Patents by Inventor Takuya Niimi
Takuya Niimi 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: 10487773Abstract: This vehicle mechanical component includes a mechanical component body, a heat insulating layer formed on the mechanical component body, and a protective layer formed on the heat insulating layer and including an inorganic compound that includes an alkoxide and scale-like inorganic solid particles dispersed in the inorganic compound.Type: GrantFiled: March 24, 2016Date of Patent: November 26, 2019Assignees: AISIN SEIKI KABUSHIKI KAISHA, AKROS CO., LTD.Inventors: Yosuke Taguchi, Akikazu Matsumoto, Ichiro Hiratsuka, Masaki Kato, Daishi Kobayashi, Megumi Sugisawa, Takuya Niimi, Yusuke Ikai, Kazuki Saai, Shun Mizuno
-
Patent number: 10132268Abstract: This piston includes a piston main body made of aluminum or an aluminum alloy, used in an internal combustion and a modified layer formed on a surface of a strength reinforced portion of the piston main body, having a surface made of aluminum oxide by plasma oxidation, to which compressive residual stress is applied.Type: GrantFiled: October 22, 2014Date of Patent: November 20, 2018Assignees: AISIN SEIKI KABUSHIKI KAISHA, ADVANCED LASER TECHNOLOGY RESEARCH CENTER CO., LTD.Inventors: Takuya Niimi, Akihiro Okamoto, Keiki Sugano, Ryo Okazaki, Muneharu Kutsuna, Kiyotaka Saito
-
Patent number: 10094025Abstract: A mechanical component for an internal combustion engine includes a mechanical component body made of one of aluminum and aluminum alloy and used for the internal combustion engine, a nickel plating layer formed to cover a surface of a predetermined portion of the mechanical component body, and a reforming layer formed between the surface of the predetermined portion of the mechanical component body and the nickel plating layer.Type: GrantFiled: June 5, 2017Date of Patent: October 9, 2018Assignee: AISIN SEIKI KABUSHIKI KAISHAInventors: Hajime Minaki, Hiroaki Sasayama, Akihiro Okamoto, Takuya Niimi
-
Publication number: 20180094603Abstract: This vehicle mechanical component includes a mechanical component body, a heat insulating layer formed on the mechanical component body, and a protective layer formed on the heat insulating layer and including an inorganic compound that includes an alkoxide and scale-like inorganic solid particles dispersed in the inorganic compound.Type: ApplicationFiled: March 24, 2016Publication date: April 5, 2018Applicants: AISIN SEIKI KABUSHIKI KAISHA, AKROS CO., LTD.Inventors: Yosuke TAGUCHI, Akikazu MATSUMOTO, Ichiro HIRATSUKA, Masaki KATO, Daishi KOBAYASHI, Megumi SUGISAWA, Takuya NIIMI, Yusuke IKAI, Kazuki SAAI, Shun MIZUNO
-
Patent number: 9822728Abstract: Any one or more members of an engine, that is, a piston, a cylinder head and a valve, has a wall face disposed face-to-face to a combustion chamber, and the wall face is coated by a heat-insulation coating film. The heat-insulation coating film includes a heat-insulative layer formed on a surface of the wall face, and an inorganic-system coated-film layer formed on a surface of the heat-insulative layer. The heat-insulative layer includes a resin, and first hollow particles buried inside the resin and exhibiting an average particle diameter being smaller than a thickness of the heat-insulative layer. The inorganic-system coated-film layer includes an inorganic compound.Type: GrantFiled: August 8, 2013Date of Patent: November 21, 2017Assignees: AISIN SEIKI KABUSHIKI KAISHA, AKROS CO., LTD.Inventors: Ichiro Hiratsuka, Takuya Niimi, Yusuke Ikai, Kazuki Saai
-
Publication number: 20170268109Abstract: A mechanical component for an internal combustion engine includes a mechanical component body made of one of aluminum and aluminum alloy and used for the internal combustion engine, a nickel plating layer formed to cover a surface of a predetermined portion of the mechanical component body, and a reforming layer formed between the surface of the predetermined portion of the mechanical component body and the nickel plating layer.Type: ApplicationFiled: June 5, 2017Publication date: September 21, 2017Applicant: Aisin Seiki Kabushiki KaishaInventors: Hajime MINAKI, Hiroaki SASAYAMA, Akihiro OKAMOTO, Takuya NIIMI
-
Patent number: 9719459Abstract: A sliding component for an internal combustion engine includes: a sliding component main body that includes a plurality of concave portions formed in a predetermined portion thereof; and a coating layer that covers a portion of the sliding component main body, in which the plurality of concave portions are not formed.Type: GrantFiled: November 11, 2014Date of Patent: August 1, 2017Assignee: AISIN SEIKI KABUSHIKI KAISHAInventors: Takayuki Hayashi, Hiroyoshi Hiejima, Keiki Sugano, Akihiro Okamoto, Takuya Niimi, Ryo Okazaki
-
Patent number: 9581105Abstract: A piston for an internal combustion engine includes a piston main body for the internal combustion engine, and a crosshatched groove being formed on a surface of the piston main body. The crosshatched groove includes a crosshatch angle that corresponds to a crossing angle of lines that configure a crosshatch, the crosshatch angle that is set at a range from equal to or greater than 15 degrees to equal to or less than 35 degrees.Type: GrantFiled: December 11, 2015Date of Patent: February 28, 2017Assignee: AISIN SEIKI KABUSHIKI KAISHAInventors: Atsushi Kuniyasu, Takuya Niimi, Akihiro Okamoto, Ryo Okazaki, Takayuki Hayashi
