Patents by Inventor Jun Kawahara

Jun Kawahara 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).

  • Publication number: 20070126694
    Abstract: A display medium including a light-modulating layer containing charged mobile particles assuming a color at a lightness corresponding to the dispersion state of the charged mobile particles and first particles with lower mobility than the charged mobile particles. The first particles assume a color at a lightness that is outside a lightness range that the charged mobile particles can exhibit.
    Type: Application
    Filed: June 7, 2006
    Publication date: June 7, 2007
    Inventors: Hiroaki Moriyama, Yasuo Yamamoto, Jun Kawahara, Masaaki Abe
  • Publication number: 20070120814
    Abstract: The invention provides a display medium having a dimmer layer which comprises at least two kinds of charged mobile fine particles. Each of the at least two kinds of the charged mobile fine particles respectively has different coloration and a different mobility, and the charged mobile fine particles of at least one kind of the at least two kinds show coloration when in a dispersed state. The invention further provides a display device having an electric field forming unit and the dimmer layer. The invention further provides a display method which uses the display medium and includes putting the charged mobile fine particles of at least one of the kinds being dispersed while having other charged mobile fine particles not being dispersed.
    Type: Application
    Filed: May 22, 2006
    Publication date: May 31, 2007
    Inventors: Hiroaki Moriyama, Yasuo Yamamoto, Jun Kawahara, Masaaki Abe
  • Patent number: 7220810
    Abstract: A polymer film having a low dielectric constant is produced polymerizing a raw material gas containing a compound of the formula (1): wherein PCA represents a polycycloaliphatic hydrocarbon group, ALK represents a divalent aliphatic hydrocarbon group, m is 1 or 2, n is 0 or 1, and R1 and R2 represent independently each other an alkyl group, an alkenyl group, an alkynyl group, an alkoxy group, an aryl group or an aryloxy group by a plasma polymerization method.
    Type: Grant
    Filed: June 16, 2005
    Date of Patent: May 22, 2007
    Assignees: Sumitomo Chemical Company, Limited, NEC Corporation, ASM Japan K.K.
    Inventors: Nobutaka Kunimi, Jun Kawahara, Akinori Nakano, Keizo Kinoshita
  • Publication number: 20070103725
    Abstract: The present invention relates to a component mounted to a device and provides a configuration recognizing system, etc. of a device to enable configuration information of the component to be comprehended regardless of electric connection between the component and the device. A configuration recognizing system of a device (electronic device 6, server apparatus 60) with one or a plurality of components (units 41, 42, 43 . . . 4N) mounted includes a displaying unit (tag 101, 102, 103 . . . 10N) that displays configuration information on the component and a recognizing unit (non-contact recognizing unit 12) that recognize the configuration information from the displaying unit of the component mounted to the inside of the case without contact.
    Type: Application
    Filed: January 4, 2007
    Publication date: May 10, 2007
    Applicant: FUJITSU LIMITED
    Inventors: Jun KAWAHARA, Hiroshi MURAKAMI
  • Publication number: 20070063964
    Abstract: A displaying method includes forming nuclear crystals of a metal on an electrode, and depositing a metal on a surface of the nuclear crystals from a solution including a metallic ion, so as to form particles having a particle diameter corresponding to a display color.
    Type: Application
    Filed: January 12, 2006
    Publication date: March 22, 2007
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Jun Kawahara, Yasuo Yamamoto, Kei Shimotani
  • Publication number: 20060290653
    Abstract: A display device of the present invention comprises display unit cells having a display region that shows coloration, a shield region that shields the coloration, and a horizontal projection surface area adjustment unit that relatively changes the horizontal projection surface area in the display region by increasing or decreasing the shielding region; and a display method using the display device.
    Type: Application
    Filed: February 13, 2006
    Publication date: December 28, 2006
    Inventors: Jun Kawahara, Rie Ishii, Takayuki Takeuchi, Hiroaki Moriyama, Yasuo Yamamoto
  • Publication number: 20060290595
    Abstract: The image display device of the present invention includes: a display layer that comprises a photochromic compound and whose regions, which have been irradiated with visible light, can be optically rewritten in a color corresponding to the color of visible light irradiated thereon; a light-emitting layer in which multiple luminescent elements are arranged in a matrix pattern, the elements irradiating visible light to each different region of the display layer by emitting light; and a drive unit provided with an obtaining unit that obtains image data. Based on image data obtained with the obtaining unit, the drive unit drives each luminescent element corresponding to each pixel of an image according to the image data to irradiate the visible light of a color corresponding to each pixel of the image of the image data.
