Patents by Inventor Tetsuya Tanaka

Tetsuya Tanaka 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: 9004285
    Abstract: A classifying apparatus including: a rotor with a plurality of annularly disposed blades, which rotates; and a louver with a plurality of blades which are disposed at an outer circumferential portion of the rotor so as to supply from the outer circumferential portion a fluid for dispersing and classifying a powder material, wherein the powder material is supplied to a gap between the rotor and the louver and centrifugally classified into fine powder and coarse powder, and wherein at least one of the following relationships is satisfied: Relationship (1): ??50° Relationship (2): D2/D1?1.17 where ? denotes an angle formed between imaginary lines connecting the center of the rotor with both ends of each blade of the louver, D1 denotes a diameter of the rotor, and D2 denotes an inner diameter of the louver.
    Type: Grant
    Filed: March 2, 2010
    Date of Patent: April 14, 2015
    Assignee: Ricoh Company, Ltd.
    Inventors: Tetsuya Tanaka, Hiroki Morioka, Kaoru Aoki, Makoto Hirai, Shinya Hanatani
  • Patent number: 8997646
    Abstract: An electrode formation method for a solar cell to form an electrode of a base member, includes a screen printing process and a baking process. The screen printing process includes: mounting a metal mask on a surface of the base member, wherein the metal mask includes a covering portion configured to cover a part of a surface of the base member, opening portions configured to allow parts of the base member to be exposed therefrom, and bridge portions disposed along a direction intersecting with a longitudinal direction of circuit patterns between the opening portions; and supplying a paste to an upper surface of the metal mask by a squeegee head of a cartridge type, while relatively sliding a squeegee on the upper surface of the metal mask such that the squeegee travels relatively to the metal mask. In the baking process, the paste is baked to form the electrode.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: April 7, 2015
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Tetsuya Tanaka, Yuji Otake
  • Patent number: 8800440
    Abstract: It is an objective to provide a screen print system and a method for cleaning a mask of the screen print system that enable sufficient cleaning of the mask used for subjecting a cavity substrate to screen printing. A mask contact area R of a paper member 42 is brought into contact with a lower surface of one of convex portions 13t of a first mask 13a, thereby removing paste Pst adhering to the lower surface. Subsequently, the paper member 42 is winded up before the paper member 42 contacts the next convex portion 13t to be subjected to removal of the paste Pst, thereby updating the mask contact area R.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: August 12, 2014
    Assignee: Panasonic Corporation
    Inventors: Tetsuya Tanaka, Kunihiko Tokita
  • Publication number: 20140196045
    Abstract: A processor executes a plurality of tasks by switching a timeslot and iterating a plurality of timeslots. The processor includes a table in which tasks are defined in correspondence with timeslots. In the table, the number of timeslots to be held in one iteration is defined, for each of the timeslots a total time period during the predetermined number of iterations is designated, and a plurality of tasks are defined in correspondence with at least one of the timeslots. A timeslot is switched every time a predetermined period elapses. One task is selected and executed by referring to the table in correspondence with switching of timeslot.
    Type: Application
    Filed: March 11, 2014
    Publication date: July 10, 2014
    Applicant: Panasonic Corporation
    Inventors: KAZUSHI KURATA, KAZUYA FURUKAWA, TETSUYA TANAKA, NOBUO HIGAKI, KUNIHIKO HAYASHI, HIROSHI KADOTA, TOKUZO KIYOHARA, KOZO KIMURA, HIDESHI NISHIDA, SHIGEKI FUJII, TOSHIO SUGIMURA
  • Patent number: 8757059
    Abstract: In screen printing on such printing targets as an upper surface of a substrate and a bottom surface of a recess portion which is opened to the upper surface, there are provided a screen printing apparatus and a screen printing method by which printing work can be executed with good efficiency while ensuring a good printing quality.
