Patents by Inventor Mitsuo Nakamura
Mitsuo Nakamura 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: 4823909Abstract: A soundproof structure for vehicle use includes a vehicle body forming panel, a lower side sound absorbing foamed resin layer on the panel, a rigid sound insulating panel on the foamed resin layer, and a press means between the vehicle body forming panel and the sound insulating panel to urge the sound insulating panel toward the former panel, the press means acting to hold the lower side foamed resin layer in compressed state, and an upper side sound absorbing layer being further laminated on the sound insulating panel.Type: GrantFiled: September 30, 1987Date of Patent: April 25, 1989Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Mitsuo Nakamura, Tsuyoshi Yamashita
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Patent number: 4773876Abstract: A multi-conductor flat cable electrical connector, which comprises a plurality of terminals each having a contacting part for contact with the contacting part of a mating connector and a pressure welding part to be connected to a conductor of a multi-conductor flat cable; an insulating housing for holding said terminals in such a manner that said pressure welding parts may project therefrom; a termination member having a conductor holding recess for an end of said flat cable and adapted to be united to said insulating housing; said terminals being arranged in said insulating housing so that said pressure welding parts may be aligned in at least two pairs of lines; said pressure welding parts being arranged alternately in each of said pairs of lines at a pitch twice that of said conductors so that the pitch between said adjacent terminals may be equal to that of said conductors; said termination member having a pair of conductor arranging recesses extending laterally to either side from said holding recess andType: GrantFiled: May 6, 1987Date of Patent: September 27, 1988Assignee: Hirose Electric Co., Ltd.Inventors: Mitsuo Nakamura, Keiji Soma
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Patent number: 4752238Abstract: A multiconductor flat cable electrical connector for terminating a plurality of multiconductor flat cables, which comprises a plurality of contacts each having a contacting portion for contact with a contact of the mating connector and a piercing portion for connection with a conductor of said flat cables; an insulating housing for mounting said contacts in such a manner that said piercing portions may project from the top of said insulating housing at least two staggered rows; a cable retainer having first fastener means for joining said cable retainer to the top of said insulating housing, a retention channel on one side, a termination channel on its bottom in communication with said retention channel for retaining the end portions of said flat cables, and a plurality of slots in said termination channel for receiving said piercing portions projecting from the top of said insulating housing; and a cable guide having second fastener means for joining said cable guide to the top of said cable retainer for sepType: GrantFiled: August 7, 1987Date of Patent: June 21, 1988Assignee: Hirose Electric Co., Ltd.Inventors: Mitsuo Nakamura, Keiji Souma
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Patent number: 4744773Abstract: A multi-layer flat cable electrical connector for terminating flat cables in a plurality of layers, which comprises a plurality of contacts having a contacting portion for contact with a contact of the mating connector and a press-fit portion for connection with a conductor of said flat cable; an insulating housing for supporting said contacts so that said press-fit portions may project upward from its top surface in at least a pair of rows; a cable retainer with a retention channel for holding the end portions of said flat cables laminated one upon another, a plurality of termination grooves for receiving each conductor of said flat cable on either side, and a plurality of recesses for receiving said press-fit portions projecting from said housing, said cable retainer adapted to join to said insulating housing to complete said multi-layer flat cable electrical connector.Type: GrantFiled: July 20, 1987Date of Patent: May 17, 1988Assignee: Hirose Electric Co., Ltd.Inventors: Mitsuo Nakamura, Keiji Souma
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Patent number: 4720707Abstract: There is disclosed a display apparatus in which plural erasable images formed on an image bearing member are transported to display mechanism and displayed simultaneously thereon. The image bearing member moves along a determined path, along which provided are stations for image formation, display and erasure. The plural images on the image bearing member are selectively changeable.Type: GrantFiled: February 19, 1985Date of Patent: January 19, 1988Assignee: Canon Kabushiki KaishaInventors: Motofumi Konishi, Kanou Tanaka, Mitsuo Nakamura
