Patents by Inventor Akihiro Senoo

Akihiro Senoo 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).

  • Publication number: 20220011847
    Abstract: An information processing apparatus includes: a memory; and a processor coupled to the memory and configured to: measure power consumption of the processor; measure performance of the processor; detect a decrease in power efficiency of the processor, based on the power consumption of the processor measured during execution of a program; in response to detection of a decrease in the power efficiency, execute the program while changing an operation parameter of the processor; and determine a setting value of the operation parameter, based on the power consumption and the performance of the processor that are measured during execution of the program while the operation parameter is being changed.
    Type: Application
    Filed: May 24, 2021
    Publication date: January 13, 2022
    Applicant: FUJITSU LIMITED
    Inventor: Akihiro SENOO
  • Patent number: 10541260
    Abstract: An organic photoelectric conversion element includes an anode, a cathode, and a photoelectric conversion portion between the anode and the cathode. The photoelectric conversion portion includes a first organic compound layer containing an organic compound. Also, a second organic compound layer is disposed between the cathode and the photoelectric conversion portion. The second organic compound layer contains an organic compound having an ionization potential of 5.1 eV or less and a band gap of 2.5 eV or more.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: January 21, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Jun Kamatani, Naoki Yamada, Masumi Itabashi, Yosuke Nishide, Hirokazu Miyashita, Tetsuya Kosuge, Satoru Shiobara, Tetsuo Takahashi, Akihiro Senoo, Kentaro Ito, Satoshi Ota
  • Publication number: 20180108691
    Abstract: An organic photoelectric conversion element includes an anode, a cathode, and a photoelectric conversion portion between the anode and the cathode. The photoelectric conversion portion includes a first organic compound layer containing an organic compound. Also, a second organic compound layer is disposed between the cathode and the photoelectric conversion portion. The second organic compound layer contains an organic compound having an ionization potential of 5.1 eV or less and a band gap of 2.5 eV or more.
    Type: Application
    Filed: May 24, 2016
    Publication date: April 19, 2018
    Inventors: Jun Kamatani, Naoki Yamada, Masumi Itabashi, Yosuke Nishide, Hirokazu Miyashita, Tetsuya Kosuge, Satoru Shiobara, Tetsuo Takahashi, Akihiro Senoo, Kentaro Ito, Satoshi Ota
  • Patent number: 8623619
    Abstract: The present invention provides a method of improving efficiency of a fermentative production of an L-amino acid.
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: January 7, 2014
    Assignee: Kyowa Hakko Bio Co., Ltd.
    Inventors: Kazuhiko Tabata, Akihiro Senoo
  • Patent number: 8404363
    Abstract: It is an object of the present invention to provide an organic light emitting device having a long-life optical output. The organic light emitting device according to the present invention is provided with an emission layer including at least a host material, a light emitting material, and another material, wherein the another material has a smaller ionization potential than and almost the same hole mobility as or a greater hole mobility than an ionization potential and a hole mobility of a compound which forms an emission layer-side-interface.
    Type: Grant
    Filed: December 21, 2010
    Date of Patent: March 26, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Keiji Okinaka, Akihito Saitoh, Naoki Yamada, Masataka Yashima, Koichi Suzuki, Akihiro Senoo, Kazunori Ueno
  • Patent number: 8318395
    Abstract: Provided is a novel dibenzo[a,c]anthracene compound having substituents, which can be used in an organic light emitting device.
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: November 27, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihito Saitoh, Keiji Okinaka, Satoshi Igawa, Jun Kamatani, Naoki Yamada, Masashi Hashimoto, Masanori Muratsubaki, Takao Takiguchi, Akihiro Senoo, Shinjiro Okada, Minako Nakasu
  • Patent number: 8304096
    Abstract: Provided are a novel fused polycyclic aromatic compound having a fluoranthene skeleton and an organic light emitting device having high efficiency and high durability. The organic light emitting device includes a fused polycyclic aromatic compound represented by the following general formula [1] or [2], and the organic light emitting device includes an anode, a cathode, an organic compound layer interposed between the anode and the cathode, in which at least one layer of the organic compound layers includes at least one kind of the fused polycyclic aromatic compound represented by the following general formula [1] or [2].
