Patents by Inventor Kazunari Yagi
Kazunari Yagi 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: 8211551Abstract: An organic electroluminescent device includes a pair of electrodes; and an organic layer between the pair of electrodes, which includes a light-emitting layer and contains a compound represented by the following formula (1): wherein M101 represents a transition metal belonging to group IX of the Periodic Table; L101 represents a ligand; n101 represents an integer of 1 or more; m101 represents an integer of 0 or more; Hy101 represents a heterocyclic aromatic ring; Z101, Z102, Z103 and Z104 each represents a substituted or unsubstituted carbon atom, or a nitrogen atom; and the dashed line represents a coordinate bond, and the compound represented forms a condensed ring via any of Z101 and Z102, Z102 and Z103, and Z103 and Z104, wherein Z in the crosslinking site forming the condensed ring represents a carbon atom.Type: GrantFiled: May 16, 2008Date of Patent: July 3, 2012Assignee: FUJIFILM CorporationInventor: Kazunari Yagi
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Patent number: 8187729Abstract: A process for preparing a platinum complex represented by the following formula (1) includes reacting a compound represented by the following formula (B-2) and a compound represented by the following formula (B-2?) with a compound represented by the following formula (A-0) to obtain a compound represented by the following formula (C-0); and reacting the compound represented by the formula (C-0) with a platinum salt:Type: GrantFiled: September 15, 2008Date of Patent: May 29, 2012Assignee: FUJIFILM CorporationInventors: Takeshi Murakami, Ikuo Kinoshita, Kazunari Yagi, Saki Takada, Akira Takeda, Wataru Sotoyama, Hiroo Takizawa
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Patent number: 8153278Abstract: An organic electroluminescence device, includes: a pair of electrodes; and at least one organic layer including a light emitting layer, the light emitting layer being provided between the pair of electrodes, wherein at least one layer of the at least one organic layer contains a compound represented by formula (I) as defined in the specification.Type: GrantFiled: April 23, 2009Date of Patent: April 10, 2012Assignee: Fujifilm CorporationInventors: Ikuo Kinoshita, Eiji Fukuzaki, Takeshi Murakami, Kazunari Yagi, Akira Takeda, Toshihiro Ise
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Patent number: 8063163Abstract: A novel cycloolefin copolymer that can be employed in the production of molding with fewer defects, for example, fewer gel particles (fish eyes). There is provided a cycloolefin copolymer comprising 80 to 20 mol % of repeating units derived from an ?-olefin monomer and 20 to 80 mol % of repeating units derived from at least one cycloolefin monomer selected from the group consisting of monomer of the general formula (I), monomer of the general formula (II), monomer of the general formula (III), monomer of the general formula (IV) and monomer of the general formula (V), wherein with respect to the repeating units derived from cycloolefin monomer, the proportion thereof being present in the form of dimer (Rd) is 50 mol % or below and the proportion thereof being present in the form of trimer (Rt) 5 mol % or above.Type: GrantFiled: November 24, 2005Date of Patent: November 22, 2011Assignees: Polypastics Co., Ltd., Topas Advanced Polymers GmbHInventors: Wilfried Hatke, Matthias Bruch, Anne-Meike Schauwienold, Udo Manfred Stehling, Hiroyuki Kanai, Hajime Serizawa, Hiroshi Hiraike, Takahiko Sawada, Kazunari Yagi, Isao Higuchi, Katsunori Toyoshima, Takeharu Morita
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Publication number: 20110269994Abstract: A production method of a triarylamine compound including: producing a particular triarylamine compound by performing a reaction between a specific halogenated triarylamine compound and a specific olefin in the presence of palladium and alkylphosphine.Type: ApplicationFiled: April 28, 2010Publication date: November 3, 2011Applicant: FUJIFILM CorporationInventors: Kazunari YAGI, Kazumi Nii
