Patents by Inventor Takeshi Kodama
Takeshi Kodama 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: 20240405149Abstract: To improve the measurement accuracy. The present technology provides a light receiving device (1) including: a light transmitting part (11) that transmits emitted light emitted from a light emitting device; a light receiver (12) that receives incident light from outside; and a semiconductor substrate (13), in which a non-sensitive region (14) that does not sense light is formed between the light transmitting part (11) and the light receiver (12). Moreover, the present technology provides a manufacturing method for a light receiving device (1) including: stacking a light receiver (12) on one surface of a semiconductor substrate (13); etching a side on which the light receiver (12) is disposed into a ring shape; fixing the semiconductor substrate (13) to a permanent fixing substrate; etching an outer periphery and substantially a center portion of the light receiver (12); and removing the semiconductor substrate (13) from the permanent fixing substrate by laser lift off.Type: ApplicationFiled: September 14, 2022Publication date: December 5, 2024Inventors: HIIZU OHTORII, YUSUKE OYAMA, TAKESHI KODAMA, JUN SUZUKI, KEN KIKUCHI, NOBUTAKE IWASE, KENJI SATO
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Patent number: 11674505Abstract: A swash-plate type piston pump includes a cylinder block configured to be rotated with rotation of a driving shaft, a plurality of pistons accommodated in a plurality of cylinders provided in the cylinder block, a swash plate configured to reciprocate the piston so that a volume chamber of the cylinder is expanded/contracted with the rotation of the cylinder block, an biasing mechanism configured to bias the swash plate in a direction where a tilting angle is made larger, a control pin configured to drive the swash plate in a direction where the tilting angle is made smaller in accordance with a rise in a load pressure of a pressure chamber, and a discharge channel configured to discharge the load pressure of the pressure chamber.Type: GrantFiled: April 6, 2022Date of Patent: June 13, 2023Assignee: KYB CORPORATIONInventors: Tetsuya Iwanaji, Masaya Abe, Takeshi Kodama
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Patent number: 11637764Abstract: A method of an abnormality detection, the method including: calculating an occurrence degree of a packet loss in each of multiple queues on the basis of a first time period in which each of multiple processes that receives a packet is in a waiting state and an arrival frequency of a packet in each of the multiple queues that stores the packets received by the multiple processes; distributing the number of packet losses occurred in a communication device that includes the multiple queues to each of the multiple queues on the basis of the calculated occurrence degree; and determining whether or not an abnormality occurs in each of the multiple processes on the basis of a correspondence relationship between an operation state of each process and the number of packet losses distributed to the queue that corresponds to each process among the multiple queues for each of the multiple processes.Type: GrantFiled: June 28, 2021Date of Patent: April 25, 2023Assignee: FUJITSU LIMITEDInventors: Takeshi Kodama, Ken Yokoyama
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Publication number: 20220228578Abstract: A swash-plate type piston pump includes a cylinder block configured to be rotated with rotation of a driving shaft, a plurality of pistons accommodated in a plurality of cylinders provided in the cylinder block, a swash plate configured to reciprocate the piston so that a volume chamber of the cylinder is expanded/contracted with the rotation of the cylinder block, an biasing mechanism configured to bias the swash plate in a direction where a tilting angle is made larger, a control pin configured to drive the swash plate in a direction where the tilting angle is made smaller in accordance with a rise in a load pressure of a pressure chamber, and a discharge channel configured to discharge the load pressure of the pressure chamber.Type: ApplicationFiled: April 6, 2022Publication date: July 21, 2022Applicant: KYB CorporationInventors: Tetsuya IWANAJI, Masaya ABE, Takeshi KODAMA
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Patent number: 11319938Abstract: A swash-plate type piston pump includes a cylinder block configured to be rotated with rotation of a driving shaft, a plurality of pistons accommodated in a plurality of cylinders provided in the cylinder block, a swash plate configured to reciprocate the piston so that a volume chamber of the cylinder is expanded/contracted with the rotation of the cylinder block, an biasing mechanism configured to bias the swash plate in a direction where a tilting angle is made larger, a control pin configured to drive the swash plate in a direction where the tilting angle is made smaller in accordance with a rise in a load pressure of a pressure chamber, and a discharge channel configured to discharge the load pressure of the pressure chamber.Type: GrantFiled: March 31, 2017Date of Patent: May 3, 2022Assignee: KYB CORPORATIONInventors: Tetsuya Iwanaji, Masaya Abe, Takeshi Kodama
