Patents by Inventor Takeshi Miyazaki

Takeshi Miyazaki 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).

  • WATER-INSOLUBLE COLORING MATTER COMPOUND, INK USING THE WATER-INSOLUBLE COLORING MATTER COMPOUND, THERMAL TRANSFER RECORDING SHEET AND RESIST COMPOSITION FOR COLOR FILTER
    Publication number: 20140205773
    Abstract: An object of the present invention is to provide a water-insoluble coloring matter compound having high solubility for a solvent and high lightness and chroma and providing a chromaticity closer to the magenta chromaticity represented by the Adobe RGB color space, A water-insoluble coloring matter compound represented by the formula (1) is provided; wherein R1 and R2 represent an alkyl group, and R3 represents an alkyl group, an aryl group, or an alkoxy group. And the alkyl group, the aryl group and the alkoxy group regarding to R1 to R3 are capable of having a substituent.
    Type: Application
    Filed: October 2, 2012
    Publication date: July 24, 2014
    Inventors: Taichi Shintou, Takayuki Ujifusa, Masao Nakano, Yutaka Tani, Satoshi Saito, Takeshi Miyazaki
  • Illumination optical system including light guide on which blue light is incident at one end surface and green and red light are incident on a side surface, and projector including the same
    Patent number: 8777422
    Abstract: An illumination optical system includes: a light source device including: a red light-emitting device that emits red light; a blue light-emitting device that emits blue light; and a fluorescence plate comprising a green fluorescence region and a light transmission region, wherein the green fluorescence region is excited by the blue light to emit green light, and the light transmission region transmits the blue light; a light guide including a dichroic layer therein, wherein the dichroic layer is arranged to intersect a center axis of the light guide at about 45 degree to transmit the blue light while reflecting the green light and the blue light; a mirror group and a lens group. The blue light transmitted through the light transmission region is incident on an end surface of the light guide, and the red light and the green light are incident on a side surface of the light guide.
    Type: Grant
    Filed: June 23, 2011
    Date of Patent: July 15, 2014
    Assignee: Casio Computer Co., Ltd.
    Inventor: Takeshi Miyazaki
  • TONER
    Publication number: 20140170552
    Abstract: The toner includes toner base particles, each of which contains a binder resin, a wax and a coloring agent, and a coloring matter compound represented by the general formula (1) is contained as the coloring agent. wherein R1, R2, R6 represent an alkyl group, R3 to R5 represent an alkyl group, or satisfy either of the following conditions i) and ii): i) R3, R4 are bonded to each other, so as to form a cyclic organic functional group, and R5 represents an alkyl group; ii) R3 to R5 are bonded to one another, so as to form a cyclic organic functional group R7, R8 represent an alkyl group or an acyl group, or R7, R8 are bonded to each other, so as to form a cyclic organic functional group.
    Type: Application
    Filed: February 18, 2014
    Publication date: June 19, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Taichi Shintou, Akiko Kitao, Yuko Katsumoto, Takeshi Miyazaki
  • YELLOW TONER
    Publication number: 20140170553
    Abstract: The present invention provides a yellow toner having high compatibility of a colorant with a binder resin, having good chroma, and being useful for broadening the green color gamut. The yellow toner contains the binder resin and the colorant, wherein the colorant contains a compound represented by the general formula (1).
    Type: Application
    Filed: February 18, 2014
    Publication date: June 19, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Shosei Mori, Takeshi Sekiguchi, Yuko Katsumoto, Taichi Shintou, Takayuki Ujifusa, Takeshi Miyazaki
  • COLORING MATTER COMPOUND, INK, RESIST COMPOSITION FOR COLOR FILTER, AND HEAT-SENSITIVE TRANSFER RECORDING SHEET
    Publication number: 20140158955
    Abstract: The coloring matter compound is represented by the following general formula (1): wherein R1 and R2 each independently represent an alkyl group or an acyl group, or R1 and R2 may be bonded to each other so as to form a cyclic organic functional group containing, as a hetero atom, a nitrogen atom to which R1 and R2 are bonded; R3 and R4 each independently represent an alkyl group; R5 and R6 each independently represent an alkyl group or an alkoxy group; R7 represents a hydrogen atom, an alkyl group or an alkoxy group; and R8 represents an alkyl group.
