Patents by Inventor Kazuyuki Nakanishi

Kazuyuki Nakanishi 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: 7455824
    Abstract: To provide a soft amorphous carbon exhibiting a low elastic modulus, an amorphous-carbon coated member provided with a coated film comprising the amorphous carbon, and a process for forming an amorphous carbon film. The amorphous carbon comprises carbon as a major component and hydrogen in an amount of from more than 30 atomic % to 60 atomic % or less, and exhibits an elastic modulus of from 40 or more to 150 GPa or less. Moreover, the amorphous-carbon coated member comprises a conductive substrate, and a coated film fixed on at least a part of a surface of the substrate and composed of the amorphous carbon. In addition, in a process for forming the amorphous-carbon coated film, an amorphous carbon film is formed on a surface of conductive substrates by a plasma CVD method.
    Type: Grant
    Filed: December 3, 2004
    Date of Patent: November 25, 2008
    Assignee: Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Kazuyuki Nakanishi, Tadashi Oshima, Hideo Hasegawa, Hiroyuki Mori, Takashi Iseki, Hideo Tachikawa, Munehisa Matsui
  • Patent number: 7427439
    Abstract: An amorphous-carbon coated member includes a conductive substrate, and an amorphous carbon film. The amorphous carbon film is fixed onto a part of a surface of the substrate at least, and includes a compositionally gradient film. The compositionally gradient film has an outer side and a substrate side, and is composed of carbon, silicon and hydrogen. The silicon concentration inclines continuously from the lowest to the highest in the direction away from the outer side to the substrate side. The hydrogen concentration inclines continuously from the highest to the lowest in the direction away from the outer side to the substrate side. The amorphous-carbon coated member exhibits not only good wear resistance but also low aggressiveness against mating member simultaneously.
    Type: Grant
    Filed: March 8, 2006
    Date of Patent: September 23, 2008
    Assignee: JTEKT Corporation
    Inventors: Toshiyuki Saito, Junji Ando, Kazuyuki Nakanishi, Hiroyuki Mori, Hideo Tachikawa
  • Publication number: 20080224176
    Abstract: A semiconductor integrated circuit is provided which entails no increase in the correction time of OPC and in which non-uniformity in the gate lengths due to the optical proximity effects is surely suppressed. A plurality of standard cells (C1, C2, C3, . . . ), each including gates G extended in the vertical direction, are aligned in the transverse direction to form a standard cell row. A plurality of the standard cell rows are located side by side in the vertical direction to form a standard cell group. Each of the standard cell rows has a terminal standard cell Ce at least one end of the standard cell row. The terminal standard cell Ce includes two or more supplementary gates, each of which is any of a dummy gate and a gate of an inactive transistor.
    Type: Application
    Filed: March 14, 2008
    Publication date: September 18, 2008
    Inventors: Kazuyuki Nakanishi, Hidetoshi Nishimura, Tomoaki Ikegami
  • Publication number: 20080190284
    Abstract: To provide a sliding member that exhibits excellent durability and is free of lead. A swash plate for a compressor as the sliding member of the invention contains a base material having on the surface thereof a sliding layer constituting at least a sliding surface, on which shoes slide. The sliding layer contains a first layer that contains an amorphous hard carbon (diamond-like carbon) film containing Si (DLC-Si film) and is formed on the base material, and a second layer that is formed on the first layer and contains polyamideimide (PAI) containing a solid lubricant such as MoS2.
    Type: Application
    Filed: January 29, 2008
    Publication date: August 14, 2008
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Takahiro Sugioka, Takayuki Kato, Shuichi Yasuda, Atsushi Saito, Masahiro Suzuki, Hitotoshi Murase, Takashi Iseki, Hideo Tachikawa, Kazuyuki Nakanishi, Takao Kobayashi, Ken-ichi Suzuki
  • Publication number: 20080188383
    Abstract: An amorphous carbon film includes carbon as a major component, and silicon in an amount of from 0.1 atomic % or more to 10 atomic % or less when the entire amorphous carbon film is taken as 100 atomic %. The carbon is composed of carbon having an sp2 hybrid orbital in an amount of from 60 atomic % or more to 90 atomic % or less when the entire carbon amount is taken as 100 atomic %. Also disclosed is a process for producing the amorphous carbon film.
