Patents by Inventor Katsuro Miyagawa

Katsuro Miyagawa 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: 20200281141
    Abstract: The present invention provides a high rebaudioside M content non-genetically modified stevia plant comprising rebaudioside M at higher content as compared with the wild type stevia species. The present invention also provides a method of producing such a high rebaudioside M content non-genetically modified stevia plant, and a dry leaf obtainable from such a plant.
    Type: Application
    Filed: October 12, 2018
    Publication date: September 10, 2020
    Applicant: SUNTORY HOLDINGS LIMITED
    Inventors: Kazunari IWAKI, Katsuro MIYAGAWA, Tadayoshi HIRAI, Naoko OKITSU, Saori TAKEYAMA
  • Publication number: 20200224235
    Abstract: The purpose of the present invention is to: determine the structure of a novel steviol glycoside which is detected from species containing a large amount of Reb. C (also referred to as dulcoside B), and a trace amount of which is capable of influencing the quality of taste; and understand the taste characteristics of said steviol glycoside. The present invention provides a compound represented by formula (1) or a salt thereof, or a hydrate thereof.
    Type: Application
    Filed: March 28, 2018
    Publication date: July 16, 2020
    Applicant: SUNTORY HOLDINGS LIMITED
    Inventors: Kazunari IWAKI, Katsuro MIYAGAWA, Eiichiro ONO, Tadayoshi HIRAI, Misa OCHIAI, Koji NAGAO, Soichiro URAI, Takehiro WATANABE, Kohki FUJIKAWA
  • Publication number: 20200170209
    Abstract: An objective of the present invention is to provide a stevia plant having a high content of rebaudioside C. The present invention provides a high rebaudioside C-content type, non genetically modified stevia plant that has a higher content of rebaudioside C than wild-type stevia varieties, more specifically at least 20% higher content. The present invention further provides: a method for producing such a high rebaudioside C-content type, non genetically modified stevia plant; and dried leaves obtained from such a plant.
    Type: Application
    Filed: December 26, 2017
    Publication date: June 4, 2020
    Applicant: SUNTORY HOLDINGS LIMITED
    Inventors: Kazunari IWAKI, Eiichiro ONO, Tadayoshi HIRAI, Katsuro MIYAGAWA
  • Publication number: 20190352324
    Abstract: The purpose of the present invention is to determine the structure of a novel steviol glycoside that is detected in cultivers containing an abundance of Reb.C (also called dulcoside B) and that affects the quality of taste in a small amount, and to identify the quality of taste properties. According to the present invention, a compound represented by formula (1), or a derivative, salt, or hydrate thereof is provided.
    Type: Application
    Filed: December 26, 2017
    Publication date: November 21, 2019
    Applicant: SUNTORY HOLDINGS LIMITED
    Inventors: Kazunari IWAKI, Katsuro MIYAGAWA, Eiichiro ONO, Tadayoshi HIRAI, Misa OCHIAI, Koji NAGAO, Soichiro URAI, Takehiro WATANABE, Kohki FUJIKAWA
  • Patent number: 8701344
    Abstract: To provide a plant cultivating substrate which satisfies e.g. the water absorptivity required for plant cultivation, shape retentivity and flexibility and a method of manufacture thereof. In the plant cultivating substrate and the method of its manufacture, at least water-retentive filling material, water, urethane prepolymer and polyol are reacted with each other.
    Type: Grant
    Filed: June 18, 2004
    Date of Patent: April 22, 2014
    Assignee: Suntory Holdings Limitied
    Inventors: Masaki Hashimoto, Katsuro Miyagawa, Katsu Takatsuto
  • Patent number: 8555547
    Abstract: An object of the present invention is to provide a plant cultivating unit that can perform a watering operation in a simple manner and can supply water uniformly to plants in locations where a floor surface is sloped, such as the rooftop of a building, without requiring separate water supply piping work. A plant cultivating unit (1) comprises a water storage tray (2) in which water can be stored and in which receivers (3) for housing the roots of plants can be arranged in an interior thereof, a water storage space (8) in the water storage tray (2) and the receivers (3) being communicated via water feeders (7), and the water stored in the water storage space (8) being able to be supplied to the plants via the water feeders (7).
