Patents by Inventor Chika Honda
Chika Honda 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: 7199899Abstract: A method of recording a transmission image composed of dots on a recording medium having the steps of; moving a recording medium in a sub-scanning direction, and moving a recording head relatively with respect to the recording medium in a main scanning direction which is crossing the sub-scanning direction, wherein a diameter D of a dot recorded on said recording medium falls within a range expressed by 1.5A?D?A+150 [?m], wherein, A=max(Pm, Ps), Pm=pitch of an array of pixels in the main scanning direction, Ps=pitch of an array of pixels in the sub-scanning direction.Type: GrantFiled: June 24, 2002Date of Patent: April 3, 2007Assignee: Konica CorporationInventors: Akira Yamano, Masayuki Nakazawa, Chika Honda
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Patent number: 7190761Abstract: A X-ray image radiographing method of detecting a X-ray image passing an object irradiated with X-ray emitted from a X-ray tube by a X-ray detector, includes a step of increasing a sharpness of an image lowered due to penumbra by enhancing an edge of the image with refraction contrast enhancement.Type: GrantFiled: July 14, 2000Date of Patent: March 13, 2007Assignee: Konica CorporationInventors: Chika Honda, Akira Ishisaka, Hiromu Ohara
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Patent number: 7184516Abstract: An X-ray image radiographing system for radiographing a subject is provided with an X-ray source to emit X-rays; a digital X-ray detector to detect a digital X-ray image of the subject, wherein the subject is placed between the X-ray source and the digital X-ray detector in an arrangement to satisfy the following formulas so that an edge of the digital X-ray image is enhanced oven an edge-enhanced width: 0.1 m?R1?10 m, and 0.15 m?R2?10 m, where R1 is a distance between the X-ray tube and the subject and R2 is a distance between the subject and the digital X-ray detector. The digital X-ray detector has a pixel size almost equal to the half of the edge-enhanced width.Type: GrantFiled: December 12, 2002Date of Patent: February 27, 2007Assignee: Konica CorporationInventors: Hiromu Ohara, Chika Honda
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Patent number: 6806473Abstract: A radiation image detector is provided with a first layer to emit light corresponding to a strength of a radiation incident thereon; a second layer to convert the light emitted from the first layer into electric energy; a third layer to accumulate the electric energy obtained by the second layer and to output a signal based on the accumulated electric energy so that the radiation image detector outputs an image signal corresponding to the incident radiation based on the signal outputted from the third layer; and a forth layer made of a resin and to hold the first, second and third layers.Type: GrantFiled: July 22, 2002Date of Patent: October 19, 2004Assignee: Konica CorporationInventors: Chika Honda, Hiromu Ohara, Hiroshi Kita, Kazuo Genda
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Patent number: 6731413Abstract: In an ink-jet recording apparatus, when an intensity of the energy of electromagnetic waves of a predetermined region is E and an optical density of the image recorded on a recording medium based on an image signal is D, a controller conducts the image recording such that a characteristic curve representing a change of the optical density D for a logarithm of the energy intensity E becomes a monotone increasing function or a monotone decreasing function. When &ggr;1, &ggr;2 and &ggr;3 are defined on the characteristic curve such that an inclination of a line connecting points corresponding to E1 and E2 is &ggr;1, an inclination of a line connecting points corresponding to E3 and E4 is &ggr;2, and an inclination of a line connecting points corresponding to E5 and E6 is &ggr;3, the characteristic curve is determined so as to satisfy the following formulas: |&ggr;1|<|&ggr;2| and |&ggr;3|<|&ggr;2|.Type: GrantFiled: July 21, 2000Date of Patent: May 4, 2004Assignee: Konica CorporationInventors: Masayuki Nakazawa, Chika Honda
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Publication number: 20030123611Abstract: An X-ray image radiographing system for radiographing a subject is provided with an X-ray source to emit X-rays; a digital X-ray detector to detect a digital X-ray image of the subject, wherein the subject is placed between the X-ray source and the digital X-ray detector in an arrangement to satisfy the following formulas so than an edge of the digital X-ray image is enhanced oven an edge-enhanced width: 0.1 m≦R1≦10 m, and 0.15 m≦R2≦10 m, where R1 is a distance between the X-ray tube and the subject and R2 is a distance between the subject and the digital X-ray detector. The digital X-ray detector has a pixel size almost equal to the half of the edge-enhanced width.Type: ApplicationFiled: December 12, 2002Publication date: July 3, 2003Inventors: Hiromu Ohara, Chika Honda