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Patent number: 4716999Abstract: An intake air control valve controls the amount of intake air of an engine. When a torque converter of an automatic transmission is locked for establishing the lock-up state, the control valve is closed to reduce the amount of air, so that engine speed is reduced without increasing the engine torque.Type: GrantFiled: January 3, 1986Date of Patent: January 5, 1988Assignee: Fuji Jukogyo Kabushiki KaishaInventors: Kazunari Tezuka, Mitsuo Nakamura
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Patent number: 4637134Abstract: An apparatus for inserting a plurality of kinds of electronic parts into a predetermined position of a printed board. An electronic part which is successively supplied from an electronic part supplying means is fed to a predetermined supply positioning end by a feeding means. An insertion unit carries the electronic part from this position to a predetermined specific position, thereby inserting the electronic part into the printed board. The printed board is held and positioned by an X-Y table. At a position corresponding to said specific position, the apparatus has a clinching means for clinching the leads of the electronic part which is inserted into the printed board and a control means which controls a predetermined operation of each means.Type: GrantFiled: February 15, 1985Date of Patent: January 20, 1987Assignee: Hitachi, Ltd.Inventors: Tomoya Tomita, Sotozi Hiramoto, Takesi Okubo, Kuniyuki Matsuo, Hiromoto Ashihara, Mitsuo Nakamura, Tsutomu Takahashi, Motoaki Fujino, Kenji Hosaka
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Patent number: 4633364Abstract: A static shock eliminator adapted for use in attachment to a conductive grounding object such as a metallic door knob, handle or key cylinder, which comprises a high resistance plate arranged adjacent the conductive grounding object and engaged at a portion thereof with the same. The high resistance plate has a first surface to be brought into contact with a person at a portion spaced from the conductive grounding object in a predetermined distance and a second surface to be adhered to a surface of a member on which the conductive grounding object is mounted.Type: GrantFiled: August 28, 1985Date of Patent: December 30, 1986Assignee: Nippondenso Co., Ltd.Inventors: Mitsuo Nakamura, Sumihiro Kaga, Toshitaka Tanahashi
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Patent number: 4576324Abstract: A gas pressure welding machine comprises a movable clamp means for clamping one of reinforcing rods to be joined together, a stationary clamp means for clamping the other reinforcing rod, a punching die for punching-shearing a bulge being formed around a joint portion of the reinforcing rods, and a key connection mechanism for detachably connecting the movable clamp means and the punching die, whereby the reinforcing rods are subjected to pressure butt welding to form a bulge around a joint portion thereof and the bulge is immediately punching-sheared under red heat by the punching die.Type: GrantFiled: January 23, 1985Date of Patent: March 18, 1986Assignees: Japanese National Railways, Hakusan Seisakusho Co., Ltd.Inventors: Tadashi Takimoto, Hirotsugu Oishibashi, Katsuyoshi Ueyama, Muneyuki Ohara, Akio Kobayashi, Keiichi Aoki, Mitsuo Nakamura, Kenzo Hagiwara
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Patent number: 4556164Abstract: A method of field welding head-hardened rails which includes the steps of gas pressure welding the rails, shearing off excess metal therefrom at the welded portion with a portable welder device, subjecting the railhead of the pressure welded portion of the rails to a subsequent heat treatment with a gas heater device, setting a width of the pressure welded portion to be heated at the time of the subsequent heat treatment with a pair of jigs, and cooling the portion which has undergone the subsequent heat treatment with an air blowing type cooler.Type: GrantFiled: February 19, 1985Date of Patent: December 3, 1985Assignees: Japanese National Railways, Hakusan Seisakusho Co., Ltd., Kyushu Tetsudo Kiki Seizo Co., Ltd.Inventors: Hirotsugu Oishibashi, Katsuyoshi Ueyama, Muneyuki Ohara, Mitsuo Nakamura, Takeo Aichi, Shigeru Sasaki