    Type: Grant
    Filed: June 22, 2010
    Date of Patent: June 24, 2014
    Assignee: Panasonic Corporation
    Inventor: Tetsuya Tanaka
  • Patent number: 8720331
    Abstract: A screen printing device and screen printing method in which, in screen printing which is to be applied to a cavity circuit board configured by bonding board members together, printing misalignment hardly occurs. A mask member has a cavity-portion corresponding mask region MRC where a mask pattern MPC corresponding to cavity-portion electrode patterns is formed on the bottom faces of fitting portions to be fitted into cavity portions CV; and a flat-portion corresponding mask region MRF where a mask pattern MPF corresponding to flat-portion electrode patterns is formed as separate regions. Positioning between the cavity-portion corresponding mask region MRC and the cavity-portion electrode patterns is performed, and screen printing is applied. Positioning between the flat-portion corresponding mask region MRF and the flat-portion electrode patterns is performed, and screen printing is applied.
    Type: Grant
    Filed: February 22, 2010
    Date of Patent: May 13, 2014
    Assignee: Panasonic Corporation
    Inventors: Seiko Abe, Tetsuya Tanaka
  • Patent number: 8719827
    Abstract: A processor for sequentially executing a plurality of programs using a plurality of register value groups stored in a memory that correspond one-to-one with the programs.
    Type: Grant
    Filed: July 11, 2011
    Date of Patent: May 6, 2014
    Assignee: Panasonic Corporation
    Inventors: Kazushi Kurata, Tetsuya Tanaka, Nobuo Higaki, Kunihiko Hayashi, Hiroshi Kadota, Tokuzo Kiyohara, Kozo Kimura, Hideshi Nishida, Kazuya Furukawa, Shigeki Fujii, Toshio Sugimura
  • Patent number: 8714084
    Abstract: The present invention provides a screen printing apparatus and screen printing method which, in screen printing that is to be performed on the upper surface of a circuit board, and the bottom surfaces of recess openings in the upper surface, can efficiently perform a printing work while ensuring an excellent printing quality. In a screen printing apparatus which prints a paste for bonding an electronic component on an upper surface and a bottom-surface of a recess, a printing apparatus 2(1) and a printing apparatus 2(2) which sequentially 10 print the paste in two steps on the circuit board are placed in series. The printing apparatus 2(1) on the upstream side includes a bottom-surface printing mask which is provided in correspondence with the bottom surface of the recess, and a closed squeegee mechanism 36A which butts against and slides over an upper surface of the bottom-surface printing mask to 15 pressurize and supply the paste.
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: May 6, 2014
    Assignee: Panasonic Corporation
    Inventors: Seiko Abe, Tetsuya Tanaka
  • Patent number: 8703378
    Abstract: A method of manufacturing toner including mixing mother toner particles containing a binder resin and a coloring agent and first particles having an average primary particle diameter of from 100 nm to 1 ?m to using a mixer including a rotary shaft member, multiple stirring members provided to the surface of the shaft member, and a casing to cover the multiple stirring members, wherein the cross section of the inner periphery of the casing relative to a direction perpendicular to the rotation axis of the shaft member is circular around the rotation axis with a substantially constant distance between the inner periphery and the rotation axis. The casing covers the multiple stirring members and a cooling jacket is provided to at least part of the outer periphery of the casing. The weight ratio of the particles to the mother toner particles is from 1.5% to 10%.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: April 22, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Kohsuke Satoh, Tetsuya Tanaka, Masahiro Kawamoto, Natsuko Matsushita
  • Patent number: 8695497
    Abstract: There is provided a screen printing apparatus and a screen printing method which can implement printing work with good efficiency while securing a good printing quality in screen printing intended for an upper surface of a substrate and a bottom surface of a recess portion which is opened in the upper surface.
    Type: Grant
    Filed: June 22, 2010
    Date of Patent: April 15, 2014
    Assignee: Panasonic Corporation
    Inventor: Tetsuya Tanaka
  • Publication number: 20130319265
    Abstract: In a returning path operation for moving a closed type squeegee mechanism in a direction opposite to a squeezing direction after an outward path operation where paste is packed into pattern holes by moving the closed type squeegee mechanism in the squeezing direction, the paste supplied to the outside of the closed type squeegee mechanism on an upper surface of a mask is spread due to a deposition member, by moving the deposition member of a paste deposition mechanism in a state close to an upper surface of the mask in the direction opposite to the squeezing direction. Therefore, a paste film having a predetermined thickness is formed.
