Patents by Inventor Takashi Isobe
Takashi Isobe 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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Patent number: 9118609Abstract: In communication using TCP, since the transmission bandwidth is significantly influenced by RTT and discard rate, there was a problem that only the transmission bandwidth significantly lower than the contracted bandwidth could be obtained under the environment such as WAN causing large RTT, large hop number and many discarded segments. There is provided an apparatus connected to a receiving side terminal having a means for feeding back to notify all discarded segments to an apparatus connected to a transmitting side terminal; a means for retransmitting the discarded segments fed back to be notified to the apparatus connected to the transmitting side terminal; and a means for controlling transmission bandwidth, based on retransmission bandwidth and discard bandwidth by the apparatus connected to the transmitting side terminal.Type: GrantFiled: November 7, 2013Date of Patent: August 25, 2015Assignee: HITACHI, LTD.Inventor: Takashi Isobe
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Publication number: 20150235391Abstract: An information input/display device including: a sensor detecting contact and outputting contact positions; a display unit displaying video signals each corresponding to one screen; a first drawing unit generating first video signals each corresponding to one screen, when displayed, that includes an image of a drawing of a continuous line formed by the contact positions; a second drawing unit generating second video signals each corresponding to an image of the drawing of the continuous line, the second drawing unit generating images of the drawing of the continuous line at a higher speed than the first drawing unit; and an adding unit adding each of the second video signals to a corresponding one of the first video signals. Images of the drawing of the continuous line generated by at least one of the first drawing unit and the second drawing unit change as time elapses in drawing processing.Type: ApplicationFiled: April 18, 2014Publication date: August 20, 2015Applicant: PANASONIC CORPORATIONInventors: Hiroyasu Makino, Hiroto Yanagawa, Takashi Isobe
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Patent number: 9111891Abstract: EL display device with long lifetime for electrons being injected into a light-emission layer at a high rate, and method of manufacturing the EL display device are provided. The EL display device includes: base; pixel electrode on the base; auxiliary wiring on the base, the auxiliary wiring not overlapping with the pixel electrode; light-emission layer above the pixel electrode; charge transport layer above the auxiliary wiring and the pixel electrode, the charge transport layer continuously extending over the auxiliary wiring and the pixel electrode; and common electrode on the charge transport layer, the common electrode continuously extending over the auxiliary wiring and connected with the auxiliary wiring. The common electrode includes at least one metal selected from a group consisting of alkali metals and alkaline-earth metals.Type: GrantFiled: January 30, 2013Date of Patent: August 18, 2015Assignee: JOLED INC.Inventor: Takashi Isobe
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Publication number: 20150113473Abstract: An electronic device that increases both visibility and selectability of executable programs. The electronic device includes a touch panel display having an elongated shape, a memory storing programs, and a processor controlling program execution and the display. The touch panel includes a first display region and a second display region contiguous with and narrower than the first display region. The display displays an execution image of a first program in the first display region and an icon image of a second program in the second display region in a smaller display area than the execution image. When the processor detects contact at the icon image and detects that the contact moves towards the first display region, the processor causes the display to display an execution image of the second program in the first display region.Type: ApplicationFiled: January 6, 2015Publication date: April 23, 2015Applicant: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICAInventors: Yu OTSUKA, Hiroshi FUJITA, Kazuhiro AIHARA, Goro HISATAKE, Takashi ISOBE
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Patent number: 9000430Abstract: To provide a device whose life is less likely to be reduced by deterioration of a light-emitting layer material, an EL display device includes: a pixel electrode, for each pixel, above a substrate; auxiliary wiring in a different region, above the substrate, from the pixel electrode; a transition metal oxide layer on the pixel electrode and the auxiliary wiring; a light-emitting layer in a region, above the transition metal oxide layer, corresponding to the pixel; a common electrode continuously above the auxiliary wiring and the light-emitting layer, and electrically connected to the auxiliary wiring; and a material deterioration suppressing layer continuously on a portion of the transition metal oxide layer above the auxiliary wiring and the light-emitting layer, mainly containing barium, and having a thickness equal to or greater than a size of a single barium atom and smaller than 10 nm.Type: GrantFiled: November 16, 2012Date of Patent: April 7, 2015Assignee: Panasonic CorporationInventor: Takashi Isobe
