Patents by Inventor Hiroaki Moriyama

Hiroaki Moriyama 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: 20100225998
    Abstract: Particles for display including color particles and a silicone polymer attached to a surface of the color particles, the silicone polymer including, as copolymerization components, a first silicone chain component, a second silicone component including a silicone chain that is shorter than a silicone chain of the first silicone component, and a component including a charging group
    Type: Application
    Filed: September 8, 2009
    Publication date: September 9, 2010
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yasuo YAMAMOTO, Hiroaki MORIYAMA, Yoshinori MACHIDA
  • Publication number: 20100225997
    Abstract: White particles for display including first white particles that move in response to an electric field and second white particles that do not move in response to an electric field, the second white particles having a volume average particle size that is less than that of the first white particles, and a ratio of the numerical amount of the first white particles/the second white particles (L/S) satisfying the following relationship: 1/(5.1×107)?L/S?1/(2.8×104).
    Type: Application
    Filed: September 2, 2009
    Publication date: September 9, 2010
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yasuo YAMAMOTO, Hiroaki MORIYAMA, Yoshinori YAMAGUCHI
  • Patent number: 7715086
    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: Grant
    Filed: March 29, 2006
    Date of Patent: May 11, 2010
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yasuo Yamamoto, Jun Kawahara, Takayuki Takeuchi, Hiroaki Moriyama, Rie Ishii
  • Patent number: 7705114
    Abstract: A method for producing a polymer organic electronic material comprising: synthesizing a polymer organic electronic material by condensing a precursor monomer for the polymer organic electronic material in the presence of a metal catalyst, preparing a polymer organic electronic material solution by dissolving the polymer organic electronic material in an organic solvent, and removing metal ions, which originate from the metal catalyst, from the polymer organic electronic material solution by using an ion exchange resin; a polymer organic electronic material which can be obtained by the method; and an organic electroluminescent device which uses the polymer organic electronic material.
    Type: Grant
    Filed: February 10, 2006
    Date of Patent: April 27, 2010
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Tadayoshi Ozaki, Mieko Seki, Yohei Nishino, Koji Horiba, Hirohito Yoneyama, Daisuke Okuda, Hidekazu Hirose, Takeshi Agata, Toru Ishii, Kiyokazu Mashimo, Katsuhiro Sato, Hiroaki Moriyama
  • Patent number: 7688496
    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: Grant
    Filed: May 22, 2006
    Date of Patent: March 30, 2010
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hiroaki Moriyama, Yasuo Yamamoto, Jun Kawahara, Masaaki Abe
  • Publication number: 20100073281
    Abstract: A display medium includes: a pair of substrates having electrodes and disposed to form a space therebetween, at least one of the substrates transmitting light; a dispersion medium enclosed between the substrates; a group of particles that is dispersed in the dispersion medium and that moves in the dispersion medium according to an electric field applied between the substrates; and a treatment layer provided on at least one of surfaces of the substrates that oppose each other, the treatment layer being formed by treating the at least one of surfaces of the substrates that oppose each other with a polymer compound having a silicone chain.
    Type: Application
    Filed: March 5, 2009
    Publication date: March 25, 2010
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Hiroaki MORIYAMA, Yoshinori MACHIDA, Yasuo YAMAMOTO, Ryojiro AKASHI, Akira IMAI
  • Publication number: 20100073280
    Abstract: A particle for a display includes a colored particle containing a colorant and a polymer having a chargeable group; and a polymer gel layer that covers a surface of the colored particle and contains a polymer gel.
    Type: Application
    Filed: March 5, 2009
    Publication date: March 25, 2010
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Ryojiro AKASHI, Akira IMAI, Hiroaki MORIYAMA, Satoshi TATSUURA, Yoshinori YAMAGUCHI
  • Publication number: 20100020384
    Abstract: An image display medium includes a pair of substrates, a liquid that is enclosed between the substrates, first colored particles, second colored particles and third colored particles. The first colored particles are colored a first color and move in response to an electric field that is formed between the substrates. The second colored particles are colored a second color and move in an opposite direction of the first colored particles. The third colored particles are colored a third color, are configured to have a particle diameter such that the third colored particles move through clearances between the first colored particles and the second colored particles in a state in which the first colored particles and the second colored particles have aggregated together, and move in response to an electric field that is formed between the substrates.
    Type: Application
    Filed: December 24, 2008
    Publication date: January 28, 2010
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yoshinori MACHIDA, Hiroaki MORIYAMA, Yasufumi SUWABE, Masaaki ABE, Satoshi TATSUURA, Yoshinori YAMAGUCHI, Hiroshi KAYASHIMA, Kiyoshi SHIGEHIRO
  • Patent number: 7619610
    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: Grant
    Filed: February 13, 2006
    Date of Patent: November 17, 2009
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Jun Kawahara, Rie Ishii, Takayuki Takeuchi, Hiroaki Moriyama, Yasuo Yamamoto
  • Patent number: 7609435
    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: Grant
    Filed: June 7, 2006
    Date of Patent: October 27, 2009
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hiroaki Moriyama, Yasuo Yamamoto, Jun Kawahara, Masaaki Abe
  • Patent number: 7580017
    Abstract: A voltage is supplied from an image writing apparatus to the power receiving electrode of an electronic paper and an optical signal is applied to light receiving elements of the electronic paper from the LEDs of the image writing apparatus. Then, the light receiving elements perform a switching operation to apply the voltage to row electrodes and column electrodes of a display unit including a plurality of pixels, thus making display.
