Patents by Inventor Koichi Endo

Koichi Endo 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: 20240118032
    Abstract: To directly and clearly observe the state inside a melting chamber in an electric furnace, a video-device-equipped electric furnace comprises: a melting chamber; a preheating chamber; and a video device to observe an inside of the melting chamber. The video device includes: a relay lens; an inner tube containing the relay lens and having an outer diameter of 100 mm or less; an outer tube containing the inner tube; and an imaging device located at an axial end of the relay lens on a furnace outside. The video device is provided through a hole in a furnace wall or lid so that the relay lens is located 300 mm to 3500 mm away from a highest molten iron interface in a vertically upward direction and the imaging device is located 300 mm or more away from an inner wall of the furnace wall or lid in a furnace outward direction.
    Type: Application
    Filed: January 27, 2022
    Publication date: April 11, 2024
    Applicant: JFE STEEL CORPORATION
    Inventors: Koichi TSUTSUMI, Yoshihiro MIWA, Goro OKUYAMA, Katsutoshi ENDO, Shunichi KAWANAMI
  • Publication number: 20240085110
    Abstract: To ensure stable supply of a cold iron source to a melting chamber, a method of producing molten iron uses an electric furnace that includes: a preheating chamber; a melting chamber; an extruder located in the preheating chamber; and a video device configured to observe an inside of the melting chamber, and comprises: an extrusion process of supplying a cold iron source preheated in the preheating chamber to the melting chamber by the extruder; and a melting process of melting the cold iron source supplied to the melting chamber by arc heat to obtain molten iron, wherein in the extrusion process, a moving amount of the extruder and/or a time interval for moving the extruder is controlled based on visual information obtained from the video device.
    Type: Application
    Filed: January 27, 2022
    Publication date: March 14, 2024
    Applicant: JFE STEEL CORPORATION
    Inventors: Koichi TSUTSUMI, Yoshihiro MIWA, Shohei NAGASHIMA, Goro OKUYAMA, Katsutoshi ENDO, Shunichi KAWANAMI
  • Patent number: 11460497
    Abstract: A device analysis apparatus is a device analysis apparatus for determining a quality of a power semiconductor device, including an application unit that applies a voltage signal to the power semiconductor device, a light detection unit that detects light from the power semiconductor device at a plurality of detection positions and outputs detection signals based on detection results, and a determination unit that determines the quality of the power semiconductor device based on temporal changes of the detection signals.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: October 4, 2022
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Toru Matsumoto, Koichi Endo, Tomonori Nakamura, Kazushige Koshikawa
  • Publication number: 20220195290
    Abstract: Provided are light-emitting particles having high stability while having perovskite-type semiconductor nanocrystals having excellent light-emitting properties, a method for producing the same, and a light-emitting particle dispersion, an ink composition, and a light-emitting element containing such light-emitting particles. The method for producing light-emitting particles of the present invention includes a step of preparing parent particles 91 each having hollow particles 912 each having an inner space 912a and pores 912b communicating with the inner space 912a, and perovskite-type semiconductor nanocrystals 911 contained in the inner space 912a and having light-emitting properties, and a step of coating the surface of each parent particle 91 with a hydrophobic polymer to form a polymer layer 92.
    Type: Application
    Filed: May 15, 2020
    Publication date: June 23, 2022
    Applicant: DIC Corporation
    Inventors: Yoshio Aoki, Yasuo Umezu, Koichi Endo, Shinichi Hirata, Takuo Hayashi, Masahiro Horiguchi, Misao Horigome, Jianjun Yuan
  • Publication number: 20220157411
    Abstract: The present disclosure includes a question creating section 21 configured to create a question for a drinking user to answer; an output section 11 configured to present the user with the question; an input section 11 configured to receive an operation by the user of inputting an answer to the question; and a computation section 22 configured to determine an intoxication degree of the user's on the basis of the answer.
