Patents by Inventor Tsutomu Sato

Tsutomu Sato 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).

  • Patent number: 7537978
    Abstract: A semiconductor device comprises a support layer made of semiconductor, a diffusion layer formed by implanting impurities in a surface layer of the support layer, a buried insulating layer provided on the diffusion layer, an island-like active layer provided on the buried insulating layer, a channel region formed in the active layer, source and drain regions formed in the active layer, sandwiching the channel region, a gate insulating film formed on the channel region, a gate electrode formed on the gate insulating film and on side surfaces of the island-like active layer, and insulated and isolated from the channel, source, and drain regions, and an electrode connected to the active layer.
    Type: Grant
    Filed: March 13, 2007
    Date of Patent: May 26, 2009
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Atsushi Yagishita, Ichiro Mizushima, Tsutomu Sato
  • Patent number: 7539452
    Abstract: A waste toner collecting apparatus of the present invention reliably prevents waste toner from spilling when replacing the waste toner box by opening the front cover of an image forming apparatus as the first through fifth shutters close the respective waste toner conveyance end sections. The first through fifth shutters are locked when no waste toner box is mounted in the image forming apparatus. The first through fifth shutters are unlocked when a waste toner box is mounted in the image forming apparatus. It can reliably prevent an operation error of operating the image forming section with the waste toner conveyance end sections left in an open state as the stay of the cover presses the first through fifth shutters when a waste toner box is not mounted.
    Type: Grant
    Filed: February 20, 2007
    Date of Patent: May 26, 2009
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha
    Inventors: Tsutomu Sato, Masayuki Kasukawa
  • Patent number: 7532556
    Abstract: An object is to provide a recording and reproducing method of a dyestuff-based, write-once DVD medium which can obtain a good recording waveform at a time of carrying out high linear speed recording. To this end, there are provided a recording and reproducing method and a recording and reproducing apparatus of a dyestuff-based, write-once DVD medium in which each mark other than a shortest length mark is recorded on a recording layer at an optical recording medium formed by having at least a recording layer containing an organic dyestuff on a substrate having a guide groove at which a high-frequency wobble is provided, by using one pulse light at which two places which are a leading portion and a trailing end portion of a heating pulse are made to be high-output for a given time and at which a pulse light power of the leading portion of the heating pulse is greater than a pulse light power of the trailing end portion, and the recording is reproduced by reproducing light.
    Type: Grant
    Filed: September 23, 2005
    Date of Patent: May 12, 2009
    Assignee: Ricoh Company, Ltd.
    Inventors: Soh Noguchi, Tsutomu Sato, Tatsuya Tomura, Yasunobu Ueno
  • Patent number: 7521300
    Abstract: A method of manufacturing a semiconductor device substrate includes forming a mask layer pattern on a semiconductor layer insulated from a surface of a semiconductor substrate by an electrically insulating layer, etching the semiconductor layer according to the pattern of the mask layer to form a trench leading to the insulating layer, etching a protective layer on the semiconductor substrate having a thickness less than the thickness of the insulating layer to form a sidewall protective film which covers a side surface of the trench, etching the insulating layer from a bottom surface of the trench to the semiconductor substrate; and growing a single-crystalline layer from the surface of the semiconductor substrate exposed as a result of etching the insulating layer.
    Type: Grant
    Filed: June 20, 2006
    Date of Patent: April 21, 2009
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hajime Nagano, Takashi Yamada, Tsutomu Sato, Ichiro Mizushima, Hisato Oyamatsu
  • Publication number: 20090091681
    Abstract: A liquid crystal display device includes a frame-shaped first frame having an opening to expose an effective display area, the first frame having a curved shape having a predetermined curvature in one direction; a liquid crystal display panel including a pair of light-transmitting substrates that encapsulate liquid crystal molecules, each of the light-transmitting substrates having a pixel selection electrode on the inner surface thereof, the liquid crystal display panel disposed on the backside of the first frame so that the liquid crystal display panel faces the opening; a backlight disposed on the backside of the liquid crystal display panel and irradiating the backside of the liquid crystal display panel with light-source light, the backlight including a light guide plate, an optical compensation laminate, a frame-shaped resin frame, and at least one light source; and a second frame disposed on the backside of the backlight, the second frame having a curved shape having a curvature comparable to the curva
    Type: Application
    Filed: October 2, 2008
    Publication date: April 9, 2009
    Inventors: Shigeki NISHIZAWA, Tsutomu Sato, Yuuji Oomori
  • Patent number: 7510945
    Abstract: A support-side substrate having a thermal oxide film on the major surface is bonded to an active-layer-side substrate having a thermal oxide film on the major surface while making the major surfaces oppose each other. The active-layer-side substrate and part of the oxide film are selectively etched from a surface opposite to the major surface of the active-layer-side substrate to a halfway depth of the buried oxide film formed from the thermal oxide films at the bonding portion. A sidewall insulating film is formed on the etching side surface portion of the active-layer-side substrate. Then, the remaining buried oxide film except that immediately under the active-layer-side substrate is selectively etched. A single-crystal semiconductor layer is formed on the support-side substrate exposed by removing the buried oxide film.
