Patents by Inventor Shigemoto Abe
Shigemoto Abe 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: 20230408502Abstract: Provided is a magnetic particle having high magnetic field responsiveness in detection of a substance to be measured, such as an antigen or an antibody, from a specimen. The magnetic particle includes a magnetic core particle and a polymer layer arranged on a surface of the magnetic core particle. The magnetic core particle contains an aggregation of a plurality of magnetic nanoparticles. The polymer layer contains a polymer having at least one kind of functional group selected from the group consisting of: a carboxyl group; an amino group; a thiol group; an epoxy group; a maleimide group; and a succinimidyl group.Type: ApplicationFiled: June 6, 2023Publication date: December 21, 2023Inventors: DAISUKE SASAGURI, SATOSHI YAMABI, NORISHIGE KAKEGAWA, SHIGEMOTO ABE, MINAKO NAKASU
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Patent number: 11104820Abstract: To provide an ink jet recording method which can record an image on a recording medium irrespective of what material is selected therefor. The ink jet recording method is a method of recording an image on a recording medium with a colorless transparent aqueous ink and includes a step of applying, to the recording medium, the aqueous ink containing a mineral acid and having a pH of 1.0 or less; and a step of forming carbon by making use of the mineral acid.Type: GrantFiled: July 15, 2019Date of Patent: August 31, 2021Assignee: Canon Kabushiki KaishaInventors: Shigemoto Abe, Mikio Sanada, Sayoko Nagashima, Yoshihide Aikawa
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Patent number: 11001080Abstract: To provide an ink jet recording method capable of recording a high-quality image excellent in optical density and water resistance and at the same time, suppressing peeling-off of an image caused by contact heating of a recording medium. The ink jet recording method has a step of ejecting an aqueous ink containing a resin particle from a line head and applying the aqueous ink to a predetermined position of a recording medium having ink absorbability and a step of bringing a heating roller into contact with the aqueous ink applied to the recording medium to heat it and fixing it at the predetermined position. The dynamic surface tension of the aqueous ink at the time when the heating roller is brought into contact with the aqueous ink applied to the recording medium is higher than the surface tension of the heating roller.Type: GrantFiled: April 2, 2019Date of Patent: May 11, 2021Assignee: Canon Kabushiki KaishaInventors: Mikio Sanada, Shigemoto Abe, Sayoko Nagashima
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Patent number: 10636982Abstract: The present invention provides a novel iridium complex and an organic light-emitting device including the novel iridium complex. The novel iridium complex includes three ligands, and two of them have a phenyl-naphtho[2,1-f]isoquinoline skeleton. The present invention also provides a display apparatus including the organic light-emitting device and an electrophotographic image-forming apparatus including a light source including the organic light-emitting device and including a photosensitive member.Type: GrantFiled: January 20, 2014Date of Patent: April 28, 2020Assignee: CANON KABUSHIKI KAISHAInventors: Shigemoto Abe, Jun Kamatani, Kengo Kishino, Akihito Saitoh, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Yosuke Nishide, Hirokazu Miyashita
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Patent number: 10615350Abstract: Provided is an organic light-emitting element having high luminous efficiency and a long lifetime. The organic light-emitting element includes a pair of electrodes and an organic compound layer placed between the pair of electrodes, in which the organic compound layer includes an iridium complex having a benzo[f]isoquinoline of a specific structure as a ligand and a metal complex compound of a specific structure.Type: GrantFiled: September 17, 2018Date of Patent: April 7, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Shigemoto Abe, Yosuke Nishide, Hirokazu Miyashita, Kengo Kishino, Akihito Saitoh
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Publication number: 20200032091Abstract: To provide an ink jet recording method which can record an image on a recording medium irrespective of what material is selected therefor. The ink jet recording method is a method of recording an image on a recording medium with a colorless transparent aqueous ink and includes a step of applying, to the recording medium, the aqueous ink containing a mineral acid and having a pH of 1.0 or less; and a step of forming carbon by making use of the mineral acid.Type: ApplicationFiled: July 15, 2019Publication date: January 30, 2020Inventors: Shigemoto Abe, Mikio Sanada, Sayoko Nagashima, Yoshihide Aikawa
