Patents by Inventor Kazufumi Nakamura

Kazufumi Nakamura 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: 20240128481
    Abstract: A gasket member for a solid polymer fuel cell, the gasket member including at least a laminate provided with a base material layer, and an adhesion layer positioned on both sides of the base material layer, wherein the laminate has a percentage retention of elongation at break of at least 60% after being left for 300 hours in 120° C. water.
    Type: Application
    Filed: February 10, 2022
    Publication date: April 18, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Kazufumi KODANI, Tsubasa KAGATA, Atsuko TAKAHAGI, Masayasu YAMAZAKI, Yoshiko KIYOHARA, Takashi NAKAMURA, Naoto TABUCHI
  • Publication number: 20210290598
    Abstract: Provided is a medicament useful for cardiovascular diseases. An agent for prevention and/or treatment of a cardiovascular diseases, comprising a combination of pemafibrate or a salt thereof and an HMG-CoA reductase inhibitor.
    Type: Application
    Filed: May 7, 2019
    Publication date: September 23, 2021
    Applicants: NATIONAL UNIVERSITY CORPORATION OKAYAMA UNIVERSITY, KOWA COMPANY, LTD.
    Inventors: Hiroshi ITO, Kazufumi NAKAMURA, Masatoki YOSHIDA, Keisuke INOUE
  • Publication number: 20140046472
    Abstract: The purpose of the present invention provides a disk transfer unit and inspection apparatus that can transfer a plurality of disks and increase throughput. The present invention includes: a supply/discharge/transfer portion fetching disks from a disk supply portion and discharging inspected disks to a predetermined place; an inspection unit transfer portion transferring the disks within an inspection unit; and a delivery/transfer portion transferring the disks between the disk supply/discharge/transfer portion and the inspection unit transfer portion. The delivery/transfer portion comprises: a base having a rotational center and is formed in an arc-like shape with center at the rotational center and providing with even numbers of disk mounting portions for mounting the disks and a driving portion for moving the base up and down and rotating the base about the rotational center, and transfers the disks between the supply/discharge/transfer portion and the inspection unit transfer portion.
    Type: Application
    Filed: August 8, 2013
    Publication date: February 13, 2014
    Applicant: Hitachi High-Technologies Corporation
    Inventors: Kazufumi NAKAMURA, Toshimitsu SHIRAISHI, Naoaki YAMASHITA, Mutuo KUROIWA, Tsutomu NAKADAI
  • Publication number: 20070027198
    Abstract: The main purpose of the invention is to provide a new specific crystal of 2-methyl-c-5-[4-[5-methyl-2-(4-methylphenyl)-1,3-oxazol-4-yl]butyl]-1,3-dioxane-r-2-carboxylic acid. The invention includes, for example, a crystal of 2-methyl-c-5-[4-[5-methyl-2-(4-methylphenyl)-1,3-oxazol-4-yl]butyl]-1,3-dioxane-r-2-carboxylic acid, which has peaks at the angles of diffraction of at least 12.4°, 17.1°, and 20.8° in a powder X-ray diffraction spectrum, and a preventive or therapeutic agent comprising the crystal as an active ingredient for use in coronary artery diseases, cerebral infarction, hyperlipemia, arteriosclerosis, diabetes mellitus, hypertension, or obesity.
    Type: Application
    Filed: September 10, 2004
    Publication date: February 1, 2007
    Inventors: Takeshi Okadai, Kazufumi Nakamura, Tetsuji Harabe
  • Publication number: 20040162221
    Abstract: Disclosed are novel pyrazole derivatives which are free of phytotoxicity to corn and can control a broad range of cropland weeds at a low dosage and herbicides containing them, and the present invention provides pyrazole derivatives of the general formula (I), or salts thereof, 1
    Type: Application
    Filed: February 12, 2004
    Publication date: August 19, 2004
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Kazufumi Nakamura, Kazuyoshi Koike, Masashi Sakamoto, Ichiro Nasuno
  • Patent number: 6677460
    Abstract: An aromatic carboxylic acid bicyclic sulfur compound of the formula (II): wherein X1 is a C1 to C4 alkyl, a halogen, a C1 to C4 haloalkyl, a C2 to C4 alkoxyalkyl, a C1 to C4 alkoxy or a C1 to C4 haloalkoxy; X2 is a hydrogen, a C1 to C4 alkyl or a C1 to C4 haloalkyl, or X2 forms a bond with X5; X3 is a hydrogen, a C1 to C4 alkyl or a C1 to C4 haloalkyl; X4 is a hydrogen, a halogen, a C1 to C4 alkyl, a C1 to C4 haloalkyl or a C1 to C4 alkoxy; X5 forms a bond with X2 or X5 forms a bond with X7; each of X6 and X8 is independently a hydrogen or a C1 to C4 alkyl or forms a bond with X5; p is 1; and n is 0, 1 or 2; or a salt thereof.