    Type: Application
    Filed: March 17, 2020
    Publication date: May 19, 2022
    Applicant: SUNTORY HOLDINGS LIMITED
    Inventors: Yuichi Suzuki, Mitsuhiro Zeida, Toshinobu Hasegawa, Koichi Endo, Sonoko Kaneda, Motoshige Takagi, Aiko Nakagawa
  • Publication number: 20220145108
    Abstract: Provided are light-emitting particles having high stability while having perovskite-type semiconductor nanocrystals having excellent light-emitting properties, a method for producing the same, and a light-emitting particle dispersion, an ink composition, and a light-emitting element containing such light-emitting particles. The method for producing light-emitting particles of the present invention includes a step of preparing parent particles 91 composed of perovskite-type semiconductor nanocrystals 911 having light-emitting properties and a surface layer 912 which is composed of ligands coordinated on the surface of the semiconductor nanocrystal 911 and in which the ligand molecules form a siloxane bond with each other, and a step of forming a polymer layer 93 by coating the surface of the parent particle 91 with a hydrophobic polymer.
    Type: Application
    Filed: May 13, 2020
    Publication date: May 12, 2022
    Applicant: DIC Corporation
    Inventors: Koichi Endo, Yasuo Umezu, Yoshio Aoki, Shinichi Hirata, Takuo Hayashi, Masahiro Horiguchi, Misao Horigome, Jianjun Yuan
  • Patent number: 11275273
    Abstract: An optical device (10) includes a first substrate (11) and a second substrate (12) facing each other, a liquid crystal component (13) between the first substrate (11) and the second substrate (12), a first electrode (18) and a second electrode (19) located on the first substrate (11) on the second substrate (12) side, and a first alignment layer (14) that is located on the first substrate (11) on the second substrate (12) side and controls the alignment state of liquid crystal molecules in the liquid crystal component (13), wherein an interface between the liquid crystal component (13) and the first alignment layer (14) forms a non-glide weak anchoring interface (17).
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: March 15, 2022
    Assignees: KYOTO UNIVERSITY, KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, SHARP KABUSHIKI KAISHA, DIC CORPORATION
    Inventors: Jun Yamamoto, Koki Takamoto, Takeaki Araki, Waki Sakatsuji, Hirotsugu Kikuchi, Yasushi Okumura, Koji Fujikawa, Yu Fukunaga, Kiyoshi Minoura, Koji Murata, Isa Nishiyama, Koichi Endo
  • Publication number: 20210191170
    Abstract: An optical device (10) includes a first substrate (11) and a second substrate (12) facing each other, a liquid crystal component (13) between the first substrate (11) and the second substrate (12), a first electrode (18) and a second electrode (19) located on the first substrate (11) on the second substrate (12) side, and a first alignment layer (14) that is located on the first substrate (11) on the second substrate (12) side and controls the alignment state of liquid crystal molecules in the liquid crystal component (13), wherein an interface between the liquid crystal component (13) and the first alignment layer (14) forms a non-glide weak anchoring interface (17).
    Type: Application
    Filed: August 16, 2019
    Publication date: June 24, 2021
    Applicants: Kyoto University, KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, Sharp Kabushiki Kaisha, DIC Corporation
    Inventors: Jun Yamamoto, Koki Takamoto, Takeaki Araki, Waki Sakatsuji, Hirotsugu Kikuchi, Yasushi Okumura, Koji Fujikawa, Yu Fukunaga, Kiyoshi Minoura, Koji Murata, Isa Nishiyama, Koichi Endo
  • Publication number: 20200177774
    Abstract: To achieve miniaturization while ensuring high functionality. Included are a lens unit that includes at least one lens; an imaging element that performs photoelectric conversion of an optical image of a subject captured by the lens; a battery attachment part to which a battery is attached; a display panel on which an image or video is displayed; a main substrate that controls at least the lens unit; and an antenna substrate having a communication function, in which the lens unit, the battery attachment part, the imaging element, and the display panel are arranged side by side or separately from each other in an optical axis direction of the lens, and in a case where a direction orthogonal to the optical axis direction is defined as an arrangement direction, the main substrate, the lens, and the antenna substrate are arranged side by side or separately from each other in the arrangement direction.
    Type: Application
    Filed: April 4, 2018
    Publication date: June 4, 2020
    Inventors: HIKARU TANOUE, DAISHI TANAKA, MASASHI JIMBO, KOICHI ENDO, YUKI HARA, HIROKI YOSHIDA, MOKUYOH NAKANO
  • Publication number: 20200110127
    Abstract: A device analysis apparatus is a device analysis apparatus for determining a quality of a power semiconductor device, including an application unit that applies a voltage signal to the power semiconductor device, a light detection unit that detects light from the power semiconductor device at a plurality of detection positions and outputs detection signals based on detection results, and a determination unit that determines the quality of the power semiconductor device based on temporal changes of the detection signals.