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Publication number: 20220070074Abstract: A method of an abnormality detection, the method including: calculating an occurrence degree of a packet loss in each of multiple queues on the basis of a first time period in which each of multiple processes that receives a packet is in a waiting state and an arrival frequency of a packet in each of the multiple queues that stores the packets received by the multiple processes; distributing the number of packet losses occurred in a communication device that includes the multiple queues to each of the multiple queues on the basis of the calculated occurrence degree; and determining whether or not an abnormality occurs in each of the multiple processes on the basis of a correspondence relationship between an operation state of each process and the number of packet losses distributed to the queue that corresponds to each process among the multiple queues for each of the multiple processes.Type: ApplicationFiled: June 28, 2021Publication date: March 3, 2022Applicant: FUJITSU LIMITEDInventors: TAKESHI KODAMA, Ken Yokoyama
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Publication number: 20210285430Abstract: A swash-plate type piston pump includes a cylinder block configured to be rotated with rotation of a driving shaft, a plurality of pistons accommodated in a plurality of cylinders provided in the cylinder block, a swash plate configured to reciprocate the piston so that a volume chamber of the cylinder is expanded/contracted with the rotation of the cylinder block, an biasing mechanism configured to bias the swash plate in a direction where a tilting angle is made larger, a control pin configured to drive the swash plate in a direction where the tilting angle is made smaller in accordance with a rise in a load pressure of a pressure chamber, and a discharge channel configured to discharge the load pressure of the pressure chamber.Type: ApplicationFiled: March 31, 2017Publication date: September 16, 2021Applicant: KYB CorporationInventors: Tetsuya IWANAJI, Masaya ABE, Takeshi KODAMA
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Publication number: 20190103501Abstract: A light-receiving device of an embodiment of the present disclosure includes, on a first principal surface of a semiconductor layer, a pixel region that includes a plurality of light-receiving pixels each receiving light incident from side of a second principal surface of the semiconductor layer. The light-receiving device further includes, throughout a gap between the second principal surface and the pixel region, a low-impurity region having a relatively lower impurity concentration than the pixel region. The light-receiving pixels each include one or a plurality of photoelectric current extraction regions each including, on the first principal surface, an anode region and a cathode region, and a circuit region that is electrically coupled to each of the cathode regions and is electrically separated from the impurity region.Type: ApplicationFiled: February 15, 2017Publication date: April 4, 2019Applicant: SONY CORPORATIONInventors: Takahiro IGARASHI, Takahiro SONODA, Atsushi SUZUKI, Shinya YAMAKAWA, Hiroshi YUMOTO, Izuho HATADA, Takeshi KODAMA, Kiwamu ADACHI, Katsuji MATSUMOTO
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Patent number: 10134662Abstract: A method of manufacturing a mounting substrate according to an embodiment of the present technology includes the following three steps: (1) a step of forming a plurality of electrodes on a semiconductor layer, and thereafter forming one of solder bumps at a position facing each of the electrodes; (2) a step of covering the solder bumps with a coating layer, and thereafter selectively etching the semiconductor layer with use of the coating layer as a mask to separate the semiconductor layer into a plurality of elements; and (3) a step of removing the coating layer, and thereafter mounting the elements on a wiring substrate to direct the solder bumps toward the wiring substrate, thereby forming the mounting substrate.Type: GrantFiled: September 8, 2015Date of Patent: November 20, 2018Assignee: Sony CorporationInventors: Kiwamu Adachi, Katsuji Matsumoto, Takeshi Kodama, Shuichi Oka, Hiizu Ootorii, Kazunari Saitou, Kei Satou
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Patent number: 9929199Abstract: There is provided a radiation detector including: a plurality of photoelectric conversion devices, each photoelectric conversion device formed at least partially within an embedding layer and having a light receiving surface situated at least partially outside of the embedding layer, and a plurality of scintillator crystals, at least a first scintillator crystal of the plurality of scintillator crystals in contact with at least one light receiving surface at a proximal end, wherein a cross-section of the first scintillator crystal at the proximal end is smaller than a cross-section of the first scintillator crystal at a distal end.Type: GrantFiled: August 21, 2014Date of Patent: March 27, 2018Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Takahiro Igarashi, Izuho Hatada, Takeshi Kodama, Kiwamu Adachi, Shuichi Oka, Shun Mitarai, Hiizu Ootorii, Shusaku Yanagawa, Katsuji Matsumoto
