Patents by Inventor Koichi Murakami

Koichi Murakami 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: 5636128
    Abstract: An apparatus for detecting periodicity in time-series data, which is to be processed, includes a specifying unit for designating positions of coordinates in n-dimensional phase space, which are indicated by incoming time-series data and time-series data of the number n-1 that have been already input, arranged in series with the incoming time-series data; an extraction unit for estimating the frequency of emergence in the positions of the coordinates, by taking into consideration a fluctuation in the time-series data, and extracting at least one characteristic point from the coordinates on the basis of the frequency of emergence; a detection unit for checking whether or not the characteristic point at the start point extracted by the extraction unit conforms to the characteristic point at the end point, and detecting periodicity information about the periodicity formed by every characteristic point extracted by the extraction unit; and an output unit for determining the periodicity in the time-series data on t
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: June 3, 1997
    Assignee: Fujitsu Limited
    Inventors: Miyuki Sugimoto, Masako Nakajima, Koichi Murakami
  • Patent number: 5635823
    Abstract: In a current detector circuit wherein the sense current flowing through a sense transistor for sensing part of the main current flowing through a main element transistor is flowed through the detection resistor to cause the bipolar or MOS control transistor to detect the voltage drop across the detection resistor, a compensation diode connected to the base or gate of the control transistor and the emitter of the sense transistor and a forward bias generation resistor element for generating a forward bias applied to the diode for a time interval during which the main current flows are arranged.
    Type: Grant
    Filed: October 4, 1995
    Date of Patent: June 3, 1997
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Koichi Murakami, Motohiro Oomichi
  • Patent number: 5542655
    Abstract: A sheet post-processing apparatus, capable of being coupled with a sheet discharging portion of an image forming apparatus includes a tray for stacking sheets discharged from the image forming apparatus; stapler for stapling the stacked sheets; stapling mode selector; a controller for operating the stapler when sheet discharge of the image forming apparatus is completed, and a stapling mode is selected by the stapling mode selector. The stapling apparatus contains a manually operable stapling mode selecting switch to place the stapler in a ready state, waiting for a copy completion signal before the stapling opperation begins.
    Type: Grant
    Filed: April 3, 1995
    Date of Patent: August 6, 1996
    Assignee: Canon Kabushiki Kaisha
    Inventor: Koichi Murakami
  • Patent number: 5483093
    Abstract: An input protection device comprises a current limiting resistor externally connected to an integrated circuit which includes two Zener diodes, one functioning as a power supply Zener diode and the other functioning as a ground Zener diode. Owing to the resistance of the current limiting resistor and junction capacitances of the Zener diodes, electromagnetic interference noise is effectively damped or attenuated.
    Type: Grant
    Filed: December 6, 1993
    Date of Patent: January 9, 1996
    Assignee: Nissan Motor Co., Ltd.
    Inventor: Koichi Murakami
  • Patent number: 5442734
    Abstract: An image processing unit generates a virtual environment or an artificial reality by displaying a necessary image in accordance with movement of a view direction of a person on a head mounted display and comprises a sensor, an image processing portion, and a display. The sensor detects a view direction and generates a view vector, and the image processing portion comprises a view direction movement discriminator, a priority degree allocator, and a partial update portion. The view direction movement discriminator calculates a view direction movement vector from the difference from the two fetched view vectors.
    Type: Grant
    Filed: March 6, 1992
    Date of Patent: August 15, 1995
    Assignee: Fujitsu Limited
    Inventors: Koichi Murakami, Katsuhiko Hirota, Soichi Nishiyama
  • Patent number: 5382016
    Abstract: A sheet sorter with includes a bin unit including a plurality of bins for accommodating sorted sheets, sheet stacker for accommodating non-sorted sheets, sheet switcher for selectively guiding the sheets to the plural bins or to the sheet stacker, stapler for stapling the sheets accommodated in the bins, for each of the bins, and controller for controlling the sheet switcher to direct the sheet to the bins in response to instructions for sorting and stapling the sheets, to direct the sheet to the sheet stacker in response to instructions for accommodating the sheets without sorting, and to direct the sheets to the bin unit in response to instructions for stapling the sheets without sorting. The apparatus further includes a reciprocating aligning member which is driven to an alignment position during movement of the bins and is again driven to the alignment position to complete the aligning operation after completion of the movement of the bins.
