baber/WOPTO huggingface dataset:
Patent JP-2004264628-A (JP)
Title: Optical transmission module
Inventor: SHIMIZU NAOFUMI
IPC: G02F1/01
Filed: 2003-03-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical transmission module for realizing an optical transmitting machine which can be used for an optical communication system having ≥100 Gbit/s transmission rate per one channel.  <P>SOLUTION: The optical transmission module has a structure constituted of a semiconductor laser, an optical modulator and a driver circuit of the optical modulator on a semi-insulating substrate. Thereby, the identical impedance can be incorporated from the driver circuit to a termination resistor and unnecessary power loss is eliminated. The operating point of the optical modulator is made to be easily adjusted by forming ground wiring of a semiconductor laser system and an optical modulator system isolatedly from each other.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004261443-A (JP)
Title: Golf club
Inventor: SHIRAISHI TAKAYUKI
IPC: A63B53/04
Filed: 2003-03-03
Abstract: <P>PROBLEM TO BE SOLVED: To provide a golf club capable of surely increasing a flight distance as compared with a golf club provided with a conventional golf club head.  <P>SOLUTION: The golf club 10 is provided with both a grip 14 at a rear end part of a golf club shaft 12 and a golf club head 16 at its tip part. The ratio (H/L) of the face height H of the golf club head 16 to its face width L lies within the range of 0.5-1.2. The ratio (F<SB>b1</SB>/F<SB>t1</SB>)of a primary resonance frequency F<SB>b1</SB>when the tip end part of the golf club shaft 12 is oscillated with the rear end part being fixed to a primary resonance frequency F<SB>t2</SB>when the rear end part of the golf club shaft 12 is oscillated with the tip end part being fixed is 1.9 or higher. The ratio (F<SB>b2</SB>/F<SB>b1</SB>) of a primary resonance frequency F<SB>b1</SB>when the tip end part of the shaft 12 is oscillated with the rear end part being fixed to a primary resonance frequency F<SB>b2</SB>is 4.7 or lower.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004271186-A (JP)
Title: Load characteristic measuring method of active element
Inventor: UENO TOSHIHIRO
IPC: H03F3/193
Filed: 2003-03-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a load characteristic measuring method of an active element capable of measuring the load characteristic of the active element such as an FET simply and quickly.  <P>SOLUTION: An output impedance Z<SB>0</SB>of the active element 11 to be measured is determined beforehand by simulation, measurement or the like. A load impedance ZL in a measuring system is converted into the output impedance Z<SB>0</SB>of the active element 11 by using a transformer or the like, and the load characteristic is measured by reducing a necessary reflected wave power by an active load-pull measuring method.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004269659-A (JP)
Title: Material oil supply nozzle for manufacturing carbon black, and carbon black manufacturing apparatus and method using the same
Inventor: YAMAZAWA TATSUHIKO
IPC: C09C1/48
Filed: 2003-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a material oil supply nozzle for manufacturing carbon black, capable of industrially and efficiently manufacturing a carbon black containing a low rate of grit, and to provide a carbon black manufacturing apparatus and method using the same.  <P>SOLUTION: In this method for manufacturing carbon black, a material oil is ejected out of a plurality of material oil supply nozzles 10 each provided with a nozzle tip 22 into a high-temperature combustion gas flowing in a choke section 21, with the nozzle tips 22 protruding out of the inner wall 21a of the choke section 21. The area ratio Sn/Sc is so set, between the projected areas Sn of the protruding parts 27 of the nozzle tips 22 formed on the cross section of the choke section 21 as seen in the high-temperature combustion gas flow direction and the cross section area Sc of the choke section 21 as seen in the high-temperature combustion gas flow direction, as to fall in the range of 0.1-10%.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004271893-A (JP)
Title: Display unit structure
Inventor: MORI HIDEKAZU
IPC: G02F1/13
Filed: 2003-03-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide thin structure in a display device of a portable information processor including a display unit by using a new mounting method in the structure of the display unit such as an LCD display unit.  <P>SOLUTION: The display device is constituted of the display unit and a cover which covers the rear surface of the display unit, the display unit is provided with glass, a bezel which holds a glass peripheral part and a chassis and the bezel is provided with a drawing part projecting outside the chassis, which is drawn from at least one side of the display unit.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004270077-A (JP)
