Patents by Inventor Shigekazu Saito
Shigekazu Saito 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: 20230165731Abstract: To provide a composition for wet indicator which is excellent in discoloration performance and is suppressed in odor. What is disclosed is a composition for wet indicator comprising: a hydrocarbon oil (A), at least one selected from saturated fatty acids having 16 or more carbon atoms and derivatives thereof (B), and a wet-sensitive colorant composition (C), wherein the component (B) is contained in an amount of 2 to 85 parts by mass based on 100 parts by mass of the total amount of the components (A) to (C).Type: ApplicationFiled: January 27, 2023Publication date: June 1, 2023Inventor: Shigekazu Saito
-
Publication number: 20230165730Abstract: To provide a composition for wet indicator excellent in discoloration performance. What is disclosed is a composition for wet indicator comprising an oily gel and a wet-sensitive colorant composition.Type: ApplicationFiled: January 27, 2023Publication date: June 1, 2023Inventor: Shigekazu Saito
-
Publication number: 20200307880Abstract: Disclosed is a film-wrapped type hot melt adhesive, comprising: a film made from a thermoplastic resin composition and a hot melt adhesive wrapped by the film, wherein the thermoplastic resin composition comprises an ethylene homopolymer, and a concavo-convex is formed on a surface of the film. The film-wrapped type hot melt adhesive has blocking resistance and thermal stability which are improved in a balanced manner.Type: ApplicationFiled: June 12, 2020Publication date: October 1, 2020Inventors: Takeshi Kiyohara, Shigekazu Saito, Takanori Okuda
-
Patent number: 10370567Abstract: The present invention provides a hot melt adhesive for high-speed coating and spiral coating at low temperature. The hot melt adhesive has excellent adhesion to polyethylene and nonwoven fabric, and is suitable for disposable products. The hot melt adhesive comprises: (A) a propylene homopolymer having a melting point of 100° C. or lower which is obtainable by polymerizing propylene using a metallocene catalyst; and (B) an ethylene-based copolymer.Type: GrantFiled: May 31, 2017Date of Patent: August 6, 2019Assignee: HENKEL AG & CO. KGAAInventors: Masahiro Moriguchi, Shigekazu Saito
-
Patent number: 9816014Abstract: The present invention provides a hot melt adhesive suitable for use in disposable products, which can be applied at a high speed and provides excellent in adhesion in a wet state and low-temperature coating, with little odor. The hot melt adhesive for disposable products comprises: (A) a propylene homopolymer having a melting point of 100° C. or lower obtained by polymerizing propylene using a metallocene catalyst; and (B) a wax modified with carboxylic acid and/or carboxylic acid anhydride. The wet adhesion of the hot melt adhesive is improved when the wax is modified with maleic acid and/or maleic anhydride.Type: GrantFiled: March 14, 2014Date of Patent: November 14, 2017Assignee: HENKEL AG & CO. KGAAInventors: Masahiro Moriguchi, Shigekazu Saito, Kentarou Inoue, Takanori Okuda, Naohiro Maeda
-
Publication number: 20170260430Abstract: The present invention provides a hot melt adhesive for high-speed coating and spiral coating at low temperature. The hot melt adhesive has excellent adhesion to polyethylene and nonwoven fabric, and is suitable for disposable products. The hot melt adhesive comprises: (A) a propylene homopolymer having a melting point of 100° C. or lower which is obtainable by polymerizing propylene using a metallocene catalyst; and (B) an ethylene-based copolymer.Type: ApplicationFiled: May 31, 2017Publication date: September 14, 2017Inventors: Masahiro MORIGUCHI, Shigekazu SAITO
-
Patent number: 9695340Abstract: The present invention provides a hot melt adhesive for high-speed coating and spiral coating at low temperature. The hot melt adhesive has excellent adhesion to polyethylene and nonwoven fabric, and is suitable for disposable products. The hot melt adhesive comprises: (A) a propylene homopolymer having a melting point of 100° C. or lower which is obtainable by polymerizing propylene using a metallocene catalyst; and (B) an ethylene-based copolymer.Type: GrantFiled: March 14, 2014Date of Patent: July 4, 2017Assignee: HENKEL AG & CO. KGAAInventors: Masahiro Moriguchi, Shigekazu Saito
