Patents by Inventor Yasutaka Ohkubo

Yasutaka Ohkubo 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: 10975013
    Abstract: The present invention relates to a method for producing vanillin, including the steps of: (A) distilling a solution containing crude vanillin and an aliphatic dicarboxylic acid dialkyl ester to obtain a vanillin solution; and (B) subjecting the vanillin solution to anti-solvent crystallization. The method for producing vanillin according to the present invention enables production of high-purity vanillin with industrially sufficient efficiency without use of a special apparatus.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: April 13, 2021
    Assignee: T. Hasegawa Co., Ltd
    Inventors: Yasutaka Ohkubo, Yusuke Fukushima, Yu Kinjo
  • Publication number: 20210040024
    Abstract: The present invention relates to a method for producing vanillin, including the steps of: (A) distilling a solution containing crude vanillin and an aliphatic dicarboxylic acid dialkyl ester to obtain a vanillin solution; and (B) subjecting the vanillin solution to anti-solvent crystallization. The method for producing vanillin according to the present invention enables production of high-purity vanillin with industrially sufficient efficiency without use of a special apparatus.
    Type: Application
    Filed: January 24, 2019
    Publication date: February 11, 2021
    Applicant: T. HASEGAWA CO., LTD.
    Inventors: Yasutaka Ohkubo, Yusuke Fukushima, Yu Kinjo
  • Patent number: 10894772
    Abstract: 2-(phenylalkyloxyalkyl)pyridine derivative or a 2-(phenylalkylthioalkyl)pyridine derivative imparts, when added to food and drink or cosmetics as an active ingredient, a flavor of natural impression thereto; and in particular, when added to food and drink, the compound imparts an umami imparting or enhancing, a saltiness enhancing a sweetness enhancing, and in particular, when added to a milk or dairy product, a food or drink product containing a milk or dairy product, or a dairy replacement product, the compound provides a milk richness enhancing.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: January 19, 2021
    Assignee: T. HASEGAWA CO., LTD.
    Inventors: Yamato Miyazawa, Yasutaka Ohkubo, Kenji Haraguchi, Michinaga Takahashi, Shogo Yoshida
  • Patent number: 10882823
    Abstract: 2-(phenylalkyloxyalkyl)pyridine derivative or a 2-(phenylalkylthioalkyl)pyridine derivative imparts, when added to food and drink or cosmetics as an active ingredient, a flavor of natural impression thereto; and in particular, when added to food and drink, the compound imparts an umami imparting or enhancing, a saltiness enhancing a sweetness enhancing, and in particular, when added to a milk or dairy product, a food or drink product containing a milk or dairy product, or a dairy replacement product, the compound provides a milk richness enhancing.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: January 5, 2021
    Assignee: T. HASEGAWA CO., LTD.
    Inventors: Yamato Miyazawa, Yasutaka Ohkubo, Kenji Haraguchi, Michinaga Takahashi, Shogo Yoshida
  • Patent number: 10836724
    Abstract: 2-(phenylalkyloxyalkyl)pyridine derivative or a 2-(phenylalkylthioalkyl)pyridine derivative imparts, when added to food and drink or cosmetics as an active ingredient, a flavor of natural impression thereto; and in particular, when added to food and drink, the compound imparts an umami imparting or enhancing, a saltiness enhancing a sweetness enhancing, and in particular, when added to a milk or dairy product, a food or drink product containing a milk or dairy product, or a dairy replacement product, the compound provides a milk richness enhancing.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: November 17, 2020
    Assignee: T. HASEGAWA CO., LTD.
    Inventors: Yamato Miyazawa, Yasutaka Ohkubo, Kenji Haraguchi, Michinaga Takahashi, Shogo Yoshida
  • Publication number: 20190389801
    Abstract: 2-(phenylalkyloxyalkyl)pyridine derivative or a 2-(phenylalkylthioalkyl)pyridine derivative imparts, when added to food and drink or cosmetics as an active ingredient, a flavor of natural impression thereto; and in particular, when added to food and drink, the compound imparts an umami imparting or enhancing, a saltiness enhancing a sweetness enhancing, and in particular, when added to a milk or dairy product, a food or drink product containing a milk or dairy product, or a dairy replacement product, the compound provides a milk richness enhancing.
