Patents by Inventor Masashi Kobayashi
Masashi Kobayashi 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: 8259724Abstract: A data transmitting apparatus makes it possible to send out a retransmitting packet at early timing even when a delivery tree structure is unclear.Type: GrantFiled: July 11, 2008Date of Patent: September 4, 2012Assignee: Panasonic CorporationInventors: Kazunobu Konishi, Eiichi Muramoto, Takahiro Yoneda, Ichiro Takei, Masashi Kobayashi, Taisuke Matsumoto
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Publication number: 20120038396Abstract: An injection locked frequency divider and a PLL circuit, having a wide operating frequency bandwidth and capable of reducing the influence of any parasitic capacitance, are provided. Injection locked frequency divider (100) includes ring oscillator 140 that cascade-connects first amplifier circuit (141) including N-channel MOS transistor (111) and P-channel MOS transistor (112), and second amplifier circuit 142 and third amplifier circuit (143) that have the same configuration as first amplifier circuit (141) in three stages in a ring; N-channel MOS transistor 150 in which the sources of N-channel MOS transistors (111, 121, 131) in the respective stages are connected to the drain thereof; and differential signal injection circuit (160) that injects injection signal I1 to the gates of P-channel MOS transistors (112, 122, 132) in the respective stages and injects a reverse phase signal of injection signal I1. as a differential signal to the gate of N-channel MOS transistor (150).Type: ApplicationFiled: January 21, 2011Publication date: February 16, 2012Applicant: Panasonic CorporationInventors: Takahiro Shima, Junji Sato, Masashi Kobayashi
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Patent number: 8007054Abstract: A control unit 20 includes an initial current value calculation unit 22 for calculating an initial current value when a caliper pressure shifts to a pressure increasing state, a target current value setting unit 23 which, when no pressure increasing cycle was performed last time, estimates a road surface friction coefficient, determines a target differential pressure based on the road surface friction coefficient so estimated, and sets a current value corresponding to this target differential pressure as a target current value, and a valve opening amount adjusting unit 25 which reduces an energization amount from the initial current value towards the target current value with a predetermined gradient.Type: GrantFiled: July 14, 2008Date of Patent: August 30, 2011Assignee: Nissin Kogyo Co., Ltd.Inventors: Masashi Kobayashi, Tetsuhiro Narita, Tomonori Hirose, Tomoaki Sekiya
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Patent number: 7967662Abstract: An apparatus for lapping sliders comprises a rotatable lapping plate for lapping elements that are to be formed into sliders, a pushing force adjusting member that has an internal space therein and that extends vertically along an lapping plate axis that is perpendicular to the lapping plate, a pusher for pressing the elements, the pusher being connected to the pushing force adjusting member, and gas supply means for supplying a gas into the internal space, the gas supply means being connected to the pushing force adjusting member. The pushing force adjusting member comprises a first part that includes a connection with the pusher, a second part that includes a coupling between the internal space and the gas supply means, and an axially deformable part that is located between the first part and the second part.Type: GrantFiled: April 28, 2008Date of Patent: June 28, 2011Assignee: SAE Magnetics (H.K.) Ltd.Inventors: Masashi Kobayashi, Kiyohiko Abe, Hiroyasu Tsuchiya, Santoso Tan, Zhong Xian Wei, Chun Hua Zhang, Fa Hong Li, Ming Yuan Chen
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Publication number: 20110118949Abstract: A vehicle brake fluid pressure control apparatus includes: a controller configured to control fluid pressures in wheel brakes to increase or reduce by controlling normally open electromagnetic valves and normally closed electromagnetic valves, wherein the controller perform: a pressure reducing in a pressure reducing cycle in which a basic pressure reducing control and a gradual pressure control are performed continuously in a case that the controller determines to execute a pressure reducing control with wheel speeds decreasing; a pressure reducing control in a basic pressure reducing amount in the basic pressure reducing control; and a temporary holding control for holding the fluid pressure and a fine pressure reducing control for executing a pressure reducing in an amount smaller than the basic pressure reducing amount in a case that the wheel speeds tend to decrease after the temporary holding control in the gradual pressure reducing control.Type: ApplicationFiled: November 17, 2010Publication date: May 19, 2011Applicant: NISSIN KOGYO CO., LTD.Inventors: Tomoaki SEKIYA, Masashi KOBAYASHI
