Patents by Inventor Tsutomu Nawamaki
Tsutomu Nawamaki 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).
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Patent number: 6562756Abstract: There are provided a novel herbicidal composition and method for controlling weeds, the composition comprising the uracil herbicide of Compound A wherein: R1 represents hydrogen or halogen; R2 represents halogen or cyano; R3 represents C1-4 alkyl; R4 represents hydrogen, C1-5 acyl, or benzoyl which may be substituted with R5 which represents one to five substituents selected from the group consisting of halogen, C1-4 alkyl, and C1-4 alkoxy, and at least one compound selected from the group consisting of flurilazole (Compound B), diclonon (Compound C), MON 4660 (Compound D), and benoxacor (Compound E):Type: GrantFiled: March 13, 2002Date of Patent: May 13, 2003Assignee: Nissan Chemical Industries, Ltd.Inventors: Tsutomu Nawamaki, Shigeomi Watanabe, Kunimitsu Nakahira
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Patent number: 6165942Abstract: A compound represented by the general formula (I) and a salt thereof: ##STR1## wherein: Rf represents a (C.sub.1 -C.sub.4)haloalkyl group; X.about.Y represents N.dbd.N or CH.dbd.N or the like; A represents a nitrogen atom or CH; Z represents an oxygen or sulfur atom; Rg represents a hydrogen or halogen atom and the like; R1, R2, R3, R4 and R5 are each independently represent a hydrogen or halogen atom or a nitro or cyano group or the like.Type: GrantFiled: April 1, 1999Date of Patent: December 26, 2000Assignee: Nissan Chemical Industries, Ltd.Inventors: Jun Satow, Yoshihiro Kudo, Eitatsu Ikeda, Tsutomu Nawamaki, Chiaki Kawaguchi
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Patent number: 6030925Abstract: A herbicidal composition comprising metsulfuron methyl and at least one compound selected from the group consisting of pyrazosulfuron ethyl and halosulfuron methyl as active ingredients, and a method for controlling weeds comprising using the composition.Type: GrantFiled: September 14, 1998Date of Patent: February 29, 2000Assignee: Nissan Chemical Industries, Ltd.Inventors: Tsutomu Nawamaki, Kimihiro Ishikawa
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Patent number: 6030926Abstract: A pyrazole derivative represented by the general formula (1a) or (1b): ##STR1## wherein R.sup.1 represents a hydrogen atom or a pesticidally acceptable protecting group; R.sup.2 and R.sup.3 represent a phenyl, 1-naphthyl or 2-naphthyl group, or a 5-6 membered heterocyclic ring and the like; R.sup.4 represents a hydrogen or halogen atom, or a alkyl, alkoxy or alkylthio group; and a herbicidal composition containing the pyrazole derivative.Type: GrantFiled: December 16, 1998Date of Patent: February 29, 2000Assignee: Nissan Chemical Industries, Ltd.Inventors: Katsushi Morimoto, Tomoyuki Ogura, Takeshi Nagaoka, Hiroyuki Furusawa, Koichi Nishio, Shigeru Ishii, Tsutomu Nawamaki, Kunimitsu Nakahira, Kimihiro Ishikawa
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Patent number: 5977027Abstract: The present invention provides a nitrogen-containing cyclic compound represented by the formula (1): ##STR1## wherein R.sup.1 represents an alkyl group; R represents a hydrogen atom or an alkyl group; X represents an oxygen or sulfur atom or NR.sup.3 ; Q.sup.1 represents a hydrogen atom, or an alkyl, cycloalkyl, alkenyl or alkynyl group or a phenyl, naphthyl or heterocyclic group etc.; Q.sup.2 represents an alkyl, cycloalkyl or alkenyl group, or a phenyl or thienyl group etc.; A.sup.1 represents a carbon or nitrogen atom; A.sup.2 represents CR.sup.2 or NR.sup.2, or an oxygen or sulfur atom, or SO or SO.sub.2 ; A.sup.3 represents a single bond, or an oxygen or sulfur atom, or CR.sup.5 or NR.sup.5) and a herbicide comprising the same, which herbicide exhibits very high herbicidal activity at very low application rate and has selectivity against crops.Type: GrantFiled: September 4, 1998Date of Patent: November 2, 1999Assignee: Nissan Chemical Industries, Ltd.Inventors: Yasuo Kawamura, Eiichi Oya, Kaoru Itoh, deceased, Hiroshi Kita, Hisashi Nakata, Kanji Sawada, Yoshitake Tamada, Tsutomu Nawamaki, Kimihiro Ishikawa, Kenichi Shiojima, Chiaki Kawaguchi, Kunimitsu Nakahira
