Patents Assigned to Fukoku Co., Ltd.
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Publication number: 20140349333Abstract: The present invention provides a novel method capable of easily and rapidly inspecting the susceptibility of bacteria or fungi to an antimicrobial drug and an inspection system for use in the method. The inspection method of the present invention is a method for inspecting susceptibility of bacteria or fungi to an antimicrobial drug using a micro-device having a flow channel, including: an incubating step of incubating a mixture of the antimicrobial drug and a bacterial suspension to be inspected in the flow channel of the micro-device; and a detecting step of detecting bacteria or fungi derived from the bacterial suspension to be inspected in an observation area of the flow channel of the micro-device. The detecting step can be performed by detecting an increase or decrease in the number of or a change in shape of bacteria or fungi derived from the bacterial suspension to be inspected in the observation area by a microscope or the like.Type: ApplicationFiled: August 31, 2012Publication date: November 27, 2014Applicants: OSAKA UNIVERSITY, FLUIDWARE TECHNOLOGIES INC., FUKOKU CO., LTD.Inventors: Yoshimi Matsumoto, Kohei Hayama, Shouichi Sakakihara, Kunihiko Nishino, Akihito Yamaguchi, Hiroyuki Noji, Ryota Iino
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Publication number: 20140284859Abstract: Disclosed are a bump stopper and a manufacturing method therefor which can maintain the shock-absorbing characteristics and durability performance constantly for a prolonged period of time regardless of the temperature or humidity of the usage environment, which can maintain a constant dimensional precision for a finished product, which is excellent in material yield rate and manufacturing efficiency, and which is low-cost, lightweight, recyclable, and ecological. A bump stopper (1) is provided in the vicinity of a rod of a shock absorber to elastically limit the stroke of the shock absorber at the time of the contraction thereof and to absorb the shock generated at that time. The bump stopper includes a hollow cylindrical bellows part (11) which extends along a stroke direction S of the shock absorber.Type: ApplicationFiled: April 16, 2014Publication date: September 25, 2014Applicant: FUKOKU CO., LTD.Inventors: Kenji NOBUSUE, Tatsuo Yamada
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Patent number: 8796903Abstract: One embodiment provides a piezoelectric vibrator driving circuit for driving a piezoelectric vibrator, the piezoelectric vibrator having an equivalent circuit in which an LC series resonance circuit, an equivalent resistor Rx connected in series thereto and a damping capacitor Co connected in parallel to them are provided, the driving circuit is configured: to detect a driving current Iz flowing through the entire piezoelectric vibrator; to detect a damping current Iy flowing through the damping capacitor Co; to calculate a series resonance current Ix flowing through the LC series resonance circuit by subtracting the detected damping current Iy from the detected driving current Iz; and to perform a phase adjustment so that a phase difference between the calculated series resonance current Ix and a driving voltage Ve to be applied to the piezoelectric vibrator becomes approximately 0.Type: GrantFiled: November 23, 2011Date of Patent: August 5, 2014Assignee: Fukoku Co., Ltd.Inventors: Misao Furuya, Hirohiko Yoshioka, Daisuke Takahata, Fumiaki Honda, Kazuyuki Ueda
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Patent number: 8797362Abstract: Disclosed is a rotary input device including: a rotary operation device; a rotation driving section; a detection section; a force sense presenting section to present a force sense by a combination of at least two of applying the rotary force in a clockwise direction, applying the rotary force in a counterclockwise direction, and stopping applying the rotary force; a display control section; a magnification ratio change instructing section; and a scroll instructing section, wherein the magnification ratio change instructing section instructs enlargement when rotating in one side, and instructs reduction when rotating in the other side; the scroll instructing section instructs on the basis of the depressed position; and the force sense presenting section changes a way of presenting the force sense in order that the operator can perceive a display state pertaining to a display position or a display magnification ratio of the image under display distinguishably.Type: GrantFiled: April 21, 2010Date of Patent: August 5, 2014Assignees: Pro-Tech Design Corporation, Fukoku Co., Ltd.Inventors: Kenji Nagashima, Hirono Tsubota, Takahiko Suzuki, Nobuyuki Sako, Takeshi Kodaira