    Type: Application
    Filed: April 18, 2018
    Publication date: April 9, 2020
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Toru MATSUMOTO, Koichi ENDO, Tomonori NAKAMURA, Kazushige KOSHIKAWA
  • Publication number: 20110309439
    Abstract: According to one embodiment, a semiconductor device includes a semiconductor substrate, a first conductivity-type region, a second conductivity-type source region, a gate insulating film and a gate electrode. The first conductivity-type region is provided in an upper layer portion of the semiconductor substrate. The second conductivity-type source region and a second conductivity-type drain region are arranged by being separated from each other in an upper layer portion of the first conductivity-type region. The gate insulating film is provided on the semiconductor substrate. The gate electrode is provided on the gate insulating film. An effective concentration of impurities in a channel region corresponding to a region directly below the gate electrode in the first conductivity-type region has a maximum at an interface between the gate insulating film and the channel region, and decreases toward a lower part of the channel region.
    Type: Application
    Filed: March 21, 2011
    Publication date: December 22, 2011
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tomoko Matsudai, Koichi Endo, Kumiko Sato, Norio Yasuhara
  • Publication number: 20110298528
    Abstract: According to one embodiment, a power semiconductor system includes; a first power semiconductor element, a driver IC, a first temperature detection element, a control circuit and an overheat protection control section. The first power semiconductor element controls current flowing between a first electrode and a second electrode with a control electrode. The driver IC supplies a drive signal making the first power semiconductor element on and off. The first temperature detection element detects a temperature of the driver IC. The control circuit supplies a control signal for controlling operation of the driver IC to the driver IC. The overheat protection control section is configured to supply an overheat protection signal to the control circuit based on an output of the first temperature detection element. The control circuit performs overheat protection operation. The overheat protection control section supplies the overheat protection signal to the control circuit.
    Type: Application
    Filed: March 21, 2011
    Publication date: December 8, 2011
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Koichi Endo, Yukio Tsunetsugu, Kazutoshi Nakamura
  • Patent number: 8058693
    Abstract: There is provided a semiconductor device having a switching element, including a first semiconductor layer including a first, second and third surfaces, a first electrode connected to the first semiconductor layer, a plurality of second semiconductor layers selectively configured on the first surface, a third semiconductor layer configured on the second semiconductor layer, a second electrode configured to be contacted with the second semiconductor layer and the third semiconductor layer, a gate electrode formed over the first semiconductor layer, a first region including a first tale region, a density distribution of crystalline defects being gradually increased therein, a peak region crossing a current path applying to a forward direction in a p-n junction, a second tale region continued from the peak region, and a second region including a third tale region, the density distribution of the crystalline defects being gradually increased therein.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: November 15, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Koichi Endo, Masaru Izumisawa, Takuma Hara, Syotaro Ono, Yoshiro Baba
  • Patent number: 8046276
    Abstract: A receiving section receives a supply request for product from a terminal set up at a shop or a terminal used by a client. A first determination processing section determines whether a product in stock can be reserved for an order. A first reserve processing section reserves the product in stock for the order when the first determination processing section determines that the product can be reserved. A second determination processing section determines whether a semifinished product necessary for manufacturing a final product can be reserved when the first determination processing section determines that the product reserve is inadequate. A second reserve processing section reserves the semifinished product for the order when the second determination processing section determines that the semifinished product can be reserved.
    Type: Grant
    Filed: February 12, 2008
    Date of Patent: October 25, 2011
    Assignee: Ricoh Company, Ltd.
    Inventors: Yukihiro Ogawa, Koichi Endo, Masayuki Ishihara, Koji Miyoshi, Takashi Tsuji
  • Publication number: 20110121803
    Abstract: According to one embodiment, a semiconductor device includes a base layer of a second conductivity type, a device isolation layer, a control electrode, a high dielectric layer, a first main electrode, and a second main electrode. The base layer includes a source region of a first conductivity type and a drain region of the first conductivity type. The source region and the drain region are selectively formed on a surface of the base layer. The device isolation layer is provided in the base layer to be extended in a direction from the source region to the drain region. The control electrode is provided on a top side of the device isolation layer to control a current passage between the source region and the drain region. The high dielectric layer is arranged in at least a part on a top side of the base layer or in at least a part in the device isolation layer. The high dielectric layer has a higher dielectric constant than a dielectric constant of the device isolation layer.
