Patents by Inventor Takao Iida

Takao Iida 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: 20210062879
    Abstract: A pad support spring includes a U-shaped portion comprising an outer peripheral surface portion, an inner peripheral surface portion and a linking surface portion. The U-shaped portion is configured to include: a pad holding portion; a cutout portion provided by cutting out a part from the linking surface portion toward the inner peripheral surface portion; a tongue piece portion which in an unassembled state has a base end formed by the cutout portion on the outer peripheral surface portion side of the pad holding portion and a distal end which projects out from an opposing surface of the inner peripheral surface portion, and which in an assembled state deforms elastically to press a brake pad in conjunction with the U-shaped portion; and a first slit portion provided by cutting out part of a first linking part.
    Type: Application
    Filed: September 21, 2018
    Publication date: March 4, 2021
    Applicant: ADVICS CO., LTD.
    Inventors: Naoki OKADA, Yohei KOMIZO, Takao IIDA
  • Patent number: 8839917
    Abstract: An object is to stably exhibit a two-stage spring characteristic of a plate spring for restraining the generation of a clonk noise in a disc brake apparatus for use in a vehicle. A plate spring 90 for restraining the generation of a clonk noise has a fixture portion 91 having a shape resembling the squarish letter U and elastically fixed to a back plate 61, and an extension portion 92 extending continuously from the fixture portion 91. The extension portion 92 includes an engagement subportion 92a engaged with a support member at all times; a curved subportion 92b located between the engagement subportion 92a and the fixture portion 91; and a contact-engagement subportion 92c located between the curved subportion 92b and the fixture portion 91.
    Type: Grant
    Filed: November 16, 2010
    Date of Patent: September 23, 2014
    Assignee: Advics Co., Ltd.
    Inventors: Takahiro Ito, Takao Iida
  • Publication number: 20120024641
    Abstract: An object is to stably exhibit a two-stage spring characteristic of a plate spring for restraining the generation of a clonk noise in a disc brake apparatus for use in a vehicle. A plate spring 90 for restraining the generation of a clonk noise has a fixture portion 91 having a shape resembling the squarish letter U and elastically fixed to a back plate 61, and an extension portion 92 extending continuously from the fixture portion 91. The extension portion 92 includes an engagement subportion 92a engaged with a support member at all times; a curved subportion 92b located between the engagement subportion 92a and the fixture portion 91; and a contact-engagement subportion 92c located between the curved subportion 92b and the fixture portion 91.
    Type: Application
    Filed: November 16, 2010
    Publication date: February 2, 2012
    Applicant: Advics Co. Ltd
    Inventors: Takahiro Ito, Takao Iida
  • Patent number: 6204002
    Abstract: The invention provides a compound represented by the following formula (I) wherein m is an integer of 2-15; n is an integer of 0-12; R represents a sugar chain or a derivative thereof; R′ represents a general formula (II) (wherein p is an integer of 0-4, q is an integer of 0-5; r is an integer of 2-5; R12 and R13 are the same or different and each represents a hydrogen atom, a lower alkyl group, an aliphatic acyl group, a nitro group or a nitrile group), R1 represents a hydrogen atom or a protective group of carboxylic acid, R2, R4 and R5 are the same or different and each represents a hydrogen atom, an aliphatic or aromatic acyl group; R3 represents an acetyl group, a glycolyl group or a trifluoroacetyl group; useful as reagent for detecting influenza virus A.
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: March 20, 2001
    Assignee: Daikin Industries, Ltd.
    Inventors: Takao Iida, Yutaka Ohira
  • Patent number: 6143724
    Abstract: 2-Fluorofucosyl-N-aroylglucosamine derivatives which are obtained by substitution of a hydroxyl group at the 3- or 4-position of N-aroylglucosamine with 2-fluorofucose, their intermediates and preparation methods thereof. The 2-fluorofucosyl-N-aroylglucosamine derivatives which are useful medicinal components for the treatment, improvement and prevention of inflammation and diseases accompanying inflammation, their intermediates and preparation methods thereof can be provided.
