Patents by Inventor Hitoshi Arai

Hitoshi Arai 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: 7080219
    Abstract: A storage controlling device is connected to an external device, where both devices are configured to communicate with each other. The storage controlling device is further configured to execute input/output processes in response to data input/output requests. The input/output processes are executed in response to the data input/output requests attached to priority level determining information in an order that is determined based on priority level determining information that is attached as attribute information of the data input/output requests received from the external device.
    Type: Grant
    Filed: March 30, 2005
    Date of Patent: July 18, 2006
    Assignee: Hitachi, Ltd.
    Inventors: Akira Kawashima, Homare Kanie, Hitoshi Arai, Nobuyuki Oka
  • Patent number: 7073036
    Abstract: On the basis of a priority table in which a plurality of group restoration priorities respectively corresponding to a plurality of element groups are recorded, the priority-based backup part backs up all of the backup object elements belonging to a first element group in a first continuous region which is a continuous recording region on a tape recording medium, and backs up all of the backup object elements belonging to a second element group whose group restoration priority is lower than that of said first element group in a second continuous region which is located on the tape tail end side of said first continuous region.
    Type: Grant
    Filed: June 18, 2004
    Date of Patent: July 4, 2006
    Assignee: Hitachi, Ltd.
    Inventors: Hodaka Furuya, Hitoshi Arai, Tomohiro Shinohara
  • Patent number: 7054129
    Abstract: A static electricity eliminating apparatus comprising; (A) a first electrically conductive piece and a second electrically conductive piece which are disposed so as to face each other through an insulating layer, and (B) a discharge means having one end electrically connected to the first electrically conductive piece and other end electrically connected to the second electrically conductive piece, wherein a charge electrostatically induced in the first electrically conductive piece and the second electrically conductive piece due to a contact of a static-electricity-charged object with the first electrically conductive piece is accumulated between the first electrically conductive piece and the second electrically conductive piece by dielectric polarization, and then, the charge is discharged with the discharge means in a state where the first electrically conductive piece and the second electrically conductive piece are not grounded.
    Type: Grant
    Filed: January 12, 2004
    Date of Patent: May 30, 2006
    Assignees: IMT Company, Ltd., Hitoshi Arai
    Inventors: Kazuyoshi Aida, Hitoshi Arai
  • Publication number: 20060046992
    Abstract: The present invention provides a compound represented by formula (I): [wherein X—Y-Z represents R5N—C?O (wherein R5 represents a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted aralkyl, substituted or unsubstituted lower alkenyl, or substituted or unsubstituted lower alkynyl), etc; R1 and R2 may be the same or different and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, etc; and R3 and R4 may be the same or different and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, etc], or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: June 25, 2003
    Publication date: March 2, 2006
    Applicant: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Daisuke Machii, Koji Suzuki, Tsutomu Matsumura, Hitoshi Arai, Miho Iwase, Hiroshi Yano, Satoshi Nakanishi, Fumiko Ogino, Kotaro Takasaki, Hideaki Kusaka
  • Publication number: 20050196619
    Abstract: Provided is a flame retardant adhesive composition including (A) a halogen-free epoxy resin, (B) a thermoplastic resin and/or a synthetic rubber, (C) a curing agent, (D) a curing accelerator, and (E) a phosphorus-containing filler. Also provided are an adhesive sheet, a coverlay film, and a flexible copper-clad laminate prepared using such a composition. A cured product yielded by curing the composition, as well as the adhesive sheet, the coverlay film, and the flexible copper-clad laminate display excellent flame retardancy and electrical characteristics (anti-migration properties).
    Type: Application
    Filed: March 4, 2005
    Publication date: September 8, 2005
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Toru Nakanishi, Hitoshi Arai, Michio Aizawa, Tadashi Amano
  • Publication number: 20050177767
    Abstract: On the basis of a priority table in which a plurality of group restoration priorities respectively corresponding to a plurality of element groups are recorded, the priority-based backup part backs up all of the backup object elements belonging to a first element group in a first continuous region which is a continuous recording region on a tape recording medium, and backs up all of the backup object elements belonging to a second element group whose group restoration priority is lower than that of said first element group in a second continuous region which is located on the tape tail end side of said first continuous region.