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Patent number: 4503827Abstract: A fuel injection system for internal combustion engines injects fuel simultaneously into cylinders at a controllable number of occurences of fuel injection. The fuel injection system includes a frequency divider for frequency-dividing a signal indicative of rpm of the engine, a gate means for selectively supplying an output from the frequency-divided signal to solenoid-operated fuel injection valves, and a comparator for controlling the gate means to feed the output from the frequency-divider to the fuel injection valves when a signal indicative of an engine load exceeds a reference value upon comparison, that is, when the engine operates under heavier loads.Type: GrantFiled: October 20, 1981Date of Patent: March 12, 1985Assignee: Nippondenso Co., Ltd.Inventors: Motoharu Sueishi, Mitsuo Nakamura
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Patent number: 4498441Abstract: An air-fuel ratio control system for an internal combustion engine having an emission control system with a three-way catalytic converter for controlling the air-fuel ratio in accordance with the operation of the engine. A throttle sensor for detecting acceleration of the engine and a predetermined voltage supply device are provided. A feedback control circuit is provided for controlling the air-fuel ratio to the stoichiometric air-fuel ratio in a normal operating condition and for stopping the control operation when the acceleration of the engine is detected by the throttle sensor. A first switch is provided to be actuated by the output of the throttle sensor to connect the output of the predetermined voltage supply with the input of the feedback control circuit when acceleration is detected.Type: GrantFiled: October 5, 1981Date of Patent: February 12, 1985Assignee: Fuji Jukogyo Kabushiki KaishaInventors: Masaaki Ohgami, Mitsuo Nakamura
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Patent number: 4495579Abstract: An actuator control system for an internal combustion engine idling speed governor mounted on a vehicle includes an actuator for actuating a throttle valve, an ignition switch for producing an ignition turning off signal, an engine speed signal generating circuit, an engine speed increasing signal generating circuit, an engine speed decreasing signal generating circuit, an actuator control circuit for operating the actuator in opposite direction in accordance with engine speed increasing and decreasing signals. A time lag signal generating circuit is provided to be responsive to said ignition turning off signal to generate a signal after a predetermined time. A logic gate is provided to be responsive to the ignition turning off signal for operating the actuator control circuit so as to close the throttle valve from the idling open position to the closed position.Type: GrantFiled: December 23, 1981Date of Patent: January 22, 1985Assignee: Fuji Jukogyo Kabushiki KaishaInventors: Tatsuhisa Fukushima, Yoshiaki Kasai, Mitsuo Nakamura
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Patent number: 4479464Abstract: The air-to-fuel ratio of a combustible mixture supplied to an engine is controlled by a feedback loop which includes an integration circuit for integrating the output signal of an oxygen sensor which detects the oxygen concentration in the exhaust gases of the engine, to produce an output voltage. The output of the sensor is applied to the integration circuit through a switch which opens in response to predetermined conditions of the engine whereby the output voltage of the integration circuit is held at a value occurring just before the switch opens.Type: GrantFiled: September 7, 1978Date of Patent: October 30, 1984Assignees: Nippondenso Co., Ltd., Toyota Jidosha Kogyo Kabushiki KaishaInventors: Toshio Kondo, Hideaki Norimatsu, Mitsuo Nakamura, Akira Masuda, Sigenori Kitazima
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Patent number: 4472635Abstract: A radiographic intensifying screen having improved modulation transfer function and/or sensitivity. The radiographic intensifying screen of the present invention comprises a support, a phosphor layer formed on the support, a protective film formed on the phosphor layer, wherein the phosphor layer includes a small phosphor particles layer at its support side consisting essentially of small phosphor particles with an average grain size of about 4 .mu.m or less and a binding agent; and a mixed large and small phosphor particles layer at its protective film side consisting essentially of large phosphor particles with an average grain size ranging from about 7 to 20 .mu.m, small phosphor particles present in the interstices of the large phosphor particles and with an average grain size of about 4 .mu.m or less and a binding agent.Type: GrantFiled: September 28, 1982Date of Patent: September 18, 1984Assignee: Tokyo Shibaura Denki Kabushiki KaishaInventors: Kazuto Yokota, Mitsuo Nakamura
