Patents by Inventor Junichi Sawada

Junichi Sawada 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: 9614718
    Abstract: A communication device is connected to an end of a first network of a cascade topology, and also to a second network. This communication device transmits a first list including information of communication devices, in the first network, that are destinations of transmission of frames through the first network, to an opposing communication device, in the second network, located at another end of the first network, and receives, from the opposing communication device, a second list including information of communication devices, in the first network, that are destinations of transmission of frames from the opposing communication device through the first network. The communication device determines in which of the first list and the second list a destination of a frame is included, and when the destination of the frame is included in the second list, transmits the frame to the second network.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: April 4, 2017
    Assignee: FUJITSU LIMITED
    Inventors: Junichi Sawada, Ryu Kobayashi
  • Publication number: 20170073457
    Abstract: The purpose of the present invention is to provide a silicone-modified epoxy resin which produces a cured product having excellent low gas permeability and strength; a composition of the resin; and an epoxy resin cured product obtainable by curing the composition. Disclosed is an epoxy resin represented by the following Formula (1): wherein R1 independently represents a monovalent aromatic hydrocarbon group having 6 to 12 carbon atoms; R2 independently represents a monovalent aliphatic hydrocarbon group having 1 to 12 carbon atoms; R3 independently represents a monovalent aliphatic hydrocarbon group having 1 to 12 carbon atoms or a monovalent aromatic hydrocarbon group having 6 to 12 carbon atoms; R4 represents an oxygen atom or a divalent hydrocarbon group having an aliphatic cyclic structure; R5 represents silicone chain having a norbornane epoxy structure at either end; and X represents an organic group having a norbornane epoxy group.
    Type: Application
    Filed: February 18, 2015
    Publication date: March 16, 2017
    Inventors: Toshio Shiobara, Junichi Sawada, Miyuki Wakao, Tsutomu Kashiwagi, Naofusa Miyagawa, Yoshihiro Kawada, Chie Sasaki, Naosuke Taniguchi
  • Patent number: 9561727
    Abstract: A control system includes a first device configured to receive a first voltage, and convert the first voltage to a second voltage that varies according to a variation of the received first voltage. The control system also includes a second device configured to receive the second voltage and to change a charging rate of an energy storage device according to a variation of the received second voltage.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: February 7, 2017
    Assignee: Sony Corporation
    Inventors: Junichi Sawada, Rui Kamada, Yoshihito Ishibashi, Shigeru Tajima
  • Patent number: 9478683
    Abstract: A sensor unit includes a metallic base member, a solid-state imaging element, and amplifier chips. The base member has a first placement surface and a second placement surface. The solid-state imaging element has a photodetecting surface, and is disposed on the first placement surface such that a rear surface and the first placement surface face each other. The amplifier chips are mounted on a substrate disposed on the second placement surface. The base member further has side wall portions facing side surfaces of the solid-state imaging element. The chips and the solid-state imaging element are electrically connected to one another via a bonding wire. The chips are thermally coupled to the base member via a thermal via of the substrate.
    Type: Grant
    Filed: December 4, 2012
    Date of Patent: October 25, 2016
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Kazuki Fujita, Ryuji Kyushima, Harumichi Mori, Haruyoshi Okada, Junichi Sawada
  • Publication number: 20160237202
    Abstract: Problem to be Solved The purpose of the invention, in view of the above circumstances, is to provide a silicone-modified epoxy resin composition that offers a cured article excellent in low gas permeability and strength, and an epoxy resin cured article obtained by curing the composition. Solution An epoxy resin represented by the following formula (1) wherein R1 represents an alkylene group having 2 to 6 carbon atoms and optionally containing an ester or ether bond; R2 represents a monovalent aliphatic hydrocarbon group having 1 to 6 carbon atoms or a monovalent aromatic hydrocarbon group having 6 to 12 carbon atoms; R3 represents an oxygen atom or a phenylene group; k represents 1 to 10 as an average value; m represents an integer of 0 to 2; n represents 0 to 10 as an average value; and a plurality of groups R1, R2, R3, k, or m present in the formula may be the same or different from each other.
