Patents by Inventor Masahiko Tatsuoka

Masahiko Tatsuoka 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: 7732718
    Abstract: A combination weighing apparatus includes a dispersion unit, conveying units and weighing units. The dispersion unit is arranged to radially disperse product material. The conveying units are arranged around a periphery of the dispersion unit. The weighing units are arranged around a periphery of the conveying units. Each of the conveying units includes a trough. At least one of the troughs has a cross-sectional diameter that gradually increases generally from the inside end to the outside end so that the one of the troughs and an adjacent one of the troughs are kept in contact with each other from the inside ends to the outside ends. At least one of the conveying units has a spiral member disposed over a bottom surface of the trough. The spiral member is configured and arranged to convey the product material supplied from the dispersion unit toward the outside end of the trough.
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: June 8, 2010
    Assignee: Ishida Co., Ltd.
    Inventors: Masahiko Tatsuoka, Hiroshi Hattori, Mikio Kishikawa
  • Publication number: 20100043352
    Abstract: A longitudinal sealing mechanism is adapted to seal an overlapped portion of a packaging material formed into a tubular shape with the overlapped portion extending along a conveying direction of the packaging material. The longitudinal sealing mechanism includes a contact section, a heating section and a receiving member. The contact section comes into contact with the overlapped portion of the packaging material. The heating section heats the contact section to perform longitudinal sealing of the overlapped portion to form a longitudinal seal portion. The receiving member abuts against the contact section with the overlapped portion of the packaging material being disposed therebetween. The contact section, the heating section, and the receiving member are arranged such that an amount of heat per unit time applied to the packaging material from the contact section decreases in a direction toward both sides of the longitudinal seal portion.
    Type: Application
    Filed: October 5, 2007
    Publication date: February 25, 2010
    Applicant: ISHIDA CO., LTD.
    Inventors: Satoshi Hashimoto, Masahiko Tatsuoka, Yukio Sasaki
  • Publication number: 20090277692
    Abstract: A combination weighing apparatus includes a dispersion unit, conveying units and weighing units. The dispersion unit is arranged to radially disperse product material. The conveying units are arranged around a periphery of the dispersion unit. The weighing units are arranged around a periphery of the conveying units. Each of the conveying units includes a trough. At least one of the troughs has a cross-sectional diameter that gradually increases generally from the inside end to the outside end so that the one of the troughs and an adjacent one of the troughs are kept in contact with each other from the inside ends to the outside ends. At least one of the conveying units has a spiral member disposed over a bottom surface of the trough. The spiral member is configured and arranged to convey the product material supplied from the dispersion unit toward the outside end of the trough.
    Type: Application
    Filed: May 8, 2009
    Publication date: November 12, 2009
    Applicant: ISHIDA CO., LTD.
    Inventors: Masahiko TATSUOKA, Hiroshi HATTORI, Mikio KISHIKAWA
  • Patent number: 7228673
    Abstract: The present invention provides a seasoning processing system capable of uniform seasoning and, moreover, having superior cleanability. A seasoning processing system (2) according to the present invention comprises a seasoning dispersion apparatus (20) and a vertical pillow-type bag manufacturing and packaging apparatus (30). The seasoning dispersion apparatus (20) disperses powdered seasoning to be adhered to supplied intermediate articles (X . . . X) from an end part (22b), which is a dispersing mouth, of a second conduit (22). The vertical pillow-type bag manufacturing and packaging apparatus (30) introduces and packages inside a bag shaped packaging material (Fc) seasoned articles (X2. . . X2) to which the powdered seasoning has been adhered. Furthermore, the end part (22b), which is the dispersing mouth,of the second conduit (22) is provided and arranged so that it is positioned inside the bag shaped packaging material (Fc).
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: June 12, 2007
    Assignee: Ishida Co., Ltd.
    Inventors: Kazuya Sugimura, Takao Yoshikawa, Masahiko Tatsuoka
  • Publication number: 20050208185
    Abstract: The present invention provides a seasoning processing system capable of uniform seasoning and, moreover, having superior cleanability. A seasoning processing system (2) according to the present invention comprises a seasoning dispersion apparatus (20) and a vertical pillow-type bag manufacturing and packaging apparatus (30). The seasoning dispersion apparatus (20) disperses powdered seasoning to be adhered to supplied intermediate articles (X . . . X) from an end part (22b), which is a dispersing mouth, of a second conduit (22). The vertical pillow-type bag manufacturing and packaging apparatus (30) introduces and packages inside a bag shaped packaging material (Fc) seasoned articles (X2 . . . X2) to which the powdered seasoning has been adhered. Furthermore, the end part (22b), which is the dispersing mouth, of the second conduit (22) is provided and arranged so that it is positioned inside the bag shaped packaging material (Fc).
    Type: Application
    Filed: June 25, 2004
    Publication date: September 22, 2005
    Applicant: ISHIDA CO., LTD.
    Inventors: Kazuya Sugimura, Takao Yoshikawa, Masahiko Tatsuoka
  • Patent number: 6689961
    Abstract: A combinational weighing apparatus includes a distributing apparatus for distributing articles fed from above, a plurality of conveyance apparatuses disposed radially below and around the distributing apparatus and a plurality of weighing apparatuses disposed below the respective plurality of conveyance apparatuses, the distributing apparatus including a conical distributing table, a stirring member having one end attached to a rotation shaft arranged at an apex portion of the distributing table and the other end extending slantwise downward to the vicinity of a peripheral edge of the distributing table, and a drive unit for rotating the rotation shaft, in which a gap is provided between a lower side of the stirring member and an upper surface of the distributing table so as to be increased downwards.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: February 10, 2004
    Assignee: Ishida Co., Ltd.