    Type: Grant
    Filed: November 28, 2006
    Date of Patent: October 15, 2013
    Assignee: Suntory Holdings Limited
    Inventors: Masaki Hashimoto, Katsuro Miyagawa, Masayuki Saito
  • Patent number: 8136295
    Abstract: A plant-culturing tool comprising a planting container for accommodating a plant, and a water storage container that can accommodate the planting container in the interior of the water storage container and that can store water, a guide mechanism in which the planting container makes sliding contact with the water storage container and is guided along a floating or sinking direction thereof. The guide mechanism is composed of a long guide surface having a long sliding portion, and a short guide surface having a short sliding portion that protrudes against the long guide surface, with the two guide surfaces making slide contact each other.
    Type: Grant
    Filed: October 30, 2006
    Date of Patent: March 20, 2012
    Assignee: Suntory Holdings Limited
    Inventors: Masaki Hashimoto, Katsuro Miyagawa, Masayuki Saito
  • Publication number: 20090313892
    Abstract: A plant-culturing tool comprising a planting container for accommodating a plant, and a water storage container that can accommodate the planting container in the interior of the water storage container and that can store water, a guide mechanism in which the planting container makes sliding contact with the water storage container and is guided along a floating or sinking direction thereof. The guide mechanism is composed of a long guide surface having a long sliding portion, and a short guide surface having a short sliding portion that protrudes against the long guide surface, with the two guide surfaces making slide contact each other.
    Type: Application
    Filed: October 30, 2006
    Publication date: December 24, 2009
    Inventors: Masaki Hashimoto, Katsuro Miyagawa, Masayuki Saito
  • Publication number: 20090260282
    Abstract: An object of the present invention is to provide a plant cultivating unit that can perform a watering operation in a simple manner and can supply water uniformly to plants in locations where a floor surface is sloped, such as the rooftop of a building, without requiring separate water supply piping work. A plant cultivating unit (1) comprises a water storage tray (2) in which water can be stored and in which receivers (3) for housing the roots of plants can be arranged in an interior thereof, a water storage space (8) in the water storage tray (2) and the receivers (3) being communicated via water feeders (7), and the water stored in the water storage space (8) being able to be supplied to the plants via the water feeders (7).
    Type: Application
    Filed: November 28, 2006
    Publication date: October 22, 2009
    Applicant: SUNTORY LIMITED
    Inventors: Masaki Hashimoto, Katsuro Miyagawa, Masayuki Saito
  • Publication number: 20080263947
    Abstract: To construct the apparatus convenient in the respects of both the installing space and movability of a culturing vessel. The plant culturing vessel includes a culturing vessel 1 capable of culturing a plant therein, a tank 4 capable of reserving a culturing liquid 3 for the plant therein, a communication passage 26 communicating between the vessel 1 and the tank 4, and a pump P incorporated in the communication passage 26, the pump P being capable of feeding the liquid 3 reserved in the tank 4 to the plant culturing vessel 1. The tank 4 includes a support portion 9 capable of supporting the culturing vessel 1 upwardly of the tank 4. The communication passage 26 is disposed along the support portion. The pump P is provided integrally with the tank.
    Type: Application
    Filed: December 27, 2005
    Publication date: October 30, 2008
    Applicant: SUNTORY LIMITED
    Inventors: Masaki Hashimoto, Katsuro Miyagawa, Saori Nakamura
  • Publication number: 20080250710
    Abstract: A low light cultivation method for cultivating a plant under low light conditions while giving a plant growth promoting agent to the plant, is provided. The plant growth promoting agent contains at least one selected from the group consisting of citric acid, malic acid, and succinic acid.
