Patents by Inventor Seiji Yoshikawa

Seiji Yoshikawa 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: 20190243740
    Abstract: A determining program that executes a determination process comprising: specifying a monitoring target associated with a target job by referring to a memory configured to store a monitoring target in association with the target job, the monitoring target being monitored in a determination process, the determination process determining, based on whether the target job finishes by a first reference time point or within a first reference time period, whether the target job has abnormality; updating the first reference time point or the first reference time period to a second reference time point or a second reference time period, respectively, based on monitoring information obtained through monitoring the specified monitoring target; and determining, based on the second reference time point or the second reference time period, whether the target job has abnormality.
    Type: Application
    Filed: February 4, 2019
    Publication date: August 8, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Seiji Kambe, Kazuyuki Tanaka, MASASHI KATOU, Naoaki Ono, Akinobu Noda, Tokutomi NAGAO, Daiki Yoshikawa, Masahiro FUKUDA, Kazuyuki Sakai
  • Patent number: 10358794
    Abstract: A work vehicle, includes: a lift arm rotatably linked to a front portion of a vehicle body of a work vehicle so as to be allowed to swing along an up/down direction; an operation lever that can be operated within a range between a raising operation end position and a lowering operation end position, and is operated to raise and lower the lift arm; an up detent mechanism having a holding function for holding the operation lever at the raising operation end position once the operation lever is operated to the raising operation end position; and a down detent mechanism having a holding function for holding the operation lever at the lowering operation end position once the operation lever is operated to the lowering operation end position, wherein: when an angle of the lift arm becomes greater than a predetermined upper limit, the holding function of the up detent mechanism and the holding function of the down detent mechanism are disengaged.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: July 23, 2019
    Assignee: KCM Corporation
    Inventors: Tetsuji Tanaka, Yasunori Miyamoto, Koji Hyodo, Isamu Aoki, Katsuyuki Kirita, Hiroaki Yada, Seiji Nakagawa, Masaki Yoshikawa
  • Patent number: 7978252
    Abstract: An imaging apparatus, imaging system, and imaging method enabling restoration of image according to a plurality of optical systems by one apparatus, having a plurality of imaging apparatuses 100A to 100C each having an optical system 110, phase plate (optical wavefront modulation element) 120, imaging element 130 able to capture an object aberration image passing through the optical system 110 and phase plate 120, imaging apparatus side storage portion 140 storing coefficient specifying information for specifying a convolution coefficient, and transmission device 150 transmitting object aberration image data obtained from the imaging element 130 and the coefficient specifying information stored in the storage portion 140; and a processing device 200 acquiring one coefficient from among a plurality of convolution coefficients stored in advance based on coefficient specifying information in accordance with a zoom position or zoom amount transmitted from the imaging apparatus 100, and generating dispersion-free
    Type: Grant
    Filed: March 29, 2006
    Date of Patent: July 12, 2011
    Assignee: Kyocera Corporation
    Inventor: Seiji Yoshikawa
  • Patent number: 7956222
    Abstract: Methods of the present invention for producing dibromofluorobenzene derivatives (compounds II) comprise Step 1, in which compounds (I) having the following general formula (I): (wherein, R1 and R2 each independently represent a C1-6 alkyl group) are reacted in a solvent with a brominating reagent.
    Type: Grant
    Filed: July 27, 2005
    Date of Patent: June 7, 2011
    Assignee: Eisai R&D Management Co., Ltd
    Inventor: Seiji Yoshikawa
  • Publication number: 20100280243
    Abstract: 4-(Substituted phenyl)hexahydropyrido[2,1-c][1,4]oxazin-6-one represented by formula (I) or a salt thereof is useful as an intermediate for the production of a bicyclic cinnamide compound which is an A? production inhibitor. 4-(Substituted phenyl)hexahydropyrido[2,1-c][1,4]oxazin-6-one or the salt thereof can be produced in an industrially advantageous manner by subjecting a compound represented by formula (II) or a salt thereof to an intramolecular condensation reaction.
    Type: Application
    Filed: December 25, 2008
    Publication date: November 4, 2010
    Inventors: Akio Kayano, Mitsuo Nagai, Yorihisa Hoshino, Kazunori Wakasugi, Masaaki Matsuda, Atsushi Kamada, Minetaka Isomura, Yoshihiro Nishikawa, Seiji Yoshikawa, Daisuke Shimmyo
  • Patent number: 7772226
    Abstract: The present invention is related to compounds represented by the following formula, or salts or hydrates thereof wherein, T1 represents a 4- to 12-membered heterocyclic group containing one or two nitrogen atoms in the ring, which is a monocyclic or bicyclic structure that may have one or more substituents; X represents a C1-6 alkyl group which may have one or more substituents, or such; Z1 and Z2 each independently represent a nitrogen atom or a group represented by the formula —CR2—; R1 and R2 independently represent a hydrogen atom, a C1-6 alkyl group which may have one or more substituents, or a C1-6 alkoxy group which may have one or more substituents, or such. These are novel compounds that exhibit an excellent DPPIV-inhibiting activity.