    Type: Application
    Filed: September 19, 2014
    Publication date: August 18, 2016
    Inventors: Toshio Shiobara, Junichi Sawada, Miyuki Wakao, Tsutomu Kashiwagi, Naofusa Miyagawa, Yoshihiro Kawada, Chie Sasaki, Masataka Nakanishi, Kenichi Kuboki
  • Publication number: 20160177085
    Abstract: A silicone-modified epoxy resin composition that offers a cured product excellent in low permeability to gas, mechanical strength, and heat resistance and transparency and further offers an optical semiconductor sealing material excellent in heat cycle resistance, and a cured epoxy resin product obtained by curing the composition. The epoxy resin composition comprises the following components (A) to (C): (A) a silicone-modified epoxy resin having a cyclic siloxane structure, (B) a silicone-modified epoxy resin having a branched siloxane structure, and (C) an epoxy resin curing agent containing a polyvalent carboxylic acid having a tricyclodecane structure and a carboxylic anhydride compound.
    Type: Application
    Filed: December 17, 2015
    Publication date: June 23, 2016
    Inventors: Toshio Shiobara, Junichi Sawada, Miyuki Wakao, Tsutomu Kashiwagi, Naofusa Miyagawa, Yoshihiro Kawata, Chie Sasaki
  • Publication number: 20160119565
    Abstract: A solid-state imaging device includes a photodetecting section, a vertical shift register section, first row selection lines, and second row selection lines. The vertical shift register section provides the row selection lines of the m-th row with common row selection signals.
    Type: Application
    Filed: May 28, 2014
    Publication date: April 28, 2016
    Inventors: Kazuki FUJITA, Ryuji KYUSHIMA, Junichi SAWADA, Harumichi MORI
  • Publication number: 20160059730
    Abstract: A power storage device includes a power storage unit including one or a plurality of cells, a first controller for performing control relating to the power storage unit, a first power line for supplying a first power to be output from the power storage unit to a load, a second power line for supplying a second power smaller than the first power to a second controller included in an external device, and a communication line used by the first and second controllers to communicate with each other.
    Type: Application
    Filed: January 16, 2014
    Publication date: March 3, 2016
    Inventors: Yoshihito ISHIBASHI, Kazuo NAGAI, Rui KAMADA, Junichi SAWADA, Kazuhiro TOMA
  • Patent number: 9225174
    Abstract: Disclosed herein is a control system, including: a first apparatus configured to adjust an output voltage thereof so that the output voltage may be included in a range determined in advance in response to a variation of an input voltage thereto from an electric power generation section; and a second apparatus configured to change a charge rate into a battery in response to the variation of the input voltage supplied from the first apparatus, wherein when a state in which the output voltage from the first apparatus is near to a lower limit thereof continues for a period longer than a period of time set in advance, one of two or more lower limits prepared in advance is selected as the value of the lower limit in accordance with to which one of sections set in advance input current from the electric power generation section belongs.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: December 29, 2015
    Assignee: SONY CORPORATION
    Inventors: Yoshihito Ishibashi, Junichi Sawada, Rui Kamada
  • Publication number: 20150069950
    Abstract: The control system includes, for example, a plurality of first devices and at least one second device connected to each of the plurality of first devices. The first device includes a plurality of conversion units configured to convert first voltage supplied from a power generator to second voltage in accordance with a level of the first voltage, and the second device includes a power storage unit and a charging control unit configured to control charging the power storage unit. The second voltage output from at least one conversion unit out of the plurality of conversion units is supplied to the second device, and the charging control unit controls charging the power storage unit in accordance with fluctuation of the second voltage.
    Type: Application
    Filed: April 15, 2013
    Publication date: March 12, 2015
    Applicant: SONY CORPORATION
    Inventors: Yoshihito Ishibashi, Junichi Sawada, Rui Kamada
  • Publication number: 20150009799
    Abstract: A communication device is connected to an end of a first network of a cascade topology, and also to a second network. This communication device transmits a first list including information of communication devices, in the first network, that are destinations of transmission of frames through the first network, to an opposing communication device, in the second network, located at another end of the first network, and receives, from the opposing communication device, a second list including information of communication devices, in the first network, that are destinations of transmission of frames from the opposing communication device through the first network. The communication device determines in which of the first list and the second list a destination of a frame is included, and when the destination of the frame is included in the second list, transmits the frame to the second network.
