Patents by Inventor Yuji Iwasaki

Yuji Iwasaki 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: 20240128880
    Abstract: A power converter includes a capacitor and a substrate on which a plurality of switching elements for power conversion are mounted. The power converter includes a cooler for cooling the plurality of switching elements and a housing that accommodates the capacitor, the substrate, and the cooler. The power converter includes a power connector exposed from the housing and an output connector exposed from the housing. The power converter includes a plurality of lines that include a plurality of power lines each electrically connected to the capacitor, given switching elements, and the power connector. The plurality of lines include a plurality of output lines each electrically connected to given switching elements and the output connector. At least one among the plurality of lines is a line that includes a conductive pattern formed on the substrate.
    Type: Application
    Filed: December 26, 2023
    Publication date: April 18, 2024
    Inventors: Yuji SUZUKI, Motohito HORI, Akio TOBA, Ikuya SATO, Yasuhito TANAKA, Masamichi IWASAKI, Masaaki AJIMA, Nobuaki OHGURI
  • Patent number: 11949338
    Abstract: A power converter includes a positive busbar electrically connected to a positive terminal and the first capacitor electrode, and includes a negative busbar electrically connected to a negative terminal and the second capacitor electrode. The power converter includes output busbars each electrically connected to a given output terminal among multiple output terminals, a given high-side switching element among a plurality of high-side switching elements, and a given low-side switching element among a plurality of low-side switching elements. The power converter includes a cooler that cools the high-side switching elements and the low-side switching elements. The power converter includes a housing that accommodates a supply tube and a discharge tube. The positive terminal, the negative terminal, the output terminals, the inlet port, and the outlet port are exposed on the housing. The inlet port, the outlet port, the supply tube, and the discharge tube are separate members from the housing.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: April 2, 2024
    Assignee: FUJI ELECTRIC CO., LTD.
    Inventors: Yuji Suzuki, Motohito Hori, Akio Toba, Ikuya Sato, Yasuhito Tanaka, Masamichi Iwasaki, Masaaki Ajima, Nobuaki Ohguri
  • Publication number: 20110207177
    Abstract: The present invention provides a pretreatment method which enables the promotion of the enzymatic glycosylation of lignocellulose under relatively mild conditions by using a tree bark as a raw material with less energy. Specifically the present invention provides a step for producing a sugar from a tree bark, which is characterized by having the following steps: an alkali treatment step of immersing the tree bark in an alkali compound solution; a refining treatment step of refining the alkali treated tree bark mechanically into fine pieces; and an enzymatic glycosylation step of glycosylating the refined tree bark with an enzyme. The present invention also provides a method of producing an ethanol.
    Type: Application
    Filed: October 29, 2009
    Publication date: August 25, 2011
    Applicant: OJI PAPER CO., LTD.
    Inventors: Jun Sugiura, Atsushi Furujyo, Yaping Chao, Yuko Igarashi, Yuji Iwasaki, Masayuki Ichinomiya, Makoto Sakaino
  • Patent number: 7117255
    Abstract: A server capable of eliminating the inconvenience which is caused when a request is made after a “back” operation on a client's browser. A request from a client is received, and processed in compliance with the received request. Confirmation information for confirming a display status of the client side is affixed to a result of process, stored, and transmitted. When a request is made again from the client, the confirmation information included in the request is extracted, and it is determined whether the extracted confirmation information extracted coincides with the stored confirmation information. A process performed in compliance with the request is withheld if it is determined that the two sets of confirmation information do not coincide.
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: October 3, 2006
    Assignee: Fujitsu Limited
    Inventors: Minoru Yamamoto, Takashi Kaneda, Yuji Iwasaki, Hiroki Ueda
  • Publication number: 20060105911
    Abstract: A process for producing a photocatalyst material, the photocatalyst material exhibiting highly active photocatalytic action and capable of reducing special odor generated at the time of ultraviolet irradiation. This process comprises the raw photocatalyst material preparation step (P1) of obtaining a photocatalyst material (raw photocatalyst material) being in the state of not bearing any base metal on its surface and the base metal superimposition step (P3) of causing the raw photocatalyst material obtained in the step P1 to bear base metal fine particles on its surface to thereby obtain the photocatalyst material bearing a base metal.
    Type: Application
    Filed: September 22, 2003
    Publication date: May 18, 2006
    Inventors: Yuko Nakamura, Takeshi Kudo, Azuma Ruike, Fumie Kawanami, Norio Nashirozawa, Yuji Iwasaki, Ken Kuzuhori, Satoshi Tegueamori
  • Patent number: 6973500
    Abstract: A data processing system which allows a client to request or release multiple computing resources with a single action. A grouping unit defines groups of resources, and those groups are maintained by a group manager. When a request is received from a client demanding a specific group of resources, a detection unit finds such a member resource of the requested group that is currently used by any other client. If the detection unit has found a member resource in use, then a determination unit determines whether the detected member resource is to be modified. A permission unit permits the requesting client to make access to the requested group of resources if the detection unit finds that none of the member resources of the requested group are being used by any other client, or if the determination unit finds that neither the current user nor the requesting client intends to modify the detected member resource in use.