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Patent number: 8048538Abstract: A organic electroluminescent device comprising: a pair of electrodes; and at least one organic layer between the pair of electrodes, wherein the at least one organic layer contains a specific compound in which a transition metal and a carbene carbon are bonded to each other.Type: GrantFiled: April 25, 2006Date of Patent: November 1, 2011Assignee: FUJIFILM CorporationInventors: Takeshi Murakami, Kazunari Yagi, Seiji Ichijima, Tatsuya Igarashi, Tasuku Satou
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Publication number: 20100171111Abstract: An organic electroluminescent device is provided and includes: a pair of electrodes; and a light emitting layer between the electrodes. The organic electroluminescent device has a layer containing a compound represented by formula (I). L represents a divalent linking group, Q1 and Q2 each independently represents an aromatic or aliphatic heterocycle coordinated to Pt through a nitrogen atom, X1 represents a 6-membered ring containing one or more nitrogen atoms, Q1, Q2, and X1 each independently may have a substituent, X2 represents a sulfur atom, a phosphorus atom, an oxygen atom, or a nitrogen atom, and X3 represents a carbon atom, a sulfur atom, or a phosphorus atom.Type: ApplicationFiled: January 6, 2010Publication date: July 8, 2010Applicant: FUJIFILM CORPORATIONInventors: Saki TAKADA, Kazunari YAGI, Takeshi MURAKAMI, Eiji FUKUZAKI
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Patent number: 7740959Abstract: An organic electroluminescent device comprises: a pair of electrodes; and at least one organic layer comprising a light-emitting layer, said at least one organic layer being between the electrodes, wherein at least one of said at least one organic layer comprises at least one kind of compound represented by formula [1]: wherein Q101 represents a linking group, the bond between the carbon atom bonded by R107 and the carbon atom bonded by R108 may be a single bond or a double bond (provided that when the bond between the carbon atom bonded by R107 and the carbon atom bonded by R108 is a double bond, R106 and R109 are not present), R102 to R105 each represents a substituent, R106 to R109 each represents a hydrogen atom or a substituent, R107 and R108 may combine to form a condensed ring, and n101 represents an integer of 1 or more].Type: GrantFiled: September 21, 2007Date of Patent: June 22, 2010Assignee: FUJIFILM CorporationInventor: Kazunari Yagi
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Publication number: 20100108995Abstract: An organic electroluminescent device is provided and includes: a pair of electrodes; and at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer. The at least one organic layer contains an indole compound represented by formula (1): in which Ind101 represents a substituted or unsubstituted indole ring, L101 represents a linking group, Ind101 and L101 are connected to each other at 2- or 3-position of Ind101, and n101 represents an integer of 2 or more.Type: ApplicationFiled: March 26, 2008Publication date: May 6, 2010Applicant: FUJIFILM CORPORATIONInventors: Kazunari Yagi, Ryo Nishio
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Publication number: 20100066243Abstract: An organic electroluminescent device is provided and includes: a pair of electrodes; and at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer containing a light-emitting material. The at least one organic layer includes at least one layer containing an indole derivative represented by formula (1). R102, R103, R104, R105 and R106 each independently represents a hydrogen atom or a substituent; R101 represents a substituent linking via a carbon atom; R101 and R106 may be bonded to each other to form a ring; R107 represents a substituent; n101 represents 1 or 2; and n102 represents an integer of from 0 to 5, provided that n101+n102?6.Type: ApplicationFiled: November 27, 2007Publication date: March 18, 2010Applicant: FUJIFILM CORPORATIONInventors: Tatsuya Igarashi, Kazunari Yagi