    Type: Application
    Filed: March 2, 2012
    Publication date: December 5, 2013
    Applicant: PANASONIC CORPORATION
    Inventors: Tetsuya Tanaka, Yuuji Ootake
  • Publication number: 20130319266
    Abstract: In a squeezing operation by a closed type squeegee mechanism which is configured so that paste compressed internally is packed from a printing opening between a pair of sliding members, before the packing of the paste into pattern holes via the printing opening, the sliding member positioned on a leading side of a squeezing direction between the pair of sliding members and moves in the squeezing direction so that the paste supplied to the outside of the closed type squeegee mechanism on an upper surface of a mask is packed into the pattern holes.
    Type: Application
    Filed: March 2, 2012
    Publication date: December 5, 2013
    Applicant: PANASONIC CORPORATION
    Inventors: Tetsuya Tanaka, Yuuji Ootake
  • Publication number: 20130319267
    Abstract: In outward path and returning path operations of a printing executing step where paste is packed into pattern holes by moving a closed type squeegee mechanism in a squeezing direction, the paste supplied to the outside of the closed type squeegee mechanism on an upper surface of a mask is spread due to a deposition members by moving the deposition members of paste deposition mechanisms positioned on a following side in a traveling direction, in the traveling direction in a state close to the upper surface of the mask. Therefore, a paste film having a predetermined thickness is formed.
    Type: Application
    Filed: March 2, 2012
    Publication date: December 5, 2013
    Applicant: PANASONIC CORPORATION
    Inventors: Tetsuya Tanaka, Yuuji Ootake
  • Publication number: 20130307523
    Abstract: An analog unit having a multiple-channel configuration among analog units included in a sequencer system is such that an AC signal as a measurement target, which is captured by a CT sensor, can be directly input to each of a plurality of channels, and the analog unit includes a setting unit that sets, in an internal memory, an abnormality-determination peak current value and an abnormal peak current duration, which are applied to the AC signal as a measurement target, for each of the channels, and a detecting unit that, when the AC signal as a measurement target includes an AC signal that maintains a state where a peak value exceeds the abnormality-determination peak current value for the abnormal peak current duration, detects generation of an abnormal alternating current in each of the channels.
    Type: Application
    Filed: February 3, 2011
    Publication date: November 21, 2013
    Applicant: MItsubishi Electric Corporation
    Inventors: Satoshi Aoki, Hirokazu Nomoto, Tetsuya Tanaka
  • Patent number: 8567314
    Abstract: It is an objective to provide a screen print system and a method for cleaning a mask of the screen print system that enable sufficient cleaning of the mask used for subjecting a cavity substrate to screen printing. A screen print system includes a first cleaning unit 16a and a second cleaning unit 16b. The first cleaning unit 16a sequentially brings a mask contact area R, which is formed by stretching a paper member 42 over an upper end of a nozzle part 41, into contact with lower surfaces of respective convex portions 13t of a first mask 13a, thereby removing paste Pst adhering to the respective lower surfaces of the respective convex portions 13t. The second cleaning unit 16b brings the mask contact area R, which is formed by stretching the paper member 42 over the upper end of the nozzle part 41, into contact with a lower surface of a second mask 13b, thereby removing the paste Pst adhering to the lower surface of the second mask 13b.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: October 29, 2013
    Assignee: Panasonic Corporation
    Inventors: Tetsuya Tanaka, Kunihiko Tokita
  • Patent number: 8568953
    Abstract: To provide an apparatus for producing a toner, including: a droplet forming unit configured to periodically discharge a toner composition liquid, which includes at least a resin and a colorant, from a plurality of nozzles so as to form droplets; a gas flow forming unit configured to form a gas flow which passes through a narrowed portion that corresponds to a nozzle formation area and that is placed on a downstream side of the nozzles with respect to a droplet discharge direction, and which advances in the droplet discharge direction; and a particle forming unit configured to form toner particles by solidifying the droplets of the toner composition liquid passed through the narrowed portion and then discharged, wherein the opening area of an opening which forms the narrowed portion decreases from an inlet side of the narrowed portion toward an outlet side of the narrowed portion.
