Patents by Inventor Tomoyoshi Tokumaru

Tomoyoshi Tokumaru 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: 10816461
    Abstract: A gas sensor includes: a gas detection unit including a light source and a detector; and a gas passage including a first end, a second end and a hollow part. The hollow part has a shape in which a cross-sectional area of a flow passage grows smaller. The gas passage includes: a member that divides the hollow part into at least a first area and a second area; a gas inflow port; and a gas outflow port. The gas flows from the gas inflow port into the hollow part, flows in the first area to arrive at the gas detection unit, and the gas located in the gas detection unit flows in the second area and flows out from the gas outflow port.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: October 27, 2020
    Assignee: PHC HOLDINGS CORPORATION
    Inventors: Kiminori Mizuuchi, Masaki Yamamoto, Akira Sakaguchi, Hidenori Watanabe, Tomoyoshi Tokumaru, Tsugumasa Hitomi
  • Publication number: 20190049370
    Abstract: A gas sensor includes: a gas detection unit including a light source and a detector; and a gas passage including a first end, a second end and a hollow part. The hollow part has a shape in which a cross-sectional area of a flow passage grows smaller. The gas passage includes: a member that divides the hollow part into at least a first area and a second area; a gas inflow port; and a gas outflow port. The gas flows from the gas inflow port into the hollow part, flows in the first area to arrive at the gas detection unit, and the gas located in the gas detection unit flows in the second area and flows out from the gas outflow port.
    Type: Application
    Filed: October 15, 2018
    Publication date: February 14, 2019
    Inventors: Kiminori MIZUUCHI, Masaki YAMAMOTO, Akira SAKAGUCHI, Hidenori WATANABE, Tomoyoshi TOKUMARU, Tsugumasa HITOMI
  • Publication number: 20190024036
    Abstract: A culture apparatus including: a heat-insulated casing including an inner case surrounding a culture space, and an outer case, the heat-insulated casing having an opening; a box-shaped heat-insulated door to open and close the opening; and, one or more heaters provided to one or more inner surfaces of the inner case and an inner surface of an inner wall surface of the heat-insulated door, the inner wall surface facing the culture space when the door is closed; the heaters including one or more first heaters turned on when the interior of the culture space is at a first temperature to incubate a culture in the culture space and when the interior of the culture space is controlled at a second temperature to make the interior of the culture space, and second heaters to be energized when the interior of the culture space is controlled at the second temperature to sterilize the interior of the culture space.
    Type: Application
    Filed: September 26, 2018
    Publication date: January 24, 2019
    Inventors: Tsugumasa HITOMI, Tomoyoshi TOKUMARU
  • Patent number: 10150940
    Abstract: A culture apparatus, configured to cultivate a culture, includes: an outer case; an inner case, configured with metal plates, arranged inside the outer case; a door to open/close an opening formed in a front face of the inner cases; and a shelf on which the culture is to be placed, wherein side plates on both sides of the inner case respectively include rising portions having shelf rests, formed by press working, on which side parts on both sides of a bottom surface of the shelf are to be placed, and the rising portions respectively configure faces that are positioned and pressed in a direction away from side plates on both sides of the outer case, with respect to a gasket in a vertical direction provided to the opening, the faces being opposed in a width direction to side parts on both sides of the shelf, respectively.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: December 11, 2018
    Assignee: PHC HOLDINGS CORPORATION
    Inventor: Tomoyoshi Tokumaru
  • Patent number: 10041034
    Abstract: A culture apparatus includes an outer case, an inner case inside the outer case, shelves, where cultures are to be placed, arranged in a vertical direction inside the inner case, and a door, configured to open/close an opening formed in a front face of the inner cases, wherein side plates on both sides of the inner case include shelf rests, on which side ends on both sides of bottom surfaces of the shelves are to be placed, respectively, and stoppers provided to the shelf rests such that the respective upper shelf rests limit movement in the vertical direction of the respective shelves placed on the respective lower shelf rests respectively adjacent to the upper shelf rests, and the side ends are bent along a shape of the stoppers provided to the upper shelf rests, in a state where the shelves are placed on the lower shelf rests.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: August 7, 2018
    Assignee: PHC HOLDINGS CORPORATION
    Inventor: Tomoyoshi Tokumaru
  • Patent number: 10041033
    Abstract: A culture apparatus comprises an outer case, an inner case configured with two side plates, a bottom plate and a top plate, and arranged inside the outer case, a door configured to open and close an opening formed in a front face of the inner case, and a plurality of shelves. Each of the side plates include raised portions vertically arranged and formed by press working. The raised portions of the side plates constitute plural pairs of shelf rests. Each of the raised portions includes an upper face as a placement portion, on which one of the plurality of shelves is to be placed, and a lower face. A stopper portion which limits movement in a vertical direction of a shelf placed on an immediately lower pair of shelf rests is provided on the lower face and protrudes from the lower face by the press working.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: August 7, 2018