    Type: Application
    Filed: February 14, 2014
    Publication date: June 12, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Yuko Katsumoto, Taichi Shintou, Akiko Kitao, Takeshi Miyazaki
  • MAGENTA TONER
    Publication number: 20140162182
    Abstract: An object of the present invention is to provide a magenta toner having high lightness and saturation and having spectral reflection properties having a wider color range. A magenta toner including magenta toner particles each including a binder resin and a colorant, wherein the colorant includes a compound represented by a formula (1): (wherein R1 and R2 represent an alkyl group or an alkoxyalkyl group, and at least one of R1 and R2 has not less than 7 carbon atoms.
    Type: Application
    Filed: July 24, 2012
    Publication date: June 12, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Masao Nakano, Taichi Shintou, Yutaka Tani, Takayuki Ujifusa, Kaoru Takahashi, Satoshi Saito, Takeshi Miyazaki, Masashi Hirose
  • TONER
    Publication number: 20140162183
    Abstract: The present invention provides a toner excellent in light resistance. The toner includes toner base particles, each of which contains a binder resin, a wax and a coloring agent, and a coloring matter compound represented by the general formula (1) is contained as the coloring agent. wherein R1 and R2 each independently represent an alkyl group or an acyl group, or R1 and R2 may be bonded to each other so as to form a cyclic organic functional group containing, as a hetero atom, a nitrogen atom to which R1 and R2 are bonded; R3 and R4 each independently represent an alkyl group; R5 and R6 each independently represent an alkyl group or an alkoxy group; R7 represents a hydrogen atom, an alkyl group or an alkoxy group; and R8 represents an alkyl group.
    Type: Application
    Filed: February 18, 2014
    Publication date: June 12, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Yuko Katsumoto, Akiko Kitao, Taichi Shintou, Takeshi Miyazaki
  • COLORING MATTER COMPOUND, INK, HEAT-SENSITIVE TRANSFER RECORDING SHEET, AND RESIST COMPOSITION FOR COLOR FILTER
    Publication number: 20140163212
    Abstract: The present invention relates to a coloring matter compound that has high saturation and is excellent in light resistance.
    Type: Application
    Filed: February 13, 2014
    Publication date: June 12, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takeshi Sekiguchi, Shosei Mori, Taichi Shintou, Takeshi Miyazaki
  • COLORING MATTER COMPOUND, INK, RESIST COMPOSITION FOR COLOR FILTER, AND HEAT-SENSITIVE TRANSFER RECORDING SHEET
    Publication number: 20140158956
    Abstract: The coloring matter compound is represented by the following general formula (1): wherein R1, R2, R6 represent an alkyl group; R3 to R5 represent an alkyl group, or satisfy either of the following conditions i) and ii): i) R3 and R4 are bonded to each other, so as to form a cyclic organic functional group containing R3, R4 and a carbon atom bonded to R3 and R4, and R5 represents an alkyl group; ii) R3 to R5 are bonded to one another, so as to form a cyclic organic functional group containing R3, R4, R5 and a carbon atom bonded to R3 to R5; and R7, R8 represent an alkyl group or an acyl group, or R7 and R8 are bonded to each other, so as to form a cyclic organic functional group containing R7, R8 and a nitrogen atom bonded simultaneously to R7 and R8.
    Type: Application
    Filed: February 18, 2014
    Publication date: June 12, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Taichi Shintou, Yuko Katsumoto, Akiko Kitao, Takeshi Miyazaki
  • Light source unit and projector
    Patent number: 8746896
    Abstract: A light source unit includes an excitation light source and a luminescent wheel on which luminescent light emitting areas including, on a reflecting surface, red and green luminescent materials which respectively emit light of red and green wavelength band, when receiving excitation light, and a diffuse transmission area which diffuses and transmits excitation light, are aligned end to end in a circumferential direction. An excitation light incident surface of a luminescent material layer of the luminescent wheel has a surface with a plurality of projecting bodies. Regular quadrangular pyramids are arranged thereon in a matrix with outer boundaries of bottom portions of adjacent regular quadrangular pyramids contacting each other. The pyramids rise at a rising angle of at least 30°, and a length of one side of an outer boundary of the bottom portion of the pyramid is between 10 and 100 ?m.
