Patents by Inventor Katsuaki Kobayashi
Katsuaki Kobayashi 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: 20240136181Abstract: A semiconductor substrate includes a support substrate, a mask pattern located above the support substrate and including a mask portion, a seed portion locally located in a layer above the support substrate in a plan view, and a semiconductor part including a GaN-based semiconductor and located above the mask pattern to be in contact with the seed portion and the mask portion.Type: ApplicationFiled: February 24, 2022Publication date: April 25, 2024Applicant: KYOCERA CorporationInventors: Katsuaki MASAKI, Takeshi KAMIKAWA, Toshihiro KOBAYASHI, Yuichiro HAYASHI, Yuta AOKI
-
Publication number: 20240072198Abstract: A semiconductor substrate includes a heterogeneous substrate, a mask layer having an opening portion and a mask portion, a seed portion overlapping the opening portion, and a semiconductor layer including a GaN-based semiconductor and disposed on the seed portion and the mask portion. An upper surface of an effective portion of the semiconductor layer includes at least one low-level defective region with a size of 10 ?m in a first direction along a width direction of the opening portion and 10 ?m in a second direction orthogonal to the first direction, and a line defect is not measured by a CL method in the low-level defective region.Type: ApplicationFiled: December 28, 2021Publication date: February 29, 2024Applicant: KYOCERA CorporationInventors: Takeshi KAMIKAWA, Katsuaki MASAKI, Toshihiro KOBAYASHI, Yuichiro HAYASHI
-
Patent number: 8917060Abstract: A secondary cell control system includes a plurality of cells; a charging circuit section and a discharging circuit section. The charging circuit section charges cells selected from among said plurality of cells, and the discharging circuit section discharges cells selected from among said plurality of cells.Type: GrantFiled: June 30, 2009Date of Patent: December 23, 2014Assignees: Mitsubishi Heavy Industries, Ltd., Kyushu Electric Power Co., Inc.Inventors: Tetsuro Shigemizu, Takehiko Nishida, Katsuo Hashizaki, Hidehiko Tajima, Katsuaki Kobayashi, Kazuyuki Adachi, Shinji Murakami, Yoshihiro Wada, Hiroyuki Shibata, Kouji Kurayama
-
Patent number: 8901893Abstract: It is an object to effectively output electrical energy of a storage battery to an electrical power system serving as a whole distributed power supply system by effectively utilizing the electrical energy within a charging ratio range that does not cause overcharging or overdischarging of the storage battery. In a hybrid distributed power supply system, the target supply electrical power is set based on the electrical power generation output of the electrical power generator and the charging state of the storage battery, and the target supply electrical power is restricted within a predetermined permissible supply electrical power range when the target supply electrical power deviates from the predetermined permissible supply electrical power range.Type: GrantFiled: December 18, 2007Date of Patent: December 2, 2014Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Tetsuro Shigemizu, Takehiko Nishida, Katsuaki Kobayashi, Hidehiko Tajima
-
Patent number: 8729861Abstract: It is an object to provide a battery system whose life can be extended. A cell pack having at least one lithium secondary battery that uses a manganese-based cathode material and a control unit that controls charging and discharging of the cell pack are provided, and the control unit controls charging and discharging within a low-degradation voltage range that is set on the basis of a target cell degradation rate.Type: GrantFiled: March 31, 2008Date of Patent: May 20, 2014Assignees: Mitsubishi Heavy Industries, Ltd., Kyushu Electric Power Co., Inc.Inventors: Takehiko Nishida, Katsuaki Kobayashi, Tomoh Akiyama, Katsuo Hashizaki, Hidehiko Tajima, Kazuyuki Adachi, Shinji Murakami, Yoshihiro Wada, Hiroyuki Shibata, Kouji Kurayama
-
Patent number: 8463564Abstract: An abnormality prediction system for secondary batteries according to the present invention includes: a parameter value detection portion that detects parameter values each corresponding to each of a plurality of secondary batteries to determine whether all the parameter values are normal or not; and a singular state determination portion that determines, if a difference between a reference value calculated by use of all the parameter values determined to be normal by the parameter value detection portion and at least one of the parameter values is not less than a threshold value, the secondary battery corresponding to the parameter value with the difference not less than the threshold value to be in a state different from those of the other secondary batteries out of the plurality of secondary batteries.Type: GrantFiled: September 28, 2010Date of Patent: June 11, 2013Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Hitoshi Matsumura, Masazumi Ohishi, Masataka Uchida, Katsuaki Kobayashi, Tetsuro Shigemizu, Hidehiko Tajima
