Patents by Inventor Naoki Izawa
Naoki Izawa 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).
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Patent number: 11978612Abstract: A plasma processing apparatus includes a processing chamber in which a sample is subjected to plasma processing, a first radio frequency power supply that supplies radio frequency power for generating plasma, a sample stage on which the sample is mounted, and a second radio frequency power supply that supplies radio frequency power to the sample stage, the plasma processing apparatus further includes a DC power supply that applies a DC voltage, that is changed according to a periodically repeated waveform, to the sample stage, and the waveform of one cycle has a period in which amplitude changes by a predetermined amount or more during a predetermined time. Accordingly, charged particles on a wafer surface are removed, a trench shape with high verticality can be obtained, and damage to a film that is not to be etched inside a trench can be reduced.Type: GrantFiled: July 11, 2022Date of Patent: May 7, 2024Assignee: HITACHI HIGH-TECH CORPORATIONInventors: Isao Mori, Masaru Izawa, Naoki Yasui, Norihiko Ikeda, Kazuya Yamada
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Patent number: 11644458Abstract: A method is shown for preparing a specimen for extensively analyzing a resident skin bacterium and/or a substance present in the stratum corneum, such as a protein or a lipid, or observing the shape of the stratum corneum. A method for preparing a specimen for analyzing a resident skin bacterium and/or a substance present m the stratum corneum or observing the shape of the stratum, includes applying a solution containing a polyvinyl alcohol polymer to the skin so as to form a thin-film and peeling and collecting the formed thin-film.Type: GrantFiled: August 31, 2017Date of Patent: May 9, 2023Assignee: KABUSHIKI KAISHA YAKULT HONSHAInventors: Daisuke Niwa, Akemi Imaoka, Naoki Izawa, Yasuyuki Takahashi, Miyuki Kudo
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Patent number: 11248205Abstract: Provided is a culture product having a mild rose aroma and suitable for imparting the rose aroma to a cosmetic product, a food or a drink, a pharmaceutical product, and the like. A culture product, which is obtained by fermenting a lactic acid bacterium culture product in a medium containing a milk component with Kluyveromyces marxianus, and comprises isoamyl alcohol in an amount of 0.3 to 5 parts by mass with respect to 1 part by mass of phenylethyl acetate.Type: GrantFiled: June 26, 2017Date of Patent: February 15, 2022Assignee: KABUSHIKI KAISHA YAKULT HONSHAInventors: Naoki Izawa, Miyuki Kudo, Toshiro Sone
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Publication number: 20200292525Abstract: Provided is a method for preparing a specimen for extensively analyzing a resident skin bacterium and/or a substance present in the stratum corneum, such as a protein or a lipid, or observing the shape of the stratum corneum. A method for preparing a specimen for analyzing a resident skin bacterium and/or a substance present in the stratum corneum or observing the shape of the stratum, comprising applying a solution containing a polyvinyl alcohol polymer to the skin so as to form a thin-film and peeling and collecting the formed thin-film.Type: ApplicationFiled: August 31, 2017Publication date: September 17, 2020Applicant: KABUSHIKI KAISHA YAKULT HONSHAInventors: Daisuke NIWA, Akemi IMAOKA, Naoki IZAWA, Yasuyuki TAKAHASHI, Miyuki KUDO
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Publication number: 20200165563Abstract: Provided is a culture product having a mild rose aroma and suitable for imparting the rose aroma to a cosmetic product, a food or a drink, a pharmaceutical product, and the like. A culture product, which is obtained by fermenting a lactic acid bacterium culture product in a medium containing a milk component with Kluyveromyces marxianus, and comprises isoamyl alcohol in an amount of 0.3 to 5 parts by mass with respect to 1 part by mass of phenylethyl acetate.Type: ApplicationFiled: June 26, 2017Publication date: May 28, 2020Applicant: KABUSHIKI KAISHA YAKULT HONSHAInventors: Naoki IZAWA, Miyuki KUDO, Toshiro SONE
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Patent number: 10485255Abstract: A culture product comprising a large quantity of ethyl benzoate and has a more complex and fresher fruity aroma than a chemically synthesized product. The culture product is obtained by culturing a microorganism belonging to the genus Wickerhamomyces in a milk component-containing culture medium.Type: GrantFiled: January 18, 2016Date of Patent: November 26, 2019Assignee: KABUSHIKI KAISHA YAKULT HONSHAInventors: Naoki Izawa, Miyuki Kudo, Toshiro Sone
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Patent number: 10426804Abstract: A pentosidine production inhibitor including a lactic acid bacterium fermentation product as an active ingredient, which has a stronger action and a high safety as a component having an action of inhibiting production of pentosidine.Type: GrantFiled: June 25, 2014Date of Patent: October 1, 2019Assignee: Kabushiki Kaisha Yakult HonshaInventors: Naoki Izawa, Daisuke Niwa, Toshiro Sone
