Patents by Inventor Akiko Yabe
Akiko Yabe 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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Publication number: 20240018137Abstract: Provided is a compound represented by formula (1): In the formula, A represents a polymerizable group; L represents an optionally branched (n+1)-valent linking group; R1 represents an aromatic ring group optionally having a substituent; R2 represents a monovalent organic group optionally having a substituent; X1 and X2 each independently represent an oxygen atom, a sulfur atom, or a nitrogen atom optionally having a substituent; m represents an integer of 0 or 1; n represents an integer of 1 to 3; and p represents an integer of 0 or 1. The two R1s may be bonded together at any position to form a ring structure and R1=R2, X1=X2, and p=1 do not hold simultaneously. The compound simultaneously has a high refractive index and high transparency.Type: ApplicationFiled: September 21, 2023Publication date: January 18, 2024Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Shuji YAMASHITA, Akiko Yabe, Tatsuya Ishikawa, Ken Sato, Asato Tanaka
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Patent number: 11631895Abstract: The present invention provides an energy device having excellent properties. Also provided is a nonaqueous electrolyte solution containing a compound represented by the following Formula (1), wherein R11, R12 and R13 each independently represent an organic group having 1 to 3 carbon atoms; and R11 and R12, R11 and R13, or R12 and R13 are optionally bound with each other to form a 5-membered ring or a 6-membered ring, with a proviso that a total number of carbon atoms of R11, R12 and R13 is 7 or less.Type: GrantFiled: May 8, 2020Date of Patent: April 18, 2023Assignees: MITSUBISHI CHEMICAL CORPORATION, MU IONIC SOLUTIONS CORPORATIONInventors: Atsushi Watarai, Hiroyuki Tokuda, Akiko Yabe
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Publication number: 20220283497Abstract: A compound represented by the following formula (1): [wherein R1 represents a hydrogen atom or a methyl group; R2 represents an aromatic ring group optionally having a substituent or an alkyl group substituted with an aromatic ring group optionally having a substituent; X1 represents a (thio)ester bond, a (thio)carbonate bond, a (thio)amide bond, a (thio)urethane bond, a (thio)urea bond, a (thio)ether bond, oxygen, sulfur, or a nitrogen atom optionally having a substituent; X2 represents oxygen, sulfur, or a nitrogen atom optionally having a substituent; A represents a divalent group optionally having a substituent; L represents an (m+1)-valent linking group optionally having a substituent; m represents an integer of 1 to 3; and n represents 0 or 1].Type: ApplicationFiled: May 16, 2022Publication date: September 8, 2022Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Takanori SHIMIZU, Akiko YABE, Shuji YAMASHITA, Takashi OHTANI, Tatsuya ISHIKAWA
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Publication number: 20200274199Abstract: The present invention provides an energy device having excellent properties. Also provided is a nonaqueous electrolyte solution containing a compound represented by the following Formula (1), wherein R11, R12 and R13 each independently represent an organic group having 1 to 3 carbon atoms; and R11 and R12, R11 and R13, or R12 and R13 are optionally bound with each other to form a 5-membered ring or a 6-membered ring, with a proviso that a total number of carbon atoms of R11, R12 and R13 is 7 or less.Type: ApplicationFiled: May 8, 2020Publication date: August 27, 2020Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Atsushi WATARAI, Hiroyuki TOKUDA, Akiko YABE
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Patent number: 8758960Abstract: A novel polymerizable high-refractive index compound which is useful as an optical material, and a holographic recording medium using the same, which has high diffraction efficiency, high light transmittance and small rate of shrinkage, are provided. A composition for forming a holographic recording layer containing a reactive compound represented by the following formula 1, a holograph recording material, and a holographic recording medium provided with a recording layer containing the same, are disclosed.Type: GrantFiled: June 9, 2009Date of Patent: June 24, 2014Assignee: Mitsubishi Chemical CorporationInventors: Yasuaki Miki, Akiko Yabe, Jun Enda
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Publication number: 20110092612Abstract: A novel polymerizable high-refractive index compound which is useful as an optical material, and a holographic recording medium using the same, which has high diffraction efficiency, high light transmittance and small rate of shrinkage, are provided. A composition for forming a holographic recording layer containing a reactive compound represented by the following formula 1, a holograph recording material, and a holographic recording medium provided with a recording layer containing the same, are disclosed.Type: ApplicationFiled: June 9, 2009Publication date: April 21, 2011Applicant: Mitsubishi Chemical CorporationInventors: Yasuaki Miki, Akiko Yabe, Jun Enda
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Patent number: 7396488Abstract: The present invention is to provide a light emitting device which can generate high-intensity light emission, using a fluorescent material containing a rare earth element ion complex and being excellent in durability and also provide the fluorescent material to be used therein. The present invention relates to a light emitting device comprising a semiconductor light emitting element which emits light within the region from near-ultraviolet light to visible light, and a fluorescent material which contains a rare earth element ion complex having an aromatic ring-containing Bronsted acid ion with a pKa value of 7 or less as a ligand and emits light by the action of light of the semiconductor light emitting element.Type: GrantFiled: November 8, 2006Date of Patent: July 8, 2008Assignee: Mitsubishi Chemical CorporationInventors: Tetsuo Murayama, Akiko Yabe, Kanzi Shimizu, Takayuki Shoda, Masahiko Yoshino