    Type: Application
    Filed: June 18, 2004
    Publication date: August 11, 2005
    Applicant: Hitachi, Ltd.
    Inventors: Hodaka Furuya, Hitoshi Arai, Tomohiro Shinohara
  • Publication number: 20050169066
    Abstract: A storage controlling device being connected to an external device and being able to communicate with each other comprises storage means, means for sending/receiving data input/output requests to/from the external device, and means for executing input/output processes in response to the data input/output requests. The input/output processes are executed in response to the data input/output requests attached to priority level determining information in an order that is determined based on priority level determining information that is attached as attribute information of the data input/output requests received from the external device.
    Type: Application
    Filed: March 30, 2005
    Publication date: August 4, 2005
    Applicant: Hitachi, Ltd.
    Inventors: Akira Kawashima, Homare Kanie, Hitoshi Arai, Nobuyuki Oka
  • Publication number: 20050164040
    Abstract: An optical recording medium comprising: a substrate 11; and a recording layer 12, formed on substrate 11; and characterized in that recording layer 12 contains palladium oxide as the main component and contains oxygen at an amount of 19 atom % to 61 atom %.
    Type: Application
    Filed: December 16, 2004
    Publication date: July 28, 2005
    Applicant: TDK CORPORATION
    Inventors: Daisuke Yoshitoku, Koji Mishima, Kenji Yamaga, Hitoshi Arai
  • Publication number: 20050118530
    Abstract: An optical recording medium includes a substrate, a light transmission layer and a recording layer formed between the substrate and the light transmission layer, the recording layer containing at least one simple substance of a metal element M selected from a group consisting of Zn and La and an element X selected from a group consisting of S and O which can combine with the metal element M to form a compound of the element X with the metal element M and the optical recording medium being constituted so that upon being irradiated with a laser beam for recording data, a crystal of the compound of the element X with the metal element M is formed and grows to form a crystal region thereof. According to the thus constituted optical recording medium, a reproduced signal having a good C/N ratio can be obtained when data recorded in the recording layer are reproduced.
    Type: Application
    Filed: September 30, 2004
    Publication date: June 2, 2005
    Applicant: TDK Corporation
    Inventors: Koji Mishima, Kenji Yamaga, Hiroyasu Inoue, Hironori Kakiuchi, Daisuke Yoshitoku, Hitoshi Arai
  • Patent number: 6886084
    Abstract: A storage controlling device is connected to an external device and is able to communicate with each other. The storage controlling device may send/receive data input/output requests to/from the external device, and may execute data input/output processes in response to the data input/output requests. The input/output processes are executed in response to the data input/output requests attached to priority level determining information in an order that is determined based on priority level determining information that is attached as attribute information of the data input/output requests received from the external device.
    Type: Grant
    Filed: February 20, 2003
    Date of Patent: April 26, 2005
    Assignee: Hitachi, Ltd.
    Inventors: Akira Kawashima, Homare Kanie, Hitoshi Arai, Nobuyuki Oka
  • Publication number: 20050066825
    Abstract: A stamper with a sharp protrusion/depression pattern is obtained, and high precision information media can be produced using this stamper. A method of manufacturing a stamper comprises the steps of manufacturing a photoresist master 100 by laminating a light absorption layer 103 and a photoresist layer 104 on top of a substrate 102, and then forming an protrusion/depression pattern 106 in the photoresist layer 104 by forming and developing a latent image, providing Pd on the surface of the protrusion/depression pattern 106 as a preliminary treatment to conducting electroless plating onto the protrusion/depression pattern of the photoresist master 100, and forming a stamper 120 by forming a thin metal film 108 on top of the Pd-containing protrusion/depression pattern surface by using electroless plating, forming a Ni film 110 on top of this Ni thin film 108 using electroforming, and then removing the thin metal film 108 and the Ni film 110.
