Patents by Inventor Hidetoshi Ishihara

Hidetoshi Ishihara 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: 6627967
    Abstract: A Schottky barrier diode has a Schottky contact region formed in an n epitaxial layer disposed on a GaAs substrate and an ohmic electrode surrounding the Schottky contact region. The ohmic electrode is disposed directly on an impurity-implanted region formed on the substrate. An insulating region is formed through the n epitaxial layer so that an anode bonding pad is isolated form other elements of the device at a cathode voltage. The planar configuration of this device does not include the conventional polyimide layer, and thus has a better high frequency characteristics than conventional devices.
    Type: Grant
    Filed: July 26, 2002
    Date of Patent: September 30, 2003
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Tetsuro Asano, Katsuaki Onada, Yoshibumi Nakajima, Shigeyuki Murai, Hisaaki Tominaga, Koichi Hirata, Mikito Sakakibara, Hidetoshi Ishihara
  • Publication number: 20030094668
    Abstract: An integrated Schottky barrier diode chip includes a compound semiconductor substrate, a plurality of Schottky barrier diodes formed on the substrate and an insulating region formed on the substrate by an on implantation. The insulating region electrically separates a portion of a diode at a cathode voltage from a portion of the diode at an anode voltage. Because of the absence of a polyimide layer and trench structures, this planar device configuration results in simpler manufacturing method and improved device characteristics.
    Type: Application
    Filed: October 30, 2002
    Publication date: May 22, 2003
    Inventors: Tetsuro Asano, Katsuaki Onoda, Yoshibumi Nakajima, Shigeyuki Murai, Hisaaki Tominaga, Koichi Hirata, Mikito Sakakibara, Hidetoshi Ishihara
  • Publication number: 20030089959
    Abstract: A Schottky barrier diode has a Schottky contact region formed in an n epitaxial layer disposed on a GaAs substrate and an ohmic electrode surrounding the Schottky contact region. The ohmic electrode is disposed directly on an impurity-implanted region formed on the substrate. An insulating region is formed through the n epitaxial layer so that an anode bonding pad is isolated form other elements of the device at a cathode voltage. The planar configuration of this device does not include the conventional polyimide layer, and thus has a better high frequency characteristics than conventional devices.
    Type: Application
    Filed: July 26, 2002
    Publication date: May 15, 2003
    Applicant: Sanyo Electric Company, Ltd.
    Inventors: Tetsuro Asano, Katsuaki Onada, Yoshibumi Nakajima, Shigeyuki Murai, Hisaaki Tominaga, Koichi Hirata, Mikito Sakakibara, Hidetoshi Ishihara
  • Patent number: 6553953
    Abstract: At least a part of a duct wall of a suction duct is formed out of a molded body of non-woven fabric. The non-woven fabric contains a thermoplastic resin binder.
    Type: Grant
    Filed: November 29, 2000
    Date of Patent: April 29, 2003
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Kazuo Fujihara, Yasuo Sakakibara, Yoshikazu Hirose, Takahiro Komori, Hitoshi Kino, Zenichi Yasuda, Hidetoshi Ishihara, Kuniyasu Ito, Masaru Hattori
  • Publication number: 20030060031
    Abstract: A Schottky barrier diode has a Schottky contact region formed in an n epitaxial layer disposed on a GaAs substrate and an ohmic electrode surrounding the Schottky contact region. The ohmic electrode is disposed directly on an impurity-implanted region formed on the substrate. An insulating region is formed through the n epitaxial layer so that an anode bonding pad is isolated form other elements of the device at a cathode voltage. The planar configuration of this device does not include the conventional polyimide layer, and thus has a better high frequency characteristics than conventional devices.
    Type: Application
    Filed: July 26, 2002
    Publication date: March 27, 2003
    Applicant: Sanyo Electric Company, Ltd.
    Inventors: Tetsuro Asano, Katsuaki Onada, Yoshibumi Nakajima, Shigeyuki Murai, Hisaaki Tominaga, Koichi Hirata, Mikito Sakakibara, Hidetoshi Ishihara
  • Publication number: 20030036252
    Abstract: A Schottky barrier diode has a Schottky electrode formed on an operation region of a GaAs substrate and an ohmic electrode surrounding the Schottky electrode. The ohmic electrode is disposed directly on an impurity-implanted region formed on the substrate. A nitride film insulates the ohmic electrode from a wiring layer connected to the Schottky electrode crossing over the ohmic electrode. The planar configuration of this device does not include the conventional polyimide layer, and thus has a better high frequency characteristics than conventional devices.
