Patents by Inventor Kenichi Souma

Kenichi Souma 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).

  • Publication number: 20210001341
    Abstract: Provided is a safety cabinet that reduces a temperature change between a storage environment temperature and a temperature in the safety cabinet to reduce damage to cultured microorganisms, cultured cells, or the like. The safety cabinet that includes a front panel and an operation opening in front of an operation space and an operation stage below the operation space and supplies purified air into the operation space from above, in which the operation stage is provided with a temperature-regulatable portion of which a temperature is regulatable.
    Type: Application
    Filed: October 15, 2018
    Publication date: January 7, 2021
    Inventors: Kenichi SOUMA, Hirotoshi SATO, Takeshi KANEKO
  • Patent number: 10677660
    Abstract: The purpose of the present invention is to provide a temperature traceable indicator capable not only of displaying temperature history, but also adding other additional information. To that end, a temperature traceable indicator according to the present invention is provided with a base material and a temperature indicating laminate disposed on the base material, and is characterized in that the temperature indicating laminate is provided with a coloring layer including a color former, a color developing layer including a color developer for inducing the coloration of the color former, and a barrier layer disposed between the coloring layer and color developing layer, and the barrier layer includes a barrier agent that is immiscible with the color developer, is frozen at a first temperature, and melts beyond a second temperature so as to allow the color developer to become diffused in the coloring layer so that color is produced.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: June 9, 2020
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Toyotaka Yuasa, Hiroyuki Kagawa, Hiroshi Sasaki, Kenichi Souma
  • Patent number: 9935510
    Abstract: An axial-type rotary electric machine that improves a torque and an efficiency relative to a size of a rotor is provided. The axial-type rotary electric machine is provided with a stator having a stator core, and a rotor facing the stator along an axial direction of a rotation axis passing through the stator. The rotor includes a permanent magnet arranged so as to face the stator core in the axial direction of the rotation axis, a yoke arranged so as to face the stator core across the permanent magnet, and a support member supporting the yoke. The support member includes a protrusion protruding so as to face a side surface of the permanent magnet that is on the farther side to the rotation axis.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: April 3, 2018
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Hirooki Tokoi, Yuji Enomoto, Toshifumi Suzuki, Shuichi Takahashi, Kenichi Souma
  • Publication number: 20180045582
    Abstract: The purpose of the present invention is to provide a temperature traceable indicator capable not only of displaying temperature history, but also adding other additional information. To that end, a temperature traceable indicator according to the present invention is provided with a base material and a temperature indicating laminate disposed on the base material, and is characterized in that the temperature indicating laminate is provided with a coloring layer including a color former, a color developing layer including a color developer for inducing the coloration of the color former, and a barrier layer disposed between the coloring layer and color developing layer, and the barrier layer includes a barrier agent that is immiscible with the color developer, is frozen at a first temperature, and melts beyond a second temperature so as to allow the color developer to become diffused in the coloring layer so that color is produced.
    Type: Application
    Filed: January 29, 2016
    Publication date: February 15, 2018
    Inventors: Toyotaka YUASA, Hiroyuki KAGAWA, Hiroshi SASAKI, Kenichi SOUMA
  • Publication number: 20180018626
    Abstract: The purpose of the present invention is to provide a system which, in a product delivery procedure, monitors and manages, more simply and reliably, a deviation from a managed temperature during shipment. To solve the problem, provided is a logistics system, comprising: an information reading and transmitting device which reads an information code which is provided on a product and transmits data which is included in the information code; a server which accumulates, via a communications network, the data which is transmitted from the information reading and transmitting device; and a terminal device which refers to the data which is accumulated in the server via the communications network. The information code is formed from a pattern which changes with an occurrence of a deviation from a specified temperature. The system employs the information code.
    Type: Application
    Filed: February 5, 2016
    Publication date: January 18, 2018
    Inventors: Hiroyuki KAGAWA, Hiroshi SASAKI, Toyotaka YUASA, Kenichi SOUMA
  • Patent number: 9334415
    Abstract: The purpose of the present invention is to prevent the discoloration of an ink even when the ink is printed on a base to be printed and then exposed to a high-temperature environment. An ink including a glass composite, resin and a conducting agent, wherein the glass composite includes Ag2O in the range of 10 mass % to 60 mass %, V2O5 in the range of 5 mass % to 65 mass %, and TeO2 in the range of 15 mass % to 50 mass %, and the total content ratio of the Ag2O, V2O5, and TeO2 is at least 75 mass %.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: May 10, 2016
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Masahiko Ogino, Yuichi Sawai, Takashi Naito, Naoshi Takahashi, Hiroshi Sasaki, Kenichi Souma
  • Publication number: 20160065020
    Abstract: An axial-type rotary electric machine that improves a torque and an efficiency relative to a size of a rotor is provided. The axial-type rotary electric machine is provided with a stator having a stator core, and a rotor facing the stator along an axial direction of a rotation axis passing through the stator. The rotor includes a permanent magnet arranged so as to face the stator core in the axial direction of the rotation axis, a yoke arranged so as to face the stator core across the permanent magnet, and a support member supporting the yoke. The support member includes a protrusion protruding so as to face a side surface of the permanent magnet that is on the farther side to the rotation axis.
