Patents by Inventor Takayuki Hira

Takayuki Hira 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: 9162635
    Abstract: The present invention relates to a vehicle door which is mounted via a hinge (14) to an upper edge portion of a door opening portion (12) that is formed on a vehicle body and which is pivotable in an up-down direction and which includes a door body (15) formed of metal, a decorative member (18) that is attached to a vehicle outer side of a lower portion of the door body (15), an outer plate portion (30) which is mounted on the decorative member (18) and disposed to be spaced apart from a vehicle outer side surface of the door body (15) and which has a predetermined width in the up-down direction and extends over a substantially overall width in a door width direction, a bottom plate portion (31) which is mounted on the decorative member (18) and extends from a lower end of the outer plate portion (30) to a vehicle inner side so as to be directed to a position lower than a lower end of the door body (15), and a protruding plate portion (32) which is provided on the decorative member (18) and protrudes upward f
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: October 20, 2015
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Hiroyuki Hazawa, Shigeki Tanimoto, Takayuki Hira
  • Publication number: 20150028621
    Abstract: The present invention relates to a vehicle door which is mounted via a hinge (14) to an upper edge portion of a door opening portion (12) that is formed on a vehicle body and which is pivotable in an up-down direction and which includes a door body (15) formed of metal, a decorative member (18) that is attached to a vehicle outer side of a lower portion of the door body (15), an outer plate portion (30) which is mounted on the decorative member (18) and disposed to be spaced apart from a vehicle outer side surface of the door body (15) and which has a predetermined width in the up-down direction and extends over a substantially overall width in a door width direction, a bottom plate portion (31) which is mounted on the decorative member (18) and extends from a lower end of the outer plate portion (30) to a vehicle inner side so as to be directed to a position lower than a lower end of the door body (15), and a protruding plate portion (32) which is provided on the decorative member (18) and protrudes upward f
    Type: Application
    Filed: December 18, 2012
    Publication date: January 29, 2015
    Inventors: Hiroyuki Hazawa, Shigeki Tanimoto, Takayuki Hira
  • Patent number: 7967358
    Abstract: A vehicular footrest includes a footrest part (36) for making contact with a foot (F) of a vehicle occupant (M), and a footrest base member (34). The footrest has a front surface load absorption mechanism (33) for absorbing a load applied to a firewall (23), and a lower limb load absorption mechanism (35) for absorbing a load applied from a vehicle occupant to the footrest part (36).
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: June 28, 2011
    Assignee: Honda Motor Co., Ltd.
    Inventors: Hidemasa Shukuri, Hideto Nebuya, Ken Muto, Takuya Shirahata, Takayuki Hira
  • Publication number: 20100230990
    Abstract: A vehicular footrest is disclosed which includes a footrest part (36) for making contact with a foot (F) of a vehicle occupant (M), and a footrest base member (34). The footrest has a front surface load absorption mechanism (33) for absorbing a load applied to a firewall (23), and a lower limb load absorption mechanism (35) for absorbing a load applied from a vehicle occupant to the footrest part (36).
    Type: Application
    Filed: November 7, 2008
    Publication date: September 16, 2010
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Hidemasa Shukuri, Hideto Nebuya, Ken Muto, Takuya Shirahata, Takayuki Hira
  • Patent number: 5886493
    Abstract: An excitation control device controls excitation of a synchronous machine so as to absorb the harmonic current of a specified order superposed onto the current flowing between an electric power system to the synchronous machine.A harmonic detector selectively passes a harmonic component of the order of 6n.+-.1 in the detection signal detected by a current transformer. A pass signal of the harmonic detector is. 3-phase/2-phase converted by a rotating coordinate circuit into components on the orthogonal 2 axes on the rotating coordinate system rotating at an angular frequency of a fundamental current of the electric power system. At this time, the pass signal is calculated as a 6n-order harmonic current represented by the components on the normal two axes. The obtained 6n-order harmonic current is retrieved through a 6n-order harmonic filter, amplified by a power amplifier, and provided as an excitation current for the synchronous machine.
    Type: Grant
    Filed: March 12, 1996
    Date of Patent: March 23, 1999
    Assignees: The Kansai Electric Power Co., Inc., Fuji Electric Co., Ltd.
    Inventors: Yoshisuke Ueda, Fuyuto Takase, Kiyoshi Oku, Takayuki Hira, Atsushi Ashizawa
  • Patent number: 5668458
    Abstract: A synchronous machine effectively absorbs higher harmonics in an AC system to which the synchronous machine is linked. The synchronous machine includes a damper winding, disposed on each magnetic pole and constituting by itself an independent closed circuit; capacitors, each of which is connected in parallel with each of several damper winding divisions obtained by dividing the damper winding at predetermined winding turns; a DC reactor for blocking flowing-in of higher harmonics to a DC power supply for DC excitation; a series resonant circuit further including the damper winding and the capacitors; and a series resonant circuit including the field winding and capacitors. Resonant frequencies of both series resonant circuits are set at 6 nf (n: an integer, f: a fundamental frequency) so as to greatly reduce impedance of the damper winding and the field circuit seen from an armature of the synchronous machine, by which to extinguish or reduce higher harmonics (6n.+-.1)f of the AC system.
    Type: Grant
    Filed: February 15, 1995
    Date of Patent: September 16, 1997
    Assignees: Kansai Electric Power Co., Inc., Fuji Electric Co.
    Inventors: Yoshisuke Ueda, Fuyuto Takase, Kiyoshi Oku, Takayuki Hira, Atsushi Ashizawa
  • Patent number: 5352872
    Abstract: In a system of supplying electric power to an induction furnace, a required heating power is directly supplied to the induction furnace from an ac synchronous generator driven by a prime mover, such as a diesel engine, via a single-phase coil. At the same time, the voltage to be supplied to the single-phase coil is rendered continuously variable by an automatic voltage regulator of the generator to render continuously variable the heating power corresponding to the voltage to be supplied, and the frequency of the voltage to be supplied is rendered continuously variable by an automatic frequency regulator of the prime mover in accordance with predetermined mutual relationships with the voltage to be supplied. In addition, at the start of power supply, the voltage to be supplied and the frequency thereof are increased with gradients for a predetermined time duration from their predetermined minimum values to their rated values in accordance with the predetermined mutual relationships.
    Type: Grant
    Filed: March 1, 1993
    Date of Patent: October 4, 1994
    Assignee: Fuji Electric Co., Ltd.
    Inventors: Sadao Tsuji, Takayuki Hira, Shizuo Hayashi