Patents by Inventor Hiroko Hamada

Hiroko Hamada 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: 20250351751
    Abstract: A new variety of Citrus sp. tree ‘HAYASE’ that has medium tree habit in-between upright and spreading, spindle-shaped leaf blade with acuminate apex and acute base, vestigial wing, fruit with high diameter/height ratio (average 1.31) and medium to heavy weight (average 152.3 g), no neck, a flat distal part, bright orange (JHS 1305) skin color, thin peel thickness, easy to medium peeling, deep orange (JHS 1307) color when fresh, juicy when fresh, high sweetness, very few seeds, early maturity, and low acidity.
    Type: Application
    Filed: January 24, 2025
    Publication date: November 13, 2025
    Applicant: NATIONAL AGRICULTURE AND FOOD RESEARCH ORGANIZATION
    Inventors: Ryoji Matsumoto, Toshio Takahara, Terutaka Yoshioka, Naofumi Hiehata, Takeshi Kuniga, Atsushi Imai, Satoshi Ota, Hiroshi Fukamachi, Keisuke Nonaka, Hiroko Hamada, Shingo Goto, Ayami Hisanaga, Tomoaki Watanabe
  • Publication number: 20180368300
    Abstract: A new and distinct variety of Citrus L. plant named ‘ASUKI’, characterized by being late-maturing, having high brix and excellent taste, being easy to eat because of its soft segment membrane, having no occurrence of fruit rind puffing, and having less dripping of fruit juice.
    Type: Application
    Filed: June 19, 2018
    Publication date: December 20, 2018
    Applicant: National Agriculture and Food Research Organization
    Inventors: Terutaka Yoshioka, Toshio Yoshida, Hirohisa Nesumi, Satoshi Ota, Masayuki Kita, Takeshi Kuniga, Mutsuko Nonomura, Naoko Nakajima, Hiroko Hamada, Keisuke Nonaka, Fumitaka Takishita
  • Patent number: PP31146
    Abstract: A new and distinct variety of Citrus L. plant named ‘ASUKI’, characterized by being late-maturing, having high brix and excellent taste, being easy to eat because of its soft segment membrane, having no occurrence of fruit rind puffing, and having less dripping of fruit juice.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: December 3, 2019
    Assignee: National Agriculture and Food Research Organization
    Inventors: Terutaka Yoshioka, Toshio Yoshida, Hirohisa Nesumi, Satoshi Ota, Masayuki Kita, Takeshi Kuniga, Mutsuko Nonomura, Naoko Nakajima, Hiroko Hamada, Keisuke Nonaka, Fumitaka Takishita
  • Patent number: PP37170
    Abstract: A new variety of Citrus sp. tree ‘HAYASE’ that has medium tree habit in-between upright and spreading, spindle-shaped leaf blade with acuminate apex and acute base, vestigial wing, fruit with high diameter/height ratio (average 1.31) and medium to heavy weight (average 152.3 g), no neck, a flat distal part, bright orange (JHS 1305) skin color, thin peel thickness, easy to medium peeling, deep orange (JHS 1307) color when fresh, juicy when fresh, high sweetness, very few seeds, early maturity, and low acidity.
    Type: Grant
    Filed: January 24, 2025
    Date of Patent: December 23, 2025
    Assignee: NATIONAL AGRICULTURE AND FOOD RESEARCH ORGANIZATION
    Inventors: Ryoji Matsumoto, Toshio Takahara, Terutaka Yoshioka, Naofumi Hiehata, Takeshi Kuniga, Atsushi Imai, Satoshi Ota, Hiroshi Fukamachi, Keisuke Nonaka, Hiroko Hamada, Shingo Goto, Ayami Hisanaga, Tomoaki Watanabe