    Type: Grant
    Filed: October 11, 2007
    Date of Patent: March 31, 2009
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Hajime Nagano, Shinichi Nitta, Takashi Yamada, Tsutomu Sato, Katsujiro Tanzawa, Ichiro Mizushima
  • Patent number: 7507634
    Abstract: To change a plurality of trenches to one flat empty space by two-dimensionally forming the trenches on the surface of a semiconductor substrate and then applying heat treatment to the semiconductor substrate.
    Type: Grant
    Filed: June 19, 2007
    Date of Patent: March 24, 2009
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tsutomu Sato, Mie Matsuo, Ichiro Mizushima, Yoshitaka Tsunashima, Shinichi Takagi
  • Publication number: 20090075014
    Abstract: A method of recording on an optical recording medium which comprises a multi-photon absorption material and fine particles which have an sensitizing effect of enhancing a multi-photon absorption process of the multi-photon absorption material by a plasmon-enhanced field having anisotropy, the method including: deactivating the sensitizing effect of a part of the fine particles by deforming the part of the fine particles.
    Type: Application
    Filed: September 11, 2008
    Publication date: March 19, 2009
    Applicant: RICOH COMPANY, LTD.
    Inventors: Takeshi Miki, Tsutomu Sato, Tatsuya Tomura, Mikiko Takada
  • Publication number: 20090075116
    Abstract: A novel gravure engraving roll that has a surface-reinforcing coating layer being nontoxic and having no danger of pollution generation at all and that excels in printing life; and a process for producing the same. There is provided a gravure engraving roll comprising: a metal hollow roll; a copper plating layer superimposed on the surface of the hollow roll and on its surface furnished with a multiplicity of gravure cells; a metal layer superimposed on the surface of the copper plating layer; a layer of carbide of said metal superimposed on the surface of the metal layer; and a diamond-like carbon coating covering the surface of the metal carbide layer.
    Type: Application
    Filed: May 24, 2006
    Publication date: March 19, 2009
    Applicant: THINK LABORATORY CO., LTD.
    Inventors: Tatsuo Shigeta, Tsutomu Sato, Koichi Sugiyama, Takayuki Asano
  • Publication number: 20090073370
    Abstract: A display device includes a display panel, a flexible printed circuit, and a holder that holds the display panel and the flexible printed circuit. The flexible printed circuit connects to a first side of the display panel and is bent in the vicinity of the first side, and part of the flexible printed circuit is disposed between the back of the display panel and the holder, the holder having an opening or a depression in the vicinity of the first side of the display panel. The flexible printed circuit deflects so that the top projects into a space in the opening or the depression of the holder, as viewed in section.
    Type: Application
    Filed: November 13, 2008
    Publication date: March 19, 2009
    Inventors: Yasuaki Kondo, Tsutomu Sato, Kosuke Matsubara, Toshimitsu Matsudo
  • Publication number: 20090068421
    Abstract: The present invention provides a novel gravure printing roll which includes a surface reinforcing coating layer having no toxicity and no possibility of causing pollution, and which has excellent printing resistance, and a manufacturing method thereof. The gravure printing roll includes: a plate base material; a copper plating layer formed on a surface of the plate base material and having multiple gravure cells formed thereon; and a silicon dioxide film which covers a surface of the copper plating layer, in which the silicon dioxide film is formed by using a perhydropolysilazane solution. The copper plating layer has a thickness of from 50 to 200 ?m, the gravure cell has a depth of from 5 to 150 ?m, and the silicon dioxide film has a thickness of from 0.1 to 5 ?m, preferably 0.1 to 3 ?m, and more preferably 0.1 to 1 ?m.
