Patents by Inventor Yozo Yamada
Yozo Yamada 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: 8536399Abstract: The object of the present invention is to provide a method of reducing the odor of urine; and an article functioning to reduce the odor of urine. The present invention relates to the method comprising using a compound(s) reactive with aldehydes to thereby reduce the urine odor. Moreover, the present invention relates to the article, especially one for body fluid absorption, which functions to reduce the odor of urine by having compounds reactive with aldehydes to be present in absorption articles. As the compounds reactive with aldehydes, organic amines, organic amine salts, compounds producing organic amines by the reaction with discharges, organic amines, amide compounds, and compounds having a mercapto group can be used.Type: GrantFiled: October 12, 2010Date of Patent: September 17, 2013Assignee: Uni-Charm CorporationInventors: Kazuki Numano, Kiy shi Miyazawa, Takayuki Hisanaka, Yozo Yamada
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Publication number: 20110028925Abstract: The object of the present invention is to provide a method of reducing the odor of urine; and an article functioning to reduce the odor of urine. The present invention relates to the method comprising using a compound(s) reactive with aldehydes to thereby reduce the urine odor. Moreover, the present invention relates to the article, especially one for body fluid absorption, which functions to reduce the odor of urine by having compounds reactive with aldehydes to be present in absorption articles. As the compounds reactive with aldehydes, organic amines, organic amine salts, compounds producing organic amines by the reaction with discharges, organic amines, amide compounds, and compounds having a mercapto group can be used.Type: ApplicationFiled: October 12, 2010Publication date: February 3, 2011Applicant: UNI-CHARM CORPORATIONInventors: Kazuki Numano, Kiy shi Miyazawa, Takayuki Hisanaka, Yozo Yamada
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Patent number: 7666490Abstract: A functional roll film comprises a plastic film which is transparent and having gas barrier properties, and provided at its at least one surface with an inorganic oxide layer, and which can be wound; wherein a maximum thickness of the inorganic oxide layer is 1.5 times of a minimum thickness.Type: GrantFiled: February 8, 2000Date of Patent: February 23, 2010Assignee: Toyo Boseki Kabushiki KaishaInventors: Kiyoshi Iseki, Seiichiro Yokoyama, Takahiro Kubota, Hiroshi Fujita, Tsukasa Ohshima, Shuji Hidaka, Yoshinori Takada, Yozo Yamada, Shinji Suzuki
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Publication number: 20050288642Abstract: The topsheet of a absorbent article improved dry feeling, and an evaluation/selection method for a topsheet improved in dry feeling. The liquid-permeable topsheet of a absorbent article, characterized in that a contact cool feeling during a wet condition as measured in a maximum heat transfer quantity (q-max value) is less than 1.1 kw/m2 on the side contacting the skin oft wearer of the topsheet, and a q-max value on the side contacting the absorbent article is larger than a q-max value on the side contacting the skin of a wearer with the difference of at least 0.5 kw/cm2. An evaluation/selection method for the topsheet of a absorbent article excellent in dry feeling using a q-max value during a wet condition as an index.Type: ApplicationFiled: July 24, 2003Publication date: December 29, 2005Applicant: UNI-CHARM CORPORATIONInventors: Yuri Kurata, Junko Sato, Nobuhiro Kurata, Yozo Yamada, Takayuki Hisanaka, Sonoko Ishimaru, Hisao Nishinaka
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Publication number: 20040037861Abstract: The object of the present invention is to provide a method of reducing the odor of urine; and an article functioning to reduce the odor of urine. The present invention relates to the method compring using a compound(s) reactive with aldehydes to thereby reduce the urine odor. Moreover, the present invention relates to the article, especially one for body fluid absorption, which functions to reduce the odor of urine by having compounds reactive with aldehydes to be present in absorption articles.Type: ApplicationFiled: July 9, 2003Publication date: February 26, 2004Inventors: Kazuki Numano, Kiyoshi Miyazawa, Takayuki Hisanaka, Yozo Yamada