    Type: Grant
    Filed: October 29, 1993
    Date of Patent: January 17, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenji Kobayashi, Koichi Murakami, Masakazu Hiroi, Naho Wakao
  • Patent number: 5230457
    Abstract: A sheet stapling apparatus including a stapling device for stapling a set of sheets, a load detecting device for detecting a level of a load of the stapling device during a stapling operation, and a signal generating device for generating a signal when the load detected by the load detecting device is outside a predetermined range.
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: July 27, 1993
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masakazu Hiroi, Koichi Murakami, Yuji Takahashi
  • Patent number: 5192261
    Abstract: There is disclosed a sheet stacker, for use in combination with a copying machine, a printer or the like, capable of ensuring satisfactory sheet stacking regardless whether the sheet is folded or not. The apparatus controls the stacking operation in different modes in accordance with whether the sheets to be stacked are folded or not.
    Type: Grant
    Filed: September 12, 1991
    Date of Patent: March 9, 1993
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Honjo, Koichi Murakami
  • Patent number: 5152511
    Abstract: A sheet sorting apparatus with a stapler includes a plurality of bin trays which are arranged substantially vertically with predetermined clearances between adjacent bin trays, which are inclined to provide an inclined sheet receiving surfaces and which are independently movable substantially in the vertical direction, wherein the bin trays are so disposed that those ends of adjacent ones of the bin trays which are closer to the sheet inlet are deviated when seen in a direction substantially perpendicular to the sheet receiving surface; bin tray shifting device for moving the plurality of the bin trays stepwisely substantially in the vertical direction to oppose the respective bin trays to a sheet inlet of the sorting apparatus; stapling device, disposed substantially on an extension of the inclined sheet receiving surface and having a stapling head movable to above the sheet receiving surface and an anvil movable to below the sheet receiving surface, for stapling the sheets interposed between the stapling he
    Type: Grant
    Filed: December 12, 1991
    Date of Patent: October 6, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hironori Shido, Jun Saito, Masakazu Hiroi, Kenji Kobayashi, Koichi Murakami, Masataka Naito, Takeshi Honjo
  • Patent number: 5152653
    Abstract: A sheet binding apparatus includes a tray for supporting a set of sheet materials; a punch for punching the sheet materials on the supporting tray; a conveyor for conveying the sheet materials punched by the punch; a binder for binding the sheet materials conveyed and by the conveyer; a controller for sequentially controlling the punch, the conveyor and the binder.
    Type: Grant
    Filed: March 28, 1990
    Date of Patent: October 6, 1992
    Assignees: Canon Kabushiki Kaisha, Daiichi Seiki Kogyo Kabushiki Kaisha
    Inventors: Kazuhiro Matsuo, Kimiaki Hayakawa, Koichi Murakami, Yoichi Tagawa, Kenichi Iizumi
  • Patent number: 5150998
    Abstract: A sheet binding apparatus includes a support for supporting a set of sheets; a puncher for punching the sets of sheets on the support; binder for binding the sheets by penetrating a ring member through punched holes of the sheets punched by the puncher; a detector for detecting a size of the ring member supported on the binder; a changing device for changing a degree of opening of the ring member in accordance with a size of the ring member; a conveyer for conveying the set of sheets punched by the puncher to the ring member supported on the binder; a second support for supporting the binder for movement between an automatic mode position wherein the binder receives the set of sheets conveyed by the conveyer and a manual mode position wherein the set of sheets can be received without use of the conveyer; a second detector for detecting the manual mode position of the binder and for prohibiting conveyance of the sheets by the conveyer; ring controller for controlling the degree of opening of the ring member du
    Type: Grant
    Filed: January 8, 1992
    Date of Patent: September 29, 1992
    Assignees: Canon Kabushiki Kaisha, Daiichi Seiki Kaisha Kabushiki Kaisha
    Inventors: Koichi Murakami, Kazuhiro Matsuo, Kenichi Iizumi, Yoichi Tagawa
  • Patent number: 5121633
    Abstract: A semiconductor accelerometer including a weight, a support frame surrounding the weight with a gap therebetween, at least one beam for connecting the weight to the support frame, a piezoresistor attached onto the beam for detecting acceleration, and stoppers for restricting the movement of the weight relative to the support frame, in which at least one first projection integrally mounted to the weight and at least one second projection integrally mounted to the support frame cooperate to function as the stoppers. At least one first cross member and at least one second cross member may cooperate with the first and second projections. First and second stopping members may also cooperate with the first and second projections.