    Type: Application
    Filed: July 19, 2006
    Publication date: March 12, 2009
    Applicant: THINK LABORATORY CO., LTD.
    Inventor: Tsutomu Sato
  • Publication number: 20090033852
    Abstract: A liquid crystal display device includes: a first substrate; a second substrate which is placed nearer to a viewer than the first substrate, and which faces a viewer side of the first substrate; a liquid crystal sandwiched between the first substrate and the second substrate; an upper polarization plate which is placed nearer to the viewer than the second substrate, and which faces a viewer side of the second substrate; and a transparent resin plate which is placed nearer to the viewer than the upper polarization plate, and which is attached to a viewer side of the upper polarization plate with one of an adhesive material and a bonding material, the transparent resin plate includes a transparent oxide film on a face that faces the upper polarization plate, and the transparent resin plate is in close contact with the adhesive material or the bonding material through the transparent oxide film.
    Type: Application
    Filed: August 1, 2008
    Publication date: February 5, 2009
    Inventors: Koichi Fukuda, Tetsuya Oshima, Satoru Kawasaki, Tsutomu Sato, Kouji Hayakawa
  • Publication number: 20090030006
    Abstract: The present invention provides a compound of Formula (I): wherein R1, R2, R3 and R4 are each independently selected from a hydrogen atom, an optionally substituted C1-C6 alkyl group, an optionally substituted C7-C14 aralkyl group and —C(?O)Rx; Rx represents an optionally substituted C1-C6 alkyl group, an optionally substituted aryl group, an optionally substituted heteroaryl group, an optionally substituted C1-C6 alkoxy group or —NReRf; Ar1 represents an optionally substituted aromatic carbocyclic ring or an optionally mono-substituted aromatic heterocyclic ring; Q represents —(CH2)m-(L)p- or -(L)p-(CH2)m—; m represents an integer selected from 0 to 2, n represents an integer selected from 1 and 2, and p represents an integer selected from 0 and 1; L represents —O—, —S— or —NR5—; and A represents an optionally substituted aryl group or an optionally substituted heteroaryl group, a prodrug thereof and a pharmaceutically acceptable salt thereof, as well as a pharmaceutical preparation or pharmaceutical co
    Type: Application
    Filed: January 27, 2006
    Publication date: January 29, 2009
    Inventors: Takamitsu Kobayashi, Tsutomu Sato, Masahiro Nishimoto
  • Patent number: 7480223
    Abstract: A recording method of recording information in a dye-based write-once digital versatile disc (DVD) containing a substrate having a wobbled guide groove and a recording layer containing an organic dye. Recording is performed by irradiating the DVD with three kinds of single light pulses. Each single pulse contains a recording area to record a mark and a cooling area having a light quantity not greater than 0.1 mW for a predetermined time. When the mark having a shortest length is formed, the DVD is irradiated with a first single light pulse. When the mark having a second shortest length is formed, the DVD is irradiated with a second single light pulse. When the mark having a third shortest length or longer is formed, the DVD is irradiated with a third single light pulse.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: January 20, 2009
    Assignee: Ricoh Company, Ltd.
    Inventors: Soh Noguchi, Tsutomu Sato, Tatsuya Tomura, Yasunobu Ueno
  • Publication number: 20080319047
    Abstract: The invention provides a glucitol derivative having the function of reducing a blood sugar level and having preferable properties required of medicines, such as long-lasting drug activity; and a medicinal composition for use in the prevention or treatment of diseases attributable to hyperglycemia, such as diabetes, complications of diabetes, and obesity. The derivative is a compound represented by the formula (I): wherein m is an integer selected among 1-3; R1 to R4 each independently is optionally substituted alkyl, etc.; Ar1 is optionally substituted naphthyl; and A is optionally substituted heteroaryl, a prodrug of the compound, or a pharmaceutically acceptable salt of either. Also provided are a medicine, a medicinal composition, and the like each containing the compound.