-
Patent number: 8217624Abstract: An object is to improve safety. Provided is a power storage system including a battery apparatus 1; a power converter 2 provided between the battery apparatus 1 and a load 3 and that can control power supplied from the battery apparatus 1 to the load 3; and a battery monitoring circuit 4 that detects an abnormality in the battery apparatus 1. When an abnormality in the battery apparatus 1 is detected by the battery monitoring circuit 4, the power converter 2 supplies power stored in the battery apparatus 1 to the load 3 or to an internally provided internal load at or below a current value or power value that is set in advance, or alternatively, at a current value or power value that the load 3 demands, within a range that does not exceed an upper limit that is set in advance.Type: GrantFiled: March 14, 2008Date of Patent: July 10, 2012Assignees: Mitsubishi Industries, Ltd., Kyushu Electric Power Co., Inc.Inventors: Takehiko Nishida, Katsuaki Kobayashi, Katsuo Hashizaki, Hidehiko Tajima, Kazuyuki Adachi
-
Publication number: 20110250477Abstract: Safety is ensured even when installed in mobile objects such as electric vehicles, deep-sea explorers, and so on. A battery module (10) provided with a plurality of battery packs (13) and a unit battery container (14) that houses these battery packs (13), wherein the unit battery container (14) includes a top-half housing (18), which is a lid, and a bottom-half housing (19) where the battery packs (13) are mounted, and wherein through-holes are formed in the bottom-half housing (19) so as to penetrate in the plate-thickness direction thereof at positions that face center portions of lower surfaces of the individual battery packs (13); branch pipes (23) are individually connected to the individual through-holes; these branch pipes (23) are connected to a single main pipe (25) that is provided with a liquid-leakage detecting sensor (24) at one end thereof; and the liquid-leakage detecting sensor (24) is connected to a liquid-leakage detecting device (27) via a signal cable (26).Type: ApplicationFiled: October 26, 2009Publication date: October 13, 2011Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Tadashi Yoshida, Katsuo Hashizaki, Masazumi Ohishi, Takehiko Nishida, Katsuaki Kobayashi
-
Publication number: 20110221394Abstract: A secondary cell control system includes a plurality of cells; a charging circuit section and a discharging circuit section. The charging circuit section charges cells selected from among said plurality of cells, and the discharging circuit section discharges cells selected from among said plurality of cells.Type: ApplicationFiled: June 30, 2009Publication date: September 15, 2011Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., KYUSHU ELECTRIC POWER CO., INC.Inventors: Tetsuro Shigemizu, Takehiko Nishida, Katsuo Hashizaki, Hidehiko Tajima, Katsuaki Kobayashi, Kazuyuki Adachi, Shinji Murakami, Yoshihiro Wada, Hiroyuki Shibata, Kouji Kurayama
-
Publication number: 20110077881Abstract: An abnormality prediction system for secondary batteries according to the present invention includes: a parameter value detection portion that detects parameter values each corresponding to each of a plurality of secondary batteries to determine whether all the parameter values are normal or not; and a singular state determination portion that determines, if a difference between a reference value calculated by use of all the parameter values determined to be normal by the parameter value detection portion and at least one of the parameter values is not less than a threshold value, the secondary battery corresponding to the parameter value with the difference not less than the threshold value to be in a state different from those of the other secondary batteries out of the plurality of secondary batteries.Type: ApplicationFiled: September 28, 2010Publication date: March 31, 2011Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Hitoshi Matsumura, Masazumi Ohishi, Masataka Uchida, Katsuaki Kobayashi, Tetsuro Shigemizu, Hidehiko Tajima
-
Publication number: 20100207580Abstract: It is an object to provide a battery system whose life can be extended. A cell pack having at least one lithium secondary battery that uses a manganese-based cathode material and a control unit that controls charging and discharging of the cell pack are provided, and the control unit controls charging and discharging within a low-degradation voltage range that is set on the basis of a target cell degradation rate.Type: ApplicationFiled: March 31, 2008Publication date: August 19, 2010Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., KYUSHU ELECTRIC POWER CO., INC.Inventors: Takehiko Nishida, Katsuaki Kobayashi, Tomoh Akiyama, Katsuo Hashizaki, Hidehiko Tajima, Kazuyuki Adachi, Shinji Murakami, Yoshihiro Wada, Hiroyuki Shibata, Kouji Kurayama
