Patents by Inventor Chikara Manabe
Chikara Manabe 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: 8220939Abstract: A screen device of the present invention has a light collecting element array including a plurality of light collecting elements that collect incident light from a projector and a back surface sheet. The back surface sheet includes a first electrode plate, a second electrode plate, a photoconductive layer disposed between the first electrode plate and the second electrode plate, and an image recording layer disposed between the first electrode plate and the photoconductive layer. At the back surface sheet, a light reflecting portion is formed at a light collecting region to which the light collected by the light collecting elements is irradiated, and a light absorbing portion is formed at a non-light collecting region to which the light collected by the light collecting elements is not irradiated.Type: GrantFiled: September 2, 2009Date of Patent: July 17, 2012Assignee: Fuji Xerox Co., Ltd.Inventors: Naoki Hiji, Takeo Kakinuma, Chikara Manabe, Tadayoshi Ozaki
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Patent number: 8179484Abstract: The present invention provides a display medium which prevents a decrease in reflectance during storage at high temperatures, and a writing apparatus using the display medium. A photoconductive layer 24, a selective light transmission layer 22, and a liquid crystal layer 20 are laminated between substrates 12 and 14, which have electrodes 16 and 18, respectively, to form a display medium 10. The selective light transmission layer 22 as a color layer is composed of a deionized material. The ion concentration of the selective light transmission layer 22 is controlled to be within a predetermined range.Type: GrantFiled: June 23, 2008Date of Patent: May 15, 2012Assignee: Fuji Xerox Co., Ltd.Inventors: Hideo Kobayashi, Masaaki Araki, Takehito Hikichi, Takeo Kakinuma, Naoki Hiji, Chikara Manabe, Motohiko Sakamaki, Hiroe Okuyama, Shigeru Yamamoto
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Patent number: 8070982Abstract: A liquid crystal-containing composition includes a microcapsule. In the microcapsule, a liquid crystal is encapsulated by a shell material component containing polyurea. Monomer components included in the polyurea include a polyisocyanate component, a high molecular weight polyamine component and a low molecular weight polyamine component.Type: GrantFiled: October 8, 2008Date of Patent: December 6, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Naoki Hiji, Takeo Kakinuma, Chikara Manabe, Tadayoshi Ozaki
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Patent number: 8052952Abstract: Provided is a nanotube-polymer composite which can effectively utilize characteristics of a carbon nanotube structure. The composite includes a carbon nanotube structure and a polymer, in which: the carbon nanotube structure has a network structure constructed by mutually cross-linking functional groups bonded to multiple carbon nanotubes through chemical bonding of the functional groups together; and the polymer is filled in the network structure.Type: GrantFiled: February 1, 2010Date of Patent: November 8, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Miho Watanabe, Kentaro Kishi, Chikara Manabe, Kazunori Anazawa, Masaki Hirakata, Taishi Shigematsu, Hiroyuki Watanabe, Takashi Isozaki, Shigeki Ooma, Shinsuke Okada
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Patent number: 8048490Abstract: Provided are a carbon nanotube structure more excellent in electric conductivity, thermal conductivity, and mechanical strength, and a method of manufacturing the carbon nanotube structure. A carbon nanotube composite structure is characterized by including: a first carbon nanotube structure in which functional groups bonded to plural carbon nanotubes are chemically bonded and mutually cross-linked to construct a network structure; and a second carbon nanotube structure in which functional groups bonded to plural carbon nanotubes are chemically bonded and mutually cross-linked to construct a network structure, the second carbon nanotube structure being combined with the network structure of the first carbon nanotube structure.Type: GrantFiled: February 20, 2009Date of Patent: November 1, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Miho Watanabe, Chikara Manabe, Taishi Shigematsu, Kazunori Anazawa, Takashi Isozaki, Kentaro Kishi, Masaki Hirakata, Shigeki Ooma, Shinsuke Okada, Hiroyuki Watanabe
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Publication number: 20110162695Abstract: A solar cell includes a p-type semiconductor substance, and an n-type semiconductor substance. The p-type semiconductor substance and the n-type semiconductor substance form a pn junction or a pin junction, and the p-type semiconductor substance or the n-type semiconductor substance includes a structure film having a plurality of carbon nanotubes electrically connected to each other.Type: ApplicationFiled: March 11, 2011Publication date: July 7, 2011Applicant: FUJI XEROX CO., LTD.Inventors: Kei SHIMOTANI, Chikara Manabe, Takashi Morikawa
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Publication number: 20110141383Abstract: A writing device for writing an image to a display medium, the writing device applies a voltage between a pair of electroconductive layers and irradiates light onto a photosensitive layer. The light irradiates onto a region of the photosensitive layer that overlaps a region of the display layer where liquid crystal of a first display layer undergoes transition to the light-reflecting state, and applies a voltage between the pair of electroconductive layers for a time period such that a voltage equal to or larger than a second threshold voltage is applied to a region of the display layer unit where the liquid crystal of the first display layer is to undergo transition to the light-reflecting state, and a voltage smaller than the second threshold voltage is applied to a region of the display layer unit overlapped by a region of the photosensitive layer to which no light is irradiated.Type: ApplicationFiled: May 10, 2010Publication date: June 16, 2011Applicant: FUJI XEROX CO., LTD.Inventors: Taijyu GAN, Masahiro Sato, Haruo Harada, Takashi Morikawa, Chikara Manabe, Chisato Urano, Atsushi Hirano, Hiroshi Arisawa