    Type: Application
    Filed: November 24, 2005
    Publication date: August 7, 2008
    Applicant: Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Takashi Iseki, Hideo Tachikawa, Hiroyuki Mori, Kazuyuki Nakanishi, Munehisa Matsui, Shintaro Igarashi, Fumio Shimizu, Yoshinari Tsuchiya, Tadashi Oshima
  • Patent number: 7404866
    Abstract: A sliding member includes a superficial portion forming a sliding surface. The superficial portion includes an oxygen-containing alloy containing at least one metallic element selected from the group consisting of molybdenum and tungsten in an amount of from 2 to 80% by weight; and oxygen in an amount of from 0.5 to 15% by weight. The sliding member sustains lubricating characteristics given to the sliding surface over a long period of time to maintain a low friction coefficient and durability.
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: July 29, 2008
    Assignee: Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Kazuyuki Nakanishi, Hideo Tachikawa, Hiroyuki Mori, Tadashi Oshima
  • Patent number: 7396735
    Abstract: A semiconductor element heat dissipating member is provided which has excellent heat dissipation characteristics and adhesion characteristics and enables production of a semiconductor device at a low cost. A semiconductor device using the same, and a method of producing the same are also provided. The semiconductor element heat dissipating member has a conductive substrate and an electrically insulating amorphous carbon film containing hydrogen, and the electrically insulating amorphous carbon film is formed at least on a region of the conductive substrate on which region a semiconductor element is to be mounted.
    Type: Grant
    Filed: December 9, 2003
    Date of Patent: July 8, 2008
    Assignee: Kabushiki Kaisha Toyota Chuo Kenkyusyo
    Inventors: Kazuyuki Nakanishi, Tadashi Oshima, Hideo Hasegawa, Hiroyuki Mori, Hideo Tachikawa, Yukio Miyachi, Yasushi Yamada, Hiroyuki Ueda, Masayasu Ishiko
  • Publication number: 20070164317
    Abstract: A cell includes a plurality of diffusion region pairs, each of the diffusion region pairs being formed by a first impurity diffusion region which is a constituent of a transistor and a second impurity diffusion region such that the first and second impurity diffusion regions are provided side-by-side in a gate length direction with a device isolation region interposed therebetween. In each of the diffusion region pairs, the first and second impurity diffusion regions have an equal length in the gate width direction and are provided at equal positions in the gate width direction, and a first isolation region portion, which is part of the device isolation region between the first and second impurity diffusion regions, has a constant separation length. In the diffusion region pairs, the first isolation region portions have an equal separation length.
    Type: Application
    Filed: January 17, 2007
    Publication date: July 19, 2007
    Inventor: Kazuyuki Nakanishi
  • Publication number: 20070125458
    Abstract: This aims to provide a wear-resistant copper-based alloy, which is advantages in not only enhancing wear resistance in a high temperature range but also enhancing crack resistance and machinability and which is especially suitable for forming a cladding layer. The wear-resistant copper-based alloy comprises, by weight, 4.7 to 22.0% nickel, 0.5 to 5.0% silicon, 2.7 to 22.0% iron, 1.0 to 15.0% chromium, 0.01 to 2.00% cobalt, 2.7 to 22.0% one or more of tantalum, titanium, zirconium and hafnium, and the balance of copper with inevitable impurities.
    Type: Application
    Filed: December 10, 2004
    Publication date: June 7, 2007
    Inventors: Minoru Kawasaki, Tadashi Oshima, Takao Kobayashi, Kazuyuki Nakanishi, Hideo Tachikawa
  • Publication number: 20070108009
    Abstract: A drive force transmission device has an outer clutch plate and an inner clutch plate, which are rotatable relative to each other about a common rotational axis. The inner and outer clutch plates become frictionally engaged with each other with lubricant oil provided in between. The outer and inner clutch plates each have a sliding surface. The sliding surfaces face each other. A diamond-like carbon film is formed on the sliding surface of the outer clutch plate. Fine grooves are formed in the sliding surface of the inner clutch plate. The proportion of the sliding area to the sliding surface of the inner clutch plate at the initial stage of use is 55 to 90%.