    Type: Grant
    Filed: July 9, 2009
    Date of Patent: November 6, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Taiki Watanabe, Koichi Suzuki, Kazunori Ueno, Koichi Nakata, Takayuki Ito, Hiroki Ohrui, Akihiro Senoo, Naoki Yamada
  • Patent number: 8288018
    Abstract: An amino compound for an organic light-emitting device of general formula [1]: wherein X1 is bonded to the pair of fluorenyl groups at meta-positions to each other and is substituted or unsubstituted aromatic ring, fused polycyclic ring, or heterocyclic ring; Y1 and Y2 are each substituted or unsubstituted alkyl, aryl, or heterocyclic and are the same or different; Z1 to Z4 are each hydrogen, halogen, or substituted or unsubstituted alkyl, aralkyl, alkenyl, alkynyl, alkoxy, aryl, or heterocyclic and are the same or different; R1 to R4 are each hydrogen, halogen, or substituted or unsubstituted alkyl, aryl, or heterocyclic and are the same or different; a and d are each 1 to 4; and b and c are each 1 to 3.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: October 16, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shigemoto Abe, Akihiro Senoo, Naoki Yamada, Chika Negishi
  • Patent number: 8187843
    Abstract: According to the present invention, it is possible to provide a microorganism belonging to the genus Corynebacterium, wherein the activity of (1) a protein having the amino acid sequence shown by any one of SEQ ID NO:1 to 3, or (2) a protein having a homology of 80% or more to the amino acid sequence shown by any one of SEQ ID NO:1 to 3, and having substantially the same activity as the activity of a protein having the amino acid sequence shown by any one of SEQ ID NO:1 to 3, has been reduced or lost, and wherein the activity of (3) a protein having the amino acid sequence shown by SEQ ID NO:4, or (4) a protein having a homology of 80% or more to the amino acid sequence shown by SEQ ID NO:4, and having substantially the same activity as the activity of a protein having the amino acid sequence shown by SEQ ID NO:4, has been reduced or lost, and a process for producing L-glutamine using the microorganism and the like.
    Type: Grant
    Filed: August 30, 2007
    Date of Patent: May 29, 2012
    Assignee: Kyowa Hakko Bio Co., Ltd.
    Inventors: Yugo Adachi, Mikiro Hayashi, Akihiro Senoo, Yoshiyuki Yonetani, Shin-ichi Hashimoto
  • Patent number: 8129899
    Abstract: A novel azafluorene derivative and an organic light-emitting device having the derivative are provided. The organic light-emitting device includes a pair of electrodes composed of an anode and a cathode one of which is a transparent or semi-transparent electrode, and an organic compound layer interposed between the pair of electrodes.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: March 6, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuya Kosuge, Akihiro Senoo, Hiroki Ohrui, Masanori Muratsubaki
  • Publication number: 20120049176
    Abstract: A novel azafluorene derivative and an organic light-emitting device having the derivative are provided. The organic light-emitting device includes a pair of electrodes composed of an anode and a cathode one of which is a transparent or semi-transparent electrode, and an organic compound layer interposed between the pair of electrodes.
    Type: Application
    Filed: November 4, 2011
    Publication date: March 1, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: TETSUYA KOSUGE, AKIHIRO SENOO, HIROKI OHRUI, MASANORI MURATSUBAKI
  • Patent number: 8110685
    Abstract: A novel azafluorene derivative and an organic light-emitting device having the derivative are provided. The organic light-emitting device includes a pair of electrodes composed of an anode and a cathode one of which is a transparent or semi-transparent electrode, and an organic compound layer interposed between the pair of electrodes.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: February 7, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuya Kosuge, Akihiro Senoo, Hiroki Ohrui, Masanori Muratsubaki
  • Publication number: 20120015409
    Abstract: The present invention provides a method of improving efficiency of a fermentative production of an L-amino acid.
    Type: Application
    Filed: February 9, 2010
    Publication date: January 19, 2012
    Applicant: KYOWA HAKKO BIO CO., LTD.
    Inventors: Kazuhiko Tabata, Akihiro Senoo
  • Patent number: 8072137
    Abstract: To provide a material for an organic light emitting device showing a light emission hue with an extremely good purity and outputting light having high luminance and a long lifetime with high efficiency, the present invention relates to a fused heterocyclic compound having at least one partial structure represented by the following general formula [1].
    Type: Grant
    Filed: July 31, 2007
    Date of Patent: December 6, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroki Ohrui, Shinjiro Okada, Akihiro Senoo, Naoki Yamada, Masanori Muratsubaki
  • Publication number: 20110282063
    Abstract: The present invention provides a novel diazafluorene compound for manufacturing a 4,5-diazafluorene derivative. The diazafluorene compound is represented by the general formula (1): wherein R1 and R2 each represent a hydrogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group, and may be the same or different from each other; and X1 and X2 each represent a halogen atom, and may be the same or different from each other.