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Publication number: 20180000139Abstract: A culture product comprising a large quantity of ethyl benzoate and has a more complex and fresher fruity aroma than a chemically synthesized product. The culture product is obtained by culturing a microorganism belonging to the genus Wickerhamomyces in a milk component-containing culture medium.Type: ApplicationFiled: January 18, 2016Publication date: January 4, 2018Applicant: KABUSHIKI KAISHA YAKULT HONSHAInventors: Naoki IZAWA, Miyuki KUDO, Toshiro SONE
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Publication number: 20160166622Abstract: A pentosidine production inhibitor including a lactic acid bacterium fermentation product as an active ingredient, which has a stronger action and a high safety as a component having an action of inhibiting production of pentosidine.Type: ApplicationFiled: June 25, 2014Publication date: June 16, 2016Applicant: Kabushiki Kaisha Yakult HonshaInventors: Naoki IZAWA, Daisuke NIWA, Toshiro SONE
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Patent number: 9320602Abstract: Provided is a method for easily producing a lamellar compressed fiber structural material which has mechanical characteristics close to those of in vivo bone and which is capable of easily increasing osteoblast even when a difference in strength exists. In order to solve the issues, the method for producing compressed fiber structural material 1, includes: a step of preparing biocompatible fiber 14 having an average diameter of 5 ?m-50 ?m and an aspect ratio of 20-500; and a step of molding compressed fiber structural material 1 by cold pressing/shearing biocompatible fiber 14, compressed fiber structural material 1 having an average pore diameter that is in the range of 60 ?m-100 ?m inclusive and a void fraction that is in the range of 25%-50% inclusive, both obtained by measurement in accordance with the mercury penetration method.Type: GrantFiled: March 9, 2012Date of Patent: April 26, 2016Assignee: SHINSHU UNIVERSITYInventors: Noboru Nakayama, Masaomi Horita, Naoki Izawa, Hiroto Tamai, Naoto Saito, Yuki Usui, Nobuhide Ogihara
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Publication number: 20140336779Abstract: Provided is a method for easily producing a lamellar compressed fiber structural material which has mechanical characteristics close to those of in vivo bone and which is capable of easily increasing osteoblast even when a difference in strength exists. In order to solve the issues, the method for producing compressed fiber structural material 1, includes: a step of preparing biocompatible fiber 14 having an average diameter of 5 ?m-50 ?m and an aspect ratio of 20-500; and a step of molding compressed fiber structural material 1 by cold pressing/shearing biocompatible fiber 14, compressed fiber structural material 1 having an average pore diameter that is in the range of 60 ?m-100 ?m inclusive and a void fraction that is in the range of 25%-50% inclusive, both obtained by measurement in accordance with the mercury penetration method.Type: ApplicationFiled: March 9, 2012Publication date: November 13, 2014Applicant: SHINSHU UNIVERSITYInventors: Noboru Nakayama, Masaomi Horita, Naoki Izawa, Hiroto Tamai, Naoto Saito, Yuki Usui, Nobuhide Ogihara
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Patent number: 8591882Abstract: An object of the present invention is to find a novel and useful component in a culture supernatant of a lactic acid bacterium and to provide an effective utilization method of the component. The utilization method is a cytoprotective agent containing, as an active ingredient, a low-molecular-weight fraction in a culture supernatant of a lactic acid bacterium belonging to Streptococcus thermophilus.Type: GrantFiled: August 12, 2011Date of Patent: November 26, 2013Assignee: Kabushiki Kaisha Yakult HonshaInventors: Naoki Izawa, Tomoko Kurasawa, Toshiro Sone, Katsuyoshi Chiba
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Publication number: 20130164399Abstract: An object of the present invention is to find a novel and useful component in a culture supernatant of a lactic acid bacterium and to provide an effective utilization method of the component. The utilization method is a cytoprotective agent containing, as an active ingredient, a low-molecular-weight fraction in a culture supernatant of a lactic acid bacterium belonging to Streptococcus thermophilus.Type: ApplicationFiled: August 12, 2011Publication date: June 27, 2013Applicant: Kabushiki Kaisha Yakult HonshaInventors: Naoki Izawa, Tomoko Kurasawa, Toshiro Sone, Katsuyoshi Chiba
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Patent number: 8088369Abstract: The invention provides an anti-wrinkle agent which has an excellent effect of inhibiting the formation of wrinkles and excellent safeness. The anti-wrinkle agent contains, as an active ingredient, a culture supernatant of a lactic acid bacterium belonging to Streptococcus thermophilus.Type: GrantFiled: August 29, 2007Date of Patent: January 3, 2012Assignee: Kabushiki Kaisha Yakult HonshaInventors: Naoki Izawa, Ryoko Iizuka, Toshiro Sone, Katsuyoshi Chiba
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Publication number: 20100291049Abstract: The invention provides an anti-wrinkle agent which has an excellent effect of inhibiting the formation of wrinkles and excellent safeness. The anti-wrinkle agent contains, as an active ingredient, a culture supernatant of a lactic acid bacterium belonging to Streptococcus thermophilus.Type: ApplicationFiled: August 29, 2007Publication date: November 18, 2010Applicant: Kabushiki Kaisha Yakult HonshaInventors: Naoki Izawa, Ryoko Iizuka, Toshiro Sone, Katsuyoshi Chiba