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Patent number: 5939559Abstract: A pyrazole derivative represented by the general formula (1a) or (1b): whereinR.sup.1 represents a hydrogen atom or a pesticidally acceptable protecting group; R.sup.2 and R.sup.3 represent a phenyl, 1-naphthyl or 2-naphthyl group, or a 5-6 membered heterocyclic ring and the like; R.sup.4 represents a hydrogen or halogen atom, or a alkyl, alkoxy or alkylthio group; and a herbicidal composition containing the pyrazole derivative.Type: GrantFiled: October 27, 1997Date of Patent: August 17, 1999Assignee: Nissan Chemical Industries, Ltd.Inventors: Katsushi Morimoto, Tomoyuki Ogura, Takeshi Nagaoka, Hiroyuki Furusawa, Koichi Nishio, Shigeru Ishii, Tsutomu Nawamaki, Kunimitsu Nakahira, Kimihiro Ishikawa
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Patent number: 5834401Abstract: The present invention provides a nitrogen-containing cyclic compound represented by the formula (1): ##STR1## (wherein R.sup.1 represents an alkyl group; R represents a hydrogen atom or an alkyl group; X represents an oxygen or sulfur atom or NR.sup.3 ; Q.sup.1 represents a hydrogen atom, or an alkyl, cycloalkyl, alkenyl or alkynyl group, or a phenyl, naphthyl or heterocyclic group etc.; Q.sup.2 represents an alkyl, cycloalkyl or alkenyl group, or a phenyl or thienyl group etc.; A.sup.1 represents a carbon or nitrogen atom; A.sup.2 represents CR.sup.2 or NR.sup.2, or an oxygen or sulfur atom, or SO or SO.sub.2 ; A.sup.3 represents a single bond, or an oxygen or sulfur atom, or CR.sup.5 or NR.sup.5) and a herbicide comprising the same , which herbicide exhibits very high herbicidal activity at very low application rate and has selectivity against crops.Type: GrantFiled: December 16, 1996Date of Patent: November 10, 1998Assignee: Nissan Chemical Industries, Ltd.Inventors: Yasuo Kawamura, Eiichi Oya, Kaoru Itoh, deceased, Hiroshi Kita, Hisashi Nakata, Kanji Sawada, Yoshitake Tamada, Tsutomu Nawamaki, Kimihiro Ishikawa, Kenichi Shiojima, Chiaki Kawaguchi, Kunimitsu Nakahira
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Patent number: 5773388Abstract: Novel pyrimidine derivatives of the formula (I): ##STR1## wherein R1 is a C.sub.1 -C.sub.6 haloalkyl group, a C.sub.1 -C.sub.6 alkyl group, a C.sub.3 -C.sub.6 cycloalkyl group or the like, R2 is a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group, a C.sub.3 -C.sub.6 cycloalkyl group or the like, and X is a carbonyl group or --C(R3)OH (wherein R3 is a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group or the like).Type: GrantFiled: February 9, 1996Date of Patent: June 30, 1998Assignee: Nissan Chemical Industries, Ltd.Inventors: Jun Satow, Yasuo Kondo, Yoshihiro Kudo, Takumi Mikashima, Tsutomu Nawamaki, Yoichi Ito, Kazuhisa Sudo, Kunimitsu Nakahira, Shigeomi Watanabe, Kimihiro Ishikawa
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Patent number: 5763365Abstract: A fluoropropylthiazoline represented by the formula (1), a herbicide containing it and intermediates for it.Type: GrantFiled: July 11, 1996Date of Patent: June 9, 1998Assignee: Nissan Chemical Industries, Ltd.Inventors: Kenji Makino, Hideaki Suzuki, Takeshi Nagaoka, Toshio Niki, Yoshiyuki Kusuoka, Toshimasa Hamada, Tsutomu Nawamaki, Shigeomi Watanabe, Yoichi Ito, Kazuhisa Sudo
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Patent number: 5750470Abstract: Provided are a pyridine derivative represented by the formula (1): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each independently represent a hydrogen atom, a C.sub.1-6 alkyl group, a C.sub.1-4 haloalkyl group, a C.sub.1-4 alkoxy group, a cyano group, a nitro group or a halogen atom,Qa represents a phenyl, pyrazolyl or pyridyl which may be substituted, Qb represents an azole, and X represents oxygen, sulfur or N-R.sup.4,R.sup.4 represents hydrogen or an alkyl group, and an agricultural chemical containing the same, particularly a herbicide.Type: GrantFiled: February 24, 1997Date of Patent: May 12, 1998Assignee: Nissan Chemical Industries, Ltd.Inventors: Katsushi Morimoto, Masatoshi Ohnari, Hiroyuki Furusawa, Takumi Terachi, Tsutomu Nawamaki, Kimihiro Ishikawa, Kunimitsu Nakahira, Chiaki Kawaguchi