    Type: Grant
    Filed: December 16, 1988
    Date of Patent: June 16, 1992
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Koichi Murakami, Hiroyuki Kaneko, Kraisorn Throngnumchai
  • Patent number: 5104106
    Abstract: A sheet sorting apparatus with a stapler includes a plurality of bin trays; bin tray shifting device for moving the plurality of the bin trays stepwisely substantially in the vertical direction to oppose the respective bin trays to a sheet inlet of the sorting apparatus, while expanding the clearances between the bin tray opposed to the sheet inlet and an upper adjacent bin tray and between the bin tray opposed to the sheet inlet and a lower adjacent bin tray to provide a larger clearance than the predetermined clearances; and stapler, disposed substantially on an extension of the inclined sheet receiving surface and having a stapling head movable to above the sheet receiving surface and an anvil movable to below the sheet receiving surface, for stapling the sheets interposed between the stapling head and the anvil, wherein the bin trays are so disposed that between those ends of adjacent ones of the bin trays which are closer to the sheet inlet are deviated when seen in a direction substantially perpendicula
    Type: Grant
    Filed: November 23, 1990
    Date of Patent: April 14, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hironori Shido, Jun Saito, Masakazu Hiroi, Kenji Kobayashi, Koichi Murakami, Masataka Naito, Takeshi Honjo
  • Patent number: 5090860
    Abstract: A sheet binding apparatus includes a supporting member for supporting a set of sheets; a punch for punching the set of sheets on the supporting member; a binder for supporting a ring member and for binding the sheets by penetrating the ring member through punched holes of the sheets punched by the punch; a detector for detecting a size of the ring member supported on the binder; a device for changing a punching condition by the punch in accordance with an output of the detector; and a conveyer for conveying the set of sheets punched by the punch to the ring member supported on the binder.
    Type: Grant
    Filed: June 26, 1991
    Date of Patent: February 25, 1992
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuhiro Matsuo, Koichi Murakami, Yoichi Tagawa, Kenichi Iizumi
  • Patent number: 5064592
    Abstract: The invention relates to a process of producing a surface hardened woody decorative sheet by reacting a cellulose material such as a wood flour, a wood chip, a chaff, etc., with a dibasic acid anhydride and a monoepoxy compound having a polymerizable double bond to form a setting composition mainly composed of an oligoesterified cellulose material having a polymerizable double bond and an oligomer having a polymerizable double bond, placing in layer the setting composition on a woody sheet, and hot-pressing them to integrate the setting composition and the woody sheet in a body.
    Type: Grant
    Filed: November 29, 1989
    Date of Patent: November 12, 1991
    Assignee: Okura Kogyo Kabushiki Kaisha
    Inventors: Minoru Ueda, Hideaki Matsuda, Koichi Murakami
  • Patent number: 5055247
    Abstract: An industrially advantageous woody molding is produced by adding a dibasic acid anhydride to a woody material such as a wood meal in the presence or absence of a catalyst such as sodium carbonate, whereby the dibasic acid anhydride is bonded to the hydroxy group of the woody material to form an esterified woody material, adding thereto a compound having at least two epoxy groups in the molecule thereof, kneading well the mixture, and then heat and press molding the kneaded mixture at a temperature higher than 120.degree. C. and a pressure greater than 60 kg/cm.sup.2.The product thus obtained by the process of this invention has a smooth and lustrous surface, has good water resistance and dimensional stability, and also is excellent in mechanical strength and hardness.