    Type: Application
    Filed: July 26, 2002
    Publication date: February 20, 2003
    Applicant: Sanyo Electric Company, Ltd.
    Inventors: Tetsuro Asano, Katsuaki Onoda, Yoshibumi Nakajima, Shigeyuki Murai, Hisaaki Tominaga, Koichi Hirata, Mikito Sakakibara, Hidetoshi Ishihara
  • Patent number: 6517595
    Abstract: An intake duct for introducing outside air into an air cleaner of an internal combustion engine is provided which includes a hollow duct body with an opening, and a piece of non-woven fabric, formed in a flat shape, is joined to the duct body to close the opening. The duct body includes a circumferential wall formed of a resin, and the opening is formed along a plane extending through a portion of the circumferential wall. The piece of non-woven fabric is fixed to the duct body so that some of the resin of the duct body penetrates into the non-woven fabric.
    Type: Grant
    Filed: January 17, 2001
    Date of Patent: February 11, 2003
    Assignees: Toyoda Gosei Co., Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Hitoshi Kino, Hidetoshi Ishihara, Takahiro Komori, Yoshikazu Hirose, Katsumi Yokohashi, Yoshikazu Tanaka
  • Publication number: 20030025175
    Abstract: A Schottky barrier diode has a Schottky electrode formed on an operation region of a GaAs substrate and an ohmic electrode surrounding the Schottky electrode. The ohmic electrode is disposed directly on an impurity-implanted region formed on the substrate. A nitride film insulates the ohmic electrode from a wiring layer connected to the Schottky electrode crossing over the ohmic electrode. The planar configuration of this device does not include the conventional polyimide layer, and thus has a better high frequency characteristics than conventional devices.
    Type: Application
    Filed: July 26, 2002
    Publication date: February 6, 2003
    Applicant: Sanyo Electric Company, Ltd.
    Inventors: Tetsuro Asano, Katsuaki Onoda, Yoshibumi Nakajima, Shigeyuki Murai, Hisaaki Tominaga, Koichi Hirata, Mikito Sakakibara, Hidetoshi Ishihara
  • Patent number: 6332442
    Abstract: An intake air duct serves as a passage for supplying air to an engine, and includes a first intake air passage, a second intake air passage, an opening-and-closing valve, an interlocking member and a coiled spring. The opening-and-closing valve is disposed swingably in the second intake air passage so as to open and close the second intake air passage. The interlocking member is disposed outside the first intake air passage or the second intake air passage, and swings by interlocking with the swinging of the opening-and-closing valve. The coiled spring is disposed swingably outside the first intake air passage or the second intake air passage, and has a swinging end, which is brought into contact with a surface of the interlocking member. The swinging end slides on a surface of the interlocking member as the swinging of the interlocking member.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: December 25, 2001
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Minoru Komada, Kazuo Fujihara, Yoshikazu Hirose, Takahiro Komori, Hitoshi Kino, Hidetoshi Ishihara
  • Publication number: 20010011448
    Abstract: An intake duct for introducing outside air into an air cleaner of an internal combustion engine is provided which includes a hollow duct body with an opening, and a piece of non-woven fabric, formed in a flat shape, is joined to the duct body to close the opening. The duct body includes a circumferential wall formed of a resin, and the opening is formed along a plane extending through a portion of the circumferential wall. The piece of non-woven fabric is fixed to the duct body so that some of the resin of the duct body penetrates into the non-woven fabric.
    Type: Application
    Filed: January 17, 2001
    Publication date: August 9, 2001
    Inventors: Hitoshi Kino, Hidetoshi Ishihara, Takahiro Komori, Yoshikazu Hirose, Katsumi Yokohashi, Yoshikazu Tanaka
  • Patent number: 6209503
    Abstract: An intake duct capable of reducing intake noise when an engine runs at a low speed and supplying a sufficiently large amount of air when the engine runs at a high speed without using any electron control circuit or electromagnetic valve, which is produced at low costs. The intake duct includes valve adjusting means which restrains the movement of the valve member when the valve member brings a second intake passage from the closed state to the open state, and facilitates the movement of the valve member when the valve member brings the second intake passage from the open state to the closed state. When the second intake passage is brought to the open state from the closed state, the restraining force of the valve adjusting means is great to restrain the movement of the valve member, and when the second intake passage is brought to the closed state from the open state, the valve member readily pivots to open the second intake passage.