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Patent number: 5716904Abstract: A novel 4,5-disubstituted pyrimidine derivative of the formula (I): ##STR1## wherein R1 is CF.sub.2 X (X is Cl or Br), R.sub.2 is a C.sub.1 -C.sub.8 alkyl group, a C.sub.3 -C.sub.8 cycloalkyl group, etc., R3 is a halogen atom, SH, NH.sub.2, etc., and R4 is a hydrogen atom, a halogen atom, a C.sub.1 -C.sub.6 alkyl group, etc., is a herbicide having excellent activities.Type: GrantFiled: May 1, 1996Date of Patent: February 10, 1998Assignee: Nissan Chemical Industries, Ltd.Inventors: Jun Satow, Yasuo Kondo, Yoshihiro Kudo, Takumi Mikashima, Tsutomu Nawamaki, Yoichi Ito, Kazuhisa Sudo, Kunimitsu Nakahira, Shigeomi Watanabe, Kimihiro Ishikawa
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Patent number: 5691276Abstract: A mixture of a compound represented by the formula (1) and at least one compound selected from the group consisting of phenmedipham, ethofumesate, chloridazon, metamitron and triflusulfuron-methyl, which is safe for sugar beet and has excellent properties.Type: GrantFiled: December 20, 1996Date of Patent: November 25, 1997Assignee: Nissan Chemical CorporationInventors: Yoichi Ito, Kazuhisa Sudo, Tsutomu Nawamaki, Kenzi Makino
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Patent number: 5686390Abstract: An iminosulfonylurea compound or a salt thereof which is useful as a herbicide and growth control agent against weeds.Type: GrantFiled: December 15, 1995Date of Patent: November 11, 1997Assignee: Nissan Chemical Industries Ltd.Inventors: Kenzi Makino, Shigeaki Akiyama, Hideaki Suzuki, Takeshi Nagaoka, Toshio Niki, Koichi Suzuki, Tsutomu Nawamaki, Shigeomi Watanabe, Kimihiro Ishikawa
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Patent number: 5604179Abstract: An iminosulfonylurea derivative of the formula (1) or its salt ##STR1## wherein Q is ##STR2## wherein the variables are herein below defined, and a herbicidal and and growth control method.Type: GrantFiled: June 7, 1995Date of Patent: February 18, 1997Assignee: Nissan Chemical Industries Ltd.Inventors: Kenzi Makino, Shigeaki Akiyama, Hideaki Suzuki, Takeshi Nagaoka, Toshio Niki, Koichi Suzuki, Tsutomu Nawamaki, Shigeomi Watanabe, Kimihiro Ishikawa
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Patent number: 5545608Abstract: Pyrazole-glycolic acid amides of the following formula (1) (in which R.sup.1 to R.sup.5 each represent a hydrogen atom or a substituent having a broad definition), and herbicides containing them. The compounds have a high herbicidal effect against paddy weeds, especially Echinochloa crus-galli, while highly safe for paddy rice plants.Type: GrantFiled: April 25, 1994Date of Patent: August 13, 1996Assignee: Nissan Chemical Industries, Ltd.Inventors: Katsushi Morimoto, Masatoshi Ohnari, Tsutomu Nawamaki, Shigeomi Watanabe, Kimihiro Ishikawa
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Patent number: 5518994Abstract: Disclosed are a herbicide and a plant growth regulator comprising a 2-arylaminopyrimidinone derivative represented by the formula (1): ##STR1## (wherein Q represents various kinds of aromatic ring or heterocyclic ring).This compound can be used safely to main crops and shows high herbicidal effect to many weeds with a low dosage, and also shows plant growth regulating effect.Type: GrantFiled: December 6, 1994Date of Patent: May 21, 1996Assignee: Nissan Chemical Industries, Ltd.Inventors: Yasuo Kawamura, Jun Satow, Kenzo Fukuda, Eiichi Oya, Kaoru Itoh, Hiroshi Kita, Hisashi Nakata, Tsutomu Nawamaki, Seiichi Fujii, Shigeomi Watanabe, Kimihiro Ishikawa, Yoichi Ito