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Patent number: 6629833Abstract: A transparent conductive film (1) having a transparent plastic film (11) and a transparent conductive thin film (12) formed on at least one side thereof, characterized in that a resin layer (P) containing an ionic group in the range of 20 to 1000 eq/ton is provided between the transparent plastic film and the transparent conductive thin film and the ionic group containing resin has a cross-linked structure. The transparent conductive film has excellent adhesion to other conductive thin films and therefore exhibits excellent durability to input with a pen when used in touch panels.Type: GrantFiled: November 13, 2000Date of Patent: October 7, 2003Assignee: Toyo Boseki Kabushiki KaishaInventors: Toshiyuki Ohya, Tetsuo Shimomura, Yozo Yamada
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Patent number: 6522463Abstract: The infrared absorption filter of the present invention has a transmittance of not higher than 30% in the near-infrared region in the wavelength range of 800 to 1100 nm; a difference of 10% or less between a maximum value and a minimum value of transmittance in the visible light region in the wavelength range of 450 to 650 nm; and a transmittance of not lower than 50% at a wavelength of 550 nm, the filter being so excellent in environmental stability that after being left to stand in the air atmosphere at a temperature of 60° C. and a humidity of 95% for 1000 hours, the filter can maintain said spectral property in said range. Consequently, when used for a plasma display or the like, the filter can absorb the unwanted infrared rays radiated from the display, resulting in preventing erroneous operation of a remote control using infrared radiation even in such a high-temperature and high-humidity environment.Type: GrantFiled: November 13, 2000Date of Patent: February 18, 2003Assignee: Toyo Boseki Kabushiki KaishaInventors: Tetsuo Shimomura, Shinya Onomichi, Masanori Kobayashi, Yozo Yamada, Seiichiro Yokoyama
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Patent number: 5939205Abstract: A gas barrier film comprising a polyamide film and an inorganic deposited layer laminated thereon, wherein the maximum shrinkage percentage after boiling treatment at 95.degree. C. for 30 minutes is not more than 3.5%. The gas barrier film of the present invention has excellent gas barrier property and water vapor-proof property even after boiling or retort treatment. Hence, the film of the present invention can serve well as a wrapping material for a wide range of objects that require high gas barrier property, such as food, medical products, industrial materials and the like, and has great industrial value.Type: GrantFiled: April 15, 1997Date of Patent: August 17, 1999Assignee: Toyo Boseki Kabushiki KaishaInventors: Seiichiro Yokoyama, Shigeru Komeda, Kiyoshi Iseki, Yozo Yamada, Chikao Morishige, Hideyuki Mitamura, Satoshi Osame, Shinji Fujita
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Patent number: 5856017Abstract: The present invention provides a gas barrier film including a plastic film and a thin film which is made of a composition containing an oxide as a main component and is formed on at least one surface of the plastic film. A specific gravity of the thin film is 55% or more and 100% or less of a specific gravity of the oxide in the form of a crystal generally present at room temperature and under atmospheric pressure. Thus, the invention provides a gas barrier film having an excellent gas barrier and retort properties and bending resistance; a gas barrier film suitably used in a wrapping material for dried food, liquid food or food containing liquids, frozen food and retort food; a gas barrier film that can be used in an electronic oven, can be sterilized by micro waves and can contain a free-oxygen absorber; a gas barrier film suitably used in a paper carton, a tube, a lid and the like; and a gas barrier film suitably used for cutting off gas for industrial use.Type: GrantFiled: July 18, 1997Date of Patent: January 5, 1999Assignee: Toyo Boseki Kabushiki KaishaInventors: Shusei Matsuda, Kiyoshi Iseki, Yoshiharu Morihara, Toru Kotani, Toshiyuki Oya, Toshio Uno, Teizo Harima, Hideomi Kobe, Yozo Yamada
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Patent number: 5837754Abstract: Ink for an ink-jet printer of the present invention includes polyester particles colored with a colorant which are dispersed in an aqueous medium.Type: GrantFiled: October 3, 1996Date of Patent: November 17, 1998Assignee: Toyo Boseki Kabushiki KaishaInventors: Tetsuo Shimomura, Satoshi Maeda, Yozo Yamada
