Patents by Inventor Minoru Ohta
Minoru Ohta 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: 5241276Abstract: In a system for measuring a surface potential of a sample, a probe is located above. A surface of the sample with a small gap and is vibrated by a piezoelectronic element which is energized by a oscillator. A potential of the distal end of the probe is changed and is converted into an electrical signal. The surface potential is obtained from the electrical signal.Type: GrantFiled: July 17, 1992Date of Patent: August 31, 1993Assignee: Kabushiki Kaisha ToshibaInventors: Kuniyoshi Tanaka, Shunji Shirouzu, Minoru Ohta, Hideo Miyagawa
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Patent number: 5151659Abstract: In a system for measuring a surface potential of a sample, a probe is located above. A surface of the sample with a small gap and is vibrated by a piezoelectronic element which is energized by a oscillator. A potential of the distal end of the probe is changed and is converted into an electrical signal. The surface potential is obtained from the electrical signal.Type: GrantFiled: April 27, 1990Date of Patent: September 29, 1992Assignee: Kabushiki Kaisha ToshibaInventors: Kuniyoshi Tanaka, Shunji Shirouzu, Minoru Ohta, Hideo Miyagawa
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Patent number: 5127191Abstract: A second door part is provided which is detachably mounted at the outside surface of a first door part which is openable and closable in relation to an automobile body. The second door part is engaged with the first door part by a locking mechanism. By operating the locking mechanism, redressing of the door by selectively attaching different types of second door parts can be carried out. Additionally, maintenance of mechanisms within the door can be easily performed. When it is desired to provide a window glass which can be raised and lowered for the second door part, a window glass raising/lowering mechanism having a lever arm is mounted to the first door part and a window glass is mounted to the second door part, a glass holder is fixed to a lower end of the window glass and the lever arm and the glass holder are engaged with each other. When the second door part is attached to and detached from the first door part, the lever arm and the glass holder are also disengaged from one another.Type: GrantFiled: October 25, 1988Date of Patent: July 7, 1992Assignee: Mazda Motor CorporationInventor: Minoru Ohta
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Patent number: 4912975Abstract: In a direct-heated flow measuring apparatus including a substrate having a film resistance pattern and a supporting member for supporting the substrate, the supporting member has good heat dissipation characteristics. Provided between the substrate and the supporting member is a heat transfer throttling portion.Type: GrantFiled: January 25, 1989Date of Patent: April 3, 1990Assignee: Nippon Soken, Inc.Inventors: Minoru Ohta, Kazuhiko Miura, Seizi Huzino, Kenji Kanehara, Tadashi Hattori
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Patent number: 4911588Abstract: A tapping apparatus in accordance with this invention includes a frame, a spindle mounted on the frame for rotation and axial movement and provided with a tap coupled to one end thereof, the spindle being driven by a driven source, an external thread section formed in the outer periphery of the spindle, a guide member rotatably mounted on the frame and having an internal thread section formed in the inner periphery thereof, the internal thread section being threadably engaged with the external thread section, and a synchronous rotation mechanism for rotatably driving the guide member in synchronization with the spindle so that the axial movement of the spindle agrees with a pitch of the tap.Type: GrantFiled: July 8, 1988Date of Patent: March 27, 1990Assignee: Shigeru IkemotoInventors: Shigeru Ikemoto, Minoru Ohta
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Patent number: 4870860Abstract: In a direct-heated flow measuring apparatus including a substrate having a film resistance pattern and a supporting member for supporting the substrate, the supporting member has good heat dissipation characteristics. Provided between the substrate and the supporting member is a heat transfer throttling portion.Type: GrantFiled: February 25, 1988Date of Patent: October 3, 1989Assignee: Nippon Soken, Inc.Inventors: Minoru Ohta, Kazuhiko Miura, Seizi Huzino, Kenji Kanehara, Tadashi Hattori
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Patent number: 4843882Abstract: In a direct-heated flow measuring apparatus including a film resistor having a substrate supported by a supporting member in a passage, at least one face of the substrate on the upstream side thereof is sloped with respect to a fluid stream within the passage.Type: GrantFiled: July 25, 1988Date of Patent: July 4, 1989Assignee: Nippon Soken, Inc.Inventors: Minoru Ohta, Michitoshi Onoda, Kazuhiko Miura, Seizi Huzino, Tadashi Hattori, Kenji Kanehara, Masanori Fukutani