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: April 3, 2001
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Minoru Komada, Kazuo Fujihara, Yoshikazu Hirose, Takahiro Komori, Hitoshi Kino, Hidetoshi Ishihara
  • Patent number: 5829483
    Abstract: A hose includes an outer hose member, and an inner hose member. The outer hose member includes a first bellows-like tubular portion at least in the intermediate area in the axial direction. The inner hose member is disposed substantially coaxially in the outer hose member, includes a second bellows-like tubular portions in the area corresponding to the first bellows-like tubular portion of the outer hose member, and adapted to form a tubular air layer between the second bellows-like tubular portion and the first bellows-like tubular portion. Because of the outer hose member and the inner hose member, the hose exhibits a high flexibility, a reliable barrier ability against gasoline fuels or the like, and an improved adiabatic ability and anti-flammability for the inner hose member.
    Type: Grant
    Filed: October 3, 1995
    Date of Patent: November 3, 1998
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Masamitu Tukahara, Shinji Ito, Tadanobu Iwasa, Fujio Ninomiya, Hiroyuki Mori, Joji Kasugai, Hidetoshi Ishihara, Masayuki Nakagawa
  • Patent number: 5762858
    Abstract: A process for producing a muffler hose having opposite ends, an intermediate portion having a noise-reducing communication hole, and a noise-reducing expansion chamber. The process includes the steps of fitting a protector at the opposite ends of the hose, and disposing the hose and the protectors in a separable blow-molding mold having a jaw; extruding a tubular parison around the hose and the protectors, closing the blow-molding mold, reducing the parison diametrically at two axially-apart positions by the jaw, clamping the parison around the hose at two axially-opposite positions of the hose, the two axially-opposite positions being intervened by the communication hole, and placing the opposite ends of the parison around the protectors; and blowing air into the parison through one of the protectors, and the communication hole of the hose to expand the parison, thereby forming the expansion chamber.
    Type: Grant
    Filed: February 2, 1996
    Date of Patent: June 9, 1998
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Ituro Maeda, Joji Kasugai, Hidetoshi Ishihara, Masaru Hattori
  • Patent number: 5756945
    Abstract: A muffler includes a box-shaped member formed so as to define an inner space therein, and including at least two communication ports. An inner pipe is accommodated in the box shaped member, and includes a fluid passage formed therein. An end of the inner pipe is installed to one of the communication ports, and another end thereof is installed to another one of the communication ports. A separation is provided in the inner pipe which communicates the fluid passage with the inner space. The inner pipe can include a first tubular member, a part thereof formed integrally with the body by injection molding, and a second tubular member having an end. The end is disposed in the inner space so as to face an end of the first tubular member in spaced relation so as to form the separation. A guide and a fixing member can be formed on an inner wall surface of the body so as to connect the inner pipe with the communication port.
    Type: Grant
    Filed: August 22, 1995
    Date of Patent: May 26, 1998
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Ituro Maeda, Sawami Miyaji, Hidetoshi Ishihara, Joji Kasugai
  • Patent number: 5430915
    Abstract: In a cloth piece spreading apparatus which carries out a process in which, after a corner C.sub.1 of a rectangular cloth piece 15 and a position Ya on the side of the cloth piece which includes this corner C.sub.1 are gripped by a movable gripper 16 to which there are attached two clips 17, and the cloth piece 15 is suspended naturally, the cloth piece 15 is pulled by the gripper 16 and is moved horizontally to the upper surface of a bench 35, which consists of a belt conveyor and the like, while undergoing contact resistance with a convex shaped front edge portion 36 of the bench 35, and is then pulled up onto the bench 35, there is provided a suction duct 47 having numerous suction holes 48 in the half the surface of the cloth edge side of the cloth pulling path on bench 35.