    Type: Application
    Filed: July 21, 2011
    Publication date: November 17, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hiroki Ohrui, Akihiro Senoo, Tetsuya Kosuge
  • Patent number: 8034944
    Abstract: There are provided a novel benzofluoranthene compound and an organic light-emitting device which uses the benzofluoranthene compound, gives a blue emission hue with extremely good purity, and has an optical output with a high efficiency, a high luminance, and a long life. Specifically, there are provided a benzofluoranthene compound represented by the general formula shown below and an organic light-emitting device including a pair of electrodes including an anode and a cathode one of which is a transparent or translucent electrode material, and an organic compound layer disposed between the pair of electrodes and including a material for an organic light-emitting device containing the benzofluoranthene compound. In the general formula (1), one of X1, X2, X3, X4, X5, and X6 represents a substituted or unsubstituted fused heterocyclic group having four or less rings, and the others of X1, X2, X3, X4, X5, and X6 each represent a hydrogen atom.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: October 11, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroki Ohrui, Akihito Saitoh, Chika Negishi, Hironobu Iwawaki, Masanori Muratsubaki, Hiroyuki Tomono, Tetsuya Kosuge, Akihiro Senoo
  • Patent number: 8026664
    Abstract: To provide a novel fluoranthene derivative and an organic light emitting device having the fluoranthene derivative.
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: September 27, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihito Saitoh, Keiji Okinaka, Satoshi Igawa, Jun Kamatani, Naoki Yamada, Masashi Hashimoto, Masanori Muratsubaki, Takao Takiguchi, Akihiro Senoo, Shinjiro Okada, Minako Nakasu
  • Publication number: 20110198576
    Abstract: An amino compound for an organic light-emitting device of general formula [1]: wherein X1 is bonded to the pair of fluorenyl groups at meta-positions to each other and is substituted or unsubstituted aromatic ring, fused polycyclic ring, or heterocyclic ring; Y1 and Y2 are each substituted or unsubstituted alkyl, aryl, or heterocyclic and are the same or different; Z1 to Z4 are each hydrogen, halogen, or substituted or unsubstituted alkyl, aralkyl, alkenyl, alkynyl, alkoxy, aryl, or heterocyclic and are the same or different; R1 to R4 are each hydrogen, halogen, or substituted or unsubstituted alkyl, aryl, or heterocyclic and are the same or different; a and d are each 1 to 4; and b and c are each 1 to 3.
    Type: Application
    Filed: April 27, 2011
    Publication date: August 18, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Shigemoto Abe, Akihiro Senoo, Naoki Yamada, Chika Negishi
  • Patent number: 7998597
    Abstract: To provide an organic light emitting device having high efficiency and high luminance by making a contrivance to suppress the leakage of an electron or of an exciton, an organic light emitting device of the present invention includes two hole transporting layers having tertiary amine compounds different from each other in structure.
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: August 16, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihito Saitoh, Keiji Okinaka, Satoshi Igawa, Jun Kamatani, Naoki Yamada, Masashi Hashimoto, Masanori Muratsubaki, Takao Takiguchi, Akihiro Senoo, Shinjiro Okada, Minako Nakasu
  • Patent number: 7982213
    Abstract: A novel phenanthroline compound is provided which is represented by the general formula [I]: (wherein R1, R2, R3, R4, R5 and R6 are the same or different and each is selected from a hydrogen atom, an unsubstituted or substituted alkyl group, an unsubstituted or substituted aralkyl group, an unsubstituted or substituted aryl group, an unsubstituted or substituted heterocyclic group, and a halogen atom; and Ar1 and Ar2 are the same or different and each is selected from an unsubstituted or substituted fluorenyl group, an unsubstituted or substituted fluoranthenyl group, an unsubstituted or substituted perylenyl group, and an unsubstituted or substituted carbazolyl group). An organic light emitting device using the phenanthroline compound is also provided that has a light output with a high efficiency and a high luminance and has a high long-term durability.
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: July 19, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Maki Okajima, Tatsundo Kawai, Takao Takiguchi, Koichi Suzuki, Akihiro Senoo, Toshinori Hasegawa, Keiji Okinaka