    Type: Grant
    Filed: August 19, 2010
    Date of Patent: October 29, 2013
    Assignee: Ricoh Company, Ltd.
    Inventors: Kenta Kenjoh, Tetsuya Tanaka
  • Patent number: 8567313
    Abstract: To provide a screen printing apparatus and a screen printing method which can enhance a plate separating property after a printing operation regardless of a type of a mask, thereby suppressing occurrence of printing failure. A screen printing apparatus includes mask supporting means 6 for supporting a mask 2 from the rear surface thereof, holding means 20 for holding a printing medium 3, posture changing means 30 for changing a posture of the printing medium 3 held by the holding means 20 between a parallel posture parallel to the mask 2 and a tilted posture tilted about the mask 2, and lifting means for lifting the holding means 20 so as to contact and separate the surface of the printing medium 3 with or from the rear surface of the mask 2. Here, the printing medium 3 having been subjected to a pattern printing operation is separated from the mask 2 from one end of the printing medium to the other end thereof.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: October 29, 2013
    Assignee: Panasonic Corporation
    Inventors: Tetsuya Tanaka, Seiichi Miyahara
  • Patent number: 8534115
    Abstract: Systems and methods of determining parameter values in a downhole environment are described. An example method of determining a parameter value using calibration information is described. The calibration information corresponding to different parameter ranges in a downhole environment. The method includes determining a parameter range in the downhole environment using a controller and obtaining first calibration information or second calibration information based on the parameter range. The first calibration information associated with a first parameter range and the second calibration information associated with a second parameter range. The method also includes receiving an output signal from a sensor associated with the parameter and using the obtained calibration information to determine the parameter value based on the output signal received.
    Type: Grant
    Filed: October 17, 2011
    Date of Patent: September 17, 2013
    Assignee: Schlumberger Technology Corporation
    Inventors: Kozue Tomiyama, Toru Terabayashi, Hideyuki Kamei, Takenori Motoki, Tetsuya Tanaka, Martine Hori
  • Patent number: 8529534
    Abstract: An excrement treating apparatus 100 includes an excretion receiver 1 and an apparatus body 2. The excretion receiver 1 includes a receiver body 10 which receives excretions and an excretion sensor 20 which detects the excretions. The apparatus body 2 includes a urine tank 51 which stores urine, a vacuum pump 52 which sucks urine received by the receiver body 10 into the urine tank 51, and a control unit 53. The excretion sensor 20 includes a pair of urine sensor electrodes 21 and 22 which detect urine received by the receiver body 10. The control unit 52 controls so as to reverse the polarity of the urine sensor electrodes 21 and 22 at prescribed time intervals. In the excrement treating apparatus, the excretion sensor's sensitivity is stabilized and urination is accurately detected and treated.
    Type: Grant
    Filed: January 6, 2009
    Date of Patent: September 10, 2013
    Assignees: Hitachi, Ltd., Uni-Charm Corporation
    Inventors: Tetsuya Tanaka, Yoshikazu Ishitsuka, Ryosuke Miyagawa, Ichiro Wada, Miou Suzuki
  • Patent number: 8444073
    Abstract: A continuous kneading apparatus including: a stationary portion having an internal space where matter is conveyed; a rotary disc member and a screw member which are configured to convey the matter in the internal space; a drive shaft member to which the rotary disc member and the screw member are fixed; and a cooling medium passage through which a cooling medium passes, wherein the cooling medium passage is provided for the screw member which is placed upstream of the rotary disc member with respect to the conveyance direction of the matter, wherein the cooling medium passing in the cooling medium passage is lower in temperature than the matter passing in the internal space, and wherein the matter passes in the internal space while provided with shear force by rotation of the drive shaft member and thus continuously kneaded, and while cooled by the cooling medium.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: May 21, 2013
    Assignee: Ricoh Company, Ltd.
    Inventors: Masahiro Kawamoto, Tetsuya Tanaka, Kenta Kenjoh, Satoshi Izumi, Ippei Muneoka