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Publication number: 20190308423Abstract: To provide an ink jet recording method capable of recording a high-quality image excellent in optical density and water resistance and at the same time, suppressing peeling-off of an image caused by contact heating of a recording medium. The ink jet recording method has a step of ejecting an aqueous ink containing a resin particle from a line head and applying the aqueous ink to a predetermined position of a recording medium having ink absorbability and a step of bringing a heating roller into contact with the aqueous ink applied to the recording medium to heat it and fixing it at the predetermined position. The dynamic surface tension of the aqueous ink at the time when the heating roller is brought into contact with the aqueous ink applied to the recording medium is higher than the surface tension of the heating roller.Type: ApplicationFiled: April 2, 2019Publication date: October 10, 2019Inventors: Mikio Sanada, Shigemoto Abe, Sayoko Nagashima
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Patent number: 10259964Abstract: Provided is an aqueous ink that can record an image excellent in color developability and is excellent in sticking recovery property. The aqueous ink for ink jet includes: a pigment; and a surfactant, wherein the pigment includes a self-dispersible pigment in which at least one functional group selected from the group consisting of (i) an anionic group and (ii) a group in which another atomic group and an anionic group are bonded to each other is bonded to a surface of a particle of carbon black and a density of the functional group is 0.10 ?mol/m2 or more to 0.48 ?mol/m2 or less and wherein the surfactant includes an amino acid type surfactant in which a nitrogen atom capable of becoming a cation has a structure of a secondary amine or a tertiary amine.Type: GrantFiled: May 25, 2018Date of Patent: April 16, 2019Assignee: Canon Kabushiki KaishaInventors: Sayoko Nagashima, Mikio Sanada, Shigemoto Abe
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Publication number: 20190013484Abstract: Provided is an organic light-emitting element having high luminous efficiency and a long lifetime. The organic light-emitting element includes a pair of electrodes and an organic compound layer placed between the pair of electrodes, in which the organic compound layer includes an iridium complex having a benzo[f]isoquinoline of a specific structure as a ligand and a metal complex compound of a specific structure.Type: ApplicationFiled: September 17, 2018Publication date: January 10, 2019Inventors: Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Shigemoto Abe, Yosuke Nishide, Hirokazu Miyashita, Kengo Kishino, Akihito Saitoh
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Publication number: 20180346746Abstract: Provided is an aqueous ink that can record an image excellent in color developability and is excellent in sticking recovery property. The aqueous ink for ink jet includes: a pigment; and a surfactant, wherein the pigment includes a self-dispersible pigment in which at least one functional group selected from the group consisting of (i) an anionic group and (ii) a group in which another atomic group and an anionic group are bonded to each other is bonded to a surface of a particle of carbon black and a density of the functional group is 0.10 ?mol/m2 or more to 0.48 ?mol/m2 or less and wherein the surfactant includes an amino acid type surfactant in which a nitrogen atom capable of becoming a cation has a structure of a secondary amine or a tertiary amine.Type: ApplicationFiled: May 25, 2018Publication date: December 6, 2018Inventors: Sayoko Nagashima, Mikio Sanada, Shigemoto Abe
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Patent number: 10109807Abstract: Provided is an organic light-emitting element having high luminous efficiency and a long lifetime. The organic light-emitting element includes a pair of electrodes and an organic compound layer placed between the pair of electrodes, in which the organic compound layer includes an iridium complex having a benzo[f]isoquinoline of a specific structure as a ligand and a metal complex compound of a specific structure.Type: GrantFiled: December 24, 2013Date of Patent: October 23, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Shigemoto Abe, Yosuke Nishide, Hirokazu Miyashita, Kengo Kishino, Akihito Saitoh
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Patent number: 10038152Abstract: Provided is an organic light-emitting element improved in luminous efficiency and lifetime. The organic light-emitting element includes a pair of electrodes and an organic compound layer placed between the pair of electrodes, in which the organic compound layer includes an iridium complex having a benzo[f]isoquinoline of a specific structure as a ligand and a heterocycle-containing compound of a specific structure.Type: GrantFiled: December 24, 2013Date of Patent: July 31, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Tetsuya Kosuge, Yosuke Nishide, Hirokazu Miyashita, Shigemoto Abe, Takayuki Horiuchi, Naoki Yamada, Jun Kamatani, Akihito Saitoh, Kengo Kishino
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Patent number: 9960370Abstract: Provided is an organic light-emitting device improved in emission efficiency and lifetime. The organic light-emitting device includes a pair of electrodes and an organic compound layer disposed between the pair of electrodes, in which: the organic compound layer includes a benzo[f]isoquinoline iridium complex of a specific structure and a hydrocarbon compound of a specific structure; and the hydrocarbon compound is a compound formed only of an SP2 carbon atom and a hydrogen atom.Type: GrantFiled: December 25, 2013Date of Patent: May 1, 2018Assignee: CANON KABUSHIKI KAISHAInventors: Kengo Kishino, Akihito Saitoh, Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Shigemoto Abe, Yosuke Nishide, Hirokazu Miyashita