    Type: Application
    Filed: January 22, 2014
    Publication date: March 3, 2016
    Applicant: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Hirooki TOKOI, Yuji ENOMOTO, Toshifumi SUZUKI, Shuichi TAKAHASHI, Kenichi SOUMA
  • Patent number: 9211698
    Abstract: The visibility of a printing object using a photo-curable ink is improved. A charge control type ink jet printer includes a nozzle which continuously forms ink droplets, a charging electrode which charges each of the ink droplets, a deflection electrode which deflects the charged ink droplet, and a print head which discharges the deflected ink droplet to print the droplet onto a printed substrate. The print head has a UV light source. The UV light source has a focusing member which focuses UV light onto at least part of a flying path of the ink droplet between the print head and the printed substrate and onto a landed region of the printed substrate, and a light emission source.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: December 15, 2015
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Masahiko Ogino, Hiroshi Sasaki, Takuya Otowa, Tomoko Maejima, Kenichi Souma
  • Publication number: 20150077477
    Abstract: The visibility of a printing object using a photo-curable ink is improved. A charge control type ink jet printer includes a nozzle which continuously forms ink droplets, a charging electrode which charges each of the ink droplets, a deflection electrode which deflects the charged ink droplet, and a print head which discharges the deflected ink droplet to print the droplet onto a printed substrate. The print head has a UV light source. The UV light source has a focusing member which focuses UV light onto at least part of a flying path of the ink droplet between the print head and the printed substrate and onto a landed region of the printed substrate, and a light emission source.
    Type: Application
    Filed: August 19, 2014
    Publication date: March 19, 2015
    Inventors: Masahiko OGINO, Hiroshi SASAKI, Takuya OTOWA, Tomoko MAEJIMA, Kenichi SOUMA
  • Publication number: 20140375736
    Abstract: The purpose of the present invention is to prevent the discoloration of an ink even when the ink is printed on a base to be printed and then exposed to a high-temperature environment. An ink comprising a glass composition, wherein the glass composition (1) comprises Ag, V and a vitrescible component.
    Type: Application
    Filed: December 5, 2012
    Publication date: December 25, 2014
    Inventors: Masahiko Ogino, Yuichi Sawai, Takashi Naito, Naoshi Takahashi, Hiroshi Sasaki, Kenichi Souma
  • Patent number: 8309265
    Abstract: The present invention provides an electrolyte membrane for a fuel cell that has a minute projection cluster on one side or both sides of a polymer electrolyte membrane. Further, the present invention provides a production method of an electrolyte membrane for a fuel cell, wherein a mold comprising convex portions having a fixed planar pattern is pressed on one side or both sides of a polymer electrolyte membrane, then while concave portions of the polymer electrolyte membrane formed in the concave portions are being stretched, the mold is removed from the polymer electrolyte membrane for forming a minute projection cluster.
    Type: Grant
    Filed: August 31, 2004
    Date of Patent: November 13, 2012
    Assignee: Hitachi, Ltd.
    Inventors: Akihiro Miyauchi, Kenichi Souma, Shuichi Suzuki, Yoshiyuki Takamori, Masahiko Ogino, Takashi Ando, Hidetoshi Honbo
  • Patent number: 8171894
    Abstract: An engine system in which hydrogen is employed as a fuel, including a reactor configured to cause a reaction using a catalyst, in which the reactor is constituted by alternately disposing plural exhaust passages and plural fuel passageways of the engine system with a wall interposed therebetween; at least one carrier configured to carry the catalyst and to be formed in a substantially rectangular plate shape is fitted in at least one of fuel passageways; and the carrier is provided with a plate portion which has a surface disposed in a fuel flowing direction and is formed in a substantially rectangular plate shape and at least one slit portion which divides the surface of the plate portion in the fuel flowing direction.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: May 8, 2012
    Assignee: Hitachi, Ltd.
    Inventors: Tadashi Sano, Shigenori Togashi, Takao Ishikawa, Atsushi Shimada, Kenichi Souma
  • Patent number: 7989111
    Abstract: A fuel cell includes cell units each composed of a hydrogen ion conductive polymeric electrolyte membrane, a pair of electrodes arranged on the front and rear faces of the hydrogen ion conductive polymeric electrolyte membrane, and a diffusion layer contacting the electrodes to cover the electrodes. The cell units are pushed down by an end plate having a current-collecting metallic plate and a resin substrate for fixing the current-collecting metallic plate. A layer having a humidity-adjusting component is formed on the surface of the resin substrate of the end plate.
