Patents by Inventor Kenji Maeda

Kenji Maeda 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: 10825403
    Abstract: The present invention relates to a light emitting device and achieves either a high luminance with low power consumption or an increased image quality of a moving image according to the usage of an electronic device. The electronic device includes a first light emitting device and a second light emitting device, and a control device includes a light emission control section configured to control light emission of the first light emitting device and light emission of the second light emitting device according to a usage of the electronic device such that a relation between luminance of the first light emitting device and luminance of the second light emitting device satisfies a predetermined condition.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: November 3, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Fumitaka Seki, Kenji Maeda
  • Publication number: 20200312658
    Abstract: A manufacturing process of a semiconductor device including a SiGe channel can form a Si segregation layer for protecting the SiGe channel without damaging the SiGe channel. A manufacturing method of a semiconductor device includes: a first step for performing plasma processing on a semiconductor substrate having a silicon layer and a silicon germanium layer formed on the silicon layer under a first condition to expose the silicon germanium layer; and a second step for performing plasma processing on the semiconductor substrate under a second condition to segregate silicon on the surface of the exposed silicon germanium layer. The silicon germanium layer or layers lying adjacent to the silicon germanium layer can be etched under the first condition, hydrogen plasma processing is performed under the second condition, and the first step and the second step are executed in series in the same processing chamber of a plasma processing apparatus.
    Type: Application
    Filed: April 1, 2019
    Publication date: October 1, 2020
    Inventors: Makoto MIURA, Yohei ISHII, Satoshi SAKAI, Kenji MAEDA
  • Publication number: 20200282726
    Abstract: [Object] A liquid agent application device capable of adjusting the displacement amount of a diaphragm is provided. [Solution] The liquid agent application device 10 includes a diaphragm 12 that changes the internal volume of a liquid agent reservoir 11, and a drive unit 13 located on the diaphragm 12. The drive unit 13 includes a driving piezoelectric element 20 that vibrates in response to application of a drive voltage signal, and a horn 21 that vibrates together with the driving piezoelectric element 20.
    Type: Application
    Filed: July 3, 2018
    Publication date: September 10, 2020
    Inventors: Kenji MAEDA, Masaji NAKATANI, Masaya TAKASAKI
  • Patent number: 10672595
    Abstract: A plasma apparatus of processing a wafer disposed in a processing chamber using plasma includes one window, another window, a light receiving unit, a light source, and an optical branching unit which is disposed between the light source and the other window, branches light emitted by the light source to an optical path toward the processing chamber and an optical path in other direction, and reflects light in the processing chamber from the other window, and a detection unit which detects the light having been emitted from the plasma and received by the light receiving unit using one branched light and other branched and reflected light. The apparatus processes the wafer according to a condition for the processing which is adjusted based on a result of the detection.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: June 2, 2020
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Takeshi Ohmori, Daisuke Satou, Tatehito Usui, Satomi Inoue, Kenji Maeda
  • Publication number: 20200169190
    Abstract: Provided is a lead-free piezoelectric material reduced in dielectric loss tangent, and achieving both a large piezoelectric constant and a large mechanical quality factor. A piezoelectric material according to at least one embodiment of the present disclosure is a piezoelectric material including a main component formed of a perovskite-type metal oxide represented by the general formula (1): Nax+s(1?y)(BiwBa1?s?w)1?yNbyTi1?yO3 (where 0.84?x?0.92, 0.84?y?0.92, 0.002?(w+s)(1?y)?0.035, and 0.9?w/s?1.1), and a Mn component, wherein the content of the Mn is 0.01 mol % or more and 1.00 mol % or less with respect to the perovskite-type metal oxide.
    Type: Application
    Filed: January 29, 2020
    Publication date: May 28, 2020
    Inventors: Kanako Oshima, Miki Ueda, Takanori Matsuda, Makoto Kubota, Hisato Yabuta, Fumio Uchida, Hiroki Imai, Kenji Maeda, Chiemi Shimizu
  • Publication number: 20200169192
    Abstract: A lead-free piezoelectric material includes perovskite-type metal oxide containing Na, Nb, Ba, Ti, and Mg and indicates excellent piezoelectric properties. The piezoelectric material satisfies the following relational expression (1): 0.430?a?0.460, 0.433?b?0.479, 0.040?c?0.070, 0.0125?d?0.0650, 0.0015?e?0.0092, 0.9×3e?c?d?1.1×3e, a+b+c+d+e=1, where a, b, c, d, and e denote the relative numbers of Na, Nb, Ba, Ti, and Mg atoms, respectively.
