Patents by Inventor Shigeru Sasabe

Shigeru Sasabe 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: 10815134
    Abstract: The water treatment device according to the present disclosure includes: an electrochemical cell having electrodes including a positive electrode and a negative electrode, and a bipolar membrane; a tank; a power supply configured to apply power to the electrodes; a water circulation flow path having at least the tank and the electrochemical cell and through which water circulates; a circulation device configured to circulate water in the water circulation flow path; a raw water supply path configured to supply raw water to the water circulation flow path; and a control device. In performing water softening treatment in the electrochemical cell where power is applied to the electrodes so as to remove ions from raw water and soft water is produced, the control device drives the circulation device so as to circulate water in the water circulation flow path.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: October 27, 2020
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Shigeru Sasabe, Tomoko Tani, Noriyoshi Ueya, Kazuo Imai, Hiroaki Kitagawa
  • Publication number: 20200094242
    Abstract: An ion exchange membrane according to the present disclosure is provided with: a cation exchange composition body that is composed of cation exchange resin particles and a binder resin; and an anion exchange composition body that is composed of anion exchange resin particles and a binder resin. At least one of the cation exchange composition body and the anion exchange composition body is configured to contain a thermally infusible additive.
    Type: Application
    Filed: December 18, 2017
    Publication date: March 26, 2020
    Inventors: Yoshinao OOE, Shigeru SASABE, Tomoko TANI, Katsuhiko UNO
  • Patent number: 10507429
    Abstract: An electrochemical cell according to the present disclosure includes a casing provided with an inflow port and an outflow port, a bipolar membrane laminated body in which two or more bipolar membranes are laminated so as to be opposed, electrodes disposed so as to sandwich the bipolar membrane laminated body, and a first diffusion member disposed between the inflow port and the bipolar membrane laminated body, and provided with through holes communicating between the inflow port and the bipolar membrane laminated body. The first diffusion member is formed such that each of the through holes provided in a peripheral edge portion has a larger opening area than an opening area of the through holes provided in a central portion. This can uniformize a flow of water, so that water treatment can be efficiently executed.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: December 17, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Shigeru Sasabe, Daisuke Suzuki, Tomoko Tani, Noriyoshi Ueya, Katsuhiko Uno, Masahiro Ohama
  • Patent number: 10392273
    Abstract: An ion exchange membrane is provided with a first cation exchange composition which has a cation exchange group and is formed in a sheet form; a first anion exchange composition which is disposed to be in contact with the first cation exchange composition, has an anion exchange group, and is formed in a sheet form. Furthermore, the ion exchange membrane is provided with a second cation exchange composition which has a cation exchange group, which is formed in a sheet form, and which is disposed to be opposed to the first cation exchange composition, and through which water permeates more easily than in the first cation exchange composition; and a second anion exchange composition which has an anion exchange group, which is formed in a sheet form, and which is disposed to be opposed to the first anion exchange composition, and through which water permeates more easily than in the first anion exchange composition.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: August 27, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Shigeru Sasabe, Yuji Nakata, Daisuke Suzuki, Tomoko Tani, Yoshinao Ooe, Katsuhiko Uno
  • Publication number: 20190112204
    Abstract: The water treatment device according to the present disclosure includes: an electrochemical cell having electrodes including a positive electrode and a negative electrode, and a bipolar membrane; a tank; a power supply configured to apply power to the electrodes; a water circulation flow path having at least the tank and the electrochemical cell and through which water circulates; a circulation device configured to circulate water in the water circulation flow path; a raw water supply path configured to supply raw water to the water circulation flow path; and a control device. In performing water softening treatment in the electrochemical cell where power is applied to the electrodes so as to remove ions from raw water and soft water is produced, the control device drives the circulation device so as to circulate water in the water circulation flow path.
    Type: Application
    Filed: April 24, 2017
    Publication date: April 18, 2019
    Inventors: Shigeru SASABE, Tomoko TANI, Noriyoshi UEYA, Kazuo IMAI, Hiroaki KITAGAWA
  • Publication number: 20180369755
    Abstract: An electrochemical cell according to the present disclosure includes a casing provided with an inflow port and an outflow port, a bipolar membrane laminated body in which two or more bipolar membranes are laminated so as to be opposed, electrodes disposed so as to sandwich the bipolar membrane laminated body, and a first diffusion member disposed between the inflow port and the bipolar membrane laminated body, and provided with through holes communicating between the inflow port and the bipolar membrane laminated body. The first diffusion member is formed such that each of the through holes provided in a peripheral edge portion has a larger opening area than an opening area of the through holes provided in a central portion. This can uniformize a flow of water, so that water treatment can be efficiently executed.