    Type: Application
    Filed: February 14, 2006
    Publication date: December 28, 2006
    Inventors: Takayuki Takeuchi, Yasuo Yamamoto, Jun Kawahara, Hiroaki Moriyama, Rie Ishii
  • Publication number: 20060284829
    Abstract: The invention provides a display medium comprising a light control layer, wherein the light control layer comprises mobile fine particles developing a color in a dispersion state and hetero-particles having characteristics different from those of the mobile fine particles. The invention also provides a display method comprising at least one of the following steps: a step of displaying black color by allowing the mobile fine particles capable of developing a color in a dispersion state to aggregate; a step of displaying a color by allowing the mobile fine particles to disperse; or a step of displaying white color by reflection of the hetero-particles having characteristics different from those of the mobile fine particles.
    Type: Application
    Filed: November 28, 2005
    Publication date: December 21, 2006
    Inventors: Hiroaki Moriyama, Yasuo Yamamoto, Takayuki Takeuchi, Rie Ishii, Jun Kawahara
  • Publication number: 20060285195
    Abstract: The present invention provides a display medium comprising a display layer which selectively displays white or black color, and a light-modulating layer provided on the display layer including mobile fine particles which show coloration in a dispersed state, a display device using the display medium, and a display method using the display medium.
    Type: Application
    Filed: June 8, 2006
    Publication date: December 21, 2006
    Inventors: Hiroaki Moriyama, Yasuo Yamamoto, Jun Kawahara, Rie Ishii, Takayuki Takeuchi
  • Publication number: 20060285194
    Abstract: The present invention provides a display medium comprising a display layer which selectively displays white or black color, and a light-modulating layer provided on the display layer including mobile fine particles which show coloration in a dispersion state, a display device using the display medium, and a display method using the display medium.
    Type: Application
    Filed: February 15, 2006
    Publication date: December 21, 2006
    Inventors: Hiroaki Moriyama, Yasuo Yamamoto, Jun Kawahara, Rie Ishii, Takayuki Takeuchi
  • Publication number: 20060272948
    Abstract: The invention provides a display method, and a display medium and a display device using the method thereof. The display method displays an image through a process for depositing fine metal particles, in which fine metal particles are deposited on a solid surface from an electrolyte by giving one stimulus to the electrolyte, wherein the particle size distribution of the fine metal particles that are deposited on the specific area of the solid surface, has one or more maximum peaks, and at least one of the maximum peaks satisfies the following formula (1): Pp(±30)/Pp(T)?0.5 ??(1) where, Pp(T) means the height of the highest peak among the maximum peaks, and Pp(±30) means the height of the distribution curve at the particle size that is ±30% from the particle size of the fine metal particles at the height of the highest peak.
    Type: Application
    Filed: March 29, 2006
    Publication date: December 7, 2006
    Inventors: Yasuo Yamamoto, Jun Kawahara, Takayuki Takeuchi, Hiroaki Moriyama, Rie Ishii
  • Publication number: 20060215252
    Abstract: The invention provides a display medium including a light-modulating layer that contains mobile fine particles showing coloration in a dispersion state; a display device including a light-modulating layer that contains mobile fine particles showing coloration in a dispersion state, and a fine particle mobile part that is provided close to the light-modulating layer; and a display method using a display medium including a light-modulating layer, the method comprising at least one step selected from showing coloration in the light-modulating layer by dispersing mobile fine particles, and transmitting a light in the light-modulating layer by nondispersing the mobile fine particles.
    Type: Application
    Filed: February 6, 2006
    Publication date: September 28, 2006
    Inventors: Hiroaki Moriyama, Yasuo Yamamoto, Takayuki Takeuchi, Rie Ishii, Jun Kawahara
  • Publication number: 20060215251
    Abstract: The present invention provides a display element including a first electrode, a second electrode, and a light-modulating layer containing transportable charged fine particles showing coloration in a dispersion state. Also, the present invention provides a display element including a plurality of light-modulating unit cells, the unit cells each including a first electrode, a second electrode, and a light-modulating layer containing transportable charged fine particles showing coloration in a dispersion state, wherein the unit cells are layered such that light-modulating faces of the light-modulating layers are overlaid on each other.
    Type: Application
    Filed: August 12, 2005
    Publication date: September 28, 2006
    Inventors: Hiroaki Moriyama, Yasuo Yamamoto, Takayuki Takeuchi, Rie Ishii, Jun Kawahara
  • Patent number: 7101591
    Abstract: This invention provides a process for producing an organic polymer film whereby when using it as an interlayer insulating film in a semiconductor device, the film exhibits higher adhesiveness at its interfaces where other semiconductor materials are in contact with the lower and the upper surface of the film while an effective dielectric constant in the whole organic polymer film can be further reduced. Specifically, a plurality of organic monomers vaporized is sprayed onto a heated substrate surface via plasma generated in a reaction chamber to form a copolymer film comprising frame composed of a plurality of organic monomer units.