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Patent number: 4833912Abstract: A flow measuring apparatus includes a resistance layer for detecting a flow rate within a passage and an additional resistance layer for burning off deposits formed by suspended particles the like, and both of the resistance layers are formed on only one substrate. When suspended particles are deposited on the substrate to form deposits thereon, the deposits are burned off and removed from the substrate by supplying power to the additional resistance layer.Type: GrantFiled: January 19, 1988Date of Patent: May 30, 1989Assignee: Nippon Soken, Inc.Inventors: Minoru Ohta, Michitoshi Onoda, Kazuhiko Miura, Tadashi Hattori
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Patent number: 4820087Abstract: A tap drive unit for machine tools, which is coupled to the machine-head of the machine tool such as a machining center, includes a driver detachably coupled to a main spindle of the machine tool so as to be rotated with the main spindle, a support member for rotatably supporting the driver, the support member being fixedly mounted on a stationary portion of the machine tool when the driver is coupled to the main spindle of the machine tool, a tubular guide member supported by the support member so as to be concentric with the driver, and a rotational shaft on one end of which a tap is mounted. The guide member is axially moved when a load larger than a predetermined value acts on it. An internal thread is formed in the inner periphery of the guide member. An external thread is formed in the outer periphery of the rotational shaft so as to be threadably engaged with the internal thread.Type: GrantFiled: October 8, 1987Date of Patent: April 11, 1989Assignee: Shigeru IkemotoInventors: Shigeru Ikemoto, Minoru Ohta
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Patent number: 4819037Abstract: In a semiconductor device having mainly vertical semiconductor elements, a plurality of semiconductor elements are formed in spaced relationship from each other on an insulation layer formed on a substrate and therefore completed isolated electrically from each other. A plurality of semiconductor intermetallic compound layers used as electrodes are formed independently in the same spaced relationship as the semiconductor elements for the respective semiconductor elements, making it possible to determine the potential for each semiconductor element as desired. Both N-type DMOS and P-type DMOS or the like can thus be formed on a single seminconductor single crystal substrate.Type: GrantFiled: June 3, 1987Date of Patent: April 4, 1989Assignee: Nippon Soken, Inc.Inventors: Nobuyoshi Sakakibara, Mitutaka Katada, Minoru Ohta, Tadashi Hattori, Takayuki Tominaga
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Patent number: 4785662Abstract: A direct-heated gas-flow measuring apparatus including a measuring tube disposed in the gas stream, a film resistor for generating heat and detecting the temperature thereof, and a feedback control circuit for controlling the heat generated by the film resistor so that the temperature of the film resistor is a predetermined value. Provided at least at the upstream side of the film resistor near thereto is a shield for reducing the accumulation of deposits on the film resistor. The shield and the film resistor have substantially the same thickness to satisfy the condition:l/t.ltoreq.50where l is a distance therebetween and t is a thickness thereof.Type: GrantFiled: November 12, 1986Date of Patent: November 22, 1988Assignee: Nippon Soken, Inc.Inventors: Minoru Ohta, Kazuhiko Miura, Seizi Huzino, Kenji Kanehara, Tadashi Hattori
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Patent number: 4783996Abstract: A direct-heated flow measuring apparatus including a substrate, a film resistor for generating heat and sensing its temperature, and a feedback control circuit for controlling the heat generated by the film resistor so that the temperature of the film resistor is a predetermined value. Also, provided in the substrate is an aperture or the like for throttling the heat transfer of the film resistor. Further, a reinforced structure is formed on the part of substrate where the aperture or the like is formed.Type: GrantFiled: January 30, 1986Date of Patent: November 15, 1988Assignee: Nippon Soken, Inc.Inventors: Minoru Ohta, Kazuhiko Miura, Michitoshi Onoda, Yukio Iwasaki, Tadashi Hattori
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Patent number: 4761995Abstract: In a direct-heated flow measuring apparatus including a thin-plate sensing element supported by a supporting member in a passage, a sensing portion for generating heat and detecting the temperature thereof is positioned on the downstream side of the sensing element with respect to a fluid stream.Type: GrantFiled: May 5, 1987Date of Patent: August 9, 1988Assignee: Nippon Soken, Inc.Inventors: Minoru Ohta, Kazuhiko Miura, Michitoshi Onoda, Tadashi Hattori
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Patent number: 4756190Abstract: In a direct-heated flow measuring apparatus including a film resistor having a substrate and a resistance layer thereon, the substrate is supported by a supporting member in a passage. Provided between the substrate and the supporting member is an adiabatic member for enhancing the adiabatic effect of the resistance layer. The substrate is adhered by adhesives having an excellent thermal conductivity coefficient to the adiabatic member, and the supporting member is also adhered by adhesives having an excellent thermal conductivity coefficient to the adiabatic member.Type: GrantFiled: August 8, 1986Date of Patent: July 12, 1988Assignee: Nippon Soken, Inc.Inventors: Minoru Ohta, Michitoshi Onoda, Kazuhiko Miura, Seizi Huzino, Tadashi Hattori