    Type: Application
    Filed: September 26, 2014
    Publication date: January 8, 2015
    Applicant: FUJITSU LIMITED
    Inventors: Junichi SAWADA, Ryu KOBAYASHI
  • Publication number: 20140353515
    Abstract: A sensor unit includes a metallic base member, a solid-state imaging element, and amplifier chips. The base member has a first placement surface and a second placement surface. The solid-state imaging element has a photodetecting surface, and is disposed on the first placement surface such that a rear surface and the first placement surface face each other. The amplifier chips are mounted on a substrate disposed on the second placement surface. The base member further has side wall portions facing side surfaces of the solid-state imaging element. The chips and the solid-state imaging element are electrically connected to one another via a bonding wire. The chips are thermally coupled to the base member via a thermal via of the substrate.
    Type: Application
    Filed: December 4, 2012
    Publication date: December 4, 2014
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Kazuki Fujita, Ryuji Kyushima, Harumichi Mori, Haruyoshi Okada, Junichi Sawada
  • Publication number: 20140285147
    Abstract: A control system includes a first device configured to receive a first voltage, and convert the first voltage to a second voltage that varies according to a variation of the received first voltage. The control system also includes a second device configured to receive the second voltage and to change a charging rate of an energy storage device according to a variation of the received second voltage.
    Type: Application
    Filed: October 22, 2012
    Publication date: September 25, 2014
    Inventors: Junichi Sawada, Rui Kamada, Yoshihito Ishibashi, Shigeru Tajima
  • Patent number: 8835523
    Abstract: There is disclosed a silicone rubber composition curable by a radial ray comprising, at least, (A) an organopolysiloxane shown by the following general formula (1), (B) a phenyl ester derivative having an acryl group, (C) a sensitizer sensitized by a radial ray, and (D) a photosensitive dye, wherein each R1, R2, and R3 independently represents a monovalent hydrocarbon group having 1 to 10 carbon atoms; X represents the same or different monovalent organic group having an acryl group or a methacryl group. As a result, there is provided a silicone rubber composition capable of being cured by irradiation of a radial ray whereby showing excellent adhesion with various substrates, capable of forming a cured film, and capable of easily distinguishing whether it is cured or not by observing appearance when not irradiated with a radial ray.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: September 16, 2014
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Junichi Sawada, Toshiyuki Sutou, Tsutomu Kashiwagi
  • Patent number: 8625741
    Abstract: A solid-state image pickup device 1 includes a photodetecting section 10, a signal readout section 20, a controlling section 30, and a correction processing section 40. In the photodetecting section 10, M×N pixel units P1,1 to PM,N each including a photodiode that generates charge of an amount according to an incident light intensity and a readout switch connected to the photodiode are two-dimensionally arrayed in M rows and N columns. A charge generated in each pixel unit Pm,n is input to an integration circuit Sn through a readout wiring line LO,n, and a voltage value output from the integration circuit Sn according to the charge amount is output to an output wiring line Lout through a holding circuit Hn. In the correction processing section 40, a correction processing is applied to respective frame data output from the signal readout section 20, and the frame data after the correction processing is output.
    Type: Grant
    Filed: July 13, 2009
    Date of Patent: January 7, 2014
    Assignee: Hamamatsu Photonics K.K.
    Inventors: Ryuji Kyushima, Kazuki Fujita, Junichi Sawada
  • Patent number: 8547464
    Abstract: The present invention relates to a solid-state imaging device, etc., having a structure which enables to obtain an image with higher resolution by correcting pixel data even when any one of row selecting wirings is disconnected. A solid-state imaging device (1) comprises a photodetecting section (10), a signal reading-out section (20), a controlling section (30), and a correction processing section (40). The photodetecting section (10) has M×N pixel portions P1,1 to PM,N two-dimensionally arrayed in M rows and N columns, and each of the pixel portions P1,1 to PM,N includes a photodiode which generates charges of an amount corresponding to an incident light intensity and a reading-out switch connected to the photodiode. Charges generated in each of the pixel portions P1,1 to PM,N are inputted into an integrating circuit Sn through a reading-out wiring LO,n.