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Publication number: 20150029861Abstract: There is provided a communication device for controlling an upper limit bandwidth of TCP communication for transmission. There is further provided a communication device for enhancing a communication bandwidth for TCP and restricting it to an upper limit for transmission by use of new TCP for enhancing a communication bandwidth. The device comprises a transmission bandwidth control unit for determining a communication bandwidth of each session of TCP or new TCP, a token bucket update unit for determining whether packets are transmittable per session, and a maximum bandwidth control unit for determining whether packets are transmittable based on an upper limit of a total sum of all the set sessions, wherein when the maximum bandwidth control unit determines that packets are transmittable, the token bucket update unit transmits packets of a session determined as transmittable.Type: ApplicationFiled: November 12, 2012Publication date: January 29, 2015Inventors: Takeki Yazaki, Takashi Isobe
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Publication number: 20150008414Abstract: EL display device with long lifetime for electrons being injected into a light-emission layer at a high rate, and method of manufacturing the EL display device are provided. The EL display device includes: base; pixel electrode on the base; auxiliary wiring on the base, the auxiliary wiring not overlapping with the pixel electrode; light-emission layer above the pixel electrode; charge transport layer above the auxiliary wiring and the pixel electrode, the charge transport layer continuously extending over the auxiliary wiring and the pixel electrode; and common electrode on the charge transport layer, the common electrode continuously extending over the auxiliary wiring and connected with the auxiliary wiring. The common electrode includes at least one metal selected from a group consisting of alkali metals and alkaline-earth metals.Type: ApplicationFiled: January 30, 2013Publication date: January 8, 2015Inventor: Takashi Isobe
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Publication number: 20140355442Abstract: A communication device that controls a transmission bandwidth of TCP communication includes a means for linearly increasing the transmission bandwidth of the TCP communication during a certain period of time after a data segment whose reception has been acknowledged enters an update state without detection of congestion in the TCP communication, a means for non-linearly increasing the transmission bandwidth after the certain period of time, a means for detecting congestion using a change rate of a discarding rate or a retransmission rate in the TCP communication, a means for estimating a retransmission rate and a change rate thereof using a previous history of the transmission bandwidth and a retransmission bandwidth, and a means for estimating a discarding rate and a change rate thereof using a previous history of the transmission bandwidth and an ACK reception number.Type: ApplicationFiled: October 26, 2012Publication date: December 4, 2014Applicant: HITACHI, LTD.Inventor: Takashi Isobe
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Publication number: 20140312337Abstract: To provide a device whose life is less likely to be reduced by deterioration of a light-emitting layer material, an EL display device includes: a pixel electrode, for each pixel, above a substrate; auxiliary wiring in a different region, above the substrate, from the pixel electrode; a transition metal oxide layer on the pixel electrode and the auxiliary wiring; a light-emitting layer in a region, above the transition metal oxide layer, corresponding to the pixel; a common electrode continuously above the auxiliary wiring and the light-emitting layer, and electrically connected to the auxiliary wiring; and a material deterioration suppressing layer continuously on a portion of the transition metal oxide layer above the auxiliary wiring and the light-emitting layer, mainly containing barium, and having a thickness equal to or greater than a size of a single barium atom and smaller than 10 nm.Type: ApplicationFiled: November 16, 2012Publication date: October 23, 2014Inventor: Takashi Isobe
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Patent number: 8816363Abstract: A method of manufacturing an organic light-emitting element. A first layer is formed above a substrate, and exhibits hole injection properties. A bank material layer is formed above the first layer using a bank material. Banks are formed by patterning the bank material layer, and forming a resin film on a surface of the first layer by attaching a portion of the bank material layer to the first layer, the banks defining apertures corresponding to light-emitters, the resin material being the same as the bank material. A functional layer is formed by applying ink to the apertures that contacts the resin film. The ink contains an organic material. The functional layer includes an organic light-emitting layer. A second layer is formed above the functional layer and exhibits electron injection properties. The hole injection properties of the first layer are then degraded by applying electrical power to an element structure.Type: GrantFiled: January 30, 2012Date of Patent: August 26, 2014Assignee: Panasonic CorporationInventors: Takashi Isobe, Kosuke Mishima, Kaori Akamatsu, Satoru Ohuchi