    Type: Grant
    Filed: August 28, 2008
    Date of Patent: August 10, 2010
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Seiji Yoshikawa, Eita Emori, Fumiyoshi Matsuura, Richard Clark, Hironori Ikuta, Kazunobu Kira, Nobuyuki Yasuda, Tadashi Nagakura, Kazuto Yamazaki
  • Publication number: 20100182485
    Abstract: An imaging apparatus, imaging system, and imaging method enabling restoration of image according to a plurality of optical systems by one apparatus, having a plurality of imaging apparatuses 100A to 100C each having an optical system 110, phase plate (optical wavefront modulation element) 120, imaging element 130 able to capture an object aberration image passing through the optical system 110 and phase plate 120, imaging apparatus side storage portion 140 storing coefficient specifying information for specifying a convolution coefficient, and transmission device 150 transmitting object aberration image data obtained from the imaging element 130 and the coefficient specifying information stored in the storage portion 140; and a processing device 200 acquiring one coefficient from among a plurality of convolution coefficients stored in advance based on coefficient specifying information in accordance with a zoom position or zoom amount transmitted from the imaging apparatus 100, and generating dispersion-free
    Type: Application
    Filed: March 29, 2006
    Publication date: July 22, 2010
    Applicant: KYOCERA CORPORATION
    Inventor: Seiji Yoshikawa
  • Publication number: 20100045825
    Abstract: An imaging apparatus and an image processing method able to simplify an optical system, able to reduce costs, able to obtain an image blurred only in a background by a single imaging operation, and able to obtain a restored images with little influence of noise, wherein a signal processing portion formed by an image processing device 140 etc.
    Type: Application
    Filed: September 15, 2006
    Publication date: February 25, 2010
    Applicant: KYOCERA CORPORATION
    Inventors: Toshiki Hatori, Yuusuke Hayashi, Masayuki Satou, Seiji Yoshikawa
  • Publication number: 20090304237
    Abstract: A biometric authentication apparatus having a simple configuration, able to easily focus on a fingerprint or a vein or other blood vessel pattern and able to clearly capture an image of the same, able to prevent forgery, and in addition able to realize high precision authentication, which biometric authentication apparatus 100 having a transparent plate 110 formed by for example glass or plastic for placement of the finger of the authenticated person, that is, the inspected specimen OBJ, downward in the figure (surface where fingerprint is located facing downward), a fingerprint capturing use illumination apparatus 120, a vein capturing use illumination apparatus 130, and an image capturing apparatus 140, which image capturing apparatus 140 has an imaging lens apparatus capturing a dispersed image of an object passing through the optical system and phase plate, an image processing apparatus generating a dispersion-free image signal from a dispersed image signal from the imaging element, and an object approxim
    Type: Application
    Filed: June 28, 2006
    Publication date: December 10, 2009
    Applicants: KYOCERA CORPORATION, KYOCERA OPTEC CORPORATION
    Inventors: Seiji Yoshikawa, Masayuki Satou, Masakazu Takei, Toshiya Nagao
  • Publication number: 20090270623
    Abstract: A compound (8) represented by the formula: (8) wherein R1 represents a 6- to 14-membered aromatic hydrocarbon ring group which may have a substituent; and n represents 0 to 2, can be produced with good efficiency by reacting a compound (3) represented by the formula: (3) wherein R1 and n are as defined above; and Q represents a single bond or —CH(Y)— where Y represents a hydrogen atom or a C1-6 alkyl group] with 3-methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde in the presence of a base.
    Type: Application
    Filed: November 17, 2006
    Publication date: October 29, 2009
    Inventors: Naoyuki Shimomura, Nobuaki Sato, Toshihiko Kaneko, Mamoru Takaishi, Kazunori Wakasugi, Seiji Yoshikawa, Yoshihiro Nishikawa, Taiju Nakamura, Tohru Fukuyama
  • Patent number: 7524847
    Abstract: The objective of this invention is to provide novel compounds that show excellent DPPIV-inhibiting activity. The present invention provides compounds represented by the general formula (I), salts thereof, or hydrates thereof, [wherein, T1 stands for a monocyclic or bicyclic 4 to 12-membered heterocycle having 1 or 2 nitrogen atoms in the ring, which may have substituents; in formula (I), the following formula represents a double bond or a single bond; X3 denotes an oxygen atom or a sulfur atom; X1 denotes a C2-6 alkyl group which may have substituents; Z1 denotes a nitrogen atom or the formula —CR3=; Z2 and Z3 each independently denote a nitrogen atom, the formula —CR1=, a carbonyl group, or the formula —NR2—; R1, R2, R3, and X2 each independently denote a C1-6 alkyl group which may have substituents, and such].
