Keiichi Nakamura
Keiichi Nakamura, Tokyo JP
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20110102907 | ZOOM LENS, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING ZOOM LENS - The zoom lens Z | 05-05-2011 |
Keiichi Nakamura US
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20110025051 | THREADED JOINT FOR STEEL PIPES - A threaded joint for steel pipes comprising a pin ( | 02-03-2011 |
Keiichi Nakamura, Wakayama JP
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20100301603 | THREADED CONNECTION COMPRISING AT LEAST ONE THREADED ELEMENT WITH AN END LIP FOR A METAL TUBE - A threaded tubular connection includes a female threaded portion at a first tubular component end and a male threaded portion at a second tubular component end, the female threaded portion including a female thread, at least one female sealing surface on its inner peripheral surface, and at least one female axial abutment surface, the male threaded portion including a male thread, at least one male sealing surface on its outer peripheral surface, at least one axial abutment surface, and a lip disposed between the sealing surface and an axial abutment surface located at a free end of the threaded portion distant from the thread, the male thread being made up into the female thread such that at least one male axial abutment surface is in contact with at least one female axial abutment surface, at least one male sealing surface being in interference contact with at least one corresponding female sealing surface, the portion of the lip between the sealing surface and the axial abutment surface being radially distant from a corresponding surface of the other threaded portion, at least one leak channel being provided in one of the threaded portions to place the chamber formed between the lip and the corresponding surface of the other threaded portion in communication with the interior of the connection. | 12-02-2010 |
Keiichi Nakamura, Handa-City JP
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20100243635 | CERAMIC HEATER AND METHOD FOR PRODUCING SAME - A method for producing a ceramic heater includes performing firing at 1,600° C. to 1,750° C. in a state in which front and back surfaces of an inner shaped body | 09-30-2010 |
20100254065 | ELECTROSTATIC CHUCK - A ceramic electrostatic chuck according to the present invention includes a dielectric layer, a support layer in contact with the back side of the dielectric layer, and an embedded electrostatic electrode. A wafer can be placed on the dielectric layer. The dielectric layer is formed of sintered aluminum nitride containing Sm and has a volume resistivity in the range of 4×10 | 10-07-2010 |
Keiichi Nakamura, Aichi-Ken JP
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20100244698 | VEHICLE SURROUNDINGS MONITORING SYSTEM AND VEHICLE FOOT ILLUMINATING SYSTEM - A vehicle surroundings monitoring system includes: an image pick-up device ( | 09-30-2010 |
20110261201 | INPUT DEVICE, VEHICLE ENVIRONMENT MONITORING APPARATUS, ICON SWITCH SELECTION METHOD, AND RECORDING MEDIUM - An input device, wherein the screen ( | 10-27-2011 |
Keiichi Nakamura, Toyota-Shi JP
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20100245576 | CALIBRATING APPARATUS FOR ON-BOARD CAMERA OF VEHICLE - There is provided a calibrating apparatus for an on-board camera of a vehicle, which allows speedy, yet reliable decision of acceptance/rejection of calibration result, with a simple apparatus construction, without depending on or being influenced by the calibration environment. An image processing target region on which an image processing for detection of each calibration point in each one of calibration markers in a camera-captured image which is a projecting plane of a camera coordinate system is displayed as a region frame in the form of a graphic image, in superposition with the camera-captured image. | 09-30-2010 |
20100245592 | CALIBRATING APPARATUS FOR ON-BOARD CAMERA OF VEHICLE - Provided is a calibrating apparatus for an on-board camera of a vehicle, which apparatus allows completion of calibration process with a simple additional calibration, even when rejection has issued on the result of automatic calibration. Based upon a camera parameter obtained at the time of completion of adjustment by an automatic adjusting section, a confirmation marker indicating the position of coordinate of a calibration point is displayed in superposition with a camera-captured image. A manual adjusting section adjusts the camera parameter, based on an amount of displacement of the coordinate of the calibration point corresponding to an amount of movement of the confirmation marker moved in response to input of adjustment instruction. In response to input of a determination instruction, a camera parameter setting section sets an undetermined camera parameter at the time of completion of the most recent adjustment by the automatic adjusting section and the manual adjusting section, as the camera parameter. | 09-30-2010 |