    Type: Grant
    Filed: July 1, 2002
    Date of Patent: September 5, 2006
    Assignee: NEC Corporation
    Inventors: Yoshihiro Hayashi, Jun Kawahara
  • Publication number: 20060052560
    Abstract: A copolymer film having a decreased dielectric constant which is produced by supplying at least two organic monomers as raw materials, forming a film of a copolymer comprising a backbone based on said at least two monomers on a surface of a substrate, and heating the copolymer film at a temperature higher than a temperature at which the copolymer film is formed.
    Type: Application
    Filed: July 22, 2005
    Publication date: March 9, 2006
    Applicants: Sumitomo Chemical Company, Limited, NEC CORPORATION, ASM Japan K.K.
    Inventors: Nobutaka Kunimi, Jun Kawahara, Akinori Nakano, Keizo Kinoshita
  • Publication number: 20060009600
    Abstract: A polymer film having a low dielectric constant is produced polymerizing a raw material gas containing a compound of the formula (1): wherein PCA represents a polycycloaliphatic hydrocarbon group, ALK represents a divalent aliphatic hydrocarbon group, m is 1 or 2, n is 0 or 1, and R1 and R2 represent independently each other an alkyl group, an alkenyl group, an alkynyl group, an alkoxy group, an aryl group or an aryloxy group by a plasma polymerization method.
    Type: Application
    Filed: June 16, 2005
    Publication date: January 12, 2006
    Applicants: Sumitomo Chemical Company, Limited, NEC CORPORATION, ASM Japan K.K.
    Inventors: Nobutaka Kunimi, Jun Kawahara, Akinori Nakano, Keizo Kinoshita
  • Publication number: 20050282987
    Abstract: A copolymerized high polymer film includes plural organic polymers, as skeleton, and is manufactured by blowing more than two kinds of organic monomers of respectively specific structures, in a vapor phase condition, onto the surface of a heated substrate, through plasma being generated in a reaction chamber. As a result, manufacture of an organic high polymer film capable of further reducing the effective relative permittivity of organic polymer films as a whole can be achieved, and, at the same time, further improvement in mechanical strength of film as well as film forming speed can be achieved.
    Type: Application
    Filed: May 27, 2005
    Publication date: December 22, 2005
    Applicants: NEC Corporation, Sumitomo Chemical Company Limited, ASM Japan K.K.
    Inventors: Jun Kawahara, Keizo Kinoshita, Nobutaka Kunimi, Akinori Nakano
  • Publication number: 20050059788
    Abstract: An organic polymer film with high mechanical strength, which is produced by a method comprising the steps of supplying a raw material gas containing an organic compound having at least one carbon-carbon triple bond in a molecule into a reaction chamber under reduced pressure, exciting the raw material gas in plasma generated in the reaction chamber, depositing the excited raw material gas on a surface of a substrate placed in the reaction chamber, and growing an organic polymer film on the surface of the substrate.
    Type: Application
    Filed: July 29, 2004
    Publication date: March 17, 2005
    Applicants: Sumitomo Chemical Company, Limited, NEC CORPORATION
    Inventors: Nobutaka Kunimi, Masashi Komatsu, Jun Kawahara, Yoshihiro Hayashi
  • Patent number: 6850356
    Abstract: The present invention relates to an optical element including at least; two substrates oppositely arranged; a liquid disposed between the facing surfaces of the substrates; and a chargeable polymer disposed between the facing surfaces of the substrates for swelling or contracting by absorbing or releasing the liquid when an electric field is applied, wherein (1) an area of each adhering fixing portion is smaller than a maximum sectional area of the chargeable polymer particle at the time of maximum swelling, and (2) a non-adhesive portion surrounds each adhering fixing portion, and the non-adhesive portion is disposed at least at a largest outer circumference of the chargeable polymer particle at the time of maximum swelling and extends inside the largest outer circumference of the chargeable polymer at the time of maximum swelling.
    Type: Grant
    Filed: January 8, 2004
    Date of Patent: February 1, 2005
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Jun Kawahara, Masahiro Moriyama, Ryojiro Akashi
  • Publication number: 20040252358
    Abstract: The present invention relates to an optical element including at least; two substrates oppositely arranged; a liquid disposed between the facing surfaces of the substrates; and a chargeable polymer disposed between the facing surfaces of the substrates for swelling or contracting by absorbing or releasing the liquid when an electric field is applied, wherein
    Type: Application
    Filed: January 8, 2004
    Publication date: December 16, 2004
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Jun Kawahara, Masahiro Moriyama, Ryojiro Akashi