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Publication number: 20100060151Abstract: An organic electroluminescent device is provided and includes: a pair of electrodes; and at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer containing a light-emitting material. The at least one organic layer includes at least one layer containing an indole derivative represented by formula (1). R101, R102, R103, R104 and R105 each independently represents a hydrogen atom or a substituent; R106 represents an alkyl group having a tertiary or quaternary carbon atom; R101 and R106 may be bonded to each other to form a ring; L101 represents a linking group; and n101 represents an integer of 2 or higher.Type: ApplicationFiled: November 27, 2007Publication date: March 11, 2010Applicant: FUJIFILM CORPORATIONInventors: Tatsuya Igarashi, Kazunari Yagi
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Publication number: 20100026174Abstract: An organic electroluminescent device is provided and includes: a pair of electrodes; and at least one organic layer between the pair of electrodes, the at least one organic layer including a light-emitting layer. The at least one organic layer includes at least one layer containing an indole derivative represented by formula (1), and the light-emitting layer includes a platinum complex phosphorescent material having a tetradentate ligand. R101, R102, R103, R104, R105, R106 and R107 each independently represents a hydrogen atom or a substituent, provided that R102 and R103 are not bonded to each other to form an aromatic condensed ring.Type: ApplicationFiled: November 27, 2007Publication date: February 4, 2010Applicant: FUJIFILM CORPORATIONInventors: Tatsuya Igarashi, Kazunari Yagi
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Publication number: 20090267500Abstract: An organic electroluminescence device, includes: a pair of electrodes; and at least one organic layer including a light emitting layer, the light emitting layer being provided between the pair of electrodes, wherein at least one layer of the at least one organic layer contains a compound represented by formula (I) as defined in the specification.Type: ApplicationFiled: April 23, 2009Publication date: October 29, 2009Applicant: FUJIFILM CORPORATIONInventors: Ikuo KINOSHITA, Eiji FUKUZAKI, Takeshi MURAKAMI, Kazunari YAGI, Akira TAKEDA, Toshihiro ISE
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Publication number: 20090163632Abstract: A novel cycloolefin copolymer that can be employed in the production of molding with fewer defects, for example, fewer gel particles (fish eyes). There is provided a cycloolefin copolymer comprising 80 to 20 mol % of repeating units derived from an ?-olefin monomer and 20 to 80 mol % of repeating units derived from at least one cycloolefin monomer selected from the group consisting of monomer of the general formula (I), monomer of the general formula (II), monomer of the general formula (III), monomer of the general formula (IV) and monomer of the general formula (V), wherein with respect to the repeating units derived from cycloolefin monomer, the proportion thereof being present in the form of dimer (Rd) is 50 mol % or below and the proportion thereof being present in the form of trimer (Rt) 5 mol % or above.Type: ApplicationFiled: November 24, 2005Publication date: June 25, 2009Applicants: POLYPLASTICS CO., LTD., TOPAS ADVANCED POLYMERS GMBHInventors: Wilfried Hatke, Matthias Bruch, Anne-Meike Schauwienold, Udo Manfred Stehling, Hiroyuki Kanai, Hajime Serizawa, Hiroshi Hiraike, Takahiko Sawada, Kazunari Yagi, Isao Higuchi, Katsunori Toyoshima, Takeharu Morita
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Publication number: 20090079329Abstract: A organic electroluminescent device comprising: a pair of electrodes; and at least one organic layer between the pair of electrodes, wherein the at least one organic layer contains a specific compound in which a transition metal and a carbene carbon are bonded to each other.Type: ApplicationFiled: April 25, 2006Publication date: March 26, 2009Applicant: FUJIFILM CORPORATIONInventors: Takeshi Murakami, Kazunari Yagi, Seiji Ichijima, Tatsuya Igarashi, Tasuku Satou