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Patent number: 5725958Abstract: The present invention provides a gas barrier film including a plastic film and a thin film which is made of a composition containing an oxide as a main component and is formed on at least one surface of the plastic film. A specific gravity of the thin film is 55% or more and 100% or less of a specific gravity of the oxide in the form of a crystal generally present at room temperature and under atmospheric pressure. Thus, the invention provides a gas barrier film having an excellent gas barrier and retort properties and bending resistance; a gas barrier film suitably used in a wrapping material for dried food, liquid food or food containing liquids, frozen food and retort food; a gas barrier film that can be used in an electronic oven, can be sterilized by micro waves end can contain a free-oxygen absorber; a gas barrier film suitably used in a paper carton, a tube, a lid and the like; and a gas barrier film suitably used for cutting off gas for industrial use.Type: GrantFiled: February 2, 1996Date of Patent: March 10, 1998Assignee: Toyo Boseki Kabushiki KaishaInventors: Shusei Matsuda, Kiyoshi Iseki, Yoshiharu Morihara, Toru Kotani, Toshiyuki Oya, Toshio Uno, Teizo Harima, Hideomi Kobe, Yozo Yamada
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Patent number: 5567744Abstract: The present invention is concerned with a high water-absorbent resin composition, produced by forming a composite by fusing or fixing a thermoplastic resin onto a surface of a high water-absorbent resin via an adhesive binder or directly, wherein the composition comprises from 1 to 100 parts by weight of the thermoplastic resin, based on 100 parts by weight of the high water-absorbent resin.When the high water-absorbent resin composition of the present invention is used, it is possible to securely adhere a high water-absorbent resin to a fibrous base material, so that a water-absorbent material which stably retains the high water-absorbent resin even after absorbing water can be obtained. Accordingly, the base materials, such as fibrous base materials, can retain more amount of high water-absorbent resin than those of conventional water-absorbent materials.Type: GrantFiled: November 17, 1994Date of Patent: October 22, 1996Assignees: Sumitomo Seika Chemicals Co., Ltd., Uni-Charm CorporationInventors: Manabu Nagata, Takushi Yamamoto, Shinichi Takemori, Naoyuki Hashimoto, Hiroki Ishikawa, Yozo Yamada
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Patent number: 5472818Abstract: Spherical resin particles having a sharp particle size distribution and a method for producing such particles are disclosed. Resin particles according to this invention contain at least a polyester polymer and a polymer formed from a polymerizable monomer, and have an average diameter (D) of 1 to 500 .mu.m. At least 70% by weight of the particles have a diameter in the range of 0.5 D to 2.0 D. Such resin particles can be produced by swelling polyester-containing seed particles with a polymerizable monomer and then polymerizing the polymerizable monomer in swelled seed particles.Type: GrantFiled: October 6, 1994Date of Patent: December 5, 1995Assignee: Toyo Boseki Kabushiki KaishaInventors: Yasunari Hotta, Satoshi Maeda, Yozo Yamada, Shinichiro Mori, Toshio Tanaka, Koji Tanaka, Hiroshi Ono
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Patent number: 5422227Abstract: Spherical resin particles in micron order with a narrow particle diameter distribution, methods for the production thereof and uses thereof are disclosed. Overcoming various problems comprised in the hitherto-known polymerization granulation methods, resin particles using a condensation polymer in micron order of the present invention having spherical form and narrow particle diameter distribution serve well for various applications.Type: GrantFiled: July 12, 1994Date of Patent: June 6, 1995Assignee: Toyo Boseki Kabushiki KaishaInventors: Yasunari Hotta, Satoshi Maeda, Yozo Yamada, Koji Tanaka, Hiroshi Ono, Toshio Uno
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Patent number: 5382624Abstract: Spherical resin particles having a sharp particle size distribution and a method for producing such particles are disclosed. Resin particles according to this invention contain at least a polyester polymer and a polymer formed from a polymerizable monomer, and have an average diameter (D) of 1 to 500 .mu.m. At least 70% by weight of the particles have a diameter in the range of 0.5 D to 2.0 D. Such resin particles can be produced by swelling polyester-containing seed particles with a polymerizable monomer and then polymerizing the polymerizable monomer in swelled seed particles.Type: GrantFiled: September 10, 1993Date of Patent: January 17, 1995Assignee: Toyo Boseki Kabushiki KaishaInventors: Yasunari Hotta, Satoshi Maeda, Yozo Yamada, Shinichiro Mori, Toshio Tanaka, Koji Tanaka, Hiroshi Ono