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Patent number: 7282160Abstract: The present invention is to provide a light emitting device which can generate high-intensity light emission, using a fluorescent material containing a rare earth element ion complex and being excellent in durability and also provide the fluorescent material to be used therein. The present invention relates to a light emitting device comprising a semiconductor light emitting element which emits light within the region from near-ultraviolet light to visible light, and a fluorescent material which contains a rare earth element ion complex having an aromatic ring-containing Bronsted acid ion with a pKa value of 7 or less as a ligand and emits light by the action of light of the semiconductor light emitting element.Type: GrantFiled: November 22, 2005Date of Patent: October 16, 2007Assignee: Mitsubishi Chemical CorporationInventors: Tetsuo Murayama, Akiko Yabe, Kanzi Shimizu, Takayuki Shoda, Masahiko Yoshino
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Publication number: 20070132366Abstract: An object of the present invention is to provide a light emitting device which is high in emission intensity and stable, that is to say, a light emitting device in which when an LED or LD having an emission peak at 380 nm to 410 nm is used as an excitation light source of the light emitting device, the emission intensity of a red phosphor does not largely change to some deviation of the emission wavelength of the LED or LD to maintain not only brightness but also a balance at the time when mixed with a blue and green phosphors.Type: ApplicationFiled: February 4, 2005Publication date: June 14, 2007Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Akiko Yabe, Tetsuo Murayama
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Publication number: 20070085057Abstract: The present invention is to provide a light emitting device which can generate high-intensity light emission, using a fluorescent material containing a rare earth element ion complex and being excellent in durability and also provide the fluorescent material to be used therein. The present invention relates to a light emitting device comprising a semiconductor light emitting element which emits light within the region from near-ultraviolet light to visible light, and a fluorescent material which contains a rare earth element ion complex having an aromatic ring-containing Bronsted acid ion with a pKa value of 7 or less as a ligand and emits light by the action of light of the semiconductor light emitting element.Type: ApplicationFiled: November 8, 2006Publication date: April 19, 2007Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Tetsuo Murayama, Akiko Yabe, Kanzi Shimizu, Takayuki Shoda, Masahiko Yoshino
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Publication number: 20060172148Abstract: The present invention is to provide a light emitting device which can generate high-intensity light emission, using a fluorescent material containing a rare earth element ion complex and being excellent in durability and also provide the fluorescent material to be used therein. The present invention relates to a light emitting device comprising a semiconductor light emitting element which emits light within the region from near-ultraviolet light to visible light, and a fluorescent material which contains a rare earth element ion complex having an aromatic ring-containing Bronsted acid ion with a pKa value of 7 or less as a ligand and emits light by the action of light of the semiconductor light emitting element.Type: ApplicationFiled: November 22, 2005Publication date: August 3, 2006Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Tetsuo Murayama, Akiko Yabe, Kanzi Shimizu, Takayuki Shoda, Masahiko Yoshino
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Patent number: 6849633Abstract: The invention provides a novel pest control agent having a high systemic activity and a high safety with reduced adverse influences on the environment neighboring the place to which the agent is applied, and a process for producing the same. Namely, the present invention relates to a novel 1-aryl-3-cyano-5-heteroarylalkylaminopyrazole derivative represented by the following general formula (1) and a process for producing the same, and a pest control agent containing the same as an active ingredient. (wherein X represents N or C-halogen, R1 represents an alkyl group, an alkenyl group, an alkynyl group, or a haloalkyl group, R2 represents hydrogen atom, an alkyl group, or an acyl group, R3 represents hydrogen atom or an alkyl group, A represents any one of the groups represented by A-1 to A-4, R4 represents hydrogen atom, an alkyl group, a halogen atom, and n represents 0, 1, or 2, provided that R1 is a haloalkyl group except a perhaloalkyl group when A is A-1 and n is 0, and that n is not 0 when A is A-4.Type: GrantFiled: December 28, 2001Date of Patent: February 1, 2005Assignee: Nihon Nohyaku Co., Ltd.Inventors: Shuko Okui, Nobuo Kyomura, Toshiki Fukuchi, Ken Tanaka, Manabu Katsurada, Kazuya Okano, Naoko Sumitani, Akiko Miyauchi, Akiko Yabe
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Publication number: 20030060471Abstract: The invention provides a novel pest control agent having a high systemic activity and a high safety with reduced adverse influences on the environment neighboring the place to which the agent is applied, and a process for producing the same.Type: ApplicationFiled: December 28, 2001Publication date: March 27, 2003Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Shuko Okui, Nobuo Kyomura, Toshiki Fukuchi, Ken Tanaka, Manabu Katsurada, Kazuya Okano, Naoko Sumitani, Akiko Miyauchi, Akiko Yabe
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Patent number: 6316575Abstract: Provided are a method for producing polycarbonates through melt transesterification, wherein is used a polymerization catalyst comprising a phosphorus-containing basic compound and a quaternary phosphonium salt having a specific structure; and a method for producing polycarbonates, which comprises pre-polymerization to prepare polycarbonate prepolymers followed by final polymerization of said prepolymers in a solid phase or in a swollen solid phase to produce the products, polycarbonates, and in which (1) a catalyst comprising a phosphorus-containing basic compound and a quaternary phosphonium salt having a specific structure is used in the pre-polymerization and in the final polymerization, or (2) a catalyst of a tri-valent or penta-valent phosphorus compound or a nitrogen-containing organic basic compound is used in the final polymerization, or (3) the final polymerization is effected in a vapor-phase atmosphere having an oxygen concentration of not larger than 2 ppm.Type: GrantFiled: December 23, 1998Date of Patent: November 13, 2001Assignee: Idemitsu Kosan Co., Ltd.Inventors: Shigeki Kuze, Kenji Tanaka, Akiko Yabe, Misako Ishikawa, Naoko Seino