    Type: Application
    Filed: July 27, 2005
    Publication date: December 25, 2008
    Inventors: Hiroharu Matsuoka, Tsutomu Sato, Masahiro Nishimoto, Yasuharu Kato, Masahiro Sakaitani, Sang-Hak Lee
  • Publication number: 20080318874
    Abstract: A cyclohexane derivative having the function of reducing a blood sugar level and having preferable properties required of medicines, such as long-lasting drug activity, metabolic stability, and safety; and a medicinal composition for use in the prevention or treatment of diseases attributable to hyperglycemia, such as diabetes, e.g., insulin dependent diabetes mellitus (type 1 diabetes) or noninsulin-dependent diabetes mellitus (type 2 diabetes), complications of diabetes, and obesity.
    Type: Application
    Filed: July 26, 2005
    Publication date: December 25, 2008
    Applicant: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Hiroharu Matsuoka, Tsutomu Sato, Masahiro Nishimoto, Nobuo Shimma
  • Patent number: 7457216
    Abstract: A recording and reproducing method, wherein, on recording and reproduction of a recordable DVD medium, which has a recording layer containing an organic dye on a substrate having a guide groove with wobble, wherein linear velocity conditions for CLV recording is recorded on the substrate, recording starts at a linear velocity less than a highest linear velocity at the innermost circumference; when the linear velocity is switched over to the highest linear velocity on the way, a comparison is made between an optimum recording power of Po at the highest recording velocity that is temporarily optimized by test-writing in a power measurement area at the outermost circumference and an optimum recording power of Pi at the highest linear velocity that is recorded in the substrate; in the case of Po>Pi, a value given by the formula of “(Po+Pi)/2+(Po?Pi)2Pi” is employed as a recording power with which recording starts at the highest linear velocity; and in the case of Po?Pi, Pi is employed.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: November 25, 2008
    Assignee: Ricoh Company, Ltd.
    Inventors: Tatsuya Tomura, Tsutomu Sato, Soh Noguchi, Yasunobu Ueno
  • Patent number: 7455477
    Abstract: A new compound represented by a composition formula Fe8O8 (OH)8-2x((SO4)a, (HPO4)b)x (a+b=x, 1?x?1.75, 0<a?1.658, 0.092?b?x) formed by adding a shwertmannite of a composition formula Fe8O8(OH)8-2x(SO4)x (1?x?1.75) to a phosphoric acid solution of a pH value of 2-9 thereby achieving a stabilization by an adsorption of phosphoric acid, shows a very firm stabilization under conditions of 0<a?1.253 and 0.497?b?x. The new compound has a high stability, can maintain a high adsorbing ability for arsenic and the like and a cleaning level for a necessary period or semi-permanently, and can adsorb arsenic and the like in polluted water or polluted soil.
    Type: Grant
    Filed: February 3, 2004
    Date of Patent: November 25, 2008
    Assignee: Sophia Co., Ltd.
    Inventors: Hodaka Ikeda, Kenichi Ito, Naoko Akita, Tsutomu Sato, Keisuke Fukushi
  • Patent number: 7453532
    Abstract: The present invention provides a technique that is capable of preventing a separation of elements of the display panel of a slim display device in which the bending radius of a flexible printed circuit is small. A flexible printed circuit connects to a first side of the display panel proximate to an end surface of the display panel and is bent in the vicinity of the end surface, and a part of the flexible printed circuit is disposed between the back of a backlight and a holder. The holder has an opening or a depression in the vicinity of an end surface of the backlight corresponding to the end surface of the display panel. The flexible printed circuit has a portion which is deflected so that a portion thereof projects into a space in the opening or the depression in the holder, as viewed in section.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: November 18, 2008
    Assignee: Hitachi Displays, Ltd.
    Inventors: Yasuaki Kondo, Tsutomu Sato, Kosuke Matsubara, Toshimitsu Matsudo
  • Patent number: 7439008
    Abstract: The object of the present invention is to provide an optical recording medium in which a recording material of the optical recording medium has a high solubility in an organic solvent, so that the recording material can be shaped to film by a coating process and the recording material is excellent in light-resistance and stability during the preservation, so that the optical recording medium is applicable to the recordable DVD. For the object, the present invention provides the optical recording medium comprising a substrate and at least a recording medium disposed on the substrate, wherein the recording medium comprises at least one type of formazan-metal chelate dyes.
    Type: Grant
    Filed: September 27, 2005
    Date of Patent: October 21, 2008
    Assignee: Ricoh Company, Ltd.
    Inventors: Tatsuya Tomura, Tsutomu Sato, Yasunobu Ueno, Soh Noguchi