Patents by Inventor Masato Sakuma

Masato Sakuma 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).

  • Patent number: 10403936
    Abstract: A storage cell control system configured to perform charge/discharge control for a plurality of storage cells under control based on a power adjustment request from a power system includes: a power storage capacity calculating means configured to calculate a current power storage capacity of the storage cell based on storage cell information of the storage cell; a target power storage capacity setting means configured to set a target power storage capacity in stopping an operation of the storage cell; a capacity degradation speed calculating means configured to calculate a current capacity degradation speed and a target capacity degradation speed with respect to each power storage capacity by applying the current power storage capacity and the target power storage capacity to capacity degradation speed correlation information set in advance; and a power distributing means configured to distribute power to the plurality of storage cells in such a manner that when it is assumed that t is an elapsed time from st
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: September 3, 2019
    Assignee: NEC Corporation
    Inventors: Kenji Kobayashi, Masato Yano, Suguru Watanabe, Hisato Sakuma, Koji Kudo
  • Publication number: 20190145667
    Abstract: Since improving heat exchange between a gas-phase refrigerant and a liquid-phase refrigerant in a refrigeration system could instead result in a reduction in the efficiency of the whole refrigeration system, a heat exchange device (201) of the present invention includes: a refrigerant supply means (210) for supplying a first-temperature liquid-phase refrigerant (R11) and a second-temperature gas-phase refrigerant (R12) in one circulation system; a plurality of heat exchange means (220A, 220B) which are each configured so as to perform heat exchange between the liquid-phase refrigerant and the gas-phase refrigerant; and refrigerant circulation means (231, 232, 242) for circulating the gas-phase refrigerant (R12) in such a manner that the gas-phase refrigerant (R12) flows in parallel in the plurality of heat exchange means, and circulating the liquid-phase refrigerant (R11) in such a manner that the liquid-phase refrigerant (R11) flows in series in the plurality of heat exchange means.
    Type: Application
    Filed: March 23, 2017
    Publication date: May 16, 2019
    Applicant: NEC CORPORATION
    Inventors: Arihiro MATSUNAGA, Minoru YOSHIKAWA, Hisato SAKUMA, Masato YANO, Asuka MATSUBA, Takafumi NATSUMEDA
  • Patent number: 5147931
    Abstract: A thermoplastic resin composition which comprises 1 to 98 parts by weight of polyolefin (A), 1 to 49 parts by weight of modified polyolefin (B) obtained by reacting a polyolefin with an unsaturated carboxylic acid or a derivative thereof, 1 to 98 parts by weight of polyamide (C) [provided that (A)+(B)+(C)=100 parts by weight], 5 to 50 parts by weight of modified ethylene-.alpha.-olefin copolymer (D) obtained by reacting a low-crystalline ethylene-.alpha.-olefin copolymer with an unsaturated carboxylic acid or its derivative, and a metal compound (E) in an amount of 0.5 to 5 times the molar quantity of the acid added to said component (B) and said component (D).The thermoplastic resin composition is preferably used for producing products excellent in both impact resistance and surface luster.
    Type: Grant
    Filed: June 14, 1991
    Date of Patent: September 15, 1992
    Assignee: Tonen Sekiyukageku, K.K.
    Inventors: Masato Sakuma, Yuji Fujita, Kissho Kitano, Yukihiko Yagi, Masao Sakaizawa, Noburo Yamamoto
  • Patent number: 5106564
    Abstract: Fiber-reinforced polymer compositions containing resin components including (a) 30-90 weight % of polyamide resins, and (b) 10-70 weight % of polyolefins+unsaturated carboxylic acid-modified polyolefins, based on the resin components; and (c) 5-50 parts by weight of glass fibers per 100 parts by weight of the total compositions, a molar ratio of end amino groups in the polyamide resins to carboxyl groups in the modified polyolefins being 10-1000. The compositions have a morphology in which polyolefin domains having an average size of 0.5-5 .mu.m are uniformly dispersed in polyamide matrix phases.
    Type: Grant
    Filed: January 4, 1991
    Date of Patent: April 21, 1992
    Assignees: Tonen Sekiyukagaku Kabushiki Kaisha, Nippondenso Co., Ltd.
    Inventors: Kunio Iwanami, Kissho Kitano, Kiyotada Narukawa, Kenichi Aoki, Yukihiko Yagi, Masato Sakuma, Takashi Mikami, Masami Esaki, Fumio Kato, Koji Egashira, Hiroyuki Wakabayashi
  • Patent number: 5106893
    Abstract: A fiber-reinforced polymer composition containing resin components including (a) 30-90 weight % of a polyamide resin, and (b) 10-70 weight % of polyolefin+unsaturated carboxylic acid-modified polyolefin, based on the resin components; and, per 100 parts by weight of the total components, (c) 5-50 parts by weight of glass fibers, and (d) additives including the following set of additives: 0.1-1 parts by weight of N,N'-hexamethylene-bis (3,5-di-tert-butyl-4-hydroxy-hydrocinnamide); 0.1-1 parts by weight of triethylene glycol-bis [3-(3-tert-butyl-5-methyl-4-hydroxyphenyl) propionate]; and 0.1-1 parts by weight of pentaerythrityl-tetrakis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate]. An alternative set of additives are 0.1-2 parts by weight of N,N'-bis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionyl] hydrazine; 0.05-0.5 parts by weight of pentaerythrityl-tetrakis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate]; 0.05-0.5 parts by weight of distearyl-pentaerythritol diphosphite; and 0.
    Type: Grant
    Filed: February 7, 1991
    Date of Patent: April 21, 1992
    Assignees: Tonen Sekiyukagaku Kabushiki Kaisha, Nippondenso Co., Ltd.