Title: Pleated skirt, method for making the skirt, and paper pattern of the skirt
Inventor: OTOSHI KAZUNORI
IPC: A41H3/06
Filed: 2003-03-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pleated skirt performing the most natural and stable pleats while comprising straight line pleats not causing a decline in a mass production property, and designed in view of the lady's body shape; to provide a method for making the skirt; and to provide a paper pattern of the pleated skirt suitable for making the pleated skirt.  <P>SOLUTION: The pleated skirt has the following structure: pleats 1a, 1c formed at the center of each of front and back body part fabrics F, B comprise straight pleats; and pleats 1b, 1d formed at the right and left of each of the front and back body part fabrics comprise tapered pleats. Regarding difference between pleats width xw at the waist line w and pleats width xh at the hip line, the pleats 1c at the center of the back body part fabric, and the pleats 1b, 1d respectively at the front and back body part fabrics are set so as to be wider than the pleats 1a at the center of the front body fabric.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2004277288-A (JP)
Title: Method for utilizing active carbon in plant cultivation
Inventor: ABE HISAOKI
IPC: A01N59/00
Filed: 2003-03-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a plant growth promoter having stable treating effects and high persistence and to provide a method for promoting the growth of a plant.  <P>SOLUTION: A hydrogen peroxide generator composed of active carbon generating hydrogen peroxide in the presence of an organic substance is used as the plant growth promoter.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004279132-A (JP)
Title: Shape measuring instrument
Inventor: SHINOZAKI AKIRA
IPC: G01B11/24
Filed: 2003-03-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide an inexpensive and extremely practical shape measuring instrument for measuring the surface shape of a surface to be measured speedily without using any expensive lenses for a scanning optical system.  <P>SOLUTION: The shape measuring instrument obtains the shape of a surface 9 to be measured by allowing luminous flux radiated from a light source 1 to enter the surface 9 to be measured, detecting the reflected luminous flux by a position sensor 6, and measuring an inclination distribution for integration. In the shape measuring instrument, the direction of luminous flux radiated from the light source 1 is changed in real time by a flux direction changing means 3, the luminous flux whose direction is changed by the luminous flux direction changing means 3 is reflected by a plurality of plane mirrors 5 to enter the surface 9 to be measured via a concave mirror 4 provided opposite to the surface 9 to be measured, a direction change angle is changed by the luminous flux direction changing means 3 for scanning the surface 9 to be measured with light for composing a scanning optical system, and the luminous flux direction changing means 3 and the position sensor 6 are provided at the conjugate points of the plane mirror 5, or the concave mirror 4 each other via the surface 9 to be measured.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004292174-A (JP)
Title: Cement composition and concrete product using the same
Inventor: ISHIDA MASAO
IPC: C04B28/02
Filed: 2003-03-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a cement composition which is produced more easily at a lower cost than a resin concrete product and is suitably used for producing a large-size concrete product such as a large-size hand hole; and a concrete product using the cement composition.  <P>SOLUTION: The cement composition at least contains cement, aggregate, and an aqueous polymer and preferably further contains a powder (e.g. a blast furnace slag powder), gypsum, and a high-performance water reducer or a high-performance AE water reducer. The aqueous polymer is preferably at least one polymer selected from among styrene-acrylic polymers and acrylic polymers.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004290336-A (JP)
Title: Vacuum cleaner
Inventor: MIYAHARA TOSHIFUMI
IPC: A47L9/28