    Type: Grant
    Filed: January 22, 2009
    Date of Patent: October 1, 2013
    Assignee: Hamamatsu Photonics K.K.
    Inventors: Ryuji Kyushima, Harumichi Mori, Junichi Sawada, Kazuki Fujita, Masahiko Honda
  • Patent number: 8519063
    Abstract: A purpose of the present invention is to provide an underfill composition for optical semiconductor devices which can provide a cured product whose moldability, adhesiveness to a gold bump, heat-resistance, and light resistance are better. The present invention is an underfill composition, comprising (A) 60 to 99 parts by weight of a branched organopolysiloxane having a weight average molecular weight of from 500 to 20000, reduced to polystyrene, and represented by the average compositional formula (1); (B) 250 to 1000 parts by weight of an inorganic filler; (C) 0.01 to 10 parts by weight of a condensation catalyst; (D) 1 to 40 parts by weight of an organopolysiloxane having a linear diorganopolysiloxane moiety, represented by the formula (2), provided that a total amount of component (A) and component (D) is 100 parts by weight; and (E) 0.2 to 2.0 parts by weight of silane coupling agent.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: August 27, 2013
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Yusuke Taguchi, Junichi Sawada
  • Patent number: 8389594
    Abstract: There is disclosed a silicone-modified adamantane derivative represented by the following general formula (1), Wherein each R1 independently represents a hydrogen atom or methyl group; each R independently represents a methyl group or phenyl group; n represents an integer from 2 to 1,000; and k represents a number of 0 to 2. There can be a photo-radically curable resin composition by adopting a novel and specific silicone-modified adamantane derivative, which composition is cured by photoirradiation even at a lower intensity of illumination, thereby enabling to obtain a cured product exhibiting not only an excellent moisture resistance but also an excellent adhesiveness to various substrates.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: March 5, 2013
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventor: Junichi Sawada
  • Patent number: 8294793
    Abstract: The present invention relates to a solid-state imaging device, etc., which makes it possible to obtain an image with higher resolution by properly correcting pixel data even when any one of row selecting wirings is disconnected. A solid-state imaging device (1) comprises a photodetecting section (10), a signal reading-out section (20), a controlling section (30), and a correction processing section (40). In the photodetecting section (10), M×N pixel portions P1,1 to PM,N are two-dimensionally arrayed in a matrix of M rows and N columns, and each of the pixel portions P1,1 to PM,N includes a photodiode and a reading-out switch. Charges generated in each pixel portion Pm,n are inputted into an integrating circuit Sn through a reading-out wiring LO,n, and a voltage value corresponding to the amount of charges is outputted from the integrating circuit Sn. The voltage value from the integrating circuit Sn is outputted to an output wiring Lout through a holding circuit Hn.
    Type: Grant
    Filed: January 22, 2009
    Date of Patent: October 23, 2012
    Assignee: Hamamatsu Photonics K.K.
    Inventors: Ryuji Kyushima, Harumichi Mori, Junichi Sawada, Kazuki Fujita, Masahiko Honda
  • Publication number: 20120224589
    Abstract: A relay station for relaying data between first and second ring networks, each of the first and the second ring networks including a plurality of stations includes a first transmission and receiving circuit transmitting and receiving data to and from the first ring network; a second transmission and receiving circuit transmitting and receiving the data to and from the second ring network; and a switch that, when a destination of the data received by the first transmission and receiving circuit is one of the stations included in the second ring network, inputs the data to the second transmission and receiving circuit, and, when a destination of the data received by the second transmission and receiving circuit is another of the stations included in the first ring network, inputs the data to the first transmission and receiving circuit.
    Type: Application
    Filed: December 23, 2011
    Publication date: September 6, 2012
    Applicant: FUJITSU LIMITED
    Inventor: Junichi SAWADA