20120158256 | DRIVING SUPPORT DEVICE - Provided is a driving support device that allows a driver to confirm the travelling routes of the wheels of a vehicle from an image indicating the circumference of the vehicle. | 06-21-2012 |
Keiichi Nakamura, Wakayama-Shi JP
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20090101247 | Method for producing martensitic stainless steel pipe - A martensitic stainless steel pipe, which comprises specified quantities of C, Si, Mn, P, S, Cr, Ni, Al, N, Cu, Ti, V, Mo, Nb, B and Ca, and the balance being Fe and impurities, has satisfactory toughness at a high strength of 650 MPa or more by yield strength and also excellent hot workability. Therefore, it can be used as a high-strength martensitic stainless steel pipe for carbon dioxide gas corrosion resistant use, to be used in oil and/or gas well environments containing no hydrogen sulfide but carbon dioxide gas. This high-strength martensitic stainless steel pipe is an inexpensive martensitic stainless steel pipe, which does not require an addition of large quantities of expensive elements such as Ni and Mo, and moreover does not require the control of the content of P to a value less than 0.010% by mass. | 04-23-2009 |
20100078936 | THREADED JOINT FOR STEEL PIPES - A threaded joint for steel pipes constituted by a pin having male threads and a box having female threads is improved with respect to ease of insertion of the pin and galling resistance of the threaded portions. The stabbing flanks of the threads in a complete thread portion of one of the pin and a box has a two-step stabbing shape having a chamfer. The two-step stabbing shape has a stabbing flank angle α of 5-45° and a chamfer angle β of 20-60°. The ratio h/H of the chamfer height h to the thread height H of the pin is 0.25-0.50, or the ratio of the cross-sectional area of the chamfered portion to the overall cross-sectional area of the stabbing flank is made at least a value corresponding to a chamfer height ratio h/H of 0.25 and at most a value corresponding to a chamfer height ratio of 0.50. | 04-01-2010 |
20110241340 | THREADED JOINT FOR STEEL PIPES - In a threaded joint for steel pipes comprising a pin ( | 10-06-2011 |
20110297279 | METHOD FOR PRODUCING SEAMLESS STEEL PIPE FOR OIL WELLS EXCELLENT IN SULFIDE STRESS CRACKING RESISTANCE - A high-strength seamless steel pipe for oil wells excellent in sulfide stress cracking resistance which comprises, on the percent by mass basis, C: 0.1 to 0.20%, Si: 0.05 to 1.0%, Mn: 0.05 to 1.0%, Cr: 0.05 to 1.5%, Mo: 0.05 to 1.0%, Al: 0.10% or less, Ti: 0.002 to 0.05% and B: 0.0003 to 0.005%, with a value of equation “C+(Mn/6)+(Cr/5)+(Mo/3)” of 0.43 or more, with the balance being Fe and impurities, and in the impurities P: 0.025% or less, S: 0.010% or less and N: 0.007% or less. The seamless steel pipe may contain a specified amount of one or more element(s) of V and Nb, and/or a specified amount of one or more element(s) of Ca, Mg and REM. The seamless steel pipe can be produced at a low cost by adapting an in-line tube making and heat treatment process having a high production efficiency since a reheating treatment for refinement of grains is not required. | 12-08-2011 |
Keiichi Nakamura, Yokkaichi-City JP
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20100035482 | TERMINAL FITTING - A terminal fitting ( | 02-11-2010 |
20110130051 | FEMALE TERMINAL FITTING | 06-02-2011 |
20120108114 | FEMALE TERMINAL FITTING | 05-03-2012 |
Keiichi Nakamura, Handa-Shi JP
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20090243235 | ELECTROSTATIC CHUCK AND METHOD FOR MANUFACTURING THE SAME - The electrostatic chuck includes a base including an aluminum nitride-containing member; a dielectric layer formed on the base including a member having a volume resistivity of at least 1×10 | 10-01-2009 |
Keiichi Nakamura, Osaka-Shi JP
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20090032150 | Oil country tubular good for expansion in well and manufacturing method thereof - An oil country tubular good for expansion according to the invention is expanded in a well. The oil country tubular good for expansion has a composition containing, in percentage by mass, 0.05% to 0.08% C, at most 0.50% Si, 0.80% to 1.30% Mn, at most 0.030% P, at most 0.020% S, 0.08% to 0.50% Cr, at most 0.01% N, 0.005% to 0.06% Al, at most 0.05% Ti, at most 0.50% Cu, and at most 0.50% Ni, and the balance consisting of Fe and impurities, and a structure having a ferrite ratio of at least 80%. The oil country tubular good for expansion has a yield strength in the range from | 02-05-2009 |