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Patent number: 5500406Abstract: The present invention provides novel iminosulfonylurea derivatives which are useful as herbicides with excellent activity and selectivity. These derivatives can be used to protect rice, wheat, corn, soybean, cotton and sugar beet from weeds.Type: GrantFiled: April 15, 1994Date of Patent: March 19, 1996Assignee: Nissan Chemical Industries Ltd.Inventors: Kenzi Makino, Shigeaki Akiyama, Hideaki Suzuki, Takeshi Nagaoka, Toshio Niki, Koichi Suzuki, Tsutomu Nawamaki, Shigeomi Watanabe, Kimihiro Ishikawa
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Patent number: 5356863Abstract: The present invention relates to an uracil derivative represented by the formula (1): ##STR1## in which R.sup.1 represents hydrogen, alkyl or haloalkyl; R.sup.2 represents haloalkyl; R.sup.3 represents hydrogen, alkyl, haloalkyl, hydroxymethyl, halogen or nitro; R.sup.4 represents hydrogen or halogen; R.sup.5 represents hydrogen, halogen, nitro or cyano; X represents oxygen or sulfur: provided that the case where both of Da and Db represent hydrogen is excluded and a herbicide containing the same. The compound can be safely applied to important crops and shows high effect against many weeds in a low amount.Type: GrantFiled: October 21, 1993Date of Patent: October 18, 1994Assignee: Nissan Chemical Industries, Ltd.Inventors: Jun Satow, Kenzou Fukuda, Kaoru Itoh, Hiroshi Kita, Yasuo Kawamura, Koichi Suzuki, Tsutomu Nawamaki, Shigeomi Watanabe, Toshiharu Endo, Kimihiro Ishikawa
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Patent number: 5354731Abstract: A pyridinesulfonamide derivative of the formula (I) and a salt thereof: ##STR1## wherein R.sup.1 is a halogen atom, a trifluoromethyl group, a C.sub.1 -C.sub.6 alkoxycarbonyl group, a C.sub.1 -C.sub.6 mono- or di-alkylaminocarbonyl group, a C.sub.1 -C.sub.6 alkoxy group, a C.sub.1 -C.sub.6 alkylsulfonyl group, a C.sub.1 -C.sub.6 alkylthio group, a C.sub.1 -C.sub.6 alkyl group substituted by a C.sub.1 -C.sub.6 alkoxy group, a C.sub.1 -C.sub.6 alkyl group substituted by a C.sub.1 -C.sub.6 mono- or poly-halogenoalkoxy group, a C.sub.1 -C.sub.6 mono- or poly-halogenoalkoxy group, a C.sub.1 -C.sub.6 mono- or di-alkylaminosulfonyl group, a C.sub.1 -C.sub.6 alkoxyaminosulfonyl group substituted by a C.sub.1 -C.sub.6 alkyl group, a nitro group, a C.sub.1 -C.sub.6 alkyl group substituted by a C.sub.1 -C.sub.6 alkylthio group, a C.sub.1 -C.sub.6 alkyl group substituted by a C.sub.1 -C.sub.6 alkylsulfonyl group, or a C.sub.1 -C.sub.6 alkyl group substituted by a C.sub.1 -C.sub.6 alkoxycarbonyl group;R.sup.Type: GrantFiled: February 11, 1992Date of Patent: October 11, 1994Assignee: Nissan Chemical Industries Ltd.Inventors: Kenzi Makino, Katsushi Morimoto, Shigeaki Akiyama, Hideaki Suzuki, Takeshi Nagaoka, Koichi Suzuki, Tsutomu Nawamaki, Shigeomi Watanabe
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Patent number: RE34779Abstract: A pyrazole derivative of the formula I ##STR1## wherein A is C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkenyl or C.sub.2 -C.sub.4 alkynyl; B is hydrogen, C.sub.1 -C.sub.3 alkyl, halogen, C.sub.1 -C.sub.3 haloalkyl, C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 alkylthio, C.sub.2 -C.sub.4 alkoxyalkyl, C.sub.2 -C.sub.4 alkylthioalkyl or C.sub.2 -C.sub.4 alkoxycarbonyl; X is C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, halogen, nitro, cyano, etc.; Y is --OR.sup.1 (wherein R.sup.1 is C.sub.3 -C.sub.8 cycloalkyl, etc), --O--L--O--R.sup.1 (wherein L is C.sub.1 -C.sub.6 alkylene which may be substituted by C.sub.1 -C.sub.3 alkyl), --O--L--OH, --O--L--O--L--O--R.sup.2 (wherein R.sup.2 is hydrogen, C.sub.1 -C.sub.6 alkyl group, etc.), --O--L--R.sup.3 (wherein R.sup.3 is phenyl which may be substituted by C.sub.1 -C.sub.3 alkyl, etc.), --O--M (wherein M is a 3- to 6-membered alicyclic group), --O--L--M, --O--L--NR.sup.4 R.sup.5 (wherein each of R.sup.4 and R.sup.5 is hydrogen or C.sub.1 -C.sub.6 alkyl, or R.sup.Type: GrantFiled: September 18, 1992Date of Patent: November 8, 1994Assignee: Nissan Chemical Industries Ltd.Inventors: Eiichi Oya, Junichi Watanabe, Yasuo Kondo, Takuya Kakuta, Koichi Suzuki, Tsutomu Nawamaki, Shigeomi Watanabe