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Publication number: 20130229339Abstract: There is provided an input device, including: a base; an operation portion; and an oscillatory wave motor including a stator and a rotor, the rotor thrusting the stator, the oscillatory wave motor providing haptic feedback to an operator via the operation portion. Displacement of one of the stator and the rotor from the base in an axial direction is allowed, displacement of the one of the stator and the rotor in a rotational direction is restricted, and the operation portion includes the other one of the stator and the rotor.Type: ApplicationFiled: February 28, 2013Publication date: September 5, 2013Applicant: FUKOKU CO., LTD.Inventors: Daisuke TAKAHATA, Yoshimasa YAMAGUCHI
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Patent number: 8493189Abstract: A haptic feedback controller of the present invention includes: a pointing position detecting sensor which is arranged along a fingertip pointing path and detects a pointing position of a fingertip when a pointing operation is performed along the fingertip pointing path; a haptic feedback imparting device which has a piezoelectric element arranged along the fingertip pointing path and generates vibrations depending on a high frequency voltage when the voltage is applied thereto and an elastic body which is fixed to the piezoelectric element, and imparts predetermined haptic feedback to the fingertip due to vibrations generated by the piezoelectric element; and a piezoelectric element control device which controls the piezoelectric element based on feedback information outputted from controlled equipment.Type: GrantFiled: December 25, 2007Date of Patent: July 23, 2013Assignees: Fukoku Co., Ltd., Pro-Tech Design CorporationInventor: Takahiko Suzuki
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Publication number: 20120133307Abstract: One embodiment provides a piezoelectric vibrator driving circuit for driving a piezoelectric vibrator, the piezoelectric vibrator having an equivalent circuit in which an LC series resonance circuit, an equivalent resistor Rx connected in series thereto and a damping capacitor Co connected in parallel to them are provided, the driving circuit is configured: to detect a driving current Iz flowing through the entire piezoelectric vibrator; to detect a damping current Iy flowing through the damping capacitor Co; to calculate a series resonance current Ix flowing through the LC series resonance circuit by subtracting the detected damping current Iy from the detected driving current Iz; and to perform a phase adjustment so that a phase difference between the calculated series resonance current Ix and a driving voltage Ve to be applied to the piezoelectric vibrator becomes approximately 0.Type: ApplicationFiled: November 23, 2011Publication date: May 31, 2012Applicant: FUKOKU CO., LTD.Inventors: Misao Furuya, Hirohiko Yoshioka, Daisuke Takahata, Fumiaki Honda, Kazuyuki Ueda
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Patent number: 8038554Abstract: An isolation damper pulley comprises a damper section 1 and an isolation pulley section 2 assembled thereto, wherein a first fitting portion 18 constituted from a cylindrical portion concentric with a center axis O of a through hole 13 is provided to a hub 10 of the damper unit 1. The isolation pulley section 2 has a supporting member 22 fixed to a pulley portion 21 via an annular elastic member 23, wherein a second fitting portion 27 concentric with the first fitting portion 18 is provided to the supporting member 22. A third fitting portion 32 concentric with the first fitting portion 18 is provided to a pressing member 31 applying a precompression to the annular elastic member 23 in cooperation with the supporting member 22. The second fitting portion 27 and the third fitting portion 32 are fitted to each other and these fitting portions are fitted to the first fitting portion 18, so that the isolation pulley section 2 is assembled to the damper section 1.Type: GrantFiled: July 9, 2004Date of Patent: October 18, 2011Assignee: Fukoku Co., Ltd.Inventors: Hideaki Watanabe, Kazumi Oki, Yoshikazu Kakinuma
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Patent number: 8037975Abstract: The piston seal member is formed of a crosslinked rubber composition, the rubber composition including 100 parts by weight of an ethylene-propylene rubber, 20 to 60 parts by weight of a first carbon black, 50 to 100 parts by weight of a second carbon black, and 5 to 20 parts by weight of carbon nanofiber having an average diameter of 0.5 to 500 nm, the total amount of the first carbon black and the second carbon black being 70 to 160 parts by weight. The first carbon black has an average particle diameter of 35 to 100 nm and a DBP absorption of 50 to 200 ml/100 g. The second carbon black has an average particle diameter that is greater than the average particle diameter of the first carbon black and ranges from 60 to 500 nm and a DBP absorption of 5 to 50 ml/100 g.Type: GrantFiled: February 21, 2008Date of Patent: October 18, 2011Assignees: Nissin Kogyo Co., Ltd., Fukoku Co., Ltd.Inventors: Toru Noguchi, Hiroyuki Ueki, Takumi Sagou, Takushi Matsushita, Tsuyoshi Watanabe