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Patent number: 4735099Abstract: A direct-heated gas-flow measuring apparatus including a measuring tube disposed in the gas stream, a film resistor for generating heat and detecting the temperature thereof, and a feedback control circuit for controlling the heat generated by the film resistor so that the temperature of the film resistor is a predetermined value. Provided in a supporting portion of the film resistor for supporting it to the measuring tube is an aperture for throttling the heat transfer thereof.Type: GrantFiled: November 24, 1986Date of Patent: April 5, 1988Assignee: Nippon Soken, Inc.Inventors: Minoru Ohta, Kazuhiko Miura, Seizi Huzino, Kenji Kanehara, Tadashi Hattori
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Patent number: 4717571Abstract: A method of manufacturing solid or semi-solid dessert products, wherein each of liquid materials for base and one or more kinds of sauces contains an assortment of two or more kinds of gelling agents. Each of liquid materials for a base and one or more kinds of sauces is prepared and then cooled to form a gel and then destroyed to obtain a homogeneous pasty material for base or each of sauces. The resulting pasty material for base is filled into a container and immediately thereafter the resulting one or more kinds of pasty materials for sauces are filled onto, above and/or under the surface of the base material to form an ornamental pattern. Finally the materials filled into a container are cooled for gelling.Type: GrantFiled: January 16, 1986Date of Patent: January 5, 1988Assignee: Morinaga Milk Industry Co., Ltd.Inventors: Shigeo Okonogi, Hiroya Yuguchi, Keizi Morimoto, Minoru Ohta
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Patent number: 4714047Abstract: A method for forming an ultrafine particle film of compound includes the steps of evacuating a vessel provided with an evaporation source in its bottom portion, by which a material to be evaporated is retained, and a base plate in its upper portion, on which ultrafine particles of compound are to be deposited, supplying a reactive gas into the evacuated vessel, evaporating the retained material by heating the evaporation source and making the material interact with the reactive gas to form ultrafine particles of compound and depositing the formed ultrafine particles of compound on the base plate. The reactive gas is directly supplied to an interaction area adjacent to the evaporation source, in which the evaporated material concentrically exists.Type: GrantFiled: April 18, 1986Date of Patent: December 22, 1987Assignee: Nippon Soken, Inc.Inventors: Hirotane Ikeda, Tadashi Hattori, Minoru Ohta, Shinichi Mukainakano
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Patent number: 4705713Abstract: A film resistor for a flow measuring apparatus including: a substrate; a first insulating layer on the substrate; a platinum (Pt) pattern on the first insulating layer; and a second insulating layer on the platinum pattern. A titanium dioxide (TiO.sub.2) layer is provided between each of the first and second insulating layers and the platinum pattern.Type: GrantFiled: February 11, 1986Date of Patent: November 10, 1987Assignee: Nippon Soken, Inc.Inventors: Minoru Ohta, Kazuhiko Miura, Michitoshi Onoda, Yukio Iwasaki, Tadashi Hattori
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Patent number: 4688425Abstract: In a direct-heated flow measuring apparatus including an electric heater of a film resistor type and a temperature-detecting resistor for detecting the temperature within a passage, the flow rate thereof is measured by a sensing circuit. The temperatures of the electric heater and the temperature of the temperature-detecting resistor are compared. The measuring operation of the sensing circuit is stopped when the temperature within the passage is abnormal as indicated by this comparison.Type: GrantFiled: February 19, 1986Date of Patent: August 25, 1987Assignee: Nippon Soken, Inc.Inventors: Kenji Kanehara, Seizi Huzino, Kazuhiko Miura, Minoru Ohta
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Patent number: 4686919Abstract: A method for constructing a large-scale marine structure, which comprises: providing, near a dock (2) of which at least one end faces the waters through a gate (6), a pond (5) having an end thereof facing the waters through another gate (6'); constructing in the dock (2) a plurality of blocks (1A, 1B) for the large-scale marine structure (1); towing out the plurality of blocks (1A, 1B) thus constructed from the dock (2) to the waters, and towing same into the pond (5); tack-welding together the plurality of blocks (1A, 1B) in the floating state in the pond (5); discharging water in the pond (5) to cause the plurality of blocks (1A, 1B) thus tack-welded together to land onto the bottom (5a) of the pond (5); and fully welding together the plurality of blocks (1A, 1B) tack-welded together to construct the large-scale marine structure (1).Type: GrantFiled: December 5, 1985Date of Patent: August 18, 1987Assignee: Nippon Kokan Kabushiki KaishaInventors: Chiaki Kawai, Minoru Ohta, Takahisa Inaba