    Type: Application
    Filed: August 30, 2006
    Publication date: May 17, 2007
    Applicant: JTEKT Corporation
    Inventors: Junji Ando, Naoyuki Sakai, Toshifumi Sakai, Toshiyuki Saito, Hajime Fukami, Kazuyuki Nakanishi, Hiroyuki Mori, Hideo Tachikawa
  • Publication number: 20070065331
    Abstract: This is to provide a build-up wear-resistant copper-based alloy, which is advantageous for enhancing the cracking resistance and machinability, which is appropriate for cases of building up to form built-up layers especially, and which is equipped with the wear resistance, cracking resistance and machinability combinedly in a well balanced manner. A build-up wear-resistant copper-based alloy is characterized in that it has a composition, which includes nickel: 5.0-20.0%; silicon: 0.5-5.0%; manganese: 3.0-30.0%; and an element, which combines with manganese to form a Laves phase and additionally to form silicide: 3.0-30.0%; by weight %, and inevitable impurities; and additionally the balance being copper. The element can be one member or two or more members of titanium, hafnium, zirconium, vanadium, niobium and tantalum.
    Type: Application
    Filed: September 15, 2006
    Publication date: March 22, 2007
    Inventors: Minoru Kawasaki, Tadashi Oshima, Takao Kobayashi, Kazuyuki Nakanishi
  • Patent number: 7148735
    Abstract: In a level shifter, in the case where the amplitude voltage of an input signal (i.e., a first power voltage VDDL) input to an input terminal is changed to be higher and the amplitude voltage of an output signal (i.e., a second power voltage VDDH) output from an output terminal is changed to be lower, a fall delay time of the signal output from the output terminal tends to be longer than a rise delay time of the signal. However, an inverted input signal obtained by an inverter is input to a level shifting unit and also to the gate of an N-type transistor, and therefore, the N-type transistor is turned on at the fall of the input signal input to the input terminal, so as to supply a current based on the second power voltage VDDH to an output node of the level shifting unit for assisting the shift into H level performed in the level shifting unit.
    Type: Grant
    Filed: July 28, 2005
    Date of Patent: December 12, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Miwa Ito, Kazuyuki Nakanishi, Akio Hirata, Hiroo Yamamoto, Tsuguyasu Hatsuda
  • Publication number: 20060210833
    Abstract: An amorphous-carbon coated member includes a conductive substrate, and an amorphous carbon film. The amorphous carbon film is fixed onto a part of a surface of the substrate at least, and includes a compositionally gradient film. The compositionally gradient film has an outer side and a substrate side, and is composed of carbon, silicon and hydrogen. The silicon concentration inclines continuously from the lowest to the highest in the direction away from the outer side to the substrate side. The hydrogen concentration inclines continuously from the highest to the lowest in the direction away from the outer side to the substrate side. The amorphous-carbon coated member exhibits not only good wear resistance but also low aggressiveness against mating member simultaneously.
    Type: Application
    Filed: March 8, 2006
    Publication date: September 21, 2006
    Applicant: JTEKT Corporation
    Inventors: Toshiyuki Saito, Junji Ando, Kazuyuki Nakanishi, Hiroyuki Mori, Hideo Tachikawa
  • Publication number: 20060181309
    Abstract: A rectangular opening is formed in a power supply line which is shared between cell rows. A connection to a substrate potential supply line is ensured in the rectangular opening.
    Type: Application
    Filed: February 16, 2006
    Publication date: August 17, 2006
    Inventor: Kazuyuki Nakanishi
  • Publication number: 20060108029
    Abstract: While securing the building-up ability and crack resistance, to provide a build-up wear-resistant copper alloy and valve seat. The build-up wear-resistant copper alloy and valve seat are characterized by having a composition of nickel: 5.0-24.5%, iron: 3.0-20.0%, silicon: 0.5-5.0%, boron: 0.05-0.5%, chromium: 0.3-5.0%, one member or two members or more selected from the group consisting of molybdenum, tungsten and vanadium: 3.0-20.0%, by weight %, and the balance being copper and inevitable impurities.
    Type: Application
    Filed: December 28, 2005
    Publication date: May 25, 2006
    Inventors: Minoru Kawasaki, Takao Kobayashi, Tadashi Oshima, Kazuyuki Nakanishi
  • Publication number: 20060057768
    Abstract: A semiconductor element heat dissipating member is provided which has excellent heat dissipation characteristics and adhesion characteristics and enables production of a semiconductor device at a low cost. A semiconductor device using the same, and a method of producing the same are also provided. The semiconductor element heat dissipating member has a conductive substrate and an electrically insulating amorphous carbon film containing hydrogen, and the electrically insulating amorphous carbon film is formed at least on a region of the conductive substrate on which region a semiconductor element is to be mounted.