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Patent number: 7997566Abstract: The liquid seal type fluid-filled mount comprises a cup-shaped housing (1) having a flange (1A) provided with a mounting hole; a stud (3) disposed along a central axis of the cup-shaped housing so as to be positioned in a central opening of a fixed damping unit; a flexible seal cap (7) sealing fluid-tight between the upper end of the stud and the cup-shaped housing; a high viscosity liquid (2) for being filled in a chamber formed by the cup-shaped housing (1) and the flexible seal cap (7); a movable damping plate (4) mounted to a lower end of the stud (3); a fixed damping unit (10) being fixed between the flexible seal cap (7) and the movable damping plate (4) and placed in the high viscosity fluid; and a spring (13) disposed between a bottom of the cup-shaped housing (1) and the movable damping plate (4).Type: GrantFiled: September 3, 2009Date of Patent: August 16, 2011Assignee: Fukoku Co., Ltd.Inventor: Mitsuo Kuzukawa
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Publication number: 20110024029Abstract: A resin boot for constant velocity universal joint, includes: a resin bellows including an approximately conical bellows-shaped portion with its inner hollow part, a small diameter end portion communicated with an inner space of the bellows-shaped portion and arranged at one end, and a large diameter side end portion communicated with the inner space of the bellows-shaped portion and arranged at the other end; a large thickness portion formed in an inner surface of a large diameter side end portion of the resin bellows in accordance with an injection molding, protruded in the vertical direction to the center of the large diameter side end portion and arranged in the circumferential direction at regular intervals; and a small thickness portion arranged between the large thickness portions and formed thinner in the diametrical direction compared with large thickness portion.Type: ApplicationFiled: August 10, 2010Publication date: February 3, 2011Applicant: FUKOKU CO., LTD.Inventors: Kazuhiko Sueoka, Yasuji Takada
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Patent number: 7718121Abstract: A method and a reaction apparatus which can safely and continuously treat/discharge especially a short object is treated without any direct contact with a gas atmosphere, and which surely/efficiently treats the object with a gas without any uneven treatment. A short object A to be treated is put in a hermetically sealed cylindrical treatment section 1. In the treatment section 1, the object is held in a predetermined position by a first operation piece 11 to be treated with a gas for a predetermined time. Then, the holding by the first operation piece is released to move the object A by a desired distance. Subsequently, the object is held in a predetermined position by a second operation piece 12 to be treated again with the gas for a predetermined time, and then a treated object A1 is discharged. This discharged treated object A1 is conveyed to the outside of the apparatus.Type: GrantFiled: April 3, 2007Date of Patent: May 18, 2010Assignee: Fukoku Co., Ltd.Inventors: Kazuhiko Sueoka, Yasuji Takada
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Publication number: 20090322002Abstract: The liquid seal type fluid-filled mount comprises a cup-shaped housing 1 having a flange 1A provided with a mounting hole; a stud 3 disposed along a central axis of the cup-shaped housing so as to be positioned in a central opening of a fixed damping unit; a flexible seal cap 7 sealing fluid-tight between the upper end of the stud and the cup-shaped housing; a high viscosity liquid 2 for being filled in a chamber formed by the cup-shaped housing 1 and the flexible seal cap 7; a movable damping plate 4 mounted to a lower end of the stud 3; a fixed damping unit 10 being fixed between the flexible seal cap 7 and the movable damping plate 4 and placed in the high viscosity fluid; and a spring 13 disposed between a bottom of the cup-shaped housing 1 and the movable damping plate 4.Type: ApplicationFiled: September 3, 2009Publication date: December 31, 2009Applicant: FUKOKU CO., LTD.Inventor: Mitsuo KUZUKAWA