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Patent number: 9917264Abstract: Provided is an organic light-emitting element having high light-emitting efficiency and a long element lifetime, the organic light-emitting element including an anode, a cathode, and an organic compound layer placed between the anode and the cathode, in which: the organic compound layer includes an emission layer; the emission layer includes a host and a guest; the host is an aromatic hydrocarbon compound; the guest is an iridium complex of a specific structure; and a content of the host is 50 wt % or more with reference to the total amount of the constituent materials for the emission layer.Type: GrantFiled: January 20, 2014Date of Patent: March 13, 2018Assignee: Canon Kabushiki KaishaInventors: Takayuki Horiuchi, Kengo Kishino, Hirokazu Miyashita, Yosuke Nishide, Tetsuya Kosuge, Naoki Yamada, Jun Kamatani, Akihito Saitoh, Shigemoto Abe
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Patent number: 9899613Abstract: Provided is an organic light-emitting element having high light-emitting efficiency and a long element lifetime. Specifically, provided is an organic light-emitting element, including: an anode; a cathode; and an organic compound layer placed between the anode and the cathode, in which: the organic compound layer includes an emission layer; the emission layer includes at least a host and a guest; the guest is an iridium complex of a specific structure; the host is a heterocycle-containing compound; and a content of the host is 50 wt % or more with reference to a total amount of constituent materials for the emission layer.Type: GrantFiled: January 20, 2014Date of Patent: February 20, 2018Assignee: Canon Kabushiki KaishaInventors: Takayuki Horiuchi, Tetsuya Kosuge, Hirokazu Miyashita, Yosuke Nishide, Shigemoto Abe, Naoki Yamada, Jun Kamatani, Akihito Saitoh, Kengo Kishino
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Patent number: 9812646Abstract: A novel organic compound having high stability is provided. The organic compound is represented by Formula (1) described in claim 1: In Formula (1), R1 and R2 each independently selected from a hydrogen atom, Substituent group A, and Substituent group B shown in claim 1, wherein at least one of R1 and R2 is selected from Substituent group A or Substituent group B; and R11 and R12 of a substituent belonging to Substituent group A are each independently selected from Substituent group B.Type: GrantFiled: September 20, 2013Date of Patent: November 7, 2017Assignee: Canon Kabushiki KaishaInventors: Jun Kamatani, Shigemoto Abe, Tetsuya Kosuge, Takayuki Horiuchi, Yosuke Nishide, Hirokazu Miyashita, Kengo Kishino, Naoki Yamada, Akihito Saitoh
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Publication number: 20170133598Abstract: To provide a novel organic compound suitable for an organic light emitting device. This invention provides an organic compound having the skeleton represented by Formula (1).Type: ApplicationFiled: January 24, 2017Publication date: May 11, 2017Inventors: Jun Kamatani, Shigemoto Abe, Masashi Hashimoto, Naoki Yamada, Akihito Saitoh
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Patent number: 9601704Abstract: Provided is a long-lifetime organic light-emitting element having a good device lifetime characteristic. The organic light-emitting device includes: a pair of electrodes; and an organic compound layer placed between the pair of electrodes, in which the organic compound layer includes an iridium complex having a specific structure and a different kind of metal complex.Type: GrantFiled: February 4, 2014Date of Patent: March 21, 2017Assignee: Canon Kabushiki KaishaInventors: Hirokazu Miyashita, Kengo Kishino, Jun Kamatani, Shigemoto Abe, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Yosuke Nishide, Akihito Saitoh
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Patent number: 9590199Abstract: To provide a novel organic compound suitable for an organic light emitting device. This invention provides an organic compound having the skeleton represented by Formula (1).Type: GrantFiled: November 26, 2012Date of Patent: March 7, 2017Assignee: Canon Kabushiki KaishaInventors: Jun Kamatani, Shigemoto Abe, Masashi Hashimoto, Naoki Yamada, Akihito Saitoh
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Patent number: 9515270Abstract: Provided is an organic light emitting device having high emission efficiency and excellent driving durability. The organic light emitting device includes an anode, a cathode, and an organic compound layer disposed between the anode and the cathode, in which the organic compound layer includes an indolophenoxazine compound represented by the following general formula [1]: (in the formula [1], R1 to R4 each represents one of a hydrogen atom and an alkyl group having 1 to 4 carbon atoms, and n represents an integer of 0 to 3).Type: GrantFiled: November 25, 2011Date of Patent: December 6, 2016Assignee: Canon Kabushiki KaishaInventors: Tetsuya Kosuge, Jun Kamatani, Shigemoto Abe, Kengo Kishino