    Type: Application
    Filed: September 17, 2010
    Publication date: May 26, 2011
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Kazutoshi Nakamura, Koichi Endo
  • Patent number: 7919558
    Abstract: A rubber composition containing (i) a conjugated diene-based rubber gel having a toluene swelling index of 16 to 70, (ii) a diene-based rubber such as natural rubber, polyisoprene rubber, aromatic vinyl-conjugated diene copolymer rubber and/or polybutadiene rubber, and (iii) an optional carbon black and/or silica and (a) a pneumatic tire using this composition as a high hardness reinforcing layer extending from a bead along a tire sidewalls, in which the fluidity and dimensional stability at the time of extrusion are improved, while maintaining a sufficient hardness of a high hardness reinforced rubber, (b) a pneumatic tire using this composition as two ends of a tire tread extrudate, maintaining a flex fatigue of the two ends of the tread, in which the extrudability and extrusion dimensional stability are improved and (c) a pneumatic tire using the composition as a 1.
    Type: Grant
    Filed: February 22, 2005
    Date of Patent: April 5, 2011
    Assignees: The Yokohama Rubber Co., Ltd., Zeon Corporation
    Inventors: Naoya Amino, Misao Hiza, Takashi Shirokawa, Masao Nakamura, Koichi Endo
  • Publication number: 20100187598
    Abstract: There is provided a semiconductor device having a switching element, including a first semiconductor layer including a first, second and third surfaces, a first electrode connected to the first semiconductor layer, a plurality of second semiconductor layers selectively configured on the first surface, a third semiconductor layer configured on the second semiconductor layer, a second electrode configured to be contacted with the second semiconductor layer and the third semiconductor layer, a gate electrode formed over the first semiconductor layer, a first region including a first tale region, a density distribution of crystalline defects being gradually increased therein, a peak region crossing a current path applying to a forward direction in a p-n junction, a second tale region continued from the peak region, and a second region including a third tale region, the density distribution of the crystalline defects being gradually increased therein.
    Type: Application
    Filed: December 18, 2009
    Publication date: July 29, 2010
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Koichi ENDO, Masaru IZUMISAWA, Takuma HARA, Syotaro ONO, Yoshiro BABA
  • Publication number: 20100127690
    Abstract: A semiconductor apparatus includes, a first switching device; a rectifying device; a control circuit controlling the first switching device; a first driving terminal; a first interconnection connecting the first switching device to the first driving terminal; and a second interconnection. The second interconnection is disposed to connect the rectifying device to the first driving terminal, and the second interconnection has a mutual inductance with the first interconnection.
    Type: Application
    Filed: September 17, 2009
    Publication date: May 27, 2010
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventor: Koichi Endo
  • Patent number: 7711613
    Abstract: A receiving section receives a supply request for product from a terminal set up at a shop or a terminal used by a client. A first determination processing section determines whether a product in stock can be reserved for an order. A first reserve processing section reserves the product in stock for the order when the first determination processing section determines that the product can be reserved. A second determination processing section determines whether a semifinished product necessary for manufacturing a final product can be reserved when the first determination processing section determines that the product reserve is impossible. A second reserve processing section reserves the semifinished product for the order when the second determination processing section determines that the semifinished product can be reserved.
    Type: Grant
    Filed: December 23, 2002
    Date of Patent: May 4, 2010
    Assignee: Ricoh Company, Ltd.
    Inventors: Yukihiro Ogawa, Koichi Endo, Masayuki Ishihara, Koji Miyoshi, Takashi Tsuji
  • Patent number: 7700693
    Abstract: A conjugated diene rubber composition comprising (A) 5-95 wt. % of a conjugated diene rubber having a structure such that at least three conjugated diene polymer chains are bonded together through a specific polyorganosiloxane having groups containing alkylene glycol repeating units and (B) 95-5 wt. % of a conjugated diene rubber having reacted with a compound having in the molecule a functional group selected from >C?O, >C?S, amino, imino, epoxy, pyridyl, alkoxyl and halogeno. This rubber composition gives, when silica is incorporated therein, a vulcanizable rubber composition having good processability and giving a rubber vulcanizate exhibiting sufficiently reduced heat build up, and having good wet-grip property and good abrasion resistance.
    Type: Grant
    Filed: September 1, 2004
    Date of Patent: April 20, 2010
    Assignee: Zeon Corporation
    Inventors: Takeshi Karato, Masao Nakamura, Koichi Endo