Filed: 2003-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vacuum cleaner with reduced number of parts and the number of assembly man-hours.  <P>SOLUTION: The vacuum cleaner has a rotating pipe 9 connected to a hand controller body 7 at the end on the hand controller body 7 side of a hose 8 and a conductive sliding contact plate 10 provided on the outer periphery of the rotating pipe 9. A contact point 13 abutting on the conductive sliding contact plate 10 and electrically connected to an operation switch board 6 is provided on a hand cover 12 covering the operation switch board 6. Accordingly, a separate exclusive cover for mounting the contact point 13 is not necessary, and therefore, the number of parts and the number of assembly man-hours can be reduced.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004291752-A (JP)
Title: Air conditioner for vehicle
Inventor: NARITA MASASHI
IPC: B60H1/00
Filed: 2003-03-26
Abstract: <P>PROBLEM TO BE SOLVED: To improve air-conditioning feeling at the time of a multilevel mode.  <P>SOLUTION: A warm air passage 18 and a cold air passage 19 are laminated in a vertical direction. A foot opening portion, a face opening portion 22, and blow-off mode door 23 are provided in a downstream side of the warm air passage 18 and the cold air passage 19. The blow-off mode door 23 is structured by a place door capable of rotating about a rotating shaft 23a, and the rotating shaft 23a is arranged in a laminating direction (the vertical direction) of the warm air passage 18 and the cold air passage 19. A warm air flowing area and a cold air flowing area are respectively formed in a first side area and a second side area of the plate surface of the blow-off mode door 23 at the time of the multilevel mode. Air in either one of the first and second side areas of the plate surface of the blow-off mode door 23 flows into the face opening portion 22, and air in the other side area flows into the foot opening portion.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004294835-A (JP)
Title: Electronic piano
Inventor: KITAMURA MINEO
IPC: G10B3/12
Filed: 2003-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To simulate musical sound generation timing of a piano when a damper pedal is operated.  <P>SOLUTION: A bottom plate 181 of a frame 18 of a keyboard device 11 is provided with a position detection sensor 24 which detects a key 15 being displaced opposite the bottom surface of the key 15. The position detection sensor 24 is equipped with a plurality of sensor elements which are different in height and detects the position of a pressed key 15. A tone generation indication is outputted with the output of the sensor element at the lowest position. A velocity is determined based upon output timing of each sensor element.When the damper pedal is stepped in, the stepping-in operation is transmitted to the position detection sensor 24 through a wire 33 and a cam 31 and the position detection sensor 24 is displaced to approach an upper key 15.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004293215-A (JP)
Title: Floor structural element for bathroom
Inventor: MIYAZAKI KENICHI
IPC: E04H1/12
Filed: 2003-03-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a floor structural element for a bathroom which excels in a slip-prevention effect, drying performance, cleanliness, cleaning performance and a design property.  <P>SOLUTION: The floor structural element for the bathroom has a tilted surface subjected to hydrophilic treatment and a groove formed around the tilted surface, in which there is no or almost no step between the tilted surface and the groove in the downstream of the tilted surface. The tilted surface subjected to the hydrophilic treatment comprises a part with water repellency and a part with a hydrophilic property continuously arranged around the part with the water repellency.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2003266173-A (JP)
Title: Vessel
Inventor: MIZUNO HITOSHI
IPC: B22D41/12
Filed: 2003-03-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a vessel in which it is unnecessary to exchange a part such as a stoke, and preheating can efficiently be performed and the temperature drop of molten metal, in case of receiving the molten metal or in the case of supplying the molten metal, can be restrained as lower as possible.  <P>SOLUTION: In the vessel in which the molten metal can be contained and carried to a using point while the vessel is mounted on a carrying car and supplied into the using point by pressing the inner part, a frame, a first lining which is positioned in the inside of the frame and includes a flowing passage of the molten metal penetrated from a portion near the bottom part in the vessel to an exposed part at the upper surface side of the vessel and has a first density filled up in a zone separating this flowing passage with a space for storing the molten metal in this vessel and filled up till the exposed part at the upper surface side of the vessel, a second lining which is interposed between the frame and the first lining and has a second density having lower density than the first density, and piping which is connected with the flowing passage in the exposed part and has downward inlet and outlet at the tip end part.  <P>COPYRIGHT: (C)2003,JPO