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Patent number: 7939143Abstract: A liquid crystal-containing composition includes a cholesteric liquid crystal and a microcapsule wall that encapsulates the cholesteric liquid crystal, the microcapsule wall includes at least one material selected from polyurethane and polyurea, and the content of the microcapsule wall with respect to 100 parts by weight of the cholesteric liquid crystal is from about 0.1 parts to about 11 parts by weight.Type: GrantFiled: May 27, 2009Date of Patent: May 10, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Chikara Manabe, Naoki Hiji, Takeo Kakinuma, Tadayoshi Ozaki
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Patent number: 7928318Abstract: A solar cell includes a p-type semiconductor substance, and an n-type semiconductor substance. The p-type semiconductor substance and the n-type semiconductor substance form a pn junction or a pin junction, and the p-type semiconductor substance or the n-type semiconductor substance includes a structure film having a plurality of carbon nanotubes electrically connected to each other.Type: GrantFiled: July 28, 2005Date of Patent: April 19, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Kei Shimotani, Chikara Manabe, Takashi Morikawa
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Patent number: 7915539Abstract: An electric part including a matrix-shaped nonconductive base member, and a carbon nanotube group that is sealed within the nonconductive base member and includes at least one of a carbon nanotube and a plurality carbon nanotubes that are electrically connected to each other. Substantially only an end portion of the carbon nanotube or at least carbon nanotube contained in the plurality of carbon nanotubes may be exposed from one surface of the nonconductive base member, and an electrode may be connected to a side surface of at least one carbon nanotube included in the carbon nanotube group.Type: GrantFiled: May 8, 2006Date of Patent: March 29, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Miho Watanabe, Hiroyuki Watanabe, Chikara Manabe, Masaaki Shimizu
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Patent number: 7903181Abstract: A recording device includes a first voltage application unit that applies a first voltage to a display layer; a second voltage application unit that applies a second voltage; a first irradiation unit that irradiates to the display layer first light synchronized with the application of the second voltage; a second irradiation unit that irradiates to the display layer a second light after the application of the second voltage is terminated, the second light having a third intensity if the second light is irradiated at an area corresponding to the first tone in the second liquid crystal layer, the second light not being irradiated if the second light is irradiated at an area corresponding to the second tone in the second liquid crystal layer.Type: GrantFiled: March 15, 2010Date of Patent: March 8, 2011Assignee: Fuji Xerox Co., Ltd.Inventors: Atsushi Hirano, Taijyu Gan, Haruo Harada, Takashi Morikawa, Chisato Urano, Yasunori Okano, Hiroshi Arisawa, Takeo Kakinuma, Chikara Manabe
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Publication number: 20110043716Abstract: A display medium comprises: a pair of electrodes to which a voltage is applied; and a liquid crystal layer stack provided between the pair of electrodes. The liquid crystal layer stack contains a first liquid crystal layer having a first liquid crystal that undergoes transition into a specific alignment state in response to the voltage applied to the electrodes becoming equal to or greater than a first voltage value, and a second liquid crystal layer having a second liquid crystal that undergoes transition into the specific alignment state in response to the voltage becoming equal to or greater than a second voltage value. The second voltage value is greater than the first voltage value, and the second liquid crystal has a higher isotropic phase transition temperature than the first liquid crystal.Type: ApplicationFiled: March 22, 2010Publication date: February 24, 2011Applicant: FUJI XEROX Co., Ltd.Inventors: Naoki Hiji, Chikara Manabe, Takeo Kakinuma, Tadayoshi Ozaki
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Publication number: 20110019111Abstract: A display medium comprises: a pair of electrodes to which a voltage is applied; a cholesteric liquid crystal layer provided between the pair of electrodes, wherein an alignment state of the cholesteric liquid crystal layer changes depending on a strength of an electric field generated upon application of a voltage to the pair of electrodes; and an intervening layer provided in an area between a part of the cholesteric liquid crystal layer and one of the pair of electrodes such that a strength of an electric field generated in the part of the cholesteric liquid crystal layer upon application of a voltage to the pair of electrodes is different from a strength of an electric field generated in another part of the cholesteric liquid crystal layer.Type: ApplicationFiled: March 22, 2010Publication date: January 27, 2011Applicant: Fuji Xerox Co., Ltd.Inventors: Takashi Morikawa, Haruo Harada, Taijyu Gan, Yasunori Okano, Atsushi Hirano, Chisato Urano, Chikara Manabe, Takeo Kakinuma, Hiroshi Arisawa