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Publication number: 20110074241Abstract: According to one embodiment, there is provided a rotating electrical machine including a core, a coil extending from the core, and an electromagnetic shield which is provided outside the core, and has a plurality of shoulders projecting toward the coil. The coil includes an insulator covering outside of a conductor, a resistance layer formed on a surface of the insulator and contacting the core, and at least one potential grading layer formed on a surface of the insulator adjacent to the resistance layer. A boundary between the resistance layer and potential grading layer is provided at a position farther from the core than a point on a surface of the coil, where a distance between the coil and a shoulder of the electromagnetic shield closest to the core is the shortest.Type: ApplicationFiled: September 28, 2010Publication date: March 31, 2011Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takashi Harakawa, Tetsushi Okamoto, Yoshiyuki Inoue, Tooru Ootaka, Hiroshi Hatano, Mikio Kakiuchi, Toshihiko Shinoda, Makoto Kawahara, Masashi Kobayashi, Wataru Nakamura, Ken Nagakura, Masamitsu Sakuma
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Publication number: 20100266053Abstract: A wireless communication method, a radio transmitter apparatus and a radio receiver apparatus wherein a signal sequence, which is used in a reception process using a first modulation scheme and can be generated from a signal sequence prepared for a reception process and used in a second modulation scheme, is employed, thereby achieving a performance to a similar extent to the reception process performance using the second modulation scheme. A radio transmitter apparatus (20) uses a first modulation scheme (e.g., OOK modulation scheme) to sequentially transmit, as a first sequence, both a sub-sequence a1(n), which is identical with a second sequence a(n) designed for use in a second modulation scheme (e.g., BPSK modulation scheme), and a sub-sequence a2(n), the bits of which are reverse to those of the second sequence a(n), in a time division manner.Type: ApplicationFiled: November 27, 2008Publication date: October 21, 2010Inventors: Takenori Sakamoto, Taisuke Matsumoto, Satoshi Hasako, Suguru Fujita, Masashi Kobayashi, Zhan Yu
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Publication number: 20100183012Abstract: A data transmitting apparatus is provided for making it possible to send out a retransmitting packet at early timing even in the case where a delivery tree structure is unclear.Type: ApplicationFiled: July 11, 2008Publication date: July 22, 2010Applicant: PANASONIC CORPORATIONInventors: Kazunobu Konishi, Eiichi Muramoto, Takahiro Yoneda, Ichiro takei, Masashi Kobayashi, Taisuke Matsumoto
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Publication number: 20100031109Abstract: A receiving terminal is provided that prevents a load on a network near a receiving terminal from increasing when a retransmission request is made to a plurality of other terminals, and enables the probability of being able to compensate for a lost packet by means of a retransmission packet to be increased.Type: ApplicationFiled: July 3, 2008Publication date: February 4, 2010Applicant: PANASONIC CORPORATIONInventors: Eiichi Muramoto, Kazunobu Konishi, Takahiro Yoneda, Masashi Kobayashi, Ichiro Takei, Taisuke Matsumoto
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Patent number: 7645182Abstract: An apparatus for lapping a slider comprises a lapping head for supporting elements while pressing the elements against a rotating lapping plate, the elements that are to be formed into sliders, a holding mechanism for supporting the lapping head, the holding mechanism having a first engaging member that extends in a vertical direction, a base for supporting the holding mechanism, the base having a second engaging member that extends in the vertical direction, wherein the second engaging member is engaged with the first engaging member to form an internal space therebetween, and a decompressing mechanism for decompressing the internal space. The holding mechanism is subjected to vertically upward force from the decompressed internal space in order to be movably supported by the base in the vertical direction.Type: GrantFiled: March 24, 2008Date of Patent: January 12, 2010Assignee: Sae Magnetics (H.K.) Ltd.Inventors: Kiyohiko Abe, Masashi Kobayashi, Hiroyasu Tsuchiya, Santoso Tan, Zhong Xian Wei, Chun Hua Zhang, Fa Hong Li, Ming Yuan Chen