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Publication number: 20170287823Abstract: A method of manufacturing a mounting substrate according to an embodiment of the present technology includes the following three steps: (1) a step of forming a plurality of electrodes on a semiconductor layer, and thereafter forming one of solder bumps at a position facing each of the electrodes; (2) a step of covering the solder bumps with a coating layer, and thereafter selectively etching the semiconductor layer with use of the coating layer as a mask to separate the semiconductor layer into a plurality of elements; and (3) a step of removing the coating layer, and thereafter mounting the elements on a wiring substrate to direct the solder bumps toward the wiring substrate, thereby forming the mounting substrate.Type: ApplicationFiled: September 8, 2015Publication date: October 5, 2017Applicant: Sony CorporationInventors: Kiwamu Adachi, Katsuji Matsumoto, Takeshi Kodama, Shuichi Oka, Hiizu Ootorii, Kazunari Saitou, Kei Satou
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Patent number: 9691676Abstract: A semiconductor device includes a first semiconductor chip including a first surface and a plurality of first electrodes disposed on the first surface; a second semiconductor chip including a second surface which faces the first surface, a plurality of second electrodes each of which includes at least one end disposed on the second surface, and a plurality of first protrusions each of which surrounds the one end of each of the second electrodes on an electrode by electrode basis; a plurality of conductive joint materials each of which joins a third electrode included in the first electrodes to the one end of an electrode which faces the third electrode among the second electrodes; and a plurality of first underfill resins each of which is disposed inside one of the first protrusions and covers one of the conductive joint materials on a material by material basis.Type: GrantFiled: July 24, 2013Date of Patent: June 27, 2017Assignee: SOCIONEXT INC.Inventor: Takeshi Kodama
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Publication number: 20170161090Abstract: A communication control program for causing a computer to execute a process including: detecting setting of one-to-one communication between a first virtual machine and a second virtual machine generated in a common physical machine in configuration information including transmission destination information of communication data between ports of virtual switches; and setting, when the setting of the one-to-one communication is detected, a transmission buffer of the first virtual machine and a reception buffer of the second virtual machine to the same buffer area and setting a reception buffer of the first virtual machine and a transmission buffer of the second virtual machine to the same buffer area.Type: ApplicationFiled: October 26, 2016Publication date: June 8, 2017Applicant: FUJITSU LIMITEDInventor: TAKESHI KODAMA
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Patent number: 9515939Abstract: A communication device includes a buffer that stores transmission packets. The communication device monitors a free space of the layer 2 transmission buffer. The communication device changes a first window size that is notified from another communication device, to a second window size, based on the free space, and controls an inflow of the transmission packets to the layer 2 transmission buffer, in accordance with the second window size. By providing above-mentioned communication device and a packet control method, a reduction in a throughput caused by overflow in layer 2 transmission buffer is avoided.Type: GrantFiled: October 31, 2014Date of Patent: December 6, 2016Assignee: FUJITSU LIMITEDInventor: Takeshi Kodama
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Publication number: 20160261526Abstract: A communication apparatus includes: a memory; processors coupled to the memory; and a network interface card configured to distribute a received packet to one of the processors in accordance with a distribution rule, wherein one or more processors of the processors execute: a management process of managing a correspondence between a flow to which the received packet belongs and a distribution destination processor of the processors of the received packet determined in accordance with the distribution rule, a schedule process of allocating a process for the received packet to the one or more processors, and a setting process of setting for the schedule process so that the process for the received packet is allocated to the distribution destination processor of the received packet determined based on the correspondence.Type: ApplicationFiled: February 8, 2016Publication date: September 8, 2016Inventor: Takeshi KODAMA
