Patents by Inventor Mitsuyasu Makita

Mitsuyasu Makita 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).

  • Pest repellent composition
    Patent number: 6528078
    Abstract: Pest repellents are provide that contain a pest repellent composition comprising carane-3,4-diol as an active ingredient, a non-porous round polyethylene powder, and a solvent. Preferably, the provided pest repellent compositions comprise (i) about 3-50% by weight of carane-3,4-diol, (ii) about 3-30% by weight of a paraffin, (iii) about 20-90% by weight of an alcohol and (iv) a non-porous round polyethylene powder, wherein the amount of the non-porous round polyethylene powder present in the pest repellent composition is about 0.05 to 1.0 times the weight of carane-3,4-diol present in the composition. Aerosol pest repellents are also provided.
    Type: Grant
    Filed: March 5, 1999
    Date of Patent: March 4, 2003
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Mitsuyasu Makita, Tadahiro Matsunaga
  • Ectoparasite controlling agent for animals
    Patent number: 6201017
    Abstract: An ectoparasite-controlling agent for animals comprising 0.1 to 20% by weight of the neonocotinoid compounds defined in the specification and 10 to 95% by weight of a glycol or glycol monoalkyl ether has an excellent effectiveness by the application methods such as spot-on and pour-on application.
    Type: Grant
    Filed: September 21, 1999
    Date of Patent: March 13, 2001
    Assignee: Sumitomo Chemical Co., Ltd.
    Inventors: Satoshi Sembo, Mitsuyasu Makita
  • Insecticidal and acaricidal smoke fumigant compositions
    Patent number: 5807539
    Abstract: An insecticidal and acaricidal smoke fumigant formulation obtained by mixing granules A having a bulk specific gravity of 0.3 to 0.9 and containing a pyrethroid compound as an active ingredient, an inflammable substance and an organic blowing agent, with granules B having a bulk specific gravity of 0.5 to 1.1 and containing potassium perchlorate, potassium nitrate and/or potassium chlorate, burning agent, heat generation-regulating agent, perchlorate-decomposing aid and inorganic filler, the mixing ratio (weight ratio) of the granules A and the granules B being 1 to 0.5-4.
    Type: Grant
    Filed: August 19, 1994
    Date of Patent: September 15, 1998
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takeo Tsukii, Hiromu Akizuki, Mitsuyasu Makita
  • Insecticidal compositions
    Patent number: 5190745
    Abstract: The insecticidal composition of the present invention contains (a) 2,4-dioxo-1-(2-propynyl)-imidazolidin-3-ylmethyl chrysanthemate and (b) at least one carboxylic acid ester selected from the group consisting of monocarboxylic acid ester having 16 to 19 carbon atoms and dicarboxylic acid ester having 16 to 19 carbon atoms, the weight ratio of (a) to (b) being from 3:1 to 1:100.
    Type: Grant
    Filed: March 24, 1992
    Date of Patent: March 2, 1993
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kazunobu Dohara, Mitsuyasu Makita, Yasuo Abe
  • Insecticidal composition comprising synergistic combinations of 3-(2-methoxyphenyl)-5-methoxy-1,3,4-oxadiazol-2(3H)-one and pyrethroid type compounds
    Patent number: 4562062
    Abstract: An insecticidal composition characterized in that said composition contains 3-(2-methoxyphenyl)-5-methoxy-1,3,4-oxadiazol-2(3H)-one and at least one of the pyrethroid type compounds represented by the formula, ##STR1## which has a remarkable synergistic action in both the rapid knock-down effect and high lethal effect.
    Type: Grant
    Filed: June 4, 1984
    Date of Patent: December 31, 1985
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Goro Shinjo, Mitsuyasu Makita, Shigenori Tsuda