    Type: Application
    Filed: December 9, 2003
    Publication date: March 16, 2006
    Applicant: Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Kazuyuki Nakanishi, Tadashi Oshima, Hideo Hasegawa, Hiroyuki Mori, Hideo Tachikawa, Yukio Miyachi, Yasushi Yamada, Hiroyuki Ueda, Masayasu Ishiko
  • Publication number: 20050258887
    Abstract: In a level shifter, in the case where the amplitude voltage of an input signal (i.e., a first power voltage VDDL) input to an input terminal is changed to be higher and the amplitude voltage of an output signal (i.e., a second power voltage VDDH) output from an output terminal is changed to be lower, a fall delay time of the signal output from the output terminal tends to be longer than a rise delay time of the signal. However, an inverted input signal obtained by an inverter is input to a level shifting unit and also to the gate of an N-type transistor, and therefore, the N-type transistor is turned on at the fall of the input signal input to the input terminal, so as to supply a current based on the second power voltage VDDH to an output node of the level shifting unit for assisting the shift into H level performed in the level shifting unit.
    Type: Application
    Filed: July 28, 2005
    Publication date: November 24, 2005
    Applicant: Matsushita Electric Industrial Co., Ltd.
    Inventors: Miwa Ito, Kazuyuki Nakanishi, Akio Hirata, Hiroo Yamamoto, Tsuguyasu Hatsuda
  • Publication number: 20050142361
    Abstract: To provide a soft amorphous carbon exhibiting a low elastic modulus, an amorphous-carbon coated member provided with a coated film comprising the amorphous carbon, and a process for forming an amorphous carbon film. The amorphous carbon comprises carbon as a major component and hydrogen in an amount of from more than 30 atomic % to 60 atomic % or less, and exhibits an elastic modulus of from 40 or more to 150 GPa or less. Moreover, the amorphous-carbon coated member comprises a conductive substrate, and a coated film fixed on at least a part of a surface of the substrate and composed of the amorphous carbon. In addition, in a process for forming the amorphous-carbon coated film, an amorphous carbon film is formed on a surface of conductive substrates by a plasma CVD method.
    Type: Application
    Filed: December 3, 2004
    Publication date: June 30, 2005
    Applicant: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
    Inventors: Kazuyuki Nakanishi, Tadashi Oshima, Hideo Hasegawa, Hiroyuki Mori, Takashi Iseki, Hideo Tachikawa, Munehisa Matsui
  • Patent number: 6853228
    Abstract: In a flip-flop circuit which includes an input section using a dynamic circuit and an output section using a static circuit and which captures data during a period of a pulse width shorter than a clock cycle, the number of transistors, circuit area and power consumption are reduced. In FIG. 1, an output signal of an inverter circuit INV1 constituting a latch circuit 2 connected to the output terminal of an input section 1 is used as an input signal of a control section 3. Thus, a control signal output from the control section 3 to the input section 1 is stabilized, thereby suppressing unnecessary operation of circuit elements and reducing unnecessary power consumption. In addition, the configuration of the control section 3 is simplified. As a result, the number of transistors constituting the circuit and the circuit area can be reduced.
    Type: Grant
    Filed: October 17, 2003
    Date of Patent: February 8, 2005
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Akio Hirata, Masahiro Gion, Kazuyuki Nakanishi
  • Publication number: 20040234770
    Abstract: Under wet sliding conditions using drivetrain system lubricating oils, a high frictional sliding member exhibiting a high friction coefficient, a favorable &mgr;-v characteristic stably, excellent wear resistance, and low mating-member aggressiveness is provided. The present invention is a wet sliding member comprising: a substrate composed of metal, ceramics, or resin; and an amorphous hard carbon film formed integrally on a surface of the substrate, having a surface, at least a part of which is turned into a sliding surface for sliding under wet conditions, and containing at least either one of Si and N in an amount of from 1 to 50 atomic %.
    Type: Application
    Filed: March 2, 2004
    Publication date: November 25, 2004
    Inventors: Hiroyuki Mori, Hideo Tachikawa, Masaru Okuyama, Mamoru Tohyama, Toshihide Ohmori, Kazuyuki Nakanishi