    Type: Grant
    Filed: April 16, 1993
    Date of Patent: July 11, 1995
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Atsushi Ueda, Hidetoshi Ishihara, Koichi Jinno, Kazuo Kitajima, Toshio Hattori, Kimiharu Fujihashi
  • Patent number: 5416992
    Abstract: An apparatus for spreading rectangular cloth including a suction duct having many holes on the half surface on the cloth edge side on the cloth running surface of the mounting stand, comprises belt moving/stopping units which are arranged on the mounting stand and each of which comprises a unit base on a fixed member above the mounting stand, an operating lever rotating around the fixed shaft of the unit base, a brake roller which is mounted to the operating lever and simultaneously drives and stops a single or plural conveyor belts, an air actuator for operating the operating lever, and a sensor for detecting the side edge of the cloth drawn at right angles to the conveyor running direction; and a control circuit which issues a command to the air actuator based on the cloth detection signal generated by the sensor for each of the belt moving/stopping unit; and the apparatus additionally have a cloth position control function to stop a single or plural conveyors by applying brake upon receipt of the cloth pas
    Type: Grant
    Filed: March 24, 1994
    Date of Patent: May 23, 1995
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Atsushi Ueda, Hidetoshi Ishihara, Kouichi Jinno, Kimiharu Fujihashi, Kazuo Kitajima, Toshio Hattori, Hiroyuki Asaoka
  • Patent number: 5392480
    Abstract: A washing method by a continuous washing machine including a drum having a charge port of a wash at one end and a discharge port thereof at the other end, partitions for dividing the drum into a plurality of chambers, and a scoop for scooping up the wash with the rotation of the drum and sequentially transferring it from a chamber on the side of charge port to a chamber on the side of discharge port, in which the normal rotation of the drum without transfer in the transfer direction and the reverse rotation without transfer are repeated several times to oscillate the wash several times, and then by the reverse rotation of the drum of one complete turn or more, the raising/dropping motion of the wash is performed by the scoop at least once, whereby washing is carried out by the combination of several oscillating motions and at least one raising/dropping motion.
    Type: Grant
    Filed: July 25, 1994
    Date of Patent: February 28, 1995
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Hidetoshi Ishihara, Shoichi Hayashi, Atsushi Ueda, Hiroyuki Asaoka, Haruo Hagiwara, Toshio Hattori
  • Patent number: 5349768
    Abstract: In a conveyor for carrying linens having processes of gripping any corner and one place on a side including the corner of a rectangular cloth (sheet 1) with clips 45 installed on a movable clamp 35; naturally hanging the cloth by raising with a clamp transfer conveyor; moving the cloth onto the top surface of a table composed of a flat belt conveyor 77 or the like by using the clamp 35; and pulling the cloth onto the table, the conveyor for carrying linens includes a drive section comprising: a clamp body 36; two pairs of wheels 39 supported by shafts fixed to the clamp body 36; a toothed block 37 which has a plurality of tooth-shaped protrusions engaging with a toothed belt 34 for driving the clamp and is installed straddling over the clamp body 36 by a pin 40 inserted into an elongated hole so that it can be moved downward by the height of the tooth-shaped protrusion; and a compression spring 41 which is energized so as to push the toothed block 37 in the engaging direction, and is engaged between the clamp
    Type: Grant
    Filed: May 18, 1993
    Date of Patent: September 27, 1994
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Hidetoshi Ishihara, Atsushi Ueda, Kunio Kojima
  • Patent number: 5289703
    Abstract: The drum type washing machine of the present invention is equipped with a drum that is rotated around a horizontal axis of rotation where the drum is formed by an outer wall with a form obtained by mutually joining the large-diameter parts of two truncated cones with substantially the same form. A plurality of beaters are installed on the inner surface of the peripheral wall of the drum with a predetermined spacing in the circumferential direction of the drum, arranged centripetally along the peripheral wall extending over the entire length of the drum in the direction of the rotary shaft.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: March 1, 1994
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Shoichi Hiyashi, Hidetoshi Ishihara
  • Patent number: 5248738
    Abstract: A vibration-damping resin molded product which can be used as an engine part or attachment in a motor vehicle, the resin molded product being made of a blend of nylons comprising:(A) 5 to 90% by weight, based on the total amount of the blend, of a nylon 6 resin,(B) 5 to 90% by weight, based on the total amount of the blend, of a xylylenediamine-based nylon resin, and(C) 5 to 90% by weight, based on the total amount of the blend, of a nylon 66 resin. Optionally, the resin molded product can contain an inorganic filler (D) in an amount of 10 to 150 parts by weight, per 100 parts by weight of the above-described blend of nylons.
    Type: Grant
    Filed: October 18, 1990
    Date of Patent: September 28, 1993
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Koichi Sato, Tadaoki Okumoto, Koji Sasaki, Hidetoshi Ishihara