-
Publication number: 20140199907Abstract: The present invention provides a hot melt adhesive suitable for use in disposable products, which can be applied at a high speed and provides excellent in adhesion in a wet state and low-temperature coating, with little odor. The hot melt adhesive for disposable products comprises: (A) a propylene homopolymer having a melting point of 100° C. or lower obtained by polymerizing propylene using a metallocene catalyst; and (B) a wax modified with carboxylic acid and/or carboxylic acid anhydride. The wet adhesion of the hot melt adhesive is improved when the wax is modified with maleic acid and/or maleic anhydride.Type: ApplicationFiled: March 14, 2014Publication date: July 17, 2014Applicant: HENKEL AG & CO. KGAAInventors: Masahiro MORIGUCHI, Shigekazu SAITO, Kentarou INOUE, Takanori OKUDA, Naohiro MAEDA
-
Publication number: 20140199545Abstract: The present invention provides a hot melt adhesive for high-speed coating and spiral coating at low temperature. The hot melt adhesive has excellent adhesion to polyethylene and nonwoven fabric, and is suitable for disposable products. The hot melt adhesive comprises: (A) a propylene homopolymer having a melting point of 100° C. or lower which is obtainable by polymerizing propylene using a metallocene catalyst; and (B) an ethylene-based copolymer.Type: ApplicationFiled: March 14, 2014Publication date: July 17, 2014Applicant: HENKEL AG & CO. KGAAInventors: Masahiro Moriguchi, Shigekazu Saito
-
Patent number: 6906935Abstract: In an inverter apparatus in which a three-phase inverter main circuit having a plurality of arms comprises a plurality of semiconductor chips for electric power, one arm of the three-phase inverter main circuit includes IGBTs and diodes of semiconductor chips having a size of 10 mm by 10 mm or less with the semiconductor chips connected in parallel, while the IGBTs and the diodes are bonded to a conductor having a thickness of 1.5 mm or more and 5 mm or less, and the conductor is glued to a cooler through an insulating resin sheet containing ceramics.Type: GrantFiled: November 12, 2002Date of Patent: June 14, 2005Assignees: Kabushiki Kaisha Toshiba, Honda Giken Kogyo Kabushiki KaishaInventors: Masami Nakamura, Atsushi Amano, Iwao Shimane, Yasuyuki Danjou, Shigekazu Saito, Toshiharu Obu, Nobumitsu Tada, Hiroki Sekiya
-
Publication number: 20030090915Abstract: In an inverter apparatus in which a three-phase inverter main circuit having a plurality of arms comprises a plurality of semiconductor chips for electric power, one arm of the three-phase inverter main circuit includes IGBTs and diodes of semiconductor chips having a size of 10 mm by 10 mm or less with the semiconductor chips connected in parallel, while the IGBTs and the diodes are bonded to a conductor having a thickness of 1.5 mm or more and 5 mm or less, and the conductor is glued to a cooler through an insulating resin sheet containing ceramics.Type: ApplicationFiled: November 12, 2002Publication date: May 15, 2003Inventors: Masami Nakamura, Atsushi Amano, Iwao Shimane, Yasuyuki Danjou, Shigekazu Saito, Toshiharu Obu, Nobumitsu Tada, Hiroki Sekiya
-
Patent number: 5960754Abstract: A valve operating system in an internal combustion engine including rollers which are in rolling contact with valve operating cams and rotatably supported by support shafts fixed to rocker arms in a manner such that the support shafts can be easily fixed to the rocker arms. In one embodiment, a rocker arm 25.sub.1 is provided with a fitting bore 37 in which a support shaft 34.sub.1 is fitted and with a press-fit bore 40 leading to an inner surface of the fitting bore 37. A locking groove 43 is provided in an outer surface of the support shaft 34.sub.1 in correspondence to an opening of the press-fit bore 40 into the inner surface of the fitting bore 37, and extends in a direction tangent to a phantom circle C.sub.1 about an axis of the support shaft 34.sub.1. A pin 46 is press-fitted into the press-fit bore 40 and engaged in the locking groove 43.Type: GrantFiled: August 28, 1997Date of Patent: October 5, 1999Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Mitsuru Sugimoto, Shigekazu Saito, Kouichi Ikoma