    Type: Grant
    Filed: January 18, 2000
    Date of Patent: November 7, 2000
    Assignee: Daikin Industries, Ltd.
    Inventors: Yutaka Ohira, Takao Iida
  • Patent number: 6084081
    Abstract: A novel fluorine-containing Lewis X derivative represented by the following formula (I): ##STR1## wherein R represents hydrogen, a hydroxyl-protective group, --PO(OH).sub.2, --SO.sub.3 H or sialylate;R.sup.1 represents hydrogen, hydroxyl, aliphatic acyloxy, aromatic acyloxy, lower alkylthio, optionally substituted phenylthio, lower alkoxy, branched long chain alkoxy, optionally substituted phenylmethoxy or sphingosinyl, R.sup.10 represents hydrogen or --O--C--(.dbd.NH)CCl.sub.3 ; provided that when R.sup.10 is --O--C--(.dbd.NH)CCl.sub.3, R.sup.9 is hydrogen;R.sup.2 and R.sup.3 are the same or different and independently represent hydrogen, aliphatic acyl, aromatic acyl or optionally substituted phenylmethyl; andR.sup.4 represents hydroxyl, aliphatic acyloxy, aromatic acyloxy, aliphatic acylamino or aromatic acylamino.
    Type: Grant
    Filed: May 6, 1999
    Date of Patent: July 4, 2000
    Assignee: Daikin Industries, Ltd.
    Inventors: Yutaka Ohira, Takao Iida
  • Patent number: 5808018
    Abstract: A sialyl Lewis X derivative represented by the general formula: ##STR1## in which a hydroxyl group at the 2 position of fucose is replaced with a fluorine atom, and a synthetic intermediate therefor are provided.
    Type: Grant
    Filed: April 3, 1997
    Date of Patent: September 15, 1998
    Assignee: Daikin Industries, Ltd.
    Inventors: Takao Iida, Yutaka Ohira
  • Patent number: 5792842
    Abstract: A ganglioside GM3 derivative having a fluorine atom at the 9-position of sialic acid represented by the formula: ##STR1## wherein R is an aliphatic lower acyl group, R.sup.1 is a hydrogen atom or a lower alkyl group, R.sup.2 to R.sup.5 represent independently of one another a hydrogen atom, an aliphatic lower acyl group or an aromatic acyl group, R.sup.11 is an straight or branched, saturated or unsaturated aliphatic hydrocarbon group having 1 to 30 carbon atoms, and n is an integer of 0 to 20, provided that when R.sup.1 is a hydrogen atom, R.sup.2 to R.sup.5 are hydrogen atoms, or when R.sup.1 is a lower alkyl group, R.sup.2 to R.sup.5 are each an aliphatic lower acyl group or an aromatic acyl group, and intermediates therefor. This compound is useful as an agent for preventing infection of the influenza virus, an agent for preventing proliferation and metastasis of the cancer cells, etc.
    Type: Grant
    Filed: April 16, 1996
    Date of Patent: August 11, 1998
    Assignee: Daikin Industries Ltd.
    Inventors: Takao Iida, Yutaka Ohira
  • Patent number: 5789561
    Abstract: A novel fluorine-substituted ganglioside GM3 derivative represented by the formula (I): ##STR1## wherein R is an aliphatic acyl group, R.sup.1 is a hydrogen atom or a lower alkyl group, R.sup.2, R.sup.3, R.sup.4 and R.sup.6 represent independently of one another a hydrogen atom, an aliphatic lower acyl group or an aromatic acyl group, R.sup.5 is an straight or branched, saturated or unsaturated aliphatic hydrocarbon group having 1 to 30 carbon atoms, and n is an integer of 0 to 20, provided that when R.sup.1 is a hydrogen atom, R.sup.2, R.sup.3, R.sup.4 and R.sup.6 are hydrogen atoms, or when R.sup.1 is a lower alkyl group, R.sup.2, R.sup.3, R.sup.4 and R.sup.6 are each an aliphatic lower acyl group or an aromatic acyl group.