    Inventors: Kunio Iwanami, Kissho Kitano, Kiyotada Narukawa, Masato Sakuma, Takashi Mikami, Masami Esaki, Koji Egashira, Hiroyuki Wakabayashi, Fumio Kato
  • Patent number: 5037908
    Abstract: An improved process for polymerizing butene-1 in the presence of a polymerization catalyst composed of (a) a catalyst component containing titanium and halogen as essential constituents and (b) an organometallic compound, wherein the improvement comprises bringing said catalyst component into contact with an activity inhibitor when said catalyst component is activated or after said catalyst component has been activated with said organometallic compound, and subsequently polymerizing butene-1.
    Type: Grant
    Filed: December 19, 1985
    Date of Patent: August 6, 1991
    Assignee: Toa Nenryo Kogyo K.K.
    Inventors: Mamoru Tachikawa, Satoshi Ueki, Masato Sakuma, Makoto Miyazaki
  • Patent number: 5013789
    Abstract: A process for producing a thermoplastic resin composition which comprises preparing a component composed of 1 to 49 parts by weight of modified polyolefin (A) obtained by adding an unsaturated carboxylic acid or a derivative thereof to a polyolefin, 1 to 98 parts by weight of polyolefin (B), and 1 to 98 parts by weight of polyamide (C) [provided that (A)+(B)+(C)=100 parts by weight], mixing the component or its molten component with a metal compound (D) in an amount of 0.5 to 5 times the molar quantity of the acid added to the modified polyolefin (A), and subsequently melt-mixing the mixture. The thermoplastic resin composition prepared by this process is preferably used for providing products improved in both surface luster and mechanical strengths.
    Type: Grant
    Filed: December 16, 1988
    Date of Patent: May 7, 1991
    Assignee: Tonen Sekiyukagaku
    Inventors: Masato Sakuma, Yuji Fujita, Kissho Kitano, Yukihiko Yagi, Masao Sakaizawa, Noburo Yamamoto
  • Patent number: 4990550
    Abstract: Fiber-reinforced polymer compositions containing resin components including (a) 30-90 weight % of polyamide resins, and (b) 10-70 weight % of polyolefins+unsaturated carboxylic acid-modified polyolefins, based on the resin components; and (c) 5-50 parts by weight of glass fibers per 100 parts by weight of the total compositions, a molar ratio of end amino groups in the polyamide resins to carboxyl groups in the modified polyolefins being 10-1000. The compositions have a morphology in which polyolefin domains having an average size of 0.5-5 .mu.m are uniformly dispersed in polyamide matrix phases.
    Type: Grant
    Filed: March 20, 1989
    Date of Patent: February 5, 1991
    Assignees: Tonen Sekiyukagaku Kabushiki Kaisha, Nippondenso Co., Ltd.
    Inventors: Kunio Iwanami, Kissho Kitano, Kiyotada Narukawa, Kenichi Aoki, Yukihiko Yagi, Masato Sakuma, Takashi Mikami, Masami Esaki, Fumio Kato, Koji Egashira, Hiroyuki Wakabayashi
  • Patent number: 4849483
    Abstract: A process for producing a catalyst component for polymerization of olefins which comprises contacting (a) a metal oxide with (b) a magnesium alkoxide, contacting the resulting contact product with (c) a halogen-containing compound, and finally contacting the resulting contact product with (d) a titanium compound.
    Type: Grant
    Filed: April 16, 1987
    Date of Patent: July 18, 1989
    Assignee: Toa Nenryo Kogyo K.K.
    Inventors: Mamoru Tachikawa, Masato Sakuma, Satoshi Ueki, Chihiro Imai, Tokuo Makishima
  • Patent number: 4737555
    Abstract: A process for producing a catalyst component for polymerization of olefins which comprises contacting (a) a metal oxide with (b) an organomagnesium compound represented by the formula RMgR' wherein R denotes a hydrocarbyl group and R' denotes a hydrocarbyl group or a halogen atom, contacting the resulting contacting product with (c) carbon dioxide, and further contacting the resulting contact product with (d) a titanium compound. Optionally, the carbon dioxide contacted contact product can be treated with the halogen-containing compound prior to contact with the titanium compound.
    Type: Grant
    Filed: April 22, 1987
    Date of Patent: April 12, 1988
    Assignee: Toa Nenryo Kogyo Kabushiki Kaisha
    Inventors: Mamoru Tachikawa, Satoshi Ueki, Masato Sakuma, Chihiro Imai, Tokuo Makishima
  • Patent number: 4686199
    Abstract: A process for producing a catalyst component for polymerization of olefins which comprises contacting (a) a metal oxide with (b) a magnesium alkoxide, contacting the resulting contact product with (c) a halogen-containing compound, and finally contacting the resulting contact product with (d) a titanium compound.
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: August 11, 1987
    Assignee: Toa Nenryo Kogyo Kabushiki Kaisha
    Inventors: Mamoru Tachikawa, Masato Sakuma, Satoshi Ueki, Chihiro Imai, Tokuo Makishima
  • Patent number: 4678767
    Abstract: A process for producing a catalyst component for polymerization of olefins which comprises contacting (a) a metal oxide with (b) an organomagnesium compound represented by the formula RMgR' wherein R denotes a hydrocarbyl group and R' denotes a hydrocarbyl group or a halogen atom, contacting the resulting contacting product with (c) carbon dioxide, and further contacting the resulting contact product with (d) a titanium compound. Optionally, the carbon dioxide contacted product can be treated with the halogen-containing compound prior to contact with the titanium compound.
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: July 7, 1987
    Assignee: Toa Nenryo Kogyo Kabushiki Kaisha
    Inventors: Mamoru Tachikawa, Satoshi Ueki, Masato Sakuma, Chihiro Imai, Tokuo Makishima