Patents by Inventor Isami Hamamoto

Isami Hamamoto 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: 7999102
    Abstract: Cyclic amine compounds represented by formula (1) or salts thereof or N-oxides thereof, wherein Cy1 represents an unsubstituted or substituted aromatic ring; X represents oxygen, sulfur, unsubstituted or substituted nitrogen, sulfinyl, or sulfonyl; R1a and R2a, R1a and R4a, R2a and R3a, or R3a and R4a form saturated rings together; R1a, R1b, R2a, R2b, R3a, R3b, R4a, R4b, and R5 which do not form the saturated rings are each independently hydrogen, hydroxyl, halogen, unsubstituted or substituted amino, nitro, or an organic group; Cy2 represents an unsubstituted or substituted aromatic ring with a proviso that Cy2 is an unsubstituted or substituted heteroaromatic ring when R1a and R2a form a saturated ring together and Cy1 is an unsubstituted or substituted phenyl, and Cy2 is a substituted pyridin-2-yl having one or more cyano as a substituent when Cy1 is an unsubstituted or substituted phenyl and Cy2 is a pyridin-2-yl.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: August 16, 2011
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Isami Hamamoto, Jun Takahashi, Makio Yano, Masahiro Kawaguchi, Daisuke Hanai, Takao Iwasa
  • Patent number: 7868178
    Abstract: The present invention is directed to novel cyclic amine compounds represented by the formula [I]: wherein R1 represents, but is not limited to, a hydroxyl, a halogen atom, a cyano group, a nitro group, a formyl group, a C1-6 alkyl group, a C2-6 alkenyl group, a C2-6 alkynyl group, a C1-6 haloalkyl group, a C1-6 haloalkenyl group, a C1-6 alkylcarbonyl group, among other substituents; R2 represents a halogen atom, a nitro group, a C1-6 alkyl group, a C1-6 alkoxy group, a C1-6 haloalkyl group, a five or six membered heterocyclic group having at least one hetero atom selected from an oxygen atom, a nitrogen atom, and a sulfur atom, k represents 0 or an integer of 1 to 4; R3, R31, R4, R41, R5, R51, and R7 each independently represents a hydrogen atom, a C1-6 alkyl group, a C1-6 alkoxycarbonyl group, or a C1-6 alkoxy group, and, both R3 and R4, may be bound together to form a saturated ring, X represents an oxygen atom, a sulfur atom, a sulfinyl group, or a sulfonyl group, a salt or an N-oxide of the chemica
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: January 11, 2011
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Isami Hamamoto, Jun Takahashi, Makio Yano, Daisuke Hanai, Takao Iwasa
  • Publication number: 20090318694
    Abstract: Cyclic amine compounds represented by formula (1) or salts thereof or N-oxides thereof, wherein Cy1 represents an unsubstituted or substituted aromatic ring; X represents oxygen, sulfur, unsubstituted or substituted nitrogen, sulfinyl, or sulfonyl; R1a and R2a, R1a and R4a, R2a and R3a, or R3a and R4a form saturated rings together; R1a, R1b, R2a, R2b, R3a, R3b, R4a, R4b, and R5 which do not form the saturated rings are each independently hydrogen, hydroxyl, halogen, unsubstituted or substituted amino, nitro, or an organic group; Cy2 represents an unsubstituted or substituted aromatic ring with a proviso that Cy2 is an unsubstituted or substituted heteroaromatic ring when R1a and R2a form a saturated ring together and Cy1 is an unsubstituted or substituted phenyl, and Cy2 is a substituted pyridin-2-yl having one or more cyano as a substituent when Cy1 is an unsubstituted or substituted phenyl and Cy2 is a pyridin-2-yl.
    Type: Application
    Filed: October 6, 2006
    Publication date: December 24, 2009
    Inventors: Isami Hamamoto, Jun Takahashi, Makio Yano, Masahiro Kawaguchi, Daisuke Hanai, Takao Iwasa
  • Publication number: 20090259046
    Abstract: Agents for pest control comprising cyclic amine compounds represented by the formula (1) or salts thereof or N-oxides thereof as an active ingredient, wherein Cy1 represents an unsubstituted or substituted 5-membered heterocycle or unsubstituted or substituted group represented by the formula (a) below, wherein Y1 and Y2 each independently represents nitrogen or carbon and symbol * represents the bonding positions.
    Type: Application
    Filed: October 6, 2006
    Publication date: October 15, 2009
    Inventors: Isami Hamamoto, Jun Takahashi, Makio Yano, Masahiro Kawaguchi, Daisuke Hanai, Takao Iwasa
  • Publication number: 20090143443
    Abstract: The present invention is directed to novel cyclic amine compounds represented by the formula [I]: wherein R1 represents, but is not limited to, a hydroxyl, a halogen atom, a cyano group, a nitro group, a formyl group, a C1-6 alkyl group, a C2-6 alkenyl group, a C2-6 alkynyl group, a C1-6 haloalkyl group, a C1-6 haloalkenyl group, a C1-6 alkylcarbonyl group, among other substituents; R2 represents a halogen atom, a nitro group, a C1-6 alkyl group, a C1-6 alkoxy group, a C1-6 haloalkyl group, a five or six membered heterocyclic group having at least one hetero atom selected from an oxygen atom, a nitrogen atom, and a sulfur atom, k represents 0 or an integer of 1 to 4; R3, R31, R4, R41, R5, R51, and R7 each independently represents a hydrogen atom, a C1-6 alkyl group, a C1-6 alkoxycarbonyl group, or a C1-6 alkoxy group, and, both R3 and R4, may be bound together to form a saturated ring, X represents an oxygen atom, a sulfur atom, a sulfinyl group, or a sulfonyl group, a salt or an N-oxide of the chemica
    Type: Application
    Filed: December 11, 2008
    Publication date: June 4, 2009
    Applicant: NIPPON SODA CO., LTD.