Keiichi Nakamura, Saitama-Shi JP
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20110270309 | TOOTH-HARDENING APPARATUS - A tooth-hardening apparatus according to the present invention includes a tooth-hardening member of a plate shape having a projection on its surface, and a nipple attached on the tooth-hardening member. The nipple has a predetermined hardness to provide a pacifier function and a tooth-hardening function. A space is formed in the tooth-hardening member. The space is covered with an upper transparent cover and a lower transparent cover. | 11-03-2011 |
Keiichi Nakamura, Osaka JP
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20120067127 | METHOD OF EVALUATING FASTENING STATE OF THREADED JOINT OF PIPES OR TUBES, METHOD FOR FASTENING THREADED JOINT OF PIPES OR TUBES, AND APPARATUS FOR EVALUATING FASTENING STATE OF THREADED JOINT OF PIPES OR TUBES - The present invention provides a method which allows simply, easily and accurately evaluating the fastening state of shoulder parts of a threaded joint for use as a joint of pipes or tubes, such as OCTG, during fastening or after fastening. The fastening state evaluation method for a threaded joint | 03-22-2012 |
Keiichi Nakamura, Yokohama-Shi JP
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20140090356 | HEAT RECOVERY STEAM GENERATOR AND POWER PLANT - A heat recovery steam generator has a plurality of heat exchangers, including superheaters | 04-03-2014 |
20140130476 | HEAT RECOVERY STEAM GENERATOR AND POWER PLANT - An auxiliary burner configured to heat exhaust gas on an upstream side of any one of heat exchangers, and a fuel supply system configured to supply fuel to the auxiliary burner. To avoid damage of a heat-transfer pipe by exhaust gas of high temperature, a reference value on which the restriction on the charging quantity to be supplied to the auxiliary burner is based is set, and the charging quantity of fuel to the auxiliary burner is restricted so as not to exceed a limit defined by the reference value. | 05-15-2014 |
20140174053 | HEAT RECOVERY STEAM GENERATOR AND POWER PLANT - According to the embodiment of the present invention, there are provided a first stage auxiliary burner configured to heat up the exhaust gas in the upstream side of the superheater, a second stage auxiliary burner configured to heat up the exhaust gas in the upstream side of the evaporator, a fuel supply system configured to distribute fuel so as to be supplied to the first stage auxiliary burner and the second stage auxiliary burner. Distribution of fuel charged to each of the first stage auxiliary burner and the second stage auxiliary burner is controlled in accordance with a predetermined distribution ratio of each charging quantity to whole charging quantity in all the range thereof. | 06-26-2014 |
Keiichi Nakamura, Kawasaki-Shi JP
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20150031650 | ASCORBIC ACID DERIVATIVE COMPOSITION AND PRODUCTION METHOD OF THE SAME, ASCORBIC ACID DERIVATIVE SOLUTION, AND SKIN EXTERNAL PREPARATION - An ascorbic acid derivative composition of a first aspect according to the present invention consists of a salt of a compound (1) represented by a general formula (1) shown below; and a salt of a compound (2) represented by a general formula (2) shown below, wherein a ratio of the salt of the compound (2) with respect to a total amount of the salt of the compound (1) and the salt of the compound (2) is from 0.1 to 10% by mass, | 01-29-2015 |
Keiichi Nakamura, Yokohama JP
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20150345387 | PLANT CONTROL APPARATUS AND PLANT STARTING-UP METHOD - In one embodiment, a plant control apparatus controls a combined cycle power generation plant. The plant includes a gas turbine, an exhaust heat recovery boiler including an evaporator to recover heat from an exhaust gas discharged from the gas turbine to generate steam and including a heat exchanger to exchange heat between the steam and an exhaust gas from the gas turbine and generate main steam, and a steam turbine driven by the main steam. The apparatus includes a control unit to increase output of the gas turbine to a target output after the gas turbine is paralleled with a generator. The target output is set so that an exhaust gas temperature of the gas turbine exceeds a maximum operating temperature of the exchanger and that a temperature of the exchanger becomes the maximum operating temperature or less by using a cooling effect given by the main steam. | 12-03-2015 |