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Patent number: 5352521Abstract: Spherical resin particles in micron order with a narrow particle diameter distribution, methods for the production thereof and uses thereof are disclosed. Overcoming various problems comprised in the hitherto-known polymerization granulation methods, resin particles using a condensation polymer in micron order of the present invention having spherical form and narrow particle diameter distribution serve well for various applications.Type: GrantFiled: January 19, 1994Date of Patent: October 4, 1994Assignee: Toyo Boseki Kabushiki KaishaInventors: Yasunari Hotta, Satoshi Maeda, Yozo Yamada, Koji Tanaka, Hiroshi Ono, Toshio Uno
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Patent number: 5344673Abstract: Spherical resin particles in micron order with a narrow particle diameter distribution, methods for the production thereof and uses thereof are disclosed. Overcoming various problems comprised in the hitherto-known polymerization granulation methods, resin particles using a condensation polymer in micron order of the present invention having spherical form and narrow particle diameter distribution serve well for various applications.Type: GrantFiled: March 16, 1993Date of Patent: September 6, 1994Assignee: Toyo Boseki Kabushiki KaishaInventors: Yasunari Hotta, Satoshi Maeda, Yozo Yamada, Koji Tanaka, Hiroshi Ono, Toshio Uno
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Patent number: 5268213Abstract: To control a flow of body fluid generally occurring on the liquid-permeable topsheet for body fluid absorbent article in a predetermined direction, here is disclosed an improved liquid-permeable topsheet made of thermoplastic synthetic resin comprising a plurality of first direction ribs and a plurality of second direction ribs crossing the first direction ribs so as to a unique rib structure. Tops 7 of the second direction ribs 3 are connected with opposite sides 6 of the respective first direction ribs 2 and each pair of adjacent first direction ribs 2 define a groove 10 serving to guide the body fluid in the predetermined direction.Type: GrantFiled: January 4, 1993Date of Patent: December 7, 1993Assignee: Uni-Charm CorporationInventors: Masaki Murakami, Hiroyuki Inagaki, Yozo Yamada
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Patent number: RE39857Abstract: The infrared absorption filter of the present invention has a transmittance of not higher than 30% in the near-infrared region in the wavelength range of 800 to 1100 nm; a difference of 10% or less between a maximum value and a minimum value of transmittance in the visible light region in the wavelength range of 450 to 650 nm; and a transmittance of not lower than 50% at a wavelength of 550 nm, the filter being so excellent in environmental stability that after being left to stand in the air atmosphere at a temperature of 60° C. and a humidity of 95% for 1000 hours, the filter can maintain said spectral property in said range. Consequently, when used for a plasma display or the like, the filter can absorb the unwanted infrared rays radiated from the display, resulting in preventing erroneous operation of a remote control using infrared radiation even in such a high-temperature and high-humidity environment.Type: GrantFiled: May 17, 1999Date of Patent: September 25, 2007Assignee: Toyo Boseki Kabushiki KaishaInventors: Tetsuo Shimomura, Shinya Onomichi, Masanori Kobayashi, Yozo Yamada, Seiichiro Yokoyama
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Patent number: RE39858Abstract: The infrared absorption filter of the present invention has a transmittance of not higher than 30% in the near-infrared region in the wavelength range of 800 to 1100 nm; a difference of 10% or less between a maximum value and a minimum value of transmittance in the visible light region in the wavelength range of 450 to 650 nm; and a transmittance of not lower than 50% at a wavelength of 550 nm, the filter being so excellent in environmental stability that after being left to stand in the air atmosphere at a temperature of 60° C. and a humidity of 95% for 1000 hours, the filter can maintain said spectral property in said range. Consequently, when used for a plasma display or the like, the filter can absorb the unwanted infrared rays radiated from the display, resulting in preventing erroneous operation of a remote control using infrared radiation even in such a high-temperature and high-humidity environment.Type: GrantFiled: May 17, 1999Date of Patent: September 25, 2007Assignee: Toyo Boseki Kabushiki KaishaInventors: Tetsuo Shimomura, Shinya Onomichi, Masanori Kobayashi, Yozo Yamada, Seiichiro Yokoyama