    Inventors: Isami Hamamoto, Jun Takahashi, Makio Yano, Daisuke Hanai, Takao Iwasa
  • Patent number: 7485727
    Abstract: A chemical compound represented by the formula [I]: (wherein R1 represents a hydroxyl group or the like, m represents 0 or an integer of 1 to 5, R2 represents a halogen atom or the like, k represents 0 or an integer of 1 to 4, R3, R31, R4, R41, R5, R51, R6, R61, and R7 each independently represents a hydrogen atom or the like, but both R3 and R4, or both R5 and R6, are bound together to form an azabicyclooctane core or an azabicyclononane core, X represents an oxygen atom or the like, and n represents 1), a salt, an N-oxide of the chemical compound represented by formula [I], and a pest control agent containing the formula [I] as its active constituent.
    Type: Grant
    Filed: March 30, 2005
    Date of Patent: February 3, 2009
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Isami Hamamoto, Jun Takahashi, Makio Yano, Daisuke Hanai, Takao Iwasa
  • Publication number: 20080319003
    Abstract: A chemical compound represented by the formula [I]: (wherein R1 represents a hydroxyl group or the like, m represents 0 or an integer of 1 to 5, R2 represents a halogen atom or the like, k represents 0 or an integer of 1 to 4, R3, R31, R4, R41, R5, R51, R6, R61, and R7 each independently represents a hydrogen atom or the like, X represents an oxygen atom or the like, and n represents 1), a salt, an N-oxide of the chemical compound represented by formula [I], and a pest control agent containing the formula [I] as its active constituent.
    Type: Application
    Filed: June 19, 2008
    Publication date: December 25, 2008
    Applicant: NIPPON SODA CO., LTD.
    Inventors: Isami Hamamoto, Jun Takahashi, Makio Yano, Daisuke Hanai, Takao Iwasa
  • Publication number: 20080045569
    Abstract: A chemical compound represented by the formula [I]: (wherein R1 represents a hydroxyl group or the like, m represents 0 or an integer of 1 to 5, R2 represents a halogen atom or the like, k represents 0 or an integer of 1 to 4, R3, R31, R4, R41, R5, R51, R6, R61, and R7 each independently represents a hydrogen atom or the like, X represents an oxygen atom or the like, and n represents 0 or 1), a salt, an N-oxide of the chemical compound represented by formula [I], and a pest control agent containing the formula [I] as its active constituent.
    Type: Application
    Filed: March 30, 2005
    Publication date: February 21, 2008
    Applicant: Nippon Soda Co., Ltd.
    Inventors: Isami Hamamoto, Jun Takahashi, Makio Yano, Daisuke Hanai, Takao Iwasa
  • Patent number: 5278295
    Abstract: A pyrrole polymer membrane having electrical conductivity and liquid crystal properties in the same matrix. The starting pyrrole monomer derivative is illustrated by the formula ##STR1## where R.sub.1 and R.sub.2 are selected so that at least either of them is an electron attractive group. Methods of producing such membranes by a electropolymerization process and by a chemical oxidation process are described.
    Type: Grant
    Filed: May 7, 1992
    Date of Patent: January 11, 1994
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Hirofumi Suzuki, Takehira Kaneko, Nobuo Matsui, Isami Hamamoto, Tetsuya Katoh, Toshiaki Satoh, Fuminiko Nagasaki
  • Patent number: 4990630
    Abstract: The present invention relates to a 2,3-diaminoacrylonitrile derivative or salts thereof, having the formula ##STR1## wherein R represents an alkyl group (which may be substituted by unsubstituted or substituted phenyl groups, halogen atoms, C.sub.1-6 alkoxycarbonyl groups, carboxy groups, C.sub.1-6 alkoxycarbonyl C.sub.1-6 alkylthio groups, hydroxy groups, mercapto groups, cycloalkyl groups or heterocyclic groups containing oxygen atoms); an alkenyl group; a cycloalkyl group; an aryl group (which may be substituted by halogen atoms, C.sub.1-6 alkyl groups, nitro-groups, unsubstituted or substituted phenyl or phenoxy groups or heterocyclic groups containing oxygen atoms or sulfur atoms).The 2,3-diaminoacrylonitrile derivative can be used as starting materials for the production of pharmaceutical and/or agricultural intermediates such as cyanoimidazoles, cyanopyrazines or other cyano-substituted heterocycles.
    Type: Grant
    Filed: August 28, 1989
    Date of Patent: February 5, 1991
    Assignee: Nippon Soda Co., Ltd.
    Inventors: Katsunori Mikuma, Nobuhiro Umeda, Tomio Yagihara, Isami Hamamoto