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Publication number: 20090079340Abstract: A compound is represented by the following formula (I): wherein N represents a nitrogen atom; C represents a carbon atom; Pt represents a platinum atom; Z1, Z4, Z5, and Z8 represent a carbon atom or a nitrogen atom; Z2, Z3, Z6, and Z7 represent a carbon atom, a nitrogen atom, an oxygen atom or a sulfur atom; Z11, and Z16 represent a carbon atom or a nitrogen atom; Z12, Z13, Z14, Z15, Z17, Z18, Z19, and Z20 represent a carbon atom, a nitrogen atom, an oxygen atom, or a sulfur atom; Y1 and Y2 represent a single bond, an oxygen atom, a sulfur atom, a nitrogen atom; A11 represents a divalent linking group; B1 and B2 represent a single bond or a divalent linking group.Type: ApplicationFiled: September 24, 2008Publication date: March 26, 2009Applicant: FUJIFILM CORPORATIONInventors: Ikuo KINOSHITA, Kazunari YAGI, Takeshi MURAKAMI
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Publication number: 20090072726Abstract: A process for preparing a platinum complex represented by the following formula (1) includes reacting a compound represented by the following formula (B-2) and a compound represented by the following formula (B-2?) with a compound represented by the following formula (A-0) to obtain a compound represented by the following formula (C-0); and reacting the compound represented by the formula (C-0) with a platinum salt:Type: ApplicationFiled: September 15, 2008Publication date: March 19, 2009Applicant: FUJIFILM CORPORATIONInventors: Takeshi MURAKAMI, Ikuo KINOSHITA, Kazunari YAGI, Saki TAKADA, Akira TAKEDA, Wataru SOTOYAMA, Hiroo TAKIZAWA
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Publication number: 20080297038Abstract: An organic electroluminescent device includes a pair of electrodes; and an organic layer between the pair of electrodes, which includes a light-emitting layer and contains a compound represented by the following formula (1): wherein M101 represents a transition metal belonging to group IX of the Periodic Table; L101 represents a ligand; n101 represents an integer of 1 or more; m101 represents an integer of 0 or more; Hy101 represents a heterocyclic aromatic ring; Z101, Z102, Z103 and Z104 each represents a substituted or unsubstituted carbon atom, or a nitrogen atom; and the dashed line represents a coordinate bond, and the compound represented forms a condensed ring via any of Z101 and Z102, Z102 and Z103, and Z103 and Z104, wherein Z in the crosslinking site forming the condensed ring represents a carbon atom.Type: ApplicationFiled: May 16, 2008Publication date: December 4, 2008Applicant: FUJIFILM CORPORATIONInventor: Kazunari YAGI
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Publication number: 20080113116Abstract: It is the object of the present invention to provide a retardation film comprising a norbornene type copolymer, being excellent in heat resistance, low specific gravity, low birefringence, low photoelasticity, and low chromatic dispersion and having high performance of retardation compensation.Type: ApplicationFiled: November 24, 2005Publication date: May 15, 2008Applicant: SEKISUI CHEMICAL CO., LTDInventors: Hiroshi Hiraike, Takahiko Sawada, Kazunari Yagi, Isao Higuchi, Katsunori Toyoshima, Takeharu Morita, Yoshihiro Takaenoki, Takehiro Nakamura, Wilfried Hatke, Matthias Bruch, Anne-Meike Schauwienold, Udo Manfred Stehling, Hiroyuki Kanai, Hajime Serizawa
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Publication number: 20080074040Abstract: An organic electroluminescent device comprises: a pair of electrodes; and at least one organic layer comprising a light-emitting layer, said at least one organic layer being between the electrodes, wherein at least one of said at least one organic layer comprises at least one kind of compound represented by formula [1]: wherein Q101 represents a linking group, the bond between the carbon atom bonded by R107 and the carbon atom bonded by R108 may be a single bond or a double bond (provided that when the bond between the carbon atom bonded by R107 and the carbon atom bonded by R108 is a double bond, R106 and R109 are not present), R102 to R105 each represents a substituent, R106 to R109 each represents a hydrogen atom or a substituent, R107 and R108 may combine to form a condensed ring, and n101 represents an integer of 1 or more].Type: ApplicationFiled: September 21, 2007Publication date: March 27, 2008Applicant: FUJIFILM CORPORATIONInventor: Kazunari YAGI