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: January 13, 2004
    Assignee: Idemitsu Kosan Company, Limited
    Inventors: Kazufumi Nakamura, Masashi Sakamoto, Ichiro Nasuno
  • Publication number: 20030236421
    Abstract: The present invention relates to pyrazole derivatives of the formula (I), 1
    Type: Application
    Filed: May 20, 2003
    Publication date: December 25, 2003
    Applicant: IDEMITSU KOSAN COMPANY, LIMITED
    Inventors: Kazufumi Nakamura, Masashi Sakamoto, Ichiro Nasuno
  • Publication number: 20030220199
    Abstract: Disclosed are novel pyrazole derivatives which are free of phytotoxicity to corn and can control a broad range of cropland weeds at a low dosage and herbicides containing them, and the present invention provides pyrazole derivatives of the general formula (I), or salts thereof, 1
    Type: Application
    Filed: February 4, 2003
    Publication date: November 27, 2003
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Kazufumi Nakamura, Kazuyoshi Koike, Masashi Sakamoto, Ichiro Nasuno
  • Publication number: 20020133024
    Abstract: The present invention relates to pyrazole derivatives of the formula (I), 1
    Type: Application
    Filed: January 14, 2002
    Publication date: September 19, 2002
    Applicant: IDEMITSU KOSAN COMPANY, LIMITED
    Inventors: Kazufumi Nakamura, Masashi Sakamoto, Ichiro Nasuno
  • Publication number: 20020115568
    Abstract: Disclosed are novel pyrazole derivatives which are free of phytotoxicity to corn and can control a broad range of cropland weeds at a low dosage and herbicides containing them, and the present invention provides pyrazole derivatives of the general formula (I), or salts thereof, 1
    Type: Application
    Filed: February 13, 2002
    Publication date: August 22, 2002
    Applicant: Idemitsu Kosan Co. Ltd.
    Inventors: Kazufumi Nakamura, Kazuyoshi Koike, Masashi Sakamoto, Ichiro Nasuno
  • Publication number: 20020016262
    Abstract: Disclosed are novel pyrazole derivatives which are free of phytotoxicity to corn and can control a broad range of cropland weeds at a low dosage and herbicides containing them, and the present invention provides pyrazole derivatives of the general formula (I), or salts thereof, 1
    Type: Application
    Filed: July 23, 2001
    Publication date: February 7, 2002
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Kazufumi Nakamura, Kazuyoshi Koike, Masashi Sakamoto, Ichiro Nasuno
  • Publication number: 20010051733
    Abstract: The present invention relates to pyrazole derivatives of the formula (I), 1
    Type: Application
    Filed: February 13, 2001
    Publication date: December 13, 2001
    Applicant: IDEMITSU KOSAN COMPANY, LIMITED
    Inventors: Kazufumi Nakamura, Masashi Sakamoto, Ichiro Nasuno
  • Patent number: 6316390
    Abstract: A triketone derivative represented by the following formula or a salt thereof: wherein, Y1, Y2, Y3, n, p, R1, R2, R3, R4 and X are as defined in claims, prevents growth of a wide variety of cropland weeds in small application rates without causing injury to crops.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: November 13, 2001
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Kazufumi Nakamura, Mitsuru Shibata, Kazuyoshi Koike
  • Patent number: 6136755
    Abstract: The present invention relates to pyrazole derivatives of the formula (I), wherein R.sup.1, R.sup.2, X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5, X.sup.6, X.sup.7, X.sup.8, p and n are as defined on claim 1, or a salt thereof, and herbicides containing them as active ingredients.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: October 24, 2000
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Kazufumi Nakamura, Kazuyuoshi Koike, Masashi Sakamoto, Ichiro Nasuno
  • Patent number: 6103668
    Abstract: The present invention relates to pyrazole derivatives of the formula (I), ##STR1## wherein R.sup.1, R.sup.2, X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5, X.sup.6, X.sup.7, X.sup.8, p and n are as defined on claim 1, or a salt thereof, and herbicides containing them as active ingredients.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: August 15, 2000
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Kazufumi Nakamura, Kazuyuoshi Koike, Masashi Sakamoto, Ichiro Nasuno
  • Patent number: 6063936
    Abstract: An aromatic carboxylic acid bicyclic sulfur compound of the following formula: ##STR1## wherein X.sup.1 is selected from the group consisting of C.sub.1 to C.sub.4 alkyl, halogen, C.sub.1 to C.sub.4 haloalkyl, C.sub.2 to C.sub.4 alkoxyalkyl, C.sub.1 to C.sub.4 alkoxy and C.sub.1 to C.sub.4 haloalkoxy; each of X.sup.2 and X.sup.3 is independently selected from the group consisting of hydrogen, C.sub.1 to C.sub.4 alkyl and C.sub.1 to C.sub.4 haloalkyl; X.sup.4 is selected from the group consisting of hydrogen, halogen, C.sub.1 to C.sub.4 alkyl, C.sub.1 to C.sub.4 haloalkyl and C.sub.1 to C.sub.4 alkoxy; each of X.sup.5, X.sup.6, X.sup.7 and X.sup.8 is independently hydrogen or C.sub.1 to C.sub.4 alkyl; the bond between X.sup.2 and X.sup.5 is saturated or unsaturated; the bond between X.sup.5 and X.sup.7 is saturated or unsaturated; p is an integer of 0 or 1; and n is an integer of 0, 1 or 2; or a salt thereof.