    Type: Grant
    Filed: March 5, 1987
    Date of Patent: October 8, 1991
    Assignee: Okura Kogyo Kabushiki Kaisha
    Inventors: Minoru Ueda, Hideaki Matsuda, Masanori Hara, Koichi Murakami
  • Patent number: 5043864
    Abstract: An image forming apparatus includes an image forming unit for forming an image on a recording medium, a command unit for commanding image forming conditions, a first switch for connecting a power source to the apparatus, a first director for detecting an operational position of the first switch, a second switch for enabling the first switch to connect the power source to the apparatus, a second detector for detecting an operational position of the second switch, and a memory having microprograms stored therein for operatively controlling loads on the image forming unit. The operation of the image forming unit is controlled by signals derived from the first and second detectors and the microprograms.
    Type: Grant
    Filed: February 20, 1990
    Date of Patent: August 27, 1991
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsuneki Inuzuka, Koichi Murakami, Kenji Kurita, Hisashi Sakamaki
  • Patent number: 5032876
    Abstract: A sheet finisher apparatus includes a stacker for stacking sheets, a stapler for stapling sheets, switching device for receiving sheets and conveying them selectively to the sheet stacker or to the stapler, a counter for counting number of sheets to the stapler, and controller for controlling the switching device to convey the sheets to the stapler until a count of the counter reaches a predetermined, and for conveying the sheets to the stacker thereafter.
    Type: Grant
    Filed: August 7, 1990
    Date of Patent: July 16, 1991
    Assignee: Canon Kabushiki Kaisha
    Inventor: Koichi Murakami
  • Patent number: 5008760
    Abstract: An image processing system of the invention has a reader which reads out an image of an original, a page memory which stores image information of the original in the form of electric signals, a disk memory which stores part or all of the image information in the disk memory and also stores image processing information, an image processing section, a digitizer for the operator to input the image processing information, a CRT which displays input information or corrections in conversation language, a DMA controller, and a printer. The image processing system of the invention is capable of DMA transfer without the intermediacy of a CPU. Fewer addresses are required for readout of the image information from the memory, and high speed image processing is achieved.
    Type: Grant
    Filed: August 30, 1989
    Date of Patent: April 16, 1991
    Assignee: Canon Kabushiki Kaisha
    Inventors: Katsuichi Shimizu, Takehiko Shibata, Yoshikazu Yokomizo, Akira Suzuki, Koichi Murakami, Tadashi Yoshida, Masaharu Tsukada, Nao Nagashima, Ken Miyagi
  • Patent number: RE35087
    Abstract: A sheet sorting apparatus with a stapler, includes a plurality of bin trays, bin tray shifting device for moving the plurality of the bin trays stepwisely substantially in the vertical direction to oppose the respective bin trays to a sheet inlet of the sorting apparatus, while expanding the clearance between the bin tray opposed to the sheet inlet and an upper adjacent bin tray to provide a larger clearance than the predetermined clearances, a shaft extending substantially perpendicularly to the extension of the inclined sheet receiving surface, and a stapler, supported rotatably about the shaft and having a stapling head movable to above the sheet receiving surface in a lateral direction by rotation about the shaft and an anvil movable to below the sheet receiving surface by the rotation, for stapling the sheets interposed between the stapling head and the anvil, wherein the bin trays are so disposed that between those ends of adjacent ones of the bin trays which are closer to the sheet inlet are deviated w
    Type: Grant
    Filed: May 29, 1992
    Date of Patent: November 14, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventors: Nobutaka Uto, Hironori Shido, Jun Saito, Masakazu Hiroi, Kenji Kobayashi, Koichi Murakami, Masataka Naito