    Type: Grant
    Filed: January 24, 2007
    Date of Patent: August 2, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Osamu Kubota, Kenichi Souma
  • Patent number: 7855032
    Abstract: The present invention provides a fuel cell having an anode to oxidize liquid fuel, a cathode to reduce oxygen, and a solid polymer electrolyte membrane formed between said anode and said cathode, wherein: a porous body, which faces the porous anode, having continuous micro pores which form a liquid fuel feed channel by capillary force and continuous micro pores which do not have liquid retentivity is used; and the liquid fuel is supplied by the capillary negative pressure generated at the anode.
    Type: Grant
    Filed: February 21, 2006
    Date of Patent: December 21, 2010
    Assignee: Hitachi, Ltd.
    Inventors: Tomoichi Kamo, Kenichi Souma
  • Patent number: 7824625
    Abstract: A dehydrogenation fuel theft prevention system for preventing the theft of dehydrogenation organic fuel containing hydrogen is provided. The dehydrogenation fuel theft prevention system is for systems including a reformer for dehydrogenating organic fuel containing at least hydrogen and a dehydrogenation fuel recovery tank for storing dehydrogenation fuel produced when organic fuel is dehydrogenated in the reformer. The theft prevention system is provided with a means for mixing an odorant as a component with a pungent odor other than the fuel components or a agent for coagulating the fuel components. The odorant or the coagulating agent is mixed when fuel is manufactured, distributed, utilized, recovered, or stored or fuel is about to be stolen.
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: November 2, 2010
    Assignee: Hitachi, Ltd.
    Inventors: Masafumi Nojima, Akiyoshi Komura, Takao Ishikawa, Kenichi Souma, Masatoshi Sugimasa, Naoki Yoshimoto
  • Patent number: 7803496
    Abstract: Provided is a fuel cell having a membrane electrode assembly for generating power by oxidizing fuel at an anode electrode and reducing oxygen at a cathode electrode, an anode diffusion layer for allowing fuel to pass therethrough to the outside of the anode electrode of the membrane electrode assembly and transferring electrons generated by the oxidation, a cathode diffusion layer for removing water thus generated and transferring electrons to be used for the reduction to the outside of the cathode electrode, an anode current collector and anode endplate for transferring electrons generated by the oxidation to the outside of the anode diffusion layer, and a cathode current collector and a cathode endplate for transferring electrons to be used for the reduction to the outside of the cathode diffusion layer. The anode endplate or anode current collecting layer is hydrophilic or the end plate on the anode side has a constitution promoting discharge of a gas generated by the reaction.
    Type: Grant
    Filed: February 17, 2006
    Date of Patent: September 28, 2010
    Assignee: Hitachi, Ltd.
    Inventors: Toru Koyama, Osamu Kubota, Hiroshi Sasaki, Kenichi Souma
  • Patent number: 7709131
    Abstract: A fuel cell endplate to be combined with a membrane/electrode assembly comprising a high-polymer electrolytic membrane and electrodes sandwiching the membrane; which comprises a resin substrate, a collector plate and a gasket; the collector plate being in contact with the surface of the resin substrate and the membrane/electrode assembly; the gasket being provided so as to surround the periphery of the collector plate; a terminal connector connected to the collector plate and being disposed at a position where it does not contact with the membrane/electrode assembly.
    Type: Grant
    Filed: August 17, 2005
    Date of Patent: May 4, 2010
    Assignee: Hitachi, Ltd.
    Inventors: Osamu Kubota, Tomoichi Kamo, Kenichi Souma
  • Publication number: 20090246088
    Abstract: A dehydrogenation fuel theft prevention system for preventing the theft of dehydrogenation organic fuel containing hydrogen is provided. The dehydrogenation fuel theft prevention system is for systems including a reformer for dehydrogenating organic fuel containing at least hydrogen and a dehydrogenation fuel recovery tank for storing dehydrogenation fuel produced when organic fuel is dehydrogenated in the reformer. The theft prevention system is provided with a means for mixing an odorant as a component with a pungent odor other than the fuel components or a agent for coagulating the fuel components. The odorant or the coagulating agent is mixed when fuel is manufactured, distributed, utilized, recovered, or stored or fuel is about to be stolen.
    Type: Application
    Filed: February 18, 2009
    Publication date: October 1, 2009
    Inventors: Masafumi Nojima, Akiyoshi Komura, Takao Ishikawa, Kenichi Souma, Masatoshi Sugimasa, Naoki Yoshimoto
  • Patent number: D809457
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: February 6, 2018
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Miki Yamazaki, Manabu Dohi, Eisuke Maruyama, Ryosuke Mikoshiba, Kenichi Souma
  • Patent number: D809458
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: February 6, 2018
    Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
    Inventors: Miki Yamazaki, Manabu Dohi, Eisuke Maruyama, Ryosuke Mikoshiba, Kenichi Souma