    Inventors: Isao Matsuyama, Shinji Shimokawa, Masahiko Tatsuoka, Takashi Kondo
  • Publication number: 20020139589
    Abstract: A combinational weighing apparatus includes a distributing apparatus for distributing articles fed from above, a plurality of conveyance apparatuses disposed radially below and around the distributing apparatus and a plurality of weighing apparatuses disposed below the respective plurality of conveyance apparatuses, the distributing apparatus including a conical distributing table, a stirring member having one end attached to a rotation shaft arranged at an apex portion of the distributing table and the other end extending slantwise downward to the vicinity of a peripheral edge of the distributing table, and a drive unit for rotating the rotation shaft, in which a gap is provided between a lower side of the stirring member and an upper surface of the distributing table so as to be increased downwards.
    Type: Application
    Filed: February 27, 2002
    Publication date: October 3, 2002
    Applicant: Ishida Co., Ltd.
    Inventors: Isao Matsuyama, Shinji Shimokawa, Masahiko Tatsuoka, Takashi Kondo
  • Patent number: 5859389
    Abstract: A combinational weighing or counting apparatus designed to increase the probability of selection of combinations. This combinational weighing or counting apparatus includes a plurality of weighing hoppers (6.sub.i), and a plurality of driving feeders (3.sub.i) for supplying articles (M) from an upstream side towards the corresponding weighing hoppers (6.sub.i) when the driving feeders (3.sub.i) are driven. In this combinational weighing or counting apparatus, the value at which the probability of occurrence of the combinational calculated weight or count, attains a maximum value is chosen to be greater than the target combined weight T.sub.M, but falling within an allowance of an lower limit T.sub.MIN to an upper limit T.sub.MAX of the target combined weight T.sub.M.
    Type: Grant
    Filed: August 24, 1994
    Date of Patent: January 12, 1999
    Assignee: Ishida Co., Ltd.
    Inventors: Masahiko Tatsuoka, Toshiyuki Komatsu
  • Patent number: 5854446
    Abstract: In a combinational weighing apparatus or a combinational counting apparatus, in order to obtain a combinational weighing result generally equal to or close to the target combined value, different values are employed for target supply values T.sub.i to which articles are to be supplied into respective weighing hoppers 6.sub.i.
    Type: Grant
    Filed: October 6, 1997
    Date of Patent: December 29, 1998
    Assignee: Ishida Co., Ltd.
    Inventors: Masahiko Tatsuoka, Toshiyuki Komatsu
  • Patent number: 5765655
    Abstract: A combinational weighing machine has not only a plurality of weighing devices for weighing articles and outputting signals indicative of their weight values and a control system for calculating combinations of the weight values, selecting a combination of weighing devices according to a given criterion and causing articles to be discharged from the selected combination of weighing devices, but also a discharge chute for receiving the discharged articles and leading them to a discharge opening and a guide member disposed inside the discharge chute with a sloped outer surface serving to deflect the articles colliding therewith into a vertically downward direction.
    Type: Grant
    Filed: January 17, 1996
    Date of Patent: June 16, 1998
    Assignee: Ishida Co., Ltd.
    Inventor: Masahiko Tatsuoka
  • Patent number: 5038875
    Abstract: A waterproof automatic weighing apparatus comprising a case hermetically sealed by means of sealing members, internal components lodged in this case, and external components arranged outside this case. The internal components include weight sensing elements, driving sections for opening and closing hopper gates, electromagnetic vibrator sections, and a control unit having an electrical circuit. The external components include a dispersion table, feed troughs, pool hoppers, weighing hoppers, and, as needed memory hoppers. Each of the internal components is hermetically connected to the corresponding external component.
    Type: Grant
    Filed: July 3, 1990
    Date of Patent: August 13, 1991
    Assignee: Ishida Scales Mfg. Co. Ltd.
    Inventors: Kazumi Kitagawa, Satoshi Konishi, Naoki Takahashi, Masahiko Tatsuoka
  • Patent number: 4947946
    Abstract: A double-gated pool hopper is disposed above a pair of single-gated weigh hoppers such that articles in the pool hopper can be selectably discharged into either of the weigh hoppers by opening and closing the corresponding one of the two gates of the pool hopper. A single stepping motor controls the selective opening and closing of the two gates of the pool hopper by rotating in one direction or the other and another single stepping motor controls the selective opening and closing of the gates of the pair of weigh hoppers by rotating in one direction or the other.
    Type: Grant
    Filed: September 13, 1989
    Date of Patent: August 14, 1990
    Assignee: Ishida Scales Mfg. Co. Ltd.
    Inventors: Satoshi Konishi, Masahiko Tatsuoka, Toshiyuki Komatsu
  • Patent number: 4708215
    Abstract: A combinational weighing system with a plurality of article batch handling means has an article feeding means for feeding articles to be weighed into the individual article batch handling means, and after a desired combination or weights within a preselected range is determined by a computer, the article batches from the selected article batch handling means are discharged together to be made into a package. The system also includes a means for measuring the weight of the article accumulated on the article feeding means and the output signal from such a weight-measuring means is transmitted to control the operation of a conveyor for supplying the articles to the article feeding means.
    Type: Grant
    Filed: August 5, 1985
    Date of Patent: November 24, 1987
    Assignee: Ishida Scales Manufacturing Company, Ltd.
    Inventors: Toru Nakamura, Satoshi Konishi, Seiji Yamada, Masahiko Tatsuoka, Michihiro Kubo