-
Publication number: 20100196749Abstract: Disclosed is a cell container offering improved vibration resistance and improved shock resistance as well as maintaining the battery performance and ensuring the reliability. Specifically disclosed is a cell container comprising: an insulative case (31) in which a plurality of unit cells are placed side by side; insulative wall portions (34) for partitioning between the plurality of unit cells; and support projections (35) projecting from at least either one of the case (31) or the wall portions (34) toward the unit cells to support the unit cells.Type: ApplicationFiled: February 20, 2009Publication date: August 5, 2010Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., KYUSHU ELECTRIC POWER CO., INC.Inventors: Tadashi Yoshida, Katsuo Hashizaki, Masazumi Ohishi, Takehiko Nishida, Katsuaki Kobayashi, Kazuyuki Adachi, Shinji Murakami, Yoshihiro Wada, Kouji Kurayama
-
Publication number: 20100176765Abstract: It is an object to effectively output electrical energy of a storage battery to an electrical power system serving as a whole distributed power supply system by effectively utilizing the electrical energy within a charging ratio range that does not cause overcharging or overdischarging of the storage battery. In a hybrid distributed power supply system, the target supply electrical power is set based on the electrical power generation output of the electrical power generator and the charging state of the storage battery, and the target supply electrical power is restricted within a predetermined permissible supply electrical power range when the target supply electrical power deviates from the predetermined permissible supply electrical power range.Type: ApplicationFiled: December 18, 2007Publication date: July 15, 2010Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Tetsuro Shigemizu, Takehiko Nishida, Katsuaki Kobayashi, Hidehiko Tajima
-
Publication number: 20100033135Abstract: An object is to improve safety. Provided is a power storage system including a battery apparatus 1; a power converter 2 provided between the battery apparatus 1 and a load 3 and that can control power supplied from the battery apparatus 1 to the load 3; and a battery monitoring circuit 4 that detects an abnormality in the battery apparatus 1. When an abnormality in the battery apparatus 1 is detected by the battery monitoring circuit 4, the power converter 2 supplies power stored in the battery apparatus 1 to the load 3 or to an internally provided internal load at or below a current value or power value that is set in advance, or alternatively, at a current value or power value that the load 3 demands, within a range that does not exceed an upper limit that is set in advance.Type: ApplicationFiled: March 14, 2009Publication date: February 11, 2010Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., KYUSHU ELECTRIC POWER CO., INC.Inventors: Takehiko Nishida, Katsuaki Kobayashi, Katsuo Hashizaki, Hidehiko Tajima, Kazuyuki Adachi
-
Publication number: 20020046036Abstract: It is to provide a business work administration support system which is able to support users A, B, C and D by doing the all or part of their works as utilizing a web hosting. As a method to provide the above, the business work administration support system comprises a client machine 1 and a main server S; and these are connected by a communication network 5. The main server S stores data necessary for business work processing sent from the client machine 1 and also contains programs for business work processing that are made to execute the business work processing. The client machine 1 has a browser that can display the process and result of the business work processing. Through the browser, the users A, B, C and D can observe the results of business work processing done by the main server S. The programs for business work processing are prepared by an architecture neutral language. Moreover, the client machine 1 and the main server S are designed to support to the program language.Type: ApplicationFiled: November 30, 2000Publication date: April 18, 2002Inventor: Katsuaki Kobayashi
-
Patent number: 6280854Abstract: The polymer electrode has a high energy density which is required in a secondary battery having a large charge capability. The polymer electrode includes an electrode composite material containing an active material containing at least three components of polyaniline, polypyrrole and a quinone compound, a conducting agent and a binder, and a collecting body in which the electrode composite material is carried.Type: GrantFiled: September 2, 1999Date of Patent: August 28, 2001Assignee: Mitsubishi Heavy Industries, Ltd.Inventors: Yoshiyuki Tasaka, Katsuhiro Hashitsume, Katsuaki Kobayashi, Kazumasa Kasagi