Patents by Inventor Yutaka Kurihara

Yutaka Kurihara 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: 7422863
    Abstract: The present invention provides a completely novel molting hormone receptor, which is used for efficiently screening a substance that can be applied to a disinfestant or the like. An insect molting hormone receptor comprising the following polypeptide (a) and polypeptide (b) or (c): (a) a polypeptide having the amino acid sequence shown in SEQ ID NO: 1; (b) a polypeptide having the amino acid sequence shown in SEQ ID NO: 2; and (c) a polypeptide having the amino acid sequence shown in SEQ ID NO: 3.
    Type: Grant
    Filed: February 2, 2004
    Date of Patent: September 9, 2008
    Assignees: Kumiai Chemical Industry Co., Ltd., Hiromichi Nagasawa
    Inventors: Hiromichi Nagasawa, Norihiko Izawa, Yutaka Kurihara, Shinji Nagata, Takafumi Maruyama
  • Publication number: 20060211043
    Abstract: The present invention provides a completely novel molting hormone receptor, which is used for efficiently screening a substance that can be applied to a disinfestant or the like. An insect molting hormone receptor comprising the following polypeptide (a) and polypeptide (b) or (c): (a) a polypeptide having the amino acid sequence shown in SEQ ID NO: 1; (b) a polypeptide having the amino acid sequence shown in SEQ ID NO: 2; and (c) a polypeptide having the amino acid sequence shown in SEQ ID NO: 3.
    Type: Application
    Filed: February 2, 2004
    Publication date: September 21, 2006
    Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Hiromichi Nagasawa, Norihiko Izawa, Yutaka Kurihara, Shinji Nagata, Takafumi Maruyama
  • Patent number: 5763463
    Abstract: A pyridine derivative of the formula (I), or its oxide or salt: ##STR1## wherein R.sup.1 is a halogen atom, an alkyl group, etc., R.sup.2 is an alkenyl group, an alkynyl group, an alkoxycarbonyl group, an alkenyloxycarbonyl group, etc., R.sup.3 is a hydrogen atom, etc., R.sup.4 is a halogen atom, a cyano group, a haloalkyl group, etc., each of R.sup.5 and R.sup.6 is a hydrogen atom, etc., Q is a methine group or a nitrogen atom, m is 0 or 1, n is 1 or 2 and r is 1 or 2. Such a compound is useful as a pesticide. The compound of the present invention is a pyridine derivative which is capable of killing or controlling various pests without adversely affecting crop plants and which is readily decomposable and presents no substantial acute toxity to mammals.
    Type: Grant
    Filed: June 25, 1997
    Date of Patent: June 9, 1998
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Nobuo Takefuji, Masao Nakatani, Junko Suzuki, Masami Ozaki, Ryouhei Ueno, Hiroyuki Yano, Mieko Kawashima, Yutaka Kurihara, Tomonori Shimazu
  • Patent number: 5728699
    Abstract: The present invention presents a benzylsulfide derivative of the formula (I) or its salt: ##STR1## wherein R.sup.1 is a C.sub.1-6 alkyl group, a C.sub.1-6 haloalkyl group, a C.sub.2-4 alkenyl group, a cyano group, etc., and each of R.sup.2 and R.sup.3 is a hydrogen atom, a halogen atom, a cyano group, a C.sub.1-4 alkyl group, a C.sub.1-3 haloalkyl group, etc., R.sup.4 is a hydrogen atom, a halogen atom, a C.sub.1-4 alkyl group, etc., A is a hydrazinoaralkyl group or hydrazonoaralkyl group, and n is 0, 1 or 2; a process for its production; and a pesticide containing such a benzylsulfide derivative as an active ingredient. The benzylsulfide derivative of the present invention is capable of controlling various pests without adversely affecting crop plants.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: March 17, 1998
    Assignees: Kumiai Chemical Industry Co., Ltd., Ihara Chemical Industry Co., Ltd.
    Inventors: Keiji Toriyabe, Hideharu Sasaki, Naoshi Masuyama, Akihide Nagai, Hiroyuki Yano, Mieko Kawashima, Yutaka Kurihara, Tomonori Shimazu
  • Patent number: 5700824
    Abstract: The invention provides a triazole derivative represented by a general formula ##STR1## (wherein R.sup.1 is an alkyl group, X is a hydrogen atom, a halogen atom or an alkyl group, n is an integer of 1-5, Y is a halogen atom, a nitro group or an alkyl group, and m is an integer of 2-5) as well as insecticide and acaricide containing the same as an active ingredient.The triazole derivatives according to the invention exhibit an excellent effectiveness against harmful pests, particularly aphids and mites.
    Type: Grant
    Filed: November 6, 1996
    Date of Patent: December 23, 1997
    Assignees: Kumiai Chemical Industrial Co. Ltd., Ihara Chemical Industry Co. Ltd.
    Inventors: Atsuhiko Ikeda, Masami Ozaki, Reijiro Honami, Takashi Yumita, Hiroyuki Yano, Yuki Nakano, Yutaka Kurihara, Tadayoshi Hirano
  • Patent number: 5616594
    Abstract: The invention provides a triazole derivative represented by a general formula ##STR1## (wherein R.sup.1 is an alkyl group, X is a hydrogen atom, a halogen atom or an alkyl group, n is an integer of 1-5, Y is a halogen atom, a nitro group or an alkyl group, and m is an integer of 2-5) as well as insecticide and acaricide containing the same as an active ingredient.The triazole derivatives according to the invention exhibit an excellent effectiveness against harmful pests, particularly aphids and mites.
    Type: Grant
    Filed: January 18, 1994
    Date of Patent: April 1, 1997
    Assignees: Ihara Chemical Industry Co. Ltd., Kumiai Chemical Industrial Co., Ltd.
    Inventors: Atsuhiko Ikeda, Masami Ozaki, Reijiro Honami, Takashi Yumita, Hiroyuki Yano, Yuki Nakano, Yutaka Kurihara, Tadayoshi Hirano