    Type: Application
    Filed: September 7, 2006
    Publication date: October 16, 2008
    Inventors: Eiji Hirasawa, Katsuro Miyagawa
  • Publication number: 20080005962
    Abstract: To allow distribution of culturing liquid throughout culture medium in a short operation time, without having to additionally provide a supply passage communicated with a tank or a supply pump. A plant culturing apparatus includes a culturing vessel 1 for a plant A, a tank 3 for culturing liquid 2, a communication passage 4 communicating between the vessel 1 and the tank 3, and a pump P incorporated in the communication passage 4, the pump being capable of being switched over between a condition for feeding the reserved liquid 5 to the culturing vessel and a further condition for introducing into the tank, excess liquid 6 and aeration air 7. The communication passage is communicated with the culturing vessel from the bottom side thereof. To the communication passage, there is branch-connected a supply passage 12 capable of feeding the reserved liquid to the culturing vessel from a planting opening side.
    Type: Application
    Filed: December 27, 2005
    Publication date: January 10, 2008
    Inventors: Masaki Hashimoto, Katsuro Miyagawa, Saori Nakamura
  • Publication number: 20060248796
    Abstract: To provide a plant cultivating substrate which satisfies e.g. the water absorptivity required for plant cultivation, shape retentivity and flexibility and a method of manufacture thereof. In the plant cultivating substrate and the method of its manufacture, at least water-retentive filling material, water, urethane prepolymer and polyol are reacted with each other.
    Type: Application
    Filed: June 18, 2004
    Publication date: November 9, 2006
    Inventors: Masaki Hashimoto, Katsuro Miyagawa, Katsu Takatsuto
  • Publication number: 20060168882
    Abstract: [Summary] [Object] to provide a plant culturing apparatus and method which reduce the operating noise, allow liquid feeding and discharging as well as aeration within a culture vessel, thus facilitating culturing of a plant. [Solution] The plant culturing apparatus comprises: a transport unit 3 capable of transporting a fluid W between a culture vessel P for culturing a plant G and a reservoir T capable of reserving therein the fluid W to be fed to the plant G through a feed/discharge tube 2 connected and communicated with the transport unit 3 via a tube pump 1; and a direction switching unit 6 capable of switching a transporting direction of the fluid W by the transporting unit 3 between a direction for feeding the fluid W from the reservoir T to the culture vessel P and the opposite direction for discharging the fluid W from the culture vessel P to the reservoir T.
    Type: Application
    Filed: January 28, 2005
    Publication date: August 3, 2006
    Inventors: Masaki Hashimoto, Katsuro Miyagawa, Kyoko Takeguchi
  • Publication number: 20050005518
    Abstract: In order to allow a watering operation to take place in a stable manner and in an automatic manner to allow an amount of water as needed with growth of a plant, there is provided a plant cultivating method in which plant is cultivated in a plant cultivating flooring member 1 accommodated in a plant cultivating vessel P1 accommodated in a water reservoir vessel P2 reserving water W therein. In the method, the plant cultivating vessel P1 is constructed such that this vessel when accommodating the plant cultivating flooring member 1 therein can float on the water and the vessel includes a water inlet hole 2 formed in a bottom B thereof so as to allow intrusion of water from the outside to the inside thereof under the floating condition.
    Type: Application
    Filed: September 25, 2002
    Publication date: January 13, 2005
    Inventors: Kyoko Iseki, Masaki Hashimoto, Katsuro Miyagawa
  • Patent number: 5843911
    Abstract: Hyaluronidase inhibitor containing GOD-type ellagitannin as an active ingredient, as well as pharmaceuticals and cosmetics containing the inhibitor. The activity of hyaluronidase which hydrolyses hyaluronic acid can be inhibited without causing any toxicity to human, notably in the absence of irritation or any other adverse effects on the skin.
    Type: Grant
    Filed: February 12, 1996
    Date of Patent: December 1, 1998
    Assignee: Suntory Limited
    Inventors: Koichi Nakahara, Katsuro Miyagawa, Tohru Kodama, Wataru Fujii