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Publication number: 20030029380Abstract: There is described a medical image recording apparatus, which records a medical image on a recording medium based on image data. The apparatus includes an ink-jetting head to emit ink particles onto the recording medium and a controlling section to control the ink-jetting head, so that a total amount of the ink particles per unit area, emitted by the ink-jetting head and adhered onto the recording medium, is maintained at substantially a constant value even if density of a solid-tone image area varies within density range D. With respect to at least one of combinations of values k1, k2 selected under conditions of 0≦k1<1, 0<k2<1.0, and k1<k2, the density range D fulfils the equation of Dmin+k1(Dmax−Dmin)≦D≦Dmin+k2(Dmax−Dmin), where, Dmax is a recordable maximum-density, and Dmin is a recordable minimum-density.Type: ApplicationFiled: June 28, 2002Publication date: February 13, 2003Inventors: Masayuki Nakazawa, Akira Yamano, Chika Honda
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Publication number: 20030025084Abstract: A radiation image detector is provided with a first layer to emit light corresponding to a strength of a radiation incident thereon; a second layer to convert the light emitted from the first layer into electric energy; a third layer to accumulate the electric energy obtained by the second layer and to output a signal based on the accumulated electric energy so that the radiation image detector outputs an image signal corresponding to the incident radiation based on the signal outputted from the third layer; and a forth layer made of a resin and to hold the first, second and third layers.Type: ApplicationFiled: July 22, 2002Publication date: February 6, 2003Applicant: KONICA CORPORATIONInventors: Chika Honda, Hiromu Ohara, Hiroshi Kita, Kazuo Genda
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Publication number: 20030007194Abstract: A method of recording a transmission image composed of dots on a recording medium having the steps of; moving a recording medium in a sub-scanning direction, and moving a recording head relatively with respect to the recording medium in a main scanning direction which is crossing the sub-scanning direction, wherein a diameter D of a dot recorded on said recording medium falls within a range expressed by 1.Type: ApplicationFiled: June 24, 2002Publication date: January 9, 2003Applicant: Konica CorporationInventors: Akira Yamano, Masayuki Nakazawa, Chika Honda
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Patent number: 6474807Abstract: A recording medium for an ink-jet printer comprising an ink-absorbing layer is disclosed. The turbidity of the recording medium is not less than 10% and less than 90%, or transmittance of the recording medium is less than 70% and not less than 35%. recording medium comprises an ink-absorbing layer An image forming method employing the recording medium is also disclosed.Type: GrantFiled: May 2, 2000Date of Patent: November 5, 2002Assignee: Konica CorporationInventor: Chika Honda
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Patent number: 6404848Abstract: A X-ray image forming method, comprising steps of: conducting a magnifying radiography by irradiating an object with divergent X-ray emitted from a X-ray tube; and forming a X-ray image by detecting X-ray passing through the object by a X-ray detector; wherein the magnifying radiography is conducted to satisfy the following formula: 9E≧B, where B is a width (&mgr;m) of a blurred portion of the X-ray image caused by penumbra and E is a width (&mgr;m) of an edge portion enhanced by X-ray refraction contrast.Type: GrantFiled: September 21, 2000Date of Patent: June 11, 2002Assignee: Konica CorporationInventors: Akira Ishisaka, Chika Honda, Hiromu Ohara
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Patent number: 6394650Abstract: A photographic combination for use in radiography to project a refraction contrast image is disclosed, comprising a radiographic intensifying screen and a silver halide light sensitive photographic material, wherein the photographic material comprises a support having on only one side of the support a light sensitive layer, the photographic combination exhibiting a speed of 200 to 750. A radiographic system comprising an X ray source and the photographic combination is also disclosed.Type: GrantFiled: October 23, 2000Date of Patent: May 28, 2002Assignee: Konica CorporationInventors: Hiromu Ohara, Chika Honda, Akira Ishisaka