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Patent number: 7604223Abstract: The liquid seal type fluid-filled mount comprises a cup-shaped housing (1) having a flange (1A) provided with a mounting hole; a stud (3) disposed along a central axis of the cup-shaped housing so as to be positioned in a central opening of a fixed damping unit; a flexible seal cap (7) sealing fluid-tight between the upper end of the stud and the cup-shaped housing; a high viscosity liquid (2) for being filled in a chamber formed by the cup-shaped housing (1) and the flexible seal cap (7); a movable damping plate (4) mounted to a lower end of the stud (3); a fixed damping unit (10) being fixed between the flexible seal cap (7) and the movable damping plate (4) and placed in the high viscosity fluid; and a spring (13) disposed between a bottom of the cup-shaped housing (1)and the movable damping plate (4).Type: GrantFiled: October 28, 2004Date of Patent: October 20, 2009Assignee: Fukoku Co., Ltd.Inventor: Mitsuo Kuzukawa
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Patent number: 7588713Abstract: Resin boots for constant velocity universal joint in which a different thickness portion is integrally formed in an inner diameter of a large diameter side end portion of a primarily molded resin bellows in accordance with a secondary molding. A resin bellows constituted by a bellows portion, and a small diameter side end portion and a large diameter side end portion which are provided in both end sides of the bellows portion is molded in accordance with a primary molding, and a different thickness portion corresponding to a secondarily molded product is integrally formed in an inner periphery of the large diameter aide end portion of the primarily molded resin bellows by being secondarily molded within an injection metal mold. At this time, a molten material of the different thickness portion is injected into a secondary molding space from an optional position of a thin portion.Type: GrantFiled: March 26, 2003Date of Patent: September 15, 2009Assignee: Fukoku Co., Ltd.Inventors: Kazuhiko Sueoka, Yasuji Takada
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Publication number: 20090194953Abstract: A resin boot for constant velocity universal joint, includes: a resin bellows including an approximately conical bellows-shaped portion with its inner hollow part, a small diameter end portion communicated with an inner space of the bellows-shaped portion and arranged at one end, and a large diameter side end portion communicated with the inner space of the bellows-shaped portion and arranged at the other end; a large thickness portion formed in an inner surface of a large diameter side end portion of the resin bellows in accordance with an injection molding, protruded in the vertical direction to the center of the large diameter side end portion and arranged in the circumferential direction at regular intervals; and a small thickness portion arranged between the large thickness portions and formed thinner in the diametrical direction compared with large thickness portion.Type: ApplicationFiled: January 13, 2009Publication date: August 6, 2009Applicant: Fukoku Co., Ltd.Inventors: Kazuhiko SUEOKA, Yasuji Takada
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Patent number: 7537719Abstract: There is disclosed a manufacturing apparatus and method which are capable of smoothly removing a tripod boot integrated by secondary molding from a core without deforming the boot and which are superior in manufacturing efficiency and which are inexpensive, and a resin boot for a constant-velocity universal joint. The apparatus includes: divided molds which hold a primarily molded resin boot main body from the outside; a core which holds the boot main body from the inside; a runner mechanism which injects/charges a molten resin material into a secondary molding space formed between the core and an other-end annular fastening portion; and an ejection mechanism for removing the tripod boot in which portions having different thicknesses are integrally and secondarily molded on an inner periphery of the other-end annular fastening portion from the core.Type: GrantFiled: August 18, 2004Date of Patent: May 26, 2009Assignee: Fukoku Co., Ltd.Inventors: Kazuhiko Sueoka, Yasuji Takada
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Patent number: 7537721Abstract: There is disclosed a boot for a constant-velocity universal joint, in which a secondary molded portion including a thick portion is formed in a large-diameter side end portion of a primary molded member, and the boot is easily pulled out of a core mold. The boot is downsized and lightened to reduce costs.Type: GrantFiled: August 18, 2004Date of Patent: May 26, 2009Assignee: Fukoku Co., Ltd.Inventors: Kazuhiko Sueoka, Yasuji Takada
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Patent number: D597017Type: GrantFiled: July 27, 2006Date of Patent: July 28, 2009Assignee: Fukoku Co., Ltd.Inventor: Eiichi Kawamoto
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Patent number: D633426Type: GrantFiled: May 23, 2008Date of Patent: March 1, 2011Assignee: Fukoku Co., Ltd.Inventor: Akira Kobayashi