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Publication number: 20140231777Abstract: A method of manufacturing an organic light-emitting element is provided. A first layer is formed above a substrate, and exhibits hole injection properties. A bank material layer is formed above the first layer using a bank material. Banks are formed by patterning the bank material layer, and forming a resin film on a surface of the first layer by attaching a portion of the bank material layer to the first layer. The banks define apertures corresponding to light-emitters. The resin material is the same as the bank material. A functional layer is formed by applying ink to the apertures that contacts the resin film. The ink contains an organic material. The functional layer includes an organic light-emitting layer. A second layer is formed above the functional layer and exhibits electron injection properties. The hole injection properties of the first layer are degraded by applying electrical power to an element structure.Type: ApplicationFiled: April 24, 2014Publication date: August 21, 2014Applicant: PANASONIC CORPORATIONInventors: Takashi ISOBE, Kosuke MISHIMA, Kaori AKAMATSU, Satoru OHUCHI
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Patent number: 8811419Abstract: A relay device relays between two TCP communication items of a LAN side and a WAN side. When a line bandwidth of the WAN side is smaller than a line bandwidth of the LAN side, buffer overflow in a LAN side reception buffer and a WAN side transmission buffer of the relay device is prevented, and a connection is prevented from being forced to be canceled. A value of a reception window size (rwnd) described in an ACK packet returned to a transmission terminal of the LAN side is controlled based on a transmission throughput, a discarding rate, and an RTT measured in TCP communication of the WAN side, and a total size of unarranged data and a size of arranged data in a reception buffer of the LAN side and a size of untransmitted data and ACK awaiting data in a transmission buffer of the WAN side.Type: GrantFiled: March 1, 2012Date of Patent: August 19, 2014Assignee: Hitachi, Ltd.Inventor: Takashi Isobe
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Patent number: 8779453Abstract: A light-emitting element that has an improved light-extraction efficiency and an improved color purity of an emitted light. A light-emitting element includes a reflective electrode, a transparent electrode, a light-emitting layer, a functional layer, and a color filter. An optical film thickness of the functional layer is from approximately 218 nm to approximately 238 nm for a light emitting element that emits a blue light. An optical film thickness of the functional layer is from approximately 384 nm to approximately 400 nm for a light emitting element that emits a red light.Type: GrantFiled: January 30, 2012Date of Patent: July 15, 2014Assignee: Panasonic CorporationInventors: Keiko Kurata, Seiji Nishiyama, Takashi Isobe
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Publication number: 20140192647Abstract: To prevent the switching time influences power saving efficiency and packet loss prevention performance, it is provided a network apparatus for transferring packets, including a transfer part for transferring received packets to a given destination, and a determining part for obtaining traffic volume of the packets to be transferred. The determining part determines periodicity of changes to the traffic volume, predicts traffic volume after a predetermined period of time with use of the determined periodicity, and controls transfer performance of the transfer part based on a result of the traffic volume prediction.Type: ApplicationFiled: January 7, 2014Publication date: July 10, 2014Applicant: HITACHI, LTD.Inventors: Masaki YAMADA, Takashi ISOBE, Tomoyuki OKU, Yuichi ISHIKAWA, Takeki YAZAKI
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Publication number: 20140159074Abstract: An EL display device of the present invention includes a plurality of pixel electrodes, wiring, a common electrode, a plurality of light-emitting layer portions, and a protective layer. The pixel electrodes are formed in one-to-one correspondence with a plurality of pixels. The wiring is formed in at least one of a plurality of intervals between the pixels. The common electrode is formed above each of the pixel electrodes and is in electrical connection with the wiring. The common electrode is made of alkali metal or alkaline earth metal. The light-emitting layer portions are each located between a corresponding one of the pixel electrodes and the common electrode. The protective layer is located on the common electrode, preventing oxidization thereof. The EL display device suppresses voltage drop in the common electrode, while also suppressing reduction in a property of electron injection to the light-emitting layer portions.Type: ApplicationFiled: August 24, 2012Publication date: June 12, 2014Applicant: PANASONIC CORPORATIONInventor: Takashi Isobe