    Type: Grant
    Filed: December 2, 2003
    Date of Patent: April 28, 2009
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Kazunobu Kira, Richard Clark, Seiji Yoshikawa, Taisuke Uehara
  • Publication number: 20090018331
    Abstract: The present invention is related to compounds represented by the following formula, or salts or hydrates thereof wherein, T1 represents a 4- to 12-membered heterocyclic group containing one or two nitrogen atoms in the ring, which is a monocyclic or bicyclic structure that may have one or more substituents; X represents a C1-6 alkyl group which may have one or more substituents, or such; Z1 and Z2 each independently represent a nitrogen atom or a group represented by the formula —CR2—; R1 and R2 independently represent a hydrogen atom, a C1-6 alkyl group which may have one or more substituents, or a C1-6 alkoxy group which may have one or more substituents, or such. These are novel compounds that exhibit an excellent DPPIV-inhibiting activity.
    Type: Application
    Filed: August 28, 2008
    Publication date: January 15, 2009
    Applicant: Eisai R&D Management Co., Ltd.
    Inventors: Seiji Yoshikawa, Eita Emori, Fumiyoshi Matsuura, Richard Clark, Hironori Ikuta, Kazunobu Kira, Nobuyuki Yasuda, Tadashi Nagakura, Kazuto Yamazaki
  • Publication number: 20080306272
    Abstract: A compound represented by the following formula (1): wherein R represents a 4-fluorophenyl group and the like; Q represents —CH(CH3)— and the like; and n represents 1 and the like and a pharmaceutically acceptable salt thereof can be prepared in one-pot by reacting a compound represented by the following formula (2): wherein R1 represents a 4-fluorophenyl group and the like; and Q and n have the same meaning as described above, with 3-methoxy-4-(4-methyl-1H-imidazol-1-yl)benzaldehyde in the presence of a base and, if necessary, removing a protecting group.
    Type: Application
    Filed: May 15, 2008
    Publication date: December 11, 2008
    Applicant: Eisai R&D Management Co., Ltd.
    Inventors: Naoyuki Shimomura, Seiji Yoshikawa, Yoshihiko Hisatake, Akio Imai
  • Publication number: 20080045753
    Abstract: Disclosed is a method for producing a dibromofluorobenzene derivative (compound II) comprising a step 1 wherein a compound (I) represented by the general formula (I) below is reacted with a brominating agent in a solvent. (I) (II) (In the formulae, R1 and R2 independently represent a C1-6 alkyl group.
    Type: Application
    Filed: July 27, 2005
    Publication date: February 21, 2008
    Applicant: Eisai R&D Management Co., Ltd.
    Inventor: Seiji Yoshikawa
  • Publication number: 20070268376
    Abstract: An imaging apparatus, and method, enabling lens design without regard to an object distance and a defocus range and enabling image restoration by high precision processing, has an image lens device 200 for capturing a dispersed image of an object passing through an optical system and a phase plate serving as an optical wavefront modulation element, an image processing device 300 for generating a dispersion-free image signal from a dispersed image signal from the imaging element 220, and an object schematic distance information detection device 400 for generating information corresponding to the distance up to the object, wherein the image processing device 300 generates a dispersion-free image signal from the dispersed image signal based on the information generated by the object schematic distance information detection device 400.
    Type: Application
    Filed: August 26, 2005
    Publication date: November 22, 2007
    Applicant: KYOCERA CORPORATION
    Inventors: Seiji Yoshikawa, Yusuke Hayashi
  • Patent number: 7238720
    Abstract: The present invention relates to use of 1-carbamoylazole derivatives as medicaments and pharmaceutical compositions containing 1-carbamoylazole derivatives as the active ingredient, based on their DPPIV inhibiting effects.
    Type: Grant
    Filed: January 27, 2004
    Date of Patent: July 3, 2007
    Assignee: Eisai R & D Management Co. Ltd.