    Type: Application
    Filed: October 31, 2016
    Publication date: December 27, 2018
    Inventors: Shigeru SASABE, Daisuke SUZUKI, Tomoko TANI, Noriyoshi UEYA, Katsuhiko UNO, Masahiro OHAMA
  • Publication number: 20180037477
    Abstract: A water treatment apparatus of the present disclosure includes an electrochemical cell provided with an inlet and an outlet, a power supply that supplies electric power to electrodes, a first water flow path connected with the inlet, a second water flow path connected with the outlet, a soft water supply unit that feeds soft water to the inlet, and a flow adjustor that regulates a flow rate of water passing through the second water flow path. The water treatment apparatus further includes a controller that controls electric power supplied from the power supply to the electrodes, the flow rate of water passing through the second water flow path by use of the flow adjustor, and soft water fed to the inlet by use of the soft water supply unit when a process for regenerating the electrochemical cell is executed. As a result, the apparatus can reduce the hardness and electric conductivity of water fed into the electrochemical cell during regeneration of an ion exchange membrane and restrain scale formation.
    Type: Application
    Filed: January 15, 2016
    Publication date: February 8, 2018
    Inventors: SHIGERU SASABE, DAISUKE SUZUKI, YOSHINAO OOE, TOMOKO TANI, KATSUHIKO UNO
  • Publication number: 20170057848
    Abstract: An ion exchange membrane is provided with a first cation exchange composition which has a cation exchange group and is formed in a sheet form; a first anion exchange composition which is disposed to be in contact with the first cation exchange composition, has an anion exchange group, and is formed in a sheet form. Furthermore, the ion exchange membrane is provided with a second cation exchange composition which has a cation exchange group, which is formed in a sheet form, and which is disposed to be opposed to the first cation exchange composition, and through which water permeates more easily than in the first cation exchange composition; and a second anion exchange composition which has an anion exchange group, which is formed in a sheet form, and which is disposed to be opposed to the first anion exchange composition, and through which water permeates more easily than in the first anion exchange composition.
    Type: Application
    Filed: March 11, 2015
    Publication date: March 2, 2017
    Applicant: Pansonic Intellectual Property Management Co., Ltd
    Inventors: SHIGERU SASABE, YUJI NAKATA, DAISUKE SUZUKI, TOMOKO TANI, YOSHINAO OOE, KATSUHIKO UNO
  • Publication number: 20040213701
    Abstract: A gas sensor including: an insulating substrate; a pair of thin film electrodes provided on the insulating substrate in such a manner as to leave a fixed space between them; a gas sensitive film including a metallic oxide which is provided in such a manner as to substantially fill at least the fixed space left between the electrodes; and a catalytically active protective layer formed in such a manner as to cover the surface of the metallic oxide exposed to the outside.
    Type: Application
    Filed: June 10, 2004
    Publication date: October 28, 2004
    Inventors: Akiyoshi Hattori, Nobuyuki Machii, Yoshihiro Hori, Katsuya Wakita, Shigeru Sasabe, Yukako Akeyama, Tomoko Wada
  • Patent number: 5817829
    Abstract: The present invention provides a plant disease control agent containing as active ingredient one or more compounds of the formula ?1!A--COOR.sup.1 ?1!whereinR.sup.1 represents a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group, andA represents a group of the formula (A-1) or (A-2) ##STR1## R.sup.2 represents a C.sub.1 -C.sub.4 alkyl group, R.sup.3 represents a C.sub.1 -C.sub.4 alkyl group,R.sup.4 represents a halogen atom or a C.sub.1 -C.sub.4 alkyl group, andR.sup.5 represents a C.sub.1 -C.sub.4 alkyl group.Further, the compound of A-1 in the formula ?1! in which R.sup.3 is a halogen atom is also included in the present invention.
    Type: Grant
    Filed: October 23, 1996
    Date of Patent: October 6, 1998
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Shigeaki Akiyama, Toshiaki Takeyama, Junichi Watanabe, Yasuyuki Nakajima, Hiroyuki Suzuki, Yoshiaki Yasumi, Takamasa Kikuchi, Hiroshi Ohya, Shigeru Sasabe, Masanori Nishioka, Takashi Furusato