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Publication number: 20160163754Abstract: There is provided a radiation detector including: a plurality of photoelectric conversion devices, each photoelectric conversion device formed at least partially within an embedding layer and having a light receiving surface situated at least partially outside of the embedding layer, and a plurality of scintillator crystals, at least a first scintillator crystal of the plurality of scintillator crystals in contact with at least one light receiving surface at a proximal end, wherein a cross-section of the first scintillator crystal at the proximal end is smaller than a cross-section of the first scintillator crystal at a distal end.Type: ApplicationFiled: August 21, 2014Publication date: June 9, 2016Inventors: Takahiro Igarashi, Izuho Hatada, Takeshi Kodama, Kiwamu Adachi, Shuichi Oka, Shun Mitarai, Hiizu Ootoril, Shusaku Yanagawa, Katsuji Matsumoto
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Patent number: 9345051Abstract: A terminal including: an antenna configured to transmit a first random access signal, when the terminal loses a synchronization with a base station, to the base station, and to transmit a second random access signal, when a response signal to the first random access signal is not received by the terminal, to the base station after a period, and a processor configured to obtain a detection result by detecting, when the terminal loses the synchronization with the base station, whether a communication is in progress or not, and to set the period based on the detection result.Type: GrantFiled: September 10, 2013Date of Patent: May 17, 2016Assignee: Fujitsu LimitedInventor: Takeshi Kodama
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Patent number: 9137783Abstract: A radio communication terminal device includes a storage unit that stores group information indicating a group of frequencies belonging to the same communication carrier, a communication-carrier searching unit that selects one of to-be-selected frequencies, the to-be-selected frequencies being frequencies at which radio waves arrive, and that searches for a communication carrier using the selected frequency on a basis of identification information received at the selected frequency, and a search-execution controlling unit that excludes, from the to-be-selected frequencies, another frequency that belongs to the group information including the selected frequency and that is other than the selected frequency.Type: GrantFiled: November 9, 2011Date of Patent: September 15, 2015Assignee: FUJITSU LIMITEDInventor: Takeshi Kodama
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Patent number: 9094879Abstract: To prevent throughput reduction during handover, the wireless communication system includes a wireless terminal and a plurality of wireless base stations communicating wirelessly with the wireless terminal and performs control to lower the speed at which the wireless terminal communicates with a communication party upon time-out of a timer value generated in accordance with the time required for transmission/reception of a signal between the wireless terminal and a communication party, wherein the wireless base station performs the control to lower the speed of the communication with the wireless terminal so as to increase the timer value when the wireless base station decides execution of the handover of the communication with the wireless terminal to another wireless base station autonomously or in response to a request from the wireless terminal, and subsequently, executes the handover.Type: GrantFiled: June 2, 2009Date of Patent: July 28, 2015Assignee: FUJITSU LIMITEDInventors: Takeshi Kodama, Tetsumei Tsuruoka
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Patent number: 9088927Abstract: A radio communication terminal including: a processor configured to communicate, when a reception quality of a radio signal of the base station is lower than a threshold value and when a first group identification information identifying a base station group to which the base station belongs is not received from the base station, to each of neighbor base stations sequentially in an intermittent reception period, to specify a specified neighbor base station of the neighbor base stations, the specified neighbor base station belonging to the base station group, based on whether a second group identification information is received from each of the neighbor base stations or not and based on the first group identification and the second group identification are same or not, to select the specified base station preferentially to which the terminal is to hand over, among the neighbor base stations.Type: GrantFiled: June 5, 2013Date of Patent: July 21, 2015Assignee: FUJITSU LIMITEDInventor: Takeshi Kodama