    Type: Grant
    Filed: May 11, 2005
    Date of Patent: August 25, 2009
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yasunori Saito, Tsunemasa Mita, Yasuo Yamamoto, Hiroaki Moriyama, Minoru Koshimizu, Takeo Kakinuma, Tsutomu Ishii, Takayuki Takeuchi, Shigehiko Sasaki
  • Patent number: 7457024
    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: Grant
    Filed: February 14, 2006
    Date of Patent: November 25, 2008
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Takayuki Takeuchi, Yasuo Yamamoto, Jun Kawahara, Hiroaki Moriyama, Rie Ishii
  • Patent number: 7436577
    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: Grant
    Filed: June 8, 2006
    Date of Patent: October 14, 2008
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hiroaki Moriyama, Yasuo Yamamoto, Jun Kawahara, Rie Ishii, Takayuki Takeuchi
  • Patent number: 7414777
    Abstract: An image display medium has: a display substrate that is at least transparent; a back substrate opposing the display substrate with a gap therebetween; at least two or more kinds of moving particle groups that are chargeable and that are different colors, the moving particle groups being enclosed between the display substrate and the back substrate and moving between the substrates in accordance with an electric field formed between the substrates; a transparent liquid for dispersing the moving particles, the transparent liquid being enclosed between the display substrate and the back substrate; and a colored member disposed between the display substrate and the back substrate, and having gaps through which the moving particle groups can move, and being a color that is different from the colors of the moving particle groups.
    Type: Grant
    Filed: August 7, 2006
    Date of Patent: August 19, 2008
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yoshinori Machida, Yasufumi Suwabe, Hiroaki Moriyama, Yoshiro Yamaguchi, Takeshi Matsunaga, Atsushi Hirano, Kiyoshi Shigehiro
  • Patent number: 7319554
    Abstract: The invention provides a display medium including: a pair of substrates facing one another, at least one of the substrates being transparent; electrodes provided at opposing surfaces of the pair of substrates; and a light modulating layer disposed between the pair of substrates, the light modulating layer containing electrophoretic colored particles, a dispersion medium for dispersing the electrophoretic colored particles, and a reflection member having light reflection characteristics different from those of the electrophoretic colored particles, and the surface of the electrophoretic colored particles and the surface of the reflection member satisfying the following formula (1): 180>|?p??r|?20, in formula (1), ?p representing a contact angle (degrees) between the surface of the electrophoretic colored particles and water, and ?r representing a contact angle (degrees) between the surface of the reflection member and water.
    Type: Grant
    Filed: February 7, 2007
    Date of Patent: January 15, 2008
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masaaki Abe, Hiroaki Moriyama, Yasuo Yamamoto, Yasufumi Suwabe, Yoshinori Machida, Kiyoshi Shigehiro
  • Publication number: 20070188848
    Abstract: An image display medium has: a display substrate that is at least transparent; a back substrate opposing the display substrate with a gap therebetween; at least two or more kinds of moving particle groups that are chargeable and that are different colors, the moving particle groups being enclosed between the display substrate and the back substrate and moving between the substrates in accordance with an electric field formed between the substrates; a transparent liquid for dispersing the moving particles, the transparent liquid being enclosed between the display substrate and the back substrate; and a colored member disposed between the display substrate and the back substrate, and having gaps through which the moving particle groups can move, and being a color that is different from the colors of the moving particle groups.
    Type: Application
    Filed: August 7, 2006
    Publication date: August 16, 2007
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yoshinori Machida, Yasufumi Suwabe, Hiroaki Moriyama, Yoshiro Yamaguchi, Takeshi Matsunaga, Atsushi Hirano, Kiyoshi Shigehiro
  • 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: 7166859
    Abstract: The present invention provides an organic semiconductor transistor element that includes at least a source electrode, a drain electrode, an organic semiconductor formed to be electrically conductive to the source electrode and the drain electrode, and a gate electrode which is both insulated from the organic semiconductor and capable of applying an electric field. The organic semiconductor includes a polymer compound containing an aromatic tertiary amine.
    Type: Grant
    Filed: October 7, 2004
    Date of Patent: January 23, 2007
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Hidekazu Hirose, Mieko Seki, Daisuke Okuda, Tadayoshi Ozaki, Takeshi Agata, Toru Ishii, Kiyokazu Mashimo, Katsuhiro Sato, Hiroaki Moriyama, Yohei Nishino
  • 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