    Type: Application
    Filed: September 5, 2019
    Publication date: December 26, 2019
    Inventors: Yamato MIYAZAWA, Yasutaka OHKUBO, Kenji HARAGUCHI, Michinaga TAKAHASHI, Shogo YOSHIDA
  • Publication number: 20190093047
    Abstract: An emulsion composition containing menthyl ethers represented by the formula (1) or a power composition prepared by drying such an emulsion composition can provide an emulsion composition and a powder composition which can be readily incorporated in food and drink or perfumery and has a fresh and mild bitterness (a naringin-like bitterness) with slow bitterness rising; in the formula (1), X represents a partial structural formula (1-a) or (1-b), and R1 and R2 each represent a methyl group, an ethyl group, a propyl group or an isopropyl group.
    Type: Application
    Filed: September 28, 2018
    Publication date: March 28, 2019
    Inventors: Shogo YOSHIDA, Yasutaka OHKUBO, Yui MASUDA, Shogo MURASAWA, Kazuya KAWABATA
  • Publication number: 20180072670
    Abstract: 2-(phenylalkyloxyalkyl)pyridine derivative or a 2-(phenylalkylthioalkyl)pyridine derivative imparts, when added to food and drink or cosmetics as an active ingredient, a flavor of natural impression thereto; and in particular, when added to food and drink, the compound imparts an umami imparting or enhancing, a saltiness enhancing a sweetness enhancing, and in particular, when added to a milk or dairy product, a food or drink product containing a milk or dairy product, or a dairy replacement product, the compound provides a milk richness enhancing.
    Type: Application
    Filed: September 22, 2017
    Publication date: March 15, 2018
    Inventors: Yamato MIYAZAWA, Yasutaka OHKUBO, Kenji HARAGUCHI, Michinaga TAKAHASHI, Shogo YOSHIDA
  • Patent number: 7825286
    Abstract: This invention offers 6,8,10-undecatrien-3-ol and 6,8,10-undecatrien-4-ol. These compounds possess not only woody green note, but also fruity note rich in naturality and freshness, and aroma compositions blended therewith are useful for imparting fragrance and flavor to food and beverage, perfumed cosmetics, medicaments and the like.
    Type: Grant
    Filed: June 6, 2008
    Date of Patent: November 2, 2010
    Assignee: T. Hasegawa Co., Ltd.
    Inventors: Akira Nakanishi, Yasutaka Ohkubo, Naomi Tomita, Tomoko Maeda, Norio Miyazawa
  • Patent number: 7795474
    Abstract: This invention offers 6,8,10-undecatrien-3-one or 6,8,10-undecatrien-4-one which are represented by the following formula (1) [in the formula, either one of A and B stands for carbonyl group and the other stands for methylene group, and the wavy line signifies cis-form, trans-form, or a mixture of cis- and trans-form at an optional ratio] and which can reproduce an odor rich in naturality and freshness.
    Type: Grant
    Filed: April 3, 2008
    Date of Patent: September 14, 2010
    Assignee: T. Hasegawa Co., Ltd.
    Inventors: Akira Nakanishi, Yasutaka Ohkubo, Naomi Tomita, Norio Miyazawa, Tomoko Maeda
  • Publication number: 20100137648
    Abstract: This invention offers 6,8,10-undecatrien-3-one or 6,8,10-undecatrien-4-one which are represented by the following formula (1) [in the formula, either one of A and B stands for carbonyl group and the other stands for methylene group, and the wavy line signifies cis-form, trans-form, or a mixture of cis- and trans-form at an optional ratio] and which can reproduce an odor rich in naturality and freshness.
    Type: Application
    Filed: April 3, 2008
    Publication date: June 3, 2010
    Inventors: Akira Nakanishi, Yasutaka Ohkubo, Naomi Tomita, Norio Miyazawa, Tomoko Maeda
  • Publication number: 20100130794
    Abstract: This invention offers 6,8,10-undecatrien-3-ol and 6,8,10-undecatrien-4-ol. These compounds possess not only woody green note, but also fruity note rich in naturality and freshness, and aroma compositions blended therewith are useful for imparting fragrance and flavor to food and beverage, perfumed cosmetics, medicaments and the like.
    Type: Application
    Filed: June 6, 2008
    Publication date: May 27, 2010
    Inventors: Akira Nakanishi, Yasutaka Ohkubo, Naomi Tomita, Tomoko Maeda, Norio Miyazawa