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Publication number: 20090021072Abstract: A the control unit 20 includes an initial current value calculation unit 22 for calculating an initial current value when a caliper pressure shifts to a pressure increasing state, a target current value setting unit 23 which, when no pressure increasing cycle was performed last time, estimates a road surface friction coefficient, determines a target differential pressure based on the road surface friction coefficient so estimated, and sets a current value corresponding to this target differential pressure as a target current value, and a valve opening amount adjusting unit 25 which reduces an energization amount from the initial current value towards the target current value with a predetermined gradient.Type: ApplicationFiled: July 14, 2008Publication date: January 22, 2009Applicant: NISSIN KOGYO CO., LTD.Inventors: Masashi Kobayashi, Tetsuhiro Narita, Tomonori Hirose, Tomoaki Sekiya
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Publication number: 20080280544Abstract: An apparatus for lapping sliders comprises a rotatable lapping plate for lapping elements that are to be formed into sliders, a pushing force adjusting member that has an internal space therein and that extends vertically along an lapping plate axis that is perpendicular to the lapping plate, a pusher for pressing the elements, the pusher being connected to the pushing force adjusting member, and gas supply means for supplying a gas into the internal space, the gas supply means being connected to the pushing force adjusting member. The pushing force adjusting member comprises a first part that includes a connection with the pusher, a second part that includes a coupling between the internal space and the gas supply means, and an axially deformable part that is located between the first part and the second part.Type: ApplicationFiled: April 28, 2008Publication date: November 13, 2008Applicant: SAE Magnetics (H.K0) Ltd.Inventors: Masashi Kobayashi, Kiyohiko Abe, Hiroyasu Tsuchiya, Santoso Tan, Zhong Xian Wei, Chun Hua Zhang, Fa Hong Li, Ming Yuan Chen
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Publication number: 20080242203Abstract: An apparatus for lapping a slider comprises a lapping head for supporting elements while pressing the elements against a rotating lapping plate, the elements that are to be formed into sliders, a holding mechanism for supporting the lapping head, the holding mechanism having a first engaging member that extends in a vertical direction, a base for supporting the holding mechanism, the base having a second engaging member that extends in the vertical direction, wherein the second engaging member is engaged with the first engaging member to form an internal space therebetween, and a decompressing mechanism for decompressing the internal space. The holding mechanism is subjected to vertically upward force from the decompressed internal space in order to be movably supported by the base in the vertical direction.Type: ApplicationFiled: March 24, 2008Publication date: October 2, 2008Applicant: SAE Magnetics (H.K.) Ltd.Inventors: Kiyohiko Abe, Masashi Kobayashi, Hiroyasu Tsuchiya, Santoso Tan, Zhong Xian Wei, Chun Hua Zhang, Fa Hong Li, Ming Yuan Chen
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Publication number: 20080223108Abstract: A pipette includes a tubular body (1) having an internal circumferential threaded portion (1b); a stroke screw (5) provided inside the body (1) and having an external circumferential threaded portion (5c) for thread-engaging said internal circumferential threaded portion (1b); a volume variably setting member (4) disposed to be rotatable together with the stroke screw (5) as one unit and axially slidable relative thereto; a central shaft (7) provided inside said tubular body (1), which is coupled to a plunger (29) and operable to be pushed down; and a first-stage spring (10) interposed between an upper portion of said central shaft (7) and said stroke screw (5), which urges the central shaft (7) upward so that a predetermined portion (7b) thereof urgingly abuts against the stroke screw (5), wherein, by rotating said volume variably setting member (4) as appropriate, the stroke screw (5) is caused to rotate together therewith as one unit relative to the body (1) so that said stroke screw (5) and said central sType: ApplicationFiled: March 6, 2008Publication date: September 18, 2008Inventors: Masashi Kobayashi, Jun Sasaki