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Patent number: 4465048Abstract: An air-fuel ratio control system for an internal combustion engine comprises an induction passage, a carburetor, an on-off type electromagnetic valve for correcting the air-fuel ratio of the air-fuel mixture supplied to the carburetor, an O.sub.2 -sensor for detecting oxygen concentration of exhaust gases, and a feedback control circuit responsive to the output of the O.sub.2 -sensor for producing pulses for driving said electromagnetic valve for correcting the air-fuel ratio.An engine speed detecting circuit is provided for producing an output signal which varies with the engine speed; and a frequency changing circuit is provided to be responsive to the output signal of the engine speed detecting for changing the frequency of the pulses whereby the electromagnetic valve may be prevented from resonating with the vibration of the engine and with the pulsations of induced air.Type: GrantFiled: December 21, 1981Date of Patent: August 14, 1984Assignee: Fuji Jukogyo Kabushiki KaishaInventors: Takuro Morozumi, Mitsuo Nakamura, Masaaki Ohgami, Ryuji Kataoka
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Patent number: 4453518Abstract: An engine idling speed control system for an internal combustion engine comprising an actuator for actuating a throttle valve for increasing and decreasing the idling speed, an engine speed signal generating circuit, an engine speed increasing signal generating circuit and an engine speed decreasing signal generating circuit, a vehicle speed signal generating circuit, an idling signal generating circuit for generating an idling signal in the idling operation of the engine, and an actuator control circuit for operating the actuator in opposite directions in accordance with engine speed increasing and decreasing signals. A time lag signal generating circuit is provided to be responsive to the engine speed signal and to the idling signal for producing a time lag signal. The time lag signal generating circuit is so arranged that duration of the time lag signal increases with the increase of the engine speed.Type: GrantFiled: December 17, 1981Date of Patent: June 12, 1984Assignee: Fuji Jukogyo Kabushiki KaishaInventors: Mitsuo Nakamura, Fujio Matsui
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Patent number: 4425335Abstract: New ester derivatives of alkoxybenzoyldeoxyfluorouridine of the general formula ##STR1## wherein R stands for an alkoxy group having 1 to 4 carbon atoms, m for 1 or 2, and n for 3 or 4 with the proviso that when m is 2, the adjacent two R's may be combined to form an alkylenedioxy group as a whole. These derivatives are prepared by acylating a 2'-deoxy-3',5'-di-O-alkylcarbonyl-5-fluorouridine with corresponding benzoyl halides and are useful as active ingredients for anti-tumor agents, especially for oral administration.Type: GrantFiled: August 10, 1981Date of Patent: January 10, 1984Assignee: Funai Kakuhin Kogyo Kabushiki KaishaInventors: Setsuro Fujii, Bompei Yasui, Mitsuo Nakamura, Mitsuru Hirohashi, Tomohisa Miyamoto, Kazuko Ando, Iwao Hashimoto, Naoki Umeda, Masahiro Kawasaki
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Patent number: 4416875Abstract: New ester derivatives of deoxyfluorouridine of the general formula: ##STR1## wherein R and R.sup.40, may be identical or different, and may be hydrogen, halogen or methyl and n is 3 or 4. These derivatives are prepared by acylating a 2'-deoxy-3',5'-di-O-alkylcarbonyl-5-fluorouridine with corresponding benzoyl halides and are useful as active ingredients for anti-tumor agents, especially for oral administeration.Type: GrantFiled: August 6, 1981Date of Patent: November 22, 1983Assignee: Funai Yakuhin Kogyo Kabushiki KaishaInventors: Setsuro Fujii, Bompei Yasui, Mitsuo Nakamura, Tomohisa Miyamoto, Kazuko Ando, Iwao Hashimoto, Yoneichi Sawai, Naoki Umeda, Masahiro Kawasaki
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Patent number: 4416158Abstract: A punching-shearing method for inspecting the quality of a butt welded joint comprises pressure butt welding steel members under heat to form an annular bulge around the joint portion of the steel members, punching-shearing the bulge under red heat immediately after the pressure butt welding process from one side of the bulge in parallel with the axes of the steel members by use of a shearing die having higher and lower shearing edge portions so that the higher shearing edge portions penetrate the bulge prior to the lower shearing edge portions, so as to cause the base of the bulge to remain around the joint portion in a slightly higher position than the peripheral surfaces of the steel members, and determining the quality of the joint portion from the peripheral surface of the base of the bulge remaining on the joint portion.Type: GrantFiled: February 3, 1982Date of Patent: November 22, 1983Assignees: Japanese National Railways, Hakusan Seissaku-sho Co., Ltd.Inventors: Tadashi Takimoto, Hirotsugu Oishibashi, Katsuyoshi Ueyama, Muneyuki Ohara, Mitsuo Nakamura, Takayoshi Amano