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Patent number: 7843530Abstract: A liquid crystal-containing composition includes a first cholesteric liquid crystal having a peak wavelength of selective reflection in the range of from 600 nm to 800 nm and encapsulated in a microcapsule and a second cholesteric liquid crystal having a peak wavelength of selective reflection in the range of from 400 nm to 500 nm as the only liquid crystals, and the content of the second cholesteric liquid crystal with respect to the entire cholesteric liquid crystal content is from about 5 weight % to about 40 weight %.Type: GrantFiled: May 21, 2009Date of Patent: November 30, 2010Assignee: Fuji Xerox Co., Ltd.Inventors: Naoki Hiji, Takeo Kakinuma, Chikara Manabe, Tadayoshi Ozaki
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Publication number: 20100296011Abstract: A recording device includes a first voltage application unit that applies a first voltage to a display layer; a second voltage application unit that applies a second voltage; a first irradiation unit that irradiates to the display layer first light synchronized with the application of the second voltage; a second irradiation unit that irradiates to the display layer a second light after the application of the second voltage is terminated, the second light having a third intensity if the second light is irradiated at an area corresponding to the first tone in the second liquid crystal layer, the second light not being irradiated if the second light is irradiated at an area corresponding to the second tone in the second liquid crystal layer.Type: ApplicationFiled: March 15, 2010Publication date: November 25, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Atsushi HIRANO, Taijyu Gan, Haruo Harada, Takashi Morikawa, Chisato Urano, Yasunori Okano, Hiroshi Arisawa, Takeo Kakinuma, Chikara Manabe
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Patent number: 7833589Abstract: A liquid crystal-containing composition and a liquid crystal display device including the same, the liquid crystal-containing composition including a cholesteric liquid crystal and microcapsules containing the cholesteric liquid crystal, and having a wall component comprising at least one selected from the group consisting of polyurethane and polyurea, the wall component further including a first isocyanurate component having a cyclo ring structure and a second isocyanate component other than the first isocyanurate component.Type: GrantFiled: October 7, 2008Date of Patent: November 16, 2010Assignee: Fuji Xerox Co., Ltd.Inventors: Chikara Manabe, Naoki Hiji, Takeo Kakinuma, Tadayoshi Ozaki
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Publication number: 20100245695Abstract: A liquid crystal display element includes a first substrate having a first electrode on one surface thereof, a transparent second substrate having a transparent second electrode on one surface thereof, a first liquid crystal layer containing a liquid crystal composition, a color filter, and a second liquid crystal layer containing a liquid crystal composition, and at least one of the first and second liquid crystal layers includes an additive having dielectric properties, and the dielectric constant of the first liquid crystal layer is different from that of the second liquid crystal layer.Type: ApplicationFiled: September 4, 2009Publication date: September 30, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Takeo KAKINUMA, Tadayoshi OZAKI, Chikara MANABE, Naoki HIJI
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Publication number: 20100208217Abstract: A screen device of the present invention has a light collecting element array including a plurality of light collecting elements that collect incident light from a projector and a back surface sheet. The back surface sheet includes a first electrode plate, a second electrode plate, a photoconductive layer disposed between the first electrode plate and the second electrode plate, and an image recording layer disposed between the first electrode plate and the photoconductive layer. At the back surface sheet, a light reflecting portion is formed at a light collecting region to which the light collected by the light collecting elements is irradiated, and a light absorbing portion is formed at a non-light collecting region to which the light collected by the light collecting elements is not irradiated.Type: ApplicationFiled: September 2, 2009Publication date: August 19, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Naoki HIJI, Takeo KAKINUMA, Chikara MANABE, Tadayoshi OZAKI
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Publication number: 20100165260Abstract: A liquid crystal-containing composition includes a first cholesteric liquid crystal having a peak wavelength of selective reflection in the range of from 600 nm to 800 nm and encapsulated in a microcapsule and a second cholesteric liquid crystal having a peak wavelength of selective reflection in the range of from 400 nm to 500 nm as the only liquid crystals, and the content of the second cholesteric liquid crystal with respect to the entire cholesteric liquid crystal content is from about 5 weight % to about 40 weight %.Type: ApplicationFiled: May 21, 2009Publication date: July 1, 2010Applicant: Fuji Xerox Co., Ltd.Inventors: Naoki HIJI, Takeo KAKINUMA, Chikara MANABE, Tadayoshi OZAKI
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Publication number: 20100164848Abstract: A liquid crystal-containing composition includes a cholesteric liquid crystal and a microcapsule wall that encapsulates the cholesteric liquid crystal, the microcapsule wall includes at least one material selected from polyurethane and polyurea, and the content of the microcapsule wall with respect to 100 parts by weight of the cholesteric liquid crystal is from about 0.1 parts to about 11 parts by weight.Type: ApplicationFiled: May 27, 2009Publication date: July 1, 2010Applicant: FUJI XEROX CO., LTD.Inventors: Chikara MANABE, Naoki HIJI, Takeo KAKINUMA, Tadayoshi OZAKI