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Patent number: 5001046Abstract: A sheet of silver halide photographic light-sensitive material is disclosed, which is suitable for an ultra-rapid processing and improved on decreased fog due to corner cutting the sheet. The sheet of photographic material is comprised of a light-sensitive layer, provided on a support, containing a silver halide grain composed of at least two phases and the silver iodide content of outermost phase is at least 1 mol % lower than that of inside phase contiguous to said outermost phase, and 10% to 100% of surface area of said silver halide grain is occupied with (111) face, and the total gelatin amount of component layers on the same side of the support including said light-sensitive layer is within the range of from 2.0 g/m.sup.2 to 3.5 g/m.sup.2.Type: GrantFiled: January 18, 1990Date of Patent: March 19, 1991Assignee: Konica CorporationInventors: Chika Honda, Haruhiko Sakuma
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Patent number: 4925783Abstract: Disclosed is a light-sensitive silver halide photographic material having at least one layer comprising a silver halide photographic emulsion, wherein the silver halide photographic emulsion is obtained by addition of a spectral sensitizing dye during the desalting step in obtaining the emulsion.According to the present invention, there can be obtained a highly sensitive light-sensitive material with little stain, good pressure blackening performance and yet great absorption of the dye.Type: GrantFiled: May 2, 1988Date of Patent: May 15, 1990Assignee: Konica CorporationInventors: Iku Metoki, Chika Honda, Yasunori Wada
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Patent number: 4731322Abstract: A light-sensitive silver halide photographic material for X-ray photography characterized in that the material has the characteristic curve whose gamma between optical densities of 0.50 and 1.50 is 2.7 to 3.3 and gamma between optical densities of 2.00 and 3.00 is 1.5 to 2.5, when processed by use of the following developer:______________________________________ Potassium sulfite 55.0 g Hydroquinone 25.0 g 1-Phenyl-3-pyrazolidone 1.2 g Boric acid 10.0 g Potassium hydroxide 21.0 g Triethylene glycol 17.5 g 5-Methylbenztriazole 0.04 g 5-Nitrobenzimidazole 0.11 g 1-Phenyl-5-mercaptotetrazole 0.015 g Glacial acetic acid 16.0 g Potassium bromide 4.0 g Add water to make up one liter.Type: GrantFiled: July 29, 1986Date of Patent: March 15, 1988Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Akio Suzuki, Masatoshi Iwata, Katsutoshi Machida, Chika Honda
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Patent number: 4689292Abstract: A silver halide photographic light-sensitive material having high sensitivity and high covering power, particularly suitable for use in radiography comprising on a support, a silver halide emulsion layer having silver halide grains which have a grain-size distribution curve comprising at least two peaks of which in the mode form, the highest peak mode and another peak mode adjacent thereto stand leaving a space of 0.10.mu. to 0.30.mu. therebetween. An orthochromatic dye-sensitizer increases the sensitivity.Type: GrantFiled: November 4, 1985Date of Patent: August 25, 1987Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Iku Metoki, Akio Suzuki, Eiji Yoshida, Kiyoshi Sato, Masumi Hosaka, Chika Honda
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Patent number: 4639417Abstract: A silver halide X-ray photosensitive material has a support bearing thereon a silver halide emulsion layer. The layer has at least three kinds of silver halide emulsions whose photographic characteristics are substantially different from each other. Out of at least three kinds of the silver halide emulsions, at least one of them is a monodisperse emulsion E.sub.1 and at least another one of them is a polydisperse emulsion E.sub.2.Type: GrantFiled: January 25, 1985Date of Patent: January 27, 1987Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Chika Honda, Akio Suzuki, Katsutoshi Machida, Masatoshi Iwata
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Patent number: 4446228Abstract: A silver halide photographic material comprising a base having formed thereon a silver halide emulsion layer substantially made of two or more monodisperse emulsions having different average grain sizes in the range of from 0.2 to 3.0 .mu.m is disclosed. The grain size distribution curve of the silver halide grains in said emulsion layer has two or more peaks, and the distance between the highest peak and the second highest peak is at least 0.3 .mu.m.Type: GrantFiled: April 27, 1982Date of Patent: May 1, 1984Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Chika Honda, Masatoshi Iwata, Takeo Koitabashi
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Patent number: 4318979Abstract: A light-sensitive silver halide photographic material comprising a combination of a salt of tetrazolium containing only a non-metallic anion and a salt of tetrazolium containing a metallic anion.Type: GrantFiled: December 10, 1980Date of Patent: March 9, 1982Assignee: Konishiroku Photo Industry Co., Ltd.Inventors: Takeshi Habu, Chika Honda