June 14, 2010Publication date: May 31, 2012Applicant: Fuji Electric FA Components & Systems Co., Ltd.Inventors: Yasuhiro Naka, Toshikatsu Ohgami, Koji Okubo, Koetsu Takaya, Kenji Suzuki
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Publication number: 20120133461Abstract: An electromagnetic contactor (1a) is provided with an erroneous mounting prevention unit (8) which permits an entry of a connection piece when a connection piece (6f) of a reversible unit (6) attempts to enter a normal position (NP) inside a display window (3a) where the connection piece is connectable to an operation display piece (4a), and prevents the entry of the connection piece when the connection piece attempts to enter a position inside the display window (3a) deviated from the normal position (NP).Type: ApplicationFiled: June 14, 2010Publication date: May 31, 2012Applicant: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD.Inventors: Yasuhiro Naka, Toshikatsu Ohgami, Koji Okubo, Kouetsu Takaya, Kenji Suzuki