    Type: Grant
    Filed: December 15, 1997
    Date of Patent: May 16, 2000
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Kazufumi Nakamura, Masashi Sakamoto, Ichiro Nasuno
  • Patent number: 5990049
    Abstract: A triketone compound of the following formula: ##STR1## wherein Y.sup.1 is C.sub.1 to C.sub.4 alkyl, a halogen or a C.sub.1 to C.sub.4 haloalkyl; each of Y.sup.2 and Y.sup.3 is independently C.sub.1 to C.sub.4 alkyl; Y.sup.4 is hydrogen, C.sub.1 to C.sub.4 alkyl or a halogen; n is 0, 1 or 2; p is 0 or 1; each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 is independently hydrogen, C.sub.1 to C.sub.4 alkyl or phenyl; or when p is 1, either R.sup.1 or R.sup.2 and either R.sup.3 or R.sup.4 optionally bond to each other to form an intramolecular double bond; and X is a group of the formula ##STR2## in which each of R.sup.5 and R.sup.6 is independently a hydrogen atom, a C.sub.1 to C.sub.4 alkyl group or a phenyl group. The triketone compound is useful as a herbicide to control a broad range of upland weeks at a low dosage without causing phytotoxicity on corn.
    Type: Grant
    Filed: January 11, 1999
    Date of Patent: November 23, 1999
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Kazufumi Nakamura, Mitsuru Shibata, Kazuyoshi Koike
  • Patent number: 5965492
    Abstract: A triketone compound of the following formula: ##STR1## wherein Y.sup.1 is C.sub.1 to C.sub.4 alkyl, a halogen or a C.sub.1 to C.sub.4 haloalkyl; each of Y.sup.2 and Y.sup.3 is independently C.sub.1 to C.sub.4 alkyl; Y.sup.4 is hydrogen, C.sub.1 to C.sub.4 alkyl or a halogen; n is 0, 1 or 2; p is 0 or 1; each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 is independently hydrogen, C.sub.1 to C.sub.4 alkyl or phenyl; or when p is 1, either R.sup.1 or R.sup.2 and either R.sup.3 or R.sup.4 optionally bond to each other to form an intramolecular double bond; and X is oxygen or sulfur. The triketone compound is useful as a herbicide to control a broad range of upland weeds at a low dosage without causing phytotoxicity on corn.
    Type: Grant
    Filed: December 19, 1997
    Date of Patent: October 12, 1999
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Kazufumi Nakamura, Mitsuru Shibata, Kazuyoshi Koike
  • Patent number: 5767289
    Abstract: A bicyclic sulfur compound of the following formula: ##STR1## wherein X.sup.1 is selected from the group consisting of C.sub.1 -C.sub.4 alkyl, halogen, C.sub.1 -C.sub.4 haloalkyl, C.sub.2 -C.sub.4 alkoxyalkyl, C.sub.1 -C.sub.4 alkoxy and C.sub.1 -C.sub.4 haloalkoxy; each of X.sup.2 and X.sup.3 is independently selected from the group consisting of hydrogen, C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 haloalkyl; X.sup.4 is selected from the group consisting of hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl and C.sub.1 -C.sub.4 alkoxy; each of X.sup.5, X.sup.6, X.sup.7 and X.sup.8 is independently hydrogen or C.sub.1 -C.sub.4 alkyl; or X.sup.2 and X.sup.5 can combine to form an unsaturated double bond; or X.sup.5 and X.sup.7 can combine to form an unsaturated bond; p is an integer of 0 or 1; and n is an integer of 0, 1 or 2; or a salt thereof.
    Type: Grant
    Filed: October 9, 1996
    Date of Patent: June 16, 1998
    Assignee: Idemitsu Kosan Company, Limited
    Inventors: Kazufumi Nakamura, Masashi Sakamoto, Ichiro Nasuno
  • Patent number: 5724734
    Abstract: To manufacture a tappet in an internal combustion engine, a tappet rough body which comprises a cylindrical portion with an upper wall and an annular side wall is moulded by press processing of metal powder, such that the upper wall, the cylindrical portion and the annular side wall become larger than the tappet to be manufactured in the axial size. After sintering the tappet rough body, it is re-compressed to form the final tappet.
    Type: Grant
    Filed: November 22, 1995
    Date of Patent: March 10, 1998
    Assignee: Fuji Oozx Inc.
    Inventors: Masahito Hirose, Kazufumi Nakamura