    Inventors: Nobuyuki Yasuda, Tadashi Nagakura, Kazuto Yamazaki, Seiji Yoshikawa, Toshimi Okada, Hironori Ikuta, Mika Koyanagi
  • Patent number: 7112593
    Abstract: An excellent squalene synthase inhibitor is provided. Specifically, what is provided is a compound (I) represented by the following formula, a salt thereof or a hydrate of them. In formula (I), R1 represents an optionally substituted vinyl group or an aromatic ring which may be substituted. Also, n is an integer of 0 to 2. Further, X, Y and Z are the same as or different from each other and each represents an optionally substituted carbon atom, or an optionally substituted nitrogen atom, sulfur atom or oxygen atom, and Y optionally represents a single bond, and when Y represents the single bond, the ring to which X, Y and Z belong is a 5-membered ring. Also in the formula, CyA represents a 5- to 14 membered non-aromatic cyclic amino group or non-aromatic cyclic amido group which may be substituted, and the non-aromatic cyclic amino group or the non-aromatic cyclic amido group optionally having an oxygen atom or a sulfur atom.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: September 26, 2006
    Assignee: Eisai Co., Ltd.
    Inventors: Toshimi Okada, Nobuyuki Kurusu, Keigo Tanaka, Seiji Yoshikawa, Daisuke Shinmyo, Nobuhisa Watanabe, Hironori Ikuta, Hironobu Hiyoshi, Takao Saeki, Mamoru Yanagimachi, Masashi Ito
  • Patent number: 7074798
    Abstract: The present invention provides novel compounds exhibiting an excellent DPPIV inhibition effect. The compounds are represented by the formula: wherein, m is 0 or 1; n is 0; R31, R32, R33, R34, R35, R36, R37, R38, R39, R40, R41, and R42 each represent a hydrogen atom; X represents an alkynyl group, an aryl group, and such, which group may be substituted; and, R1 and R2 each independently represents a hydrogen atom, an alkyl group, an alkoxyl group, or such, or salts or hydrates thereof.
    Type: Grant
    Filed: February 24, 2003
    Date of Patent: July 11, 2006
    Assignee: Eisai Co., Ltd
    Inventors: Seiji Yoshikawa, Eita Emori, Fumiyoshi Matsuura, Richard Clark, Hironori Ikuta, Nobuyuki Yasuda, Tadashi Nagakura, Kazuto Yamazaki, Mika Aoki
  • Publication number: 20060111362
    Abstract: The objective of this invention is to provide novel compounds that show excellent DPPIV-inhibiting activity. The present invention provides compounds represented by the general formula (I), salts thereof, or hydrates thereof, [wherein, T1 stands for a monocyclic or bicyclic 4 to 12-membered heterocycle having 1 or 2 nitrogen atoms in the ring, which may have substituents; in formula (I), the following formula represents a double bond or a single bond; X3 denotes an oxygen atom or a sulfur atom; X1 denotes a C2-6 alkyl group which may have substituents; Z1 denotes a nitrogen atom or the formula —CR3?; Z2 and Z3 each independently denote a nitrogen atom, the formula —CR1?, a carbonyl group, or the formula —NR2—; R1, R2, R3, and X2 each independently denote a C1-6 alkyl group which may have substituents, and such].
    Type: Application
    Filed: December 2, 2003
    Publication date: May 25, 2006
    Applicant: Eisai Co., Ltd.
    Inventors: Kazunobu Kira, Richard Clark, Seiji Yoshikawa, Taisuke Uehara
  • Patent number: RE39112
    Abstract: The present invention provides a preventive or therapeutic agent of a new type for diabetes mellitus and diabetic complications on the basis of an adenosine A2 receptor antagonist action. A purine compound represented by the formula (I), its pharmacologically acceptable salt or hydrates thereof has an adenosine A2 receptor antagonistic action and is useful for prevention or therapy of diabetes mellitus and diabetic complications. In addition, adenosine A2 receptor antagonists having different structures from those of the compounds described above, for example KW6002, are also effective for prevention or therapy of diabetes mellitus and diabetic complications. In the formula, W is —CH2CH2—, or —CH?CH— or —C?C—; R1 is: (in the formula, X is hydrogen atom, hydroxyl group, a lower alkyl group, a lower alkoxy group, etc.; and R5 and R6 are the same as or different from each other and each represents hydrogen atom, a lower alkyl group, a cycloalkyl group, etc.) and the like; R2 is an amino group, etc.
    Type: Grant
    Filed: December 24, 1998
    Date of Patent: May 30, 2006
    Assignee: Eisai Co., Ltd.
    Inventors: Osamu Asano, Hitoshi Harada, Yorihisa Hoshino, Seiji Yoshikawa, Takashi Inoue, Tatsuo Horizoe, Nobuyuki Yasuda, Kaya Ohashi, Junsaku Nagaoka, Manabu Murakami, Seiichi Kobayashi