    Type: Application
    Filed: December 27, 2002
    Publication date: March 31, 2005
    Inventors: Hisaji Oyake, Hiroaki Takahata, Hitoshi Arai, Hajime Utsunomiya
  • Publication number: 20040174654
    Abstract: A static electricity eliminating apparatus comprising; (A) a first electrically conductive piece and a second electrically conductive piece which are disposed so as to face each other through an insulating layer, and (B) a discharge means having one end electrically connected to the first electrically conductive piece and other end electrically connected to the second electrically conductive piece, wherein a charge electrostatically induced in the first electrically conductive piece and the second electrically conductive piece due to a contact of a static-electricity-charged object with the first electrically conductive piece is accumulated between the first electrically conductive piece and the second electrically conductive piece by dielectric polarization, and then, the charge is discharged with the discharge means in a state where the first electrically conductive piece and the second electrically conductive piece are not grounded.
    Type: Application
    Filed: January 12, 2004
    Publication date: September 9, 2004
    Inventors: Kazuyoshi Aida, Hitoshi Arai
  • Publication number: 20040152016
    Abstract: An optical recording medium includes a substrate and a plurality of recording layers laminated via at least intermediate layers, at least one of the recording layers other than a recording layer farthest from a light incidence plane among the plurality of recording layers containing at least one metal M selected from a group consisting of Ni, Cu, Si, Ti, Ge, Zr, Nb, Mo, In, Sn, W, Pb, Bi, Zn and La and an element X which can combine with the metal M upon being irradiated with a laser beam for recording data, thereby forming a crystal of a compound of the element X with the metal M. According to the thus constituted optical recording medium, it is possible to record data in and reproduce from a farthest recording layer from a light incidence plane in a desired manner and it is possible to record data in and reproduce from recording layer(s) other than the farthest recording layer from the light incidence plane in a desired manner.
    Type: Application
    Filed: December 30, 2003
    Publication date: August 5, 2004
    Applicant: TDK Corporation
    Inventors: Koji Mishima, Hiroyasu Inoue, Tsuyoshi Komaki, Daisuke Yoshitoku, Hitoshi Arai, Kenji Yamaga, Hironori Kakiuchi
  • Publication number: 20040027983
    Abstract: An optical recording/reproducing method and an optical recording medium capable of performing excellent optical recording with a simple structure in a recording layer made of environmentally friendly materials. The optical recording medium has a recording layer on a substrate. The recording layer has a pair of dielectric layers of which states are altered by a laser beam that is an energy beam of which intensity is modulated according to information to be recorded. This recording layer also has a recording assist layer sandwiched by these dielectric layers. The recording assist layer includes an element selected from Sn, Ti, Si, Bi, Ge, and C as a principle component, while the dielectric material as a base material for the dielectric layers is at least one of ZnS, SiO2, AlN, and Ta2O5.
    Type: Application
    Filed: May 29, 2003
    Publication date: February 12, 2004
    Applicant: TDK CORPORATION
    Inventors: Hiroyasu Inoue, Koji Mishima, Masaki Aoshima, Hideki Hirata, Hajime Utsunomiya, Hitoshi Arai, Yoshitomo Tanaka
  • Publication number: 20040027966
    Abstract: An optical recording/reproducing method and an optical recording medium capable of performing excellent optical recording with a simple structure in a recording layer made of environmentally friendly materials. The optical recording medium has a recording layer on a substrate. The recording layer has a pair of dielectric layers of which states are altered by a laser beam that is an energy beam of which intensity is modulated according to information to be recorded. This recording layer also has a assisting-material layer sandwiched by these dielectric layers. The assisting material layer includes an element selected from Sn, Ti, Si, Di, Ge, and C as a principle component, while the dielectric material as a base material for the dielectric layers is any one of ZnS, SiO2, AlN, and Ta2O5.
    Type: Application
    Filed: May 29, 2003
    Publication date: February 12, 2004
    Applicant: TDK CORPORATION
    Inventors: Hiroyasu Inoue, Koji Mishima, Masaki Aoshima, Hideki Hirata, Hajime Utsunomiya, Hitoshi Arai, Yoshitomo Tanaka
  • Publication number: 20040006604
    Abstract: A storage controlling device being connected to an external device and being able to communicate with each other comprises storage means, means for sending/receiving data input/output requests to/from the external device, and means for executing input/output processes in response to the data input/output requests. The input/output processes are executed in response to the data input/output requests attached to priority level determining information in an order that is determined based on priority level determining information that is attached as attribute information of the data input/output requests received from the external device.