    Type: Grant
    Filed: September 20, 2011
    Date of Patent: June 10, 2014
    Assignees: Casio Computer Co., Ltd., Stanley Electric Co., Ltd.
    Inventors: Naotsugu Ogura, Hideki Nakamura, Takeshi Miyazaki, Osamu Umamine, Hiroki Masuda, Yasuyuki Kawakami
  • YELLOW TONER AND METHOD FOR PRODUCING THE YELLOW TONER
    Publication number: 20140134531
    Abstract: A yellow toner is provided which is much more improved in color development and chroma, and much more improved in light resistance. The yellow toner contains, at least, a binder resin, a wax, and a coloring agent. The coloring agent is a compound represented by the following general formula (1).
    Type: Application
    Filed: January 23, 2014
    Publication date: May 15, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Shosei Mori, Takeshi Sekiguchi, Taichi Shintou, Takeshi Miyazaki
  • ACTIVE MATERIAL, ELECTRODE, SECONDARY BATTERY, BATTERY PACK, ELECTRIC VEHICLE, ELECTRIC POWER STORAGE SYSTEM, ELECTRIC POWER TOOL, AND ELECTRONIC APPARATUS
    Publication number: 20140129065
    Abstract: A secondary battery includes: a cathode; an anode; and an electrolytic solution. The anode includes a lithium composite oxide represented by following Formula (1), LiwZnxSnyMzO4??(1) where M is one or more of Co, Mg, Ni, Ca, Al, Ti, V, Cr, Mn, Fe, Cu, and Ag; and w to z satisfy 0.3?w?1, 0.3?x?1, 0.8?y?1.2, and (w+x+y+z)=3.
    Type: Application
    Filed: October 21, 2013
    Publication date: May 8, 2014
    Applicant: Sony Corporation
    Inventors: Kenta Yamamoto, Takayuki Ito, Takeshi Miyazaki, Hidetoshi Ito
  • Manufacturing process for cellular screening substratum, resultant substratum, and method and apparatus for screening
    Patent number: 8709744
    Abstract: The present invention provides cellular screening substrata which can be formed in simple processing steps. The cellular screening substrata can be formed which are characterized in that plural cellular screening substances are positioned and immobilized at predetermined positions on a base by micro-droplet discharging means, and plural areas having different cellular screening functions are formed thereon.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: April 29, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenji Nishiguchi, Takeshi Miyazaki, Ryoichi Matsuda, Kohei Watanabe
  • CENTRAL NERVOUS SYSTEM LABELLING COMPOSITION FOR INTRANASAL ADMINISTRATION AND LABELLING METHOD AND SCREENING METHOD USING CENTRAL NERVOUS SYSTEM LABELLING COMPOSITION FOR INTRANASAL ADMINISTRATION
    Publication number: 20140112869
    Abstract: There is provided a central nervous system labelling composition for intranasal administration for the purpose of labelling the central nervous system from the olfactory epithelium by way of the olfactory bulb and by means of intranasal administration. Additionally, there is provided a method of non-invasively labelling the central nervous system by way of an administration route that entails little transferability to the entire body. Furthermore, there is provided a screening method using a central nervous system labelling composition for intranasal administration.
    Type: Application
    Filed: January 2, 2014
    Publication date: April 24, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Tsuyoshi Nomoto, Kohei Watanabe, Taichi Shintou, Takeshi Miyazaki, Toshio Tanaka, Yuhei Nishimura, Yasuhito Shimada
  • PIGMENT DISPERSION, AND RESIST COMPOSITION FOR COLOR FILTER AND INK COMPOSITION EACH USING THE PIGMENT DISPERSION
    Publication number: 20140113231
    Abstract: To provide a pigment dispersion excellent in dispersibility and spectral characteristics. The pigment dispersion at least includes: a dispersion medium; a compound represented by a general formula (1), the compound being dispersed in the dispersion medium; and a pigment having a quinacridone skeleton, the pigment being dispersed in the dispersion medium: in the general formula (1), R1 and R2 each independently represent a hydrogen atom, an alkyl group, an aryl group, or an aralkyl group.