    Type: Application
    Filed: January 29, 2020
    Publication date: May 28, 2020
    Inventors: Takanori Matsuda, Makoto Kubota, Hisato Yabuta, Miki Ueda, Kanako Oshima, Fumio Uchida, Hiroki Imai, Kenji Maeda, Chiemi Shimizu
  • Publication number: 20200169191
    Abstract: A piezoelectric material includes: an oxide containing Na, Ba, Nb, Ti, and Mn, in which the oxide has a perovskite-type structure, a total amount of metal elements other than Na, Ba, Nb, Ti, and Mn contained in the piezoelectric material is 0.5 mol % or less with respect to a total amount of Na, Ba, Nb, Ti, and Mn, a molar ratio x of Ti to a total molar amount of Nb and Ti is 0.05?x?0.12, a molar ratio y of Na to Nb is 0.93?y?0.98, a molar ratio z of Ba to Ti is 1.09?z?1.60, a molar ratio m of Mn to the total molar amount of Nb and Ti is 0.0006?m?0.0030, and 1.07?y×z?1.50 is satisfied.
    Type: Application
    Filed: January 29, 2020
    Publication date: May 28, 2020
    Inventors: Makoto Kubota, Kanako Oshima, Hisato Yabuta, Takanori Matsuda, Miki Ueda, Fumio Uchida, Hiroki Imai, Kenji Maeda, Chiemi Shimizu
  • Publication number: 20190378469
    Abstract: The present invention relates to a light emitting device and achieves either desirable color reproduction or improved image quality of a moving image according to the usage of an electronic device. The electronic device includes a first light emitting device and a second light emitting device having color reproducibility lower than that of the first light emitting device and having a response speed faster than that of the first light emitting device, and a control device includes a light emission control section configured to control light emission of the first light emitting device and light emission of the second light emitting device according to a usage of the electronic device such that a relation between luminance of the first light emitting device and luminance of the second light emitting device satisfies a predetermined condition.
    Type: Application
    Filed: June 4, 2019
    Publication date: December 12, 2019
    Inventors: FUMITAKA SEKI, KENJI MAEDA
  • Publication number: 20190333453
    Abstract: The present invention relates to a light emitting device and achieves either a high luminance with low power consumption or an increased image quality of a moving image according to the usage of an electronic device. The electronic device includes a first light emitting device and a second light emitting device, and a control device includes a light emission control section configured to control light emission of the first light emitting device and light emission of the second light emitting device according to a usage of the electronic device such that a relation between luminance of the first light emitting device and luminance of the second light emitting device satisfies a predetermined condition.
    Type: Application
    Filed: April 25, 2019
    Publication date: October 31, 2019
    Inventors: FUMITAKA SEKI, KENJI MAEDA
  • Publication number: 20190314367
    Abstract: The present invention relates to a prophylactic and/or therapeutic agent for behavioral and psychological symptoms associated with neurodegenerative disease or impulsive symptoms associated with mental disease, which contains 7-[4-(4-benzo[b]thiophen-4-yl-piperazin-1-yl)butoxy]-1H-quinolin-2-one or a salt thereof as an active ingredient.
    Type: Application
    Filed: June 28, 2019
    Publication date: October 17, 2019
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Shinji SATO, Kenji MAEDA, Dai ISHIKAWA, Mai NAKAMURA
  • Patent number: 10389057
    Abstract: A charger for the microphone of the present invention is provided with a case which has a grip insertion hole into which the grip portion of the microphone is inserted, wherein a pin support stand which supports the power supply side terminal pins below the grip insertion hole; a pin protection part, which has a pin insertion hole into which the power supply side terminal pins are inserted, and which is up/down moveable along the grip insertion hole; and an up/down guide means for guiding the pin protection part between an elevated position and a lowered position, are provided in the case, and at the time of non-charging, the pin protection part is moved to the elevated position such that the power supply side terminal pins are buried in the pin insertion holes, whereby the power supply side terminal pins are protected from external shocks.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: August 20, 2019
    Assignee: AUDIO-TECHNICA CORPORATION
    Inventor: Kenji Maeda
  • Patent number: 10380961
    Abstract: The present invention allows a user to realize that a display device is in a state of low electric power consumption. A display device (1) is a display device for refreshing a display screen at a refresh rate which is variable, the display device including: an eco-state sensing circuit (8) for specifying the refresh rate which is variable; and a state display control circuit (9) for presenting a state of the specified refresh rate to a user.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: August 13, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yuichi Sato, Kenji Maeda
  • Publication number: 20190237302
    Abstract: In a vacuum processing apparatus including: a vacuum container including a processing chamber therein; a plasma formation chamber; plate members being arranged between the processing chamber and the plasma formation chamber; and a lamp and a window member being arranged around the plate members, in order that a wafer and the plate members are heated by electromagnetic waves from the lamp, a bottom surface and a side surface of the window member is formed of a member transmitting the electromagnetic waves therethrough.