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: December 6, 2005
    Assignee: Fujitsu Limited
    Inventors: Minoru Yamamoto, Takashi Kaneda, Yuji Iwasaki, Hiroki Ueda
  • Patent number: 6920489
    Abstract: In a server which receives a request of processing from a client, and returns a processing result of the request to the client, a result storing unit stores at least one processing result of at least one request. When a determination unit determines that no other request which is identical to a request received from a client has been processed, an execution unit executes processing of the request received from the client, and stores a result of the processing in the result storing unit. When the determination unit determines that another request which is identical to a request received from a client has already been processed, a transmission unit transmits to the client one of the at least one processing result corresponding to the request received from the client.
    Type: Grant
    Filed: October 12, 2000
    Date of Patent: July 19, 2005
    Assignee: Fujitsu Limited
    Inventors: Minoru Yamamoto, Takashi Kaneda, Yuji Iwasaki, Hiroki Ueda
  • Patent number: 5916795
    Abstract: The invention relates to a thermostable xylanase selected from xylanase XP1 having a molecular weight of about 22,500, an isoelectric point at around 8.1 and an optimum temperature for reaction 70.degree. C. or xylanase XP2 having a molecular weight of about 32,000, an isoelectric point at around 8.5 and an optimum temperature for reaction of 80.degree. C., a gene encoding for the thermostable xylanase, a method for producing the xylanase, applications of the xylanase, a bleaching agent containing the xylanase as an active ingredient, a method for bleaching pulp by using the bleaching agent and Bacillus sp. 2113 and Bacillus sp. 208 both having an ability to produce a thermostable xylanase.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: June 29, 1999
    Assignee: New Oji Paper Company Ltd.
    Inventors: Nobuyuki Fukunaga, Yuji Iwasaki, Satoko Kono, Yukio Kita, Yoshiya Izumi
  • Patent number: 5888802
    Abstract: The invention relates to a thermostable xylanase selected from xylanase XP1 having a molecular weight of about 22,500, an isoelectric point at around 8.1 and an optimum temperature for reaction of 70.degree. C. or xylanase XP2 having a molecular weight of about 32,000, an isoelectric point at around 8.5 and an optimum temperature for reaction of 80.degree. C., a gene encoding for the thermostable xylanase, a method for producing the xylanase, applications of the xylanase, a bleaching agent containing the xylanase as an active ingredient, a method for bleaching pulp by using the bleaching agent and Bacillus sp. 2113 and Bacillus sp. 208 both having an ability to produce a thermostable xylanase.
    Type: Grant
    Filed: November 3, 1997
    Date of Patent: March 30, 1999
    Assignee: New Oji Paper Company Ltd.
    Inventors: Nobuyuki Fukunaga, Yuji Iwasaki, Satoko Kono, Yukio Kita, Yoshiya Izumi
  • Patent number: 5736384
    Abstract: The invention relates to a thermostable xylanase selected from xylanase XP1 having a molecular weight of about 22,500, an isoelectric point at around 8.1 and an optimum temperature for reaction of 70.degree. C. or xylanase XP2 having a molecular weight of about 32,000, an isoelectric point at around 8.5 and an optimum temperature for reaction of 80.degree. C., a gene encoding for the thermostable xylanase, a method for producing the xylanase, applications of the xylanase, a bleaching agent containing the xylanase as an active ingredient, a method for bleaching pulp by using the bleaching agent and Bacillus sp. 2113 and Bacillus sp. 208 both having an ability to produce a thermostable xylanase.
    Type: Grant
    Filed: December 20, 1995
    Date of Patent: April 7, 1998
    Assignee: New Oji Paper Company Ltd.
    Inventors: Nobuyuki Fukunaga, Yuji Iwasaki, Satoko Kono, Yukio Kita, Yoshiya Izumi
  • Patent number: 4566068
    Abstract: In a characteristic signal generator for producing a characteristic signal determined from a characteristic curve for the maximum amount of fuel to be injected into an internal combustion engine from an electronically controlled fuel injection pump, the generator has a memory in which a plurality of sets of characteristic data each representing a characteristic curve for the maximum amount of fuel to be injected are stored, and the necessary data is read out from the memory in response to the data relating to the engine speed at each instant.
    Type: Grant
    Filed: November 22, 1982
    Date of Patent: January 21, 1986
    Assignee: Diesel Kiki Co., Ltd.
    Inventors: Yuji Iwasaki, Kyoichi Fujimori, Yasuhiro Hiyama
  • Patent number: 4046004
    Abstract: A Diesel engine diagnosing device, particularly, a device for diagnosing the timing of a fuel injection is disclosed. The device according to the present invention comprises a transducer to convert the injection pressures into an electrical signal, a first pulse generator to produce a first pulses of a predetermined pulse width, the first pulses being produced at the moment of a building up of the primary injection pressures, and a second pulse generator to produce second pulses which are generated when triggered by the leading edges of said first pulses and which can be set for a desired mark-space ratio. And, a first marking provided on the stationary part of the engine and second marking provided on the rotary part of the engine are lighted by an electronic flash emitter which flashes as triggered with the trailing edge of said second pulses.The device further has an injection timing indicator which displays the integral value of the output signal produced from said second pulse generator.
    Type: Grant
    Filed: October 27, 1976
    Date of Patent: September 6, 1977
    Assignee: Diesel Kiki Co., Ltd.
    Inventors: Yuji Iwasaki, Koichi Kashima