    Type: Application
    Filed: July 24, 2012
    Publication date: April 24, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Taichi Shintou, Takayuki Ujifusa, Masao Nakano, Yutaka Tani, Kaoru Takahashi, Satoshi Saito, Takayuki Toyoda, Takeshi Miyazaki, Masashi Hirose
  • MAGENTA TONER AND METHOD FOR PRODUCING THE SAME
    Publication number: 20140113229
    Abstract: An object of the present invention is to provide a magenta toner having high dispersibility of a colorant and good spectral characteristics. A magenta toner includes a magenta toner particle including at least a binder resin, a compound represented by the formula (1), and a colorant, wherein the colorant includes a pigment having a quinacridone skeleton: (wherein R1 and R2 each independently represent a hydrogen atom, an alkyl group, an aryl group, or an aralkyl group.
    Type: Application
    Filed: July 24, 2012
    Publication date: April 24, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Yutaka Tani, Masao Nakano, Takayuki Ujifusa, Taichi Shintou, Kaoru Takahashi, Satoshi Saito, Takayuki Toyoda, Takeshi Miyazaki, Masashi Hirose
  • YELLOW TONER
    Publication number: 20140080049
    Abstract: To provide a yellow toner having a colorant in a good dispersed state, obtained through excellent granulation performance and having stable developing performance, the yellow toner contains a binder resin, a wax and a colorant, and is characterized by containing as the colorant a compound represented by the following general formula (1) and a compound represented by the following general formula (2).
    Type: Application
    Filed: June 21, 2012
    Publication date: March 20, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takayuki Ujifusa, Taichi Shintou, Yutaka Tani, Masao Nakano, Kaoru Takahashi, Satoshi Saito, Takeshi Miyazaki, Masashi Hirose
  • PIGMENT DISPERSION, INK COMPOSITION INCLUDING PIGMENT DISPERSION, AND COLOR FILTER YELLOW RESIST COMPOSITION INCLUDING PIGMENT DISPERSION
    Publication number: 20140080063
    Abstract: The present invention provides a pigment dispersion excellent in dispersibility. Furthermore, the present invention provides a color filter yellow resist composition and an ink composition, which include the pigment dispersion. A pigment dispersion containing at least a compound represented by General formula (1) and a yellow pigment represented by General formula (2) in a dispersion medium and a method for manufacturing the same are provided. Furthermore, a color filter yellow resist composition and an ink composition are provided, wherein images can be displayed with high spectral characteristics and high display contrast because the brightness is high and the hue of yellow is excellent.
    Type: Application
    Filed: April 23, 2012
    Publication date: March 20, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Taichi Shintou, Yutaka Tani, Masao Nakano, Takayuki Ujifusa, Kaoru Takahashi, Satoshi Saito, Takeshi Miyazaki, Masashi Hirose
  • Light source unit that includes a luminescent material layer, a primary light source that emits light to excite the luminescent material layer, and an optical system including a plurality of mirrors, and projector
    Patent number: 8662673
    Abstract: A light source unit and a projector including the light source unit are provided. The light source unit includes a luminous wheel having a segment area on which a luminescent material layer is formed which emits light of a predetermined wavelength band by receiving light, and a segment area which is made into a transmission portion which transmits light, a primary light source which shines light of a visible wavelength band onto the luminous wheel, a secondary light source which emits light of a wavelength band which is different from light from the luminescent material layer and light from the primary light source, a collective optical system which collects light from the luminous wheel and the secondary light source to cause them to converge to a same optical path, and a light source control device which controls the emission of light from the light sources.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: March 4, 2014
    Assignee: Casio Computer Co., Ltd.
    Inventor: Takeshi Miyazaki
  • TONER AND METHOD OF PRODUCING TONER
    Publication number: 20140057202
    Abstract: The present invention provides a toner that exhibits an excellent chromogenicity and provides a method of producing a toner that has an excellent particle size distribution and an excellent chromogenicity, in which a toner containing a binder resin and a colorant that contains a coloring compound with general formula (1), and a method of producing this toner.
    Type: Application
    Filed: August 20, 2013
    Publication date: February 27, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Akiko Kitao, Ryuji Higashi, Taichi Shintou, Takeshi Miyazaki