    Type: Application
    Filed: April 9, 2019
    Publication date: August 1, 2019
    Inventors: Hiroyuki KOBAYASHI, Nobuya MIYOSHI, Kazunori SHINODA, Kenji MAEDA, Yutaka KOUZUMA, Satoshi SAKAl, Masaru IZAWA
  • Publication number: 20190228729
    Abstract: Provided is a display device which can quickly show an updated image to a user. A head mounted display (1) includes a display driving section (21) and a backlight (24). The display driving section secures a pause period between (i) a first display driving period during which display driving is carried out with respect to a first display region for a left eye and (ii) a second display driving period during which display driving is carried out with respect to a second display region for a right eye. The backlight does not irradiate the first display region and the second display region with light during a first period of the pause period. The backlight irradiates the first display region and the second display region with light during a second period of the pause period, the second period following the first period.
    Type: Application
    Filed: July 21, 2017
    Publication date: July 25, 2019
    Inventors: TAKUYA OKAMOTO, KENJI MAEDA
  • Publication number: 20190180699
    Abstract: A display device includes a display control section configured to control an LCD and a backlight. The display control section causes the backlight to illuminate, during a time period in which an optical transmittance of the LCD is being changed, in an illumination pattern having N (N is an integer of two or more) light emission intensity levels that range from a first level to an Nth level.
    Type: Application
    Filed: December 3, 2018
    Publication date: June 13, 2019
    Inventors: FUMITAKA SEKI, KENJI MAEDA
  • Publication number: 20190151309
    Abstract: A medicament comprising (I) brexpiprazole or a pharmaceutically acceptable salt thereof, and (II) nalmefene or a pharmaceutically acceptable salt thereof in combination, wherein brexpiprazole or a pharmaceutically acceptable salt thereof, and nalmefene or a pharmaceutically acceptable salt thereof are contained in a single preparation, or a pharmaceutical composition containing brexpiprazole or a pharmaceutically acceptable salt thereof and a pharmaceutical composition containing nalmefene or a pharmaceutically acceptable salt thereof are formulated for use in combination. The medicament is used for the prophylaxis or treatment of a substance-related disorder, preferably an alcohol-related disorder.
    Type: Application
    Filed: January 17, 2019
    Publication date: May 23, 2019
    Applicants: OTSUKA PHARMACEUTICAL CO., LTD., H. LUNDBECK A/S
    Inventors: Kenji MAEDA, Mai NAKAMURA
  • Patent number: 10295938
    Abstract: A separator includes a base and a sheet. The base includes a first face to face a medium, a second face being opposite to the first face, and a third face being an end face in a longitudinal direction of the base. The sheet is disposed on a portion of each of the first and second faces that contacts or is adjacent to a rotator. The sheet has a length in a longitudinal direction thereof substantially equal to a length of the base in the longitudinal direction thereof. The sheet includes a projecting portion outboard from the length of the sheet in the longitudinal direction thereof. A combined length of the sheet and the projecting portion in the longitudinal direction of the sheet is greater than the length of the base in the longitudinal direction thereof. The projecting portion is attached to the second and third faces of the base.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: May 21, 2019
    Assignee: Ricoh Company, Ltd.
    Inventors: Shinichi Kato, Kenji Maeda, Hirochika Ohnishi
  • Patent number: 10290472
    Abstract: In a vacuum processing apparatus including: a vacuum container including a processing chamber therein; a plasma formation chamber; plate members being arranged between the processing chamber and the plasma formation chamber; and a lamp and a window member being arranged around the plate members, in order that a wafer and the plate members are heated by electromagnetic waves from the lamp, a bottom surface and a side surface of the window member is formed of a member transmitting the electromagnetic waves therethrough.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: May 14, 2019
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Hiroyuki Kobayashi, Nobuya Miyoshi, Kazunori Shinoda, Kenji Maeda, Yutaka Kouzuma, Satoshi Sakai, Masaru Izawa
  • Patent number: 10262569
    Abstract: In order to attain an object to provide a display device capable of suppressing electric power consumption as well as displaying an image with excellent quality, a control device includes a control information output section (36) for, in a case where an image determining section (35) determines that an image is a flickering image, supplying, to a grayscale level control section (80), grayscale level control information for causing the grayscale level control section to carry out control for increasing or lowering a grayscale level of a pixel in which flicker is easily recognizable.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: April 16, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tatsuo Watanabe, Kenji Maeda
  • Publication number: 20190109402
    Abstract: A charger for the microphone of the present invention is provided with a case which has a grip insertion hole into which the grip portion of the microphone is inserted, wherein a pin support stand which supports the power supply side terminal pins below the grip insertion hole; a pin protection part, which has a pin insertion hole into which the power supply side terminal pins are inserted, and which is up/down moveable along the grip insertion hole; and an up/down guide means for guiding the pin protection part between an elevated position and a lowered position, are provided in the case, and at the time of non-charging, the pin protection part is moved to the elevated position such that the power supply side terminal pins are buried in the pin insertion holes, whereby the power supply side terminal pins are protected from external shocks.
    Type: Application
    Filed: August 17, 2018
    Publication date: April 11, 2019
    Inventor: Kenji MAEDA