    Type: Application
    Filed: February 20, 2003
    Publication date: January 8, 2004
    Applicant: Hitachi, Ltd.
    Inventors: Akira Kawashima, Homare Kanie, Hitoshi Arai, Nobuyuki Oka
  • Publication number: 20030235134
    Abstract: An optical recording/reproducing method and an optical recording medium capable of performing excellent optical recording with a simple structure in a recording layer made of environmentally friendly materials. The optical recording medium has a recording layer formed on a substrate and made of a mixture of a recording assist material and a dielectric material. A laser beam of which intensity is modulated in accordance with information to be recorded is irradiated onto this recording layer to cause a state change in the recording assist material and/or the dielectric material. The information can be recorded by changing optical characteristics thereof such as reflectivity. The recording assist material includes an element selected from Sn, Ti, Si, Bi, Ge, and C as a principle component, while the dielectric material as a base material for the dielectric layers is at least one of ZnS, SiO2, AlN, and Ta2O5.
    Type: Application
    Filed: May 29, 2003
    Publication date: December 25, 2003
    Applicant: TDK Corporation
    Inventors: Hiroyasu Inoue, Koji Mishima, Masaki Aoshima, Hideki Hirata, Hajime Utsunomiya, Hitoshi Arai, Yoshitomo Tanaka
  • Patent number: 6620513
    Abstract: The subject matter of the invention is a base sheet for the preparation of a flexible printed circuit board which is a three-layered laminate consisting of (a) an electrically insulating film of a plastic resin such as a polyimide, (b) an epoxy resin-based adhesive layer and (c) a copper foil bonded to the film (a) with intervention of the adhesive layer (b). The base sheet can exhibit excellent performance in respect of peeling resistance, soldering heat resistance, dimensional stability and solvent resistance as well as workability into a printed circuit board only when each of the layers (a), (b) and (c) has a specified thickness in a narrow range of 10-30 &mgr;m, 5-15 &mgr;m and 5-15 &mgr;m, respectively.
    Type: Grant
    Filed: July 2, 2001
    Date of Patent: September 16, 2003
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masahiro Yuyama, Hitoshi Arai, Yoshitsugu Eguchi
  • Publication number: 20030015345
    Abstract: The invention discloses an improved base sheet for flexible printed circuit boards used in assemblage of compact-size electric or electronic instruments. The base sheet is a layered sheet body consisting of (a) a layer of an electrically insulating material having flexibility such as plastic resin films and (b) a copper foil of a specified thickness adhesively laminated to the insulating film (a) with intervention of (c) a thermosetting adhesive layer. Excellent processability of the base sheet to a printed circuit board having a finely patterned copper foil layer can be obtained when the surface of the copper foil (b) in contact with the thermosetting adhesive layer (c) has a surface roughness Rz not exceeding 3 &mgr;m and is provided with a surface treatment layer in which the content of nickel is in the range from 0.001 to 0.1 g/m2.
    Type: Application
    Filed: June 21, 2002
    Publication date: January 23, 2003
    Inventors: Hitoshi Arai, Yoshitsugu Eguchi
  • Publication number: 20020012780
    Abstract: The subject matter of the invention is a base sheet for the preparation of a flexible printed circuit board which is a three-layered laminate consisting of (a) an electrically insulating film of a plastic resin such as a polyimide, (b) an epoxy resin-based adhesive layer and (c) a copper foil bonded to the film (a) with intervention of the adhesive layer (b). The base sheet can exhibit excellent performance in respect of peeling resistance, soldering heat resistance, dimensional stability and solvent resistance as well as workability into a printed circuit board only when each of the layers (a), (b) and (c) has a specified thickness in a narrow range of 10-30 &mgr;m, 5-15 &mgr;m and 5-15 &mgr;m, respectively.
    Type: Application
    Filed: July 2, 2001
    Publication date: January 31, 2002
    Applicant: Shin-Etsu Chemical Co., Ltd.
    Inventors: Masahiro Yuyama, Hitoshi Arai, Yoshitsugu Eguchi