Patents by Inventor Nobuo Aoki

Nobuo Aoki 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: 4696859
    Abstract: A magnetic recording medium comprising a non-magnetic support having coated thereon a magnetic layer, the magnetic layer containing (i) ferromagnetic alloy particles having an average length in the long axis of 0.25 .mu.m or less and (ii) fatty acid components comprising behenic acid in an amount of 20 to 75 wt%, stearic acid in an amount of 10 to 45 wt% and oleic acid in an amount of 10 to 45 wt% based on the total weight of the three fatty acids.
    Type: Grant
    Filed: February 28, 1986
    Date of Patent: September 29, 1987
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takahito Miyoshi, Nobuo Aoki, Takashi Yoneyama, Akira Kasuga, Toshimitu Okutu, Masaaki Fujiyama, Yasutoshi Okuzawa
  • Patent number: 4670333
    Abstract: A magnetic recording medium including a nonmagnetic support having a magnetic layer on one side thereof and a backing layer on the opposite side thereof, said backing layer comprising a fatty acid having 12 or more carbon atoms and copper or copper ions. Fatty acid is saturated or unsaturated, and copper is 0.2 micron or less in size.
    Type: Grant
    Filed: April 25, 1985
    Date of Patent: June 2, 1987
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takahito Miyoshi, Toshimitu Okutu, Masahiro Utumi, Masaaki Fujiyama, Nobuo Aoki
  • Patent number: 4638050
    Abstract: A thrombin-binding substance derived from human tissue and having the characteristics of (a) molecular weight: 88,000.+-.20,000 in reduced condition and 71,000.+-.20,000 in unreduced condition; (b) isoelectric point: .sub.p H 4.2.+-.0.5; (c) affinity: strong for thrombin; (d) activities: capable of promoting the thrombin-catalyzed activation of protein C and prolonging clotting time; and (e) stability: stable over a .sub.p H range of 2 to 10 and stable to denaturing agents (sodium dodecylsulfate and urea) and to a pepsin treatment, is effectively useful for thrombolysis and anticoagulation.
    Type: Grant
    Filed: March 20, 1985
    Date of Patent: January 20, 1987
    Assignee: Kowa Co., Ltd.
    Inventors: Nobuo Aoki, Shinichiro Kurosawa
  • Patent number: 4629653
    Abstract: A magnetic recording medium is described, comprising a non-magnetic support having provided thereon a magnetic layer containing ferromagnetic particles and a binder, wherein said ferromagnetic particles have a tabular ratio (table diameter/table thickness) of 2 or more, a table diameter of from 0.01 to 10 .mu.m, and a lamination degree of the magnetic particles in the magnetic layer in a cross-section thereof of 2 or more.
    Type: Grant
    Filed: December 3, 1984
    Date of Patent: December 16, 1986
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takamitsu Asai, Masaaki Fujiyama, Minoru Kanazawa, Nobuo Aoki
  • Patent number: 4569856
    Abstract: A method for preparing a magnetic recording medium is described, comprising (1) pre-dispersing ferromagnetic particles having an S.sub.BET specific surface area of 35 m.sup.2 /g or more and having an adjusted water content of 0.8 wt % or more with a binder, (2) adding an additional binder and a lubricating agent thereinto, mixing and dispersing them to prepare a diserpsion of a magnetic coating composition, and (3) coating the resulting dispersion of a magnetic coating composition on a non-magnetic support.
    Type: Grant
    Filed: March 8, 1985
    Date of Patent: February 11, 1986
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Takahito Miyoshi, Kenichi Masuyama, Shin-ichiro Dezawa, Toshimitu Okutu, Norio Nasu, Nobuo Aoki, Masaaki Fujiyama
  • Patent number: 4487718
    Abstract: A peptide of the formula: ##STR1## wherein G-COOH is Glu, and R is an amino or chromophore group is effective as a therapeutic drug for hemostatic disorders and thrombosis.
    Type: Grant
    Filed: February 16, 1984
    Date of Patent: December 11, 1984
    Assignee: Kowa Company, Ltd.
    Inventors: Nobuo Aoki, Taro Tamaki
  • Patent number: 4465509
    Abstract: Compound of the formula, ##STR1## wherein X is a hydrogen atom, a halogen atom, a lower alkyl group or a lower alkoxyl group, R.sup.1 is a methyl group or an ethyl group, R.sup.2 is a hydrogen atom, a lower alkyl group or an allyl group, and each of R.sup.3 and R.sup.4, independently, is a hydrogen atom, a methyl group or an ethyl group; provided that R.sup.1, R.sup.3 and R.sup.4 are not methyl groups simultaneously when both X and R.sup.2 are hydrogen atoms, and compositions containing these compounds exhibit herbicidal activity.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: August 14, 1984
    Assignee: The Japan Carlit Co., Ltd.
    Inventors: Tetsuo Takematsu, Yasutomo Takeuchi, Michiyuki Kohno, Akihiko Aoki, Nobuo Aoki, Toshiro Watanuki, Koichi Moriya
  • Patent number: 4125730
    Abstract: .omega.-Aminoalkanoic acid arylamides having the formula:R'(CH.sub.2).sub.n CONHRwherein R represents phenyl or naphthyl which can be substituted by halogen, nitro, alkyl, alkoxy, hydroxyl, acetoamino or alkoxycarbonyl; R' represents amino or acylated amino; and n is an integer of 4-8, exhibit blood platelet aggregation inhibiting effects.
    Type: Grant
    Filed: October 10, 1975
    Date of Patent: November 14, 1978
    Assignees: Banyu Pharmaceutical Co., Ltd., Hiroyoshi Hidaka, Nobuo Aoki
    Inventors: Hiroyoshi Hidaka, Ikuo Matsumoto, Yoshiaki Ito, Nobuo Aoki
  • Patent number: 4069254
    Abstract: .omega.-(Arylsulfonamido)-alkylamines having the formulaR'-SO.sub.2 NH(CH.sub.2).sub.n R Iwherein R represents an amino group which can be acylated; R' represents phenyl or naphthyl which can be substituted by halogen or lower alkyl; and n represents an integer from 5 - 8 are effective in inhibiting blood platelet aggregation.
    Type: Grant
    Filed: October 7, 1975
    Date of Patent: January 17, 1978
    Assignees: Banyu Pharmaceutical Co., Ltd., Hiroyoshi Hidaka, Nobuo Aoki
    Inventors: Hiroyoshi Hidaka, Ikuo Matsumoto, Masaaki Hosoi, Nobuo Aoki