    Assignee: PHC HOLDINGS CORPORATION
    Inventor: Tomoyoshi Tokumaru
  • Patent number: 10023834
    Abstract: A culture apparatus that cultivates a culture, which includes an outer case, an inner case configured with metal plates inside the outer case, a heater outside the inner case, and a door, which opens/closes an opening formed in front faces of the inner cases, includes: shelf rests on which side parts of a bottom plate of a shelf are to be placed, the shelf rests formed by pressing on side plates of the inner case; and a heat transfer sheet attached to an outer surface of at least one of the side plates and configured to transfer heat of the heater to the inner case, the heat transfer sheet including slits, intermittently formed, to bend the sheet to depressions of the outer surface of the side plate at positions corresponding to the shelf rests, after the heat transfer sheet is attached to the outer surface.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: July 17, 2018
    Assignee: PHC Holdings Corporation
    Inventor: Tomoyoshi Tokumaru
  • Patent number: 9932555
    Abstract: The present invention includes a conveyor body which partitions a plurality of storage chambers, a connection opening connected to an external device, and a conveying chamber that connects the plurality of storage chambers to the connection opening, a plurality of incubators detachably stored in the plurality of incubators, a conveyor device that conveys one of the plurality of incubators from the storage chamber to the connection opening, and an environment control device that individually controls an interior environment of the plurality of incubators by supplying and discharging gas to and from each incubator.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: April 3, 2018
    Assignee: PANASONIC HEALTHCARE HOLDINGS CO., LTD.
    Inventors: Tomoyoshi Tokumaru, Akira Higuchi
  • Patent number: 9902931
    Abstract: A culture apparatus is provided which can suppress condensation on walls of a culture space and the like to suppress adverse effects on a culture material. In the culture apparatus having a culture space formed in a heat insulating box main body, a humidification water reservoir for humidifying the culture space is disposed in the heat insulating box main body. A heat transfer condensation member in which a condensation portion at one end and a cooling portion at the other end are integrated is disposed such that the cooling portion is disposed outside the heat insulating box main body, while the condensation portion is disposed inside the culture space. The condensation portion is disposed so that condensed water on the surface thereof is led into the humidification water reservoir.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: February 27, 2018
    Assignee: PANASONIC HEALTHCARE HOLDINGS CO., LTD.
    Inventors: Tomoyoshi Tokumaru, Masahiko Kobayashi
  • Publication number: 20180010081
    Abstract: A culture apparatus includes: an inner case having an opening in a front surface and stainless-steel shelf rests on left and right side surfaces, the inner case configured to be sterilized with hydrogen peroxide or by dry heat sterilization; and a stainless-steel shelf plate placed on the shelf rests and slid in a front-back direction, the stainless-steel shelf plate configured to be sterilized with hydrogen peroxide or by dry heat sterilization. The shelf plate has a base surface on which a culture is placed, flanges respectively formed by being bent upward, at bent portions in end portions on left and right sides of the base surface, and sliding members respectively provided to outer surfaces of the flanges, at least on a front side in a direction of movement when the shelf plate is being inserted, the sliding members made of a material different from a material of the inner case.
    Type: Application
    Filed: September 22, 2017
    Publication date: January 11, 2018
    Inventors: Manami BABA, Tomoyoshi TOKUMARU
  • Patent number: 9677041
    Abstract: A culture apparatus is provided which can suppress condensation on walls of a culture space and the like to suppress adverse effects on a culture material. In the culture apparatus having a culture space formed in a heat insulating box main body, a humidification water reservoir for humidifying the culture space and a heat transfer condensation member penetrating the heat insulating box main body are provided. One end of the heat transfer condensation member is disposed inside the culture space, while the other end is disposed outside the heat insulating box main body. The heat transfer condensation member is positioned such that a condensation portion disposed inside the culture space is inclined downward to the one end, and the one end leads condensed water condensed on the surface of the condensation portion into the humidification water reservoir.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: June 13, 2017
    Assignee: PANASONIC HEALTHCARE HOLDINGS CO., LTD.
    Inventors: Tomoyoshi Tokumaru, Masahiko Kobayashi
  • Patent number: 9448249
    Abstract: A dispensing apparatus includes: a dish mounting portion having a mounting surface configured to be mounted with a dish having a bottom surface and a side surface surrounding the bottom surface; a syringe, arranged above the dish mounting portion, having a nozzle configured to discharge liquid toward an interior of the dish; and a first driving portion configured to rotate an inner bottom surface of the dish mounted on the dish mounting portion with respect to a first axis as a center of rotation, wherein the first axis is parallel to the mounting surface of the dish mounting portion.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: September 20, 2016
    Assignee: PANASONIC HEALTHCARE HOLDINGS CO., LTD.