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Publication number: 20140140352Abstract: A relay device relays between two TCP communication items of a LAN side and a WAN side. When a line bandwidth of the WAN side is smaller than a line bandwidth of the LAN side, buffer overflow in a LAN side reception buffer and a WAN side transmission buffer of the relay device is prevented, and a connection is prevented from being forced to be canceled. A value of a reception window size (rwnd) described in an ACK packet returned to a transmission terminal of the LAN side is controlled based on a transmission throughput, a discarding rate, and an RTT measured in TCP communication of the WAN side, and a total size of unarranged data and a size of arranged data in a reception buffer of the LAN side and a size of untransmitted data and ACK awaiting data in a transmission buffer of the WAN side.Type: ApplicationFiled: March 1, 2012Publication date: May 22, 2014Applicant: HITACHI, LTD.Inventor: Takashi Isobe
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Patent number: 8681617Abstract: A device in a line part from a LAN to a WAN includes a plurality of cards which includes a TCP converter relaying two TCP communications. The TCP converter exchanges the number of connections in which data transmission is in progress and the number of connections in which data reception is in progress between TCP converters, receives the total number of connections in which data reception is in progress in an opposite device and an access line bandwidth to a WAN from the opposite device for each TCP connection. A control bandwidth is determined on the basis of the retransmission ratio of data, the total number of connections in which data transmission is in progress and an access line bandwidth to the WAN, and the total number of connections in which data reception is in progress and an access line bandwidth to the WAN of which the opposite device notifies.Type: GrantFiled: March 1, 2012Date of Patent: March 25, 2014Assignee: Hitachi, Ltd.Inventor: Takashi Isobe
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Publication number: 20140071986Abstract: In communication using TCP, since the transmission bandwidth is significantly influenced by RTT and discard rate, there was a problem that only the transmission bandwidth significantly lower than the contracted bandwidth could be obtained under the environment such as WAN causing large RTT, large hop number and many discarded segments. There is provided an apparatus connected to a receiving side terminal having a means for feeding back to notify all discarded segments to an apparatus connected to a transmitting side terminal; a means for retransmitting the discarded segments fed back to be notified to the apparatus connected to the transmitting side terminal; and a means for controlling transmission bandwidth, based on retransmission bandwidth and discard bandwidth by the apparatus connected to the transmitting side terminal.Type: ApplicationFiled: November 7, 2013Publication date: March 13, 2014Applicant: HITACHI, LTD.Inventor: Takashi ISOBE
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Patent number: 8605745Abstract: In communication using TCP, since the transmission bandwidth is significantly influenced by RTT and discard rate, there was a problem that only the transmission bandwidth significantly lower than the contracted bandwidth could be obtained under the environment such as WAN causing large RTT, large hop number and many discarded segments. There is provided an apparatus connected to a receiving side terminal having a means for feeding back to notify all discarded segments to an apparatus connected to a transmitting side terminal; a means for retransmitting the discarded segments fed back to be notified to the apparatus connected to the transmitting side terminal; and a means for controlling transmission bandwidth, based on retransmission bandwidth and discard bandwidth by the apparatus connected to the transmitting side terminal.Type: GrantFiled: August 19, 2010Date of Patent: December 10, 2013Assignee: Hitachi, Ltd.Inventor: Takashi Isobe
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Publication number: 20130229916Abstract: When a proxy device is used between a transmission terminal and a reception terminal, receives final data from the transmission terminal, and fails immediately thereafter, a situation is avoided where transmission is completed in the transmission terminal, but reception is not completed in the reception terminal. There is provided a means for not returning ACK when a data packet is received in a state in which there is no data which waits for ACK and transmission of which is in progress, and there is no data which waits for arrangement and reception of which is in progress in the proxy device, for returning ACK for data received one step before when a data packet is received in a state in which there is data which waits for ACK and transmission of which is in progress, or there is data which waits for arrangement and reception of which is in progress.Type: ApplicationFiled: July 28, 2011Publication date: September 5, 2013Applicant: HITACHI, LTD.Inventors: Takashi Isobe, Takeki Yazaki, Takuro Mori