Patent JP-2004304029-A (JP)
Title: Plasma treatment method
Inventor: HORIGUCHI KATSUMI
IPC: C23F1/00
Filed: 2003-03-31
Abstract: <P>PROBLEM TO BE SOLVED: To provide a plasma treatment method for forming a fine hole(or groove) reaching the deep part of a silicon layer by a high etching rate.  <P>SOLUTION: When CF<SB>4</SB>gas is not added to treatment gas (c), the amount of a deposition of deposit 310 at a mask opening is increased in the latter half of etching treatment when a hole is deep, and the aperture diameter Rc1 of the mask is made extremely narrow. When CF<SB>4</SB>gas is added to the treatment gas (b), the amount of deposition of the deposit 310 at the mask opening when all processes of etching treatment are completed is reduced. The aperture diameter Rb1 of the mask is made wider than the aperture diameter Rc1 of the mask when the CF<SB>4</SB>gas is not added to the treatment gas. Thus, it is possible to form a fine hole or a groove having a high aspect rate in the silicon layer.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2003300393-A (JP)
Title: Writing utensil
Inventor: KIDA TADASHI
IPC: B43K3/00
Filed: 2003-04-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a writing utensil which increases its stable gripping sensation when the writing barrel is held by hand and thereby, makes the writer hardly wearisome even during a long time of writing.  <P>SOLUTION: The writing barrel 12 is constituted of a hard part 20 and a soft part 22, and the soft part 22 includes a finger tip supporting region 12a with which the tips of a thumb, a forefinger and a middle finger normally come into contact and an interfinger part supporting region 12 with which the part between the thumb and the forefinger normally comes into contact, when the writer grips the writing barrel 12.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2003323908-A (JP)
Title: Contact heater/humidifier for fuel cell system
Inventor: MEISSNER ALAN P
IPC: H01M8/04
Filed: 2003-04-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a contact heater/humidifier for a fuel cell system wherein membranes is not be dried out by incoming gaseous reactants and the reactant gases are delivered to a fuel cell at a desired elevated target dewpoint temperature range, typically about 63°C.  <P>SOLUTION: Degradation of membranes in fuel cells 10 due to dehydration by relatively dry incoming reactant gases is avoided through the use of humidifiers 56, 58 in the incoming reactant streams 12, 14. At least one of the humidifiers 56, 58 is formed in a stack 66 having alternating flow passages 68, 70 with the former receiving reactant gases and including fins 102 therein and the latter receiving hot coolant from the fuel cell 10. The fins 102 are provided with a hydrophilic coating.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004116512-A (JP)
Title: Fluid flowing device decreasing fluid invasion
Inventor: THOMPSON DAVID J
IPC: F02D41/18
Filed: 2003-04-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a detecting device capable of detecting the state of a fluid flowing inside a vehicle in such a state that sulfur invasion is decreased.  <P>SOLUTION: A device (10) has a base plate (12), and the base plate has a receiving surface (20), a peripheral edge section (22) and a printed circuit board (13) arranged on the receiving surface of the base plate. The device (10) further has a housing (15) provided with a peripheral sidewall (23), and the peripheral sidewall is attached to the receiving surface and adjacent the peripheral edge section in order to form a peripheral interface (24) surrounding the printed circuit board inside the housing. The device (10) further has an adhesive (18) arranged on the interface in order for the housing to adhere to the base plate. The adhesive decreases the invasion of fluid flowing through the interface and has a designated thermal expansion ratio and a designated elasticity ratio in order to adapt the thermal expansion of the base plate and the housing.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004305993-A (JP)
Title: Ceramic honeycomb filter and production method therefor
Inventor: ITO TOMONORI
IPC: B01D63/06
Filed: 2003-04-10