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Patent number: 7069133Abstract: A wheel speed calculation method wherein, when both rising and falling edges occur, the wheel speed is calculated using both the edges, when either of the edges does not occur, the wheel speed is calculated using both the edges in such a manner that for the edge not occurring, the preceding calculation value or the calculation value provided by assuming that one occurred within the temporary time, whichever is the lower, is selected. Further, neither of the rising and falling edges occurs, the minimum value of the two calculation values provided by assuming that only one edge occurred within the temporary time and the calculation value provided by assuming that only one rising edge and only one falling edge occurred within the temporary time or the calculation value of the preceding wheel speed, whichever is the lower, is selected as the wheel speed.Type: GrantFiled: December 8, 2003Date of Patent: June 27, 2006Assignee: Nissin Kogyo Co., Ltd.Inventors: Masashi Kobayashi, Manabu Hiroya
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Patent number: 6925801Abstract: The control unit keeps the energization duty factor to the electric motor at 100% until a predetermined time elapses and thereafter executes control of the energization duty factor in accordance with the voltage of the battery.Type: GrantFiled: August 26, 2003Date of Patent: August 9, 2005Assignee: Nissin Kogyo Co., Ltd.Inventor: Masashi Kobayashi
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Publication number: 20040113624Abstract: A wheel speed calculation method wherein, when both rising and falling edges occur, the wheel speed is calculated using both the edges, when either of the edges does not occur, the wheel speed is calculated using both the edges in such a manner that for the edge not occurring, the preceding calculation value or the calculation value provided by assuming that one occurred within the temporary time, whichever is the lower, is selected. Further, neither of the rising and falling edges occurs, the minimum value of the two calculation values provided by assuming that only one edge occurred within the temporary time and the calculation value provided by assuming that only one rising edge and only one falling edge occurred within the temporary time or the calculation value of the preceding wheel speed, whichever is the lower, is selected as the wheel speed.Type: ApplicationFiled: December 8, 2003Publication date: June 17, 2004Inventors: Masashi Kobayashi, Manabu Hiroya
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Patent number: 6715369Abstract: A hybrid pipette including a pipette casing (11) and a slide shaft (22) vertically movable in response to the operation of a pushbutton (23). A plunger (31) is disposed below the slide shaft and urged upwardly by a spring (33, 34). An engagement member (41) is coaxially and movably fitted on the slide shaft (22) and extends through a hole (12a1) in a casing member (11) so as to be movable at least vertically. An electric motor (51) is provided on an axis different from the axis of the slide shaft and operatively engaged with the engagement member (41). In a manual operation mode, the slide shaft (22) and the plunger (31) move vertically in response to the operation of the pushbutton (23) to perform suction and discharge of a liquid. In a motor-driven operation mode, the engagement member (41) is driven to move vertically by the electric motor (51), whereby the plunger (31) is moved vertically to perform suction and discharge of a liquid.Type: GrantFiled: August 2, 2001Date of Patent: April 6, 2004Assignee: Nichiryo Co., Ltd.Inventors: Nobuyuki Baba, Masashi Kobayashi
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Publication number: 20040040298Abstract: The control unit keeps the energization duty factor to the electric motor at 100% until a predetermined time elapses and thereafter executes control of the energization duty factor in accordance with the voltage of the battery.Type: ApplicationFiled: August 26, 2003Publication date: March 4, 2004Inventor: Masashi Kobayashi
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Patent number: 6402260Abstract: A rotational speed of an electric motor 12 is memorized at a memory unit 21 as a set rotational speed for allowing a minimum required volume of brake fluid to be discharged from the pumps in a state where the output hydraulic pressure of the master cylinder is highest, and an energizing duty ratio for the electric motor 12 which is designed so as to rotate the electric motor 12 at the set rotational speed is determined at a duty ratio determining unit 22 in response to an applied voltage detected at a voltage detecting unit 20. A motor control unit 23 controls the energizing of the electric motor 12 from a battery 18 in accordance with the energizing duty ratio determined at the duty ratio determining unit 22.Type: GrantFiled: September 7, 2000Date of Patent: June 11, 2002Assignee: Nissin Kogyo Co., Ltd.Inventors: Masashi Kobayashi, Motoyasu Nakamura