    Type: Grant
    Filed: August 13, 1997
    Date of Patent: August 4, 1998
    Assignee: Daikin Industries Ltd.
    Inventors: Noriyuki Shinoki, Takao Iida
  • Patent number: 5773596
    Abstract: A ganglioside derivative in which a ceramide moiety is labeled with a fluorescent dye represented by the formula (I): ##STR1## wherein --O--R--O-- is a saccharide chain constituting the ganglioside, R' is an ether, sulfide, amide, urethane, thiourea or amino group having a fluorescent dye, one of R.sup.5 or R.sup.6 is a single bond and the other is a hydrogen atom, I is an integer of 1 to 8, m is an integer of at least 2, and n is an integer of 0 to 12. This ganglioside derivative has recognition characteristics of the saccharide chain portion and the labeling property of the fluorescent dye introduced in the ceramide moiety, and is useful as an agent for monitoring the dynamic behavior of the receptor for glycolipids, a diagnostic agent for bacteria or viruses, and the like.
    Type: Grant
    Filed: November 20, 1996
    Date of Patent: June 30, 1998
    Assignee: Daikin Industries, Ltd.
    Inventors: Takao Iida, Yutaka Ohira
  • Patent number: 5627290
    Abstract: The invention pertains to 2,7-Deoxy-7-fluoro-2,3-didehydrosialic acid and an intermediate thereof which are useful for developing practical drugs, such as an antiviral agent, a preventing agent for viral diseases, etc. and for a clinical application. In addition, they are also useful as a carcinostatic agent and an immunomodulation agent.
    Type: Grant
    Filed: January 26, 1996
    Date of Patent: May 6, 1997
    Assignee: Daikin Industries, Ltd.
    Inventors: Takao Iida, Yutaka Ohira
  • Patent number: 5583208
    Abstract: A ganglioside GM3 derivative containing fluorine atoms in a ceramide portion thereof, represented by the formula: ##STR1## in which m is an integer of at least 2, n is an integer of 0 to 7 provided that m is larger than n, and R represents an alkyl group or a fluoroalkyl group is disclosed.
    Type: Grant
    Filed: May 8, 1995
    Date of Patent: December 10, 1996
    Assignee: Daikin Industries, Ltd.
    Inventors: Takao Iida, Yutaka Ohira
  • Patent number: 5468474
    Abstract: The present invention relates to N-acylglutamine derivatives of formula (I): ##STR1## The N-acylglutamine derivatives are well compatible with oily bases and have good skin-moisturizing activity and hair growth-stimulative effect. These are useful as cosmetics and hair growth stimulants.
    Type: Grant
    Filed: July 27, 1994
    Date of Patent: November 21, 1995
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Shinkichi Honda, Kenji Torii, Yoichiro Arai, Masaji Kasai, Hiromasa Kato, Takao Iida, Tomoya Takahashi, Yoshiharu Yokoo, Toshikazu Kamiya, Tatsuya Tamaoki
  • Patent number: 5011854
    Abstract: A hydroxamic acid compound represented by the general formula (I) or a salt thereof; ##STR1## wherein R.sup.1 represents a hydrogen atom, or a substituted or unsubstituted alkanoyl group, R.sup.2 represents an unsubstituted alkanoyl, substituted lower alkanoyl or substituted lower alkyl group, and m represents an integer of 3 to 7, which are useful for the prevention and/or treatment of diseases caused by lipoxygenase-mediated metablites.
    Type: Grant
    Filed: December 7, 1989
    Date of Patent: April 30, 1991
    Assignee: Kyowa Hakko Kogyo Co. Ltd.
    Inventors: Mitsuru Takahashi, Shigeto Kitamura, Hiroshi Kase, Masaji Kasai, Isao Kawamoto, Takao Iida, Hiroshi Sano, Hiromitsu Saito, Koji Yamada, Chikara Murakata
  • Patent number: 4999196
    Abstract: A novel compound, DC-107, is produced by culturing a microorganism belonging to the genus Streptomyces. It is useful as a medicine because of its antibacterial and anti-tumor activity.