Abstract: <P>PROBLEM TO BE SOLVED: To effectively prevent retention of fluid to be filtered and a filtrate inside a filter, and to supply the highly cleaned filtrate.  <P>SOLUTION: The subject ceramic honeycomb filter 1 is provided with a plurality of membrane filter cells 4 sectioned by porous ceramic partitions 2 with filter membranes 3 disposed therein, serving as flow passages of the fluid to be filtered; a plurality of water collection cells 5 sectioned by the partitions 2, adjacent to prescribed membrane filter cells 4 across the partitions 2 and serving as flow passages of the filtrate obtained by filtering the fluid to be filtered by the filter membranes 3; an outer wall 6 surrounding the filter cells 4 and water collection cells 5; water collection slits 7 allowing flowing out of the filtrate passing through the water collection cells 5, penetrating through the water collection cells 5 from one part of the wall 6 at a part distant from both ends of the collection cells 5 of the wall 6 by a prescribed length, and communicated with the other part of the wall 6; and porous filling materials 8 filled in spaces between the end faces of the water collection cells 5 and the water collection slits 7.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2003306878-A (JP)
Title: Method for producing microfibrous suede non-woven fabric and method related to the same
Inventor: ROMANI GIANNI
IPC: D04H1/645
Filed: 2003-04-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a method for producing a suede leather type microfibrous nonwoven fabric in which the necessary amount of an organic solvent used is reduced to minimum or zero and treatment and recovery of the organic solvent in which cost is high are not required and physical and mechanical properties are not inferior, compared with products of the prior art.  <P>SOLUTION: The method for producing the suede leather type microfibrous non-woven fabric comprises (a) a step for spinning a sea-island type bi- component fiber, (b) a step for preparing a felt with the bi-component fiber, (c) a step for carrying out heat-stabilizing treatment of the felt, (d) a step for impregnating the heat-stabilized felt with an aqueous emulsion of polyurethane, (e) a step for fixing the polyurethane to the felt, (f) a step for removing a sea component, (g) a step for re-impregnating the felt with the polyurethane as the aqueous emulsion or in a form of a highly durable solution dissolved in an organic solvent, (h) a step for fixing the polyurethane to the felt and (i) a step for carrying out finishing treatment of the resultant nonwoven fabric.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2004308377-A (JP)
Title: Method and apparatus for removing sediment near intake of water pipe
Inventor: JACOBSEN TOM
IPC: E02B7/18
Filed: 2003-04-10
Abstract: <P>PROBLEM TO BE SOLVED: To remove deposit etc. by continuously and efficiently discharging sediment around a water pipe for power generation, to secure a water flow passage by preventing the accumulation of the sediment around the water pipe for power generation, and to prevent the mixing of the sediment into the water pipe for power generation and the closing of the intake, in a hydraulic power production plant using a check dam.  <P>SOLUTION: The water pipe for power generation positioned between the upstream and downstream sides of a body of dam and equipped with a siphon function, and a pipe with an opening having both the front and rear ends opened are constituted as a set; the front opening end of the pipe with the opening is positioned on the upstream side of the body of the dam; the rear opening end of the pipe with the opening is positioned on the downstream side of the body of the dam; the pipe with the opening is arranged in the state of being kept in a lower position near the intake of the water pipe for power generation; water flows in from the upstream opening end of the pipe with the opening by a negative pressure generated by the flow of the water through a pipeline of the pipe with the opening; and in this case, the deposit and the sediment below and around the water pipe for power generation are sucked in from the opening of the pipe.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004315890-A (JP)
Title: Steel having excellent rolling fatigue life, and its production method
Inventor: IWAMOTO TAKASHI
IPC: F16C33/34
Filed: 2003-04-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide a steel which has an excellent rolling fatigue life to prolong further the life of bearings even under the using condition severer than the conventional case, and to provide its production method.  <P>SOLUTION: The steel is obtained by successively subjecting a steel stock comprising, by mass, 0.7 to 1.1% C, 0.2 to 2.0% Si, 0.4 to 2.5% Mn, 1.6 to 4.0% Cr, 0.1 to <0.5% Mo, and 0.010 to 0.050% Al, and the balance Fe with inevitable impurities to spheroidizing annealing, quenching, and tempering. The steel has a microstructure consisting of residual cementite with a grain size of 0.05 to 1.5 μm and old austenite with a grain size of 30 μm after quenching and tempering.  <P>COPYRIGHT: (C)2005,JPO&NCIPI