    Inventor: Tomoyoshi Tokumaru
  • Publication number: 20160186114
    Abstract: A culture apparatus comprises an outer case, an inner case configured with two side plates, a bottom plate and a top plate, and arranged inside the outer case, a door configured to open and close an opening formed in a front face of the inner case, and a plurality of shelves. Each of the side plates include raised portions vertically arranged and formed by press working. The raised portions of the side plates constitute plural pairs of shelf rests. Each of the raised portions includes an upper face as a placement portion, on which one of the plurality of shelves is to be placed, and a lower face. A stopper portion which limits movement in a vertical direction of a shelf placed on an immediately lower pair of shelf rests is provided on the lower face and protrudes from the lower face by the press working.
    Type: Application
    Filed: March 9, 2016
    Publication date: June 30, 2016
    Inventor: Tomoyoshi TOKUMARU
  • Publication number: 20160186122
    Abstract: A culture apparatus that cultivates a culture, which includes an outer case, an inner case configured with metal plates inside the outer case, a heater outside the inner case, and a door, which opens/closes an opening formed in front faces of the inner cases, includes: shelf rests on which side parts of a bottom plate of a shelf are to be placed, the shelf rests formed by pressing on side plates of the inner case; and a heat transfer sheet attached to an outer surface of at least one of the side plates and configured to transfer heat of the heater to the inner case, the heat transfer sheet including slits, intermittently formed, to bend the sheet to depressions of the outer surface of the side plate at positions corresponding to the shelf rests, after the heat transfer sheet is attached to the outer surface.
    Type: Application
    Filed: March 9, 2016
    Publication date: June 30, 2016
    Inventor: Tomoyoshi TOKUMARU
  • Publication number: 20160186116
    Abstract: A culture apparatus, configured to cultivate a culture, includes: an outer case; an inner case, configured with metal plates, arranged inside the outer case; a door to open/close an opening formed in a front face of the inner cases; and a shelf on which the culture is to be placed, wherein side plates on both sides of the inner case respectively include rising portions having shelf rests, formed by press working, on which side parts on both sides of a bottom surface of the shelf are to be placed, and the rising portions respectively configure faces that are positioned and pressed in a direction away from side plates on both sides of the outer case, with respect to a gasket in a vertical direction provided to the opening, the faces being opposed in a width direction to side parts on both sides of the shelf, respectively.
    Type: Application
    Filed: March 9, 2016
    Publication date: June 30, 2016
    Inventor: Tomoyoshi TOKUMARU
  • Publication number: 20160186115
    Abstract: A culture apparatus includes an outer case, an inner case inside the outer case, shelves, where cultures are to be placed, arranged in a vertical direction inside the inner case, and a door, configured to open/close an opening formed in a front face of the inner cases, wherein side plates on both sides of the inner case include shelf rests, on which side ends on both sides of bottom surfaces of the shelves are to be placed, respectively, and stoppers provided to the shelf rests such that the respective upper shelf rests limit movement in the vertical direction of the respective shelves placed on the respective lower shelf rests respectively adjacent to the upper shelf rests, and the side ends are bent along a shape of the stoppers provided to the upper shelf rests, in a state where the shelves are placed on the lower shelf rests.
    Type: Application
    Filed: March 9, 2016
    Publication date: June 30, 2016
    Inventor: Tomoyoshi TOKUMARU
  • Publication number: 20160160168
    Abstract: The present invention includes a conveyor body which partitions a plurality of storage chambers, a connection opening connected to an external device, and a conveying chamber that connects the plurality of storage chambers to the connection opening, a plurality of incubators detachably stored in the plurality of incubators, a conveyor device that conveys one of the plurality of incubators from the storage chamber to the connection opening, and an environment control device that individually controls an interior environment of the plurality of incubators by supplying and discharging gas to and from each incubator.
    Type: Application
    Filed: February 16, 2016
    Publication date: June 9, 2016
    Inventors: Tomoyoshi TOKUMARU, Akira HIGUCHI
  • Patent number: 9347858
    Abstract: A dispensing device includes: a syringe including a nozzle; a first pump configured to generate a pressure to discharge a liquid in the syringe through the nozzle; and a control unit configured to, when discharging the liquid in the syringe, discharge a part of the liquid in the syringe with the pressure generated by the first pump and then cause the liquid in the syringe to run out under its own weight.
    Type: Grant
    Filed: September 27, 2013
    Date of Patent: May 24, 2016
    Assignee: PANASONIC HEALTHCARE HOLDINGS CO., LTD.
    Inventors: Tomoyoshi Tokumaru, Takahiro Inoue
  • Patent number: D894395
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: August 25, 2020
    Assignee: PHC CORPORATION
    Inventors: Yoshiaki Iida, Akihiro Mochizuki, Fumio Yamada, Tomoyoshi Tokumaru, Keisuke Taira
  • Patent number: D904618
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: December 8, 2020
    Assignee: PHC CORPORATION
    Inventors: Yoshiaki Iida, Akihiro Mochizuki, Fumio Yamada, Tomoyoshi Tokumaru, Keisuke Taira