    Type: Grant
    Filed: March 29, 1989
    Date of Patent: March 12, 1991
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Hirofumi Nakano, Mitsunobu Hara, Isami Takahashi, Kozo Asano, Takao Iida, Makoto Morimoto
  • Patent number: 4992570
    Abstract: UCN-1028A and UCN-1028C having an anti-tumor activity and a protein kinase C inhibitory activity are produced by culturing a microorganism belonging to the genus Cladosporium.
    Type: Grant
    Filed: March 24, 1988
    Date of Patent: February 12, 1991
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Hirofumi Nakano, Eiji Kobayashi, Isami Takahashi, Katsuhiko Ando, Mayumi Yoshida, Shiro Akinaga, Takao Iida
  • Patent number: 4734169
    Abstract: Hexafluoroacetone hydrate is obtained with a high current efficiency by electrolytically oxidizing dimer or monomer of hexafluoro-.alpha.-hydroxyisobutanoic acid in an electrolytic solution composed of an aqueous solution of (1) a nickel salt and (2) HCl, HBr or an alkali metal or alkaline earth metal thereof.
    Type: Grant
    Filed: July 28, 1987
    Date of Patent: March 29, 1988
    Assignee: Nippon Mektron, Limited
    Inventors: Kazuma Yokoi, Takao Iida, Toshimasa Sagawa
  • Patent number: 4618613
    Abstract: A preventive and healing composition for diseases due to lipoxygenase metabolic products, which comprises an effective amount of a compound represented by the formula: ##STR1## wherein R is an alkyl group having 1 to 15 carbon atoms and at least one pharmaceutically acceptable carrier.
    Type: Grant
    Filed: June 28, 1985
    Date of Patent: October 21, 1986
    Assignee: Kyowa Hakko Kogyo Company, Ltd.
    Inventors: Kazuko Hashizume, Hiroshi Kase, Shigeto Kitamura, Takao Iida, Kunikatsu Shirahata, Kenji Omori, Katsuichi Shuto
  • Patent number: 4555402
    Abstract: A novel physiologically active substance K-252 having an antiallergic action is produced by culturing a microorganism of the genus Nocardiopsis.
    Type: Grant
    Filed: August 10, 1984
    Date of Patent: November 26, 1985
    Assignee: Kyowa Hakko Kogyo Co. Ltd.
    Inventors: Yuzuru Matsuda, Kazuyuki Iwahashi, Takao Iida, Noriaki Hirayama, Kozo Asano, Katsuichi Shuto, Koji Yamada, Kunikatsu Shirahata, Hiroshi Kase
  • Patent number: 4511560
    Abstract: New substances designated as DC-45-A, DC-45-B.sub.1 and DC-45-B.sub.2 and represented by the following general formula: ##STR1## wherein (i) R.sub.1 and R.sub.2 together with the carbon atom therebetween represent the group ##STR2## and R.sub.3 represents ##STR3## (designated DC-45-A); (ii) R.sub.1 represents --OH, R.sub.2 represents --CH.sub.2 OH and R.sub.3 represents ##STR4## (designated DC-45-B.sub.1); or (iii) R.sub.1 and R.sub.2 together with the carbon atom therebetween represent the group ##STR5## and R.sub.3 represents ##STR6## (designated DC-45-B.sub.2). DC-45-A, DC-45-B.sub.1 and DC-45-B.sub.2 possess antibiotic and anti-tumor activity and may be obtained by culturing a microorganism of the genus Streptomyces. Preferred strain is Streptomyces bottropensis (FERM-P No. 5219; NRRL 12051).
    Type: Grant
    Filed: August 30, 1982
    Date of Patent: April 16, 1985
    Assignee: Kyowa Hakko Kogyo Kabushiki Kaisha
    Inventors: Fusao Tomita, Tatsuya Tamaoki, Kunikatsu Shirahata, Takao Iida, Makoto Morimoto, Kazuhisa Fujimoto