-
Publication number: 20160265474Abstract: This piston includes a piston main body made of aluminum or an aluminum alloy, used in an internal combustion and a modified layer formed on a surface of a strength reinforced portion of the piston main body, having a surface made of aluminum oxide by plasma oxidation, to which compressive residual stress is applied.Type: ApplicationFiled: October 22, 2014Publication date: September 15, 2016Applicants: Aisin Seiki Kabushiki Kaisha, Advanced Laser Technology Research Center Co. Ltd.Inventors: Takuya NIIMI, Akihiro OKAMOTO, Keiki SUGANO, Ryo OKAZAKI, Muneharu KUTSUNA, Kiyotaka SAITO
-
Publication number: 20160169151Abstract: A piston for an internal combustion engine includes a piston main body for the internal combustion engine, and a crosshatched groove being formed on a surface of the piston main body. The crosshatched groove includes a crosshatch angle that corresponds to a crossing angle of lines that configure a crosshatch, the crosshatch angle that is set at a range from equal to or greater than 15 degrees to equal to or less than 35 degrees.Type: ApplicationFiled: December 11, 2015Publication date: June 16, 2016Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Atsushi KUNIYASU, Takuya NIIMI, Akihiro OKAMOTO, Ryo OKAZAKI, Takayuki HAYASHI
-
Publication number: 20150204269Abstract: Any one or more members of an engine, that is, a piston, a cylinder head and a valve, has a wall face disposed face-to-face to a combustion chamber, and the wall face is coated by a heat-insulation coating film. The heat-insulation coating film includes a heat-insulative layer formed on a surface of the wall face, and an inorganic-system coated-film layer formed on a surface of the heat-insulative layer. The heat-insulative layer includes a resin, and first hollow particles buried inside the resin and exhibiting an average particle diameter being smaller than a thickness of the heat-insulative layer. The inorganic-system coated-film layer includes an inorganic compound.Type: ApplicationFiled: August 8, 2013Publication date: July 23, 2015Applicants: AISIN SEIKI KABUSHIKI KAISHA, AKROS CO., LTD.Inventors: Ichiro Hiratsuka, Takuya Niimi, Yusuke Ikai, Kazuki Saai
-
Publication number: 20150128894Abstract: A sliding component for an internal combustion engine includes: a sliding component main body that includes a plurality of concave portions formed in a predetermined portion thereof; and a coating layer that covers a portion of the sliding component main body, in which the plurality of concave portions are not formed.Type: ApplicationFiled: November 11, 2014Publication date: May 14, 2015Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Takayuki HAYASHI, Hiroyoshi Hiejima, Keiki Sugano, Akihiro Okamoto, Takuya Niimi, Ryo Okazaki
-
Publication number: 20140345559Abstract: A mechanical component for an internal combustion engine includes a mechanical component body made of one of aluminum and aluminum alloy and used for the internal combustion engine, a nickel plating layer formed to cover a surface of a predetermined portion of the mechanical component body, and a reforming layer formed between the surface of the predetermined portion of the mechanical component body and the nickel plating layer.Type: ApplicationFiled: May 27, 2014Publication date: November 27, 2014Applicant: Aisin Seiki Kabushiki KaishaInventors: Hajime MINAKI, Hiroaki Sasayama, Akihiro Okamoto, Takuya Niimi
-
Publication number: 20130327289Abstract: An engine includes a cylinder block having a bore, a piston fitted into the bore so as to form a combustion chamber and to be able to reciprocate, a cylinder head for closing the combustion chamber and having valve bores communicating with the combustion chamber, and valves for opening and closing the valve bores. A heat insulating coating is applied on a wall face of at least one of the piston, the cylinder head, and the valves and facing the combustion chamber. The heat insulating coating includes resin and a plurality of hollow nanoparticles embedded in the resin, smaller in diameter than a thickness of the heat insulating coating, and smaller than or equal to 500 nanometers in size.Type: ApplicationFiled: February 14, 2012Publication date: December 12, 2013Applicants: AKROS CO., LTD., AISIN SEIKI KABUSHIKI KAISHAInventors: Ichiro Hiratsuka, Takuya Niimi, Shin Makino, Kazuki Saai
-
Patent number: 6173686Abstract: A valve timing control device comprising, a cam shaft assembled within an engine, a rotational transmitting member having a concave portion, which is mounted around the cam shaft to rotate relative thereto within a predetermined range for transmitting a rotational power from a crank pulley, vanes provided on the cam shaft, fluid chambers formed between the cam shaft and the concave portion, which are separated into advancing and delaying chambers by the vanes, a fluid supplying means for supplying fluid under pressure to a selected one of the advancing and delaying chambers, and a stopper located between a radially inner portion of a side wall of the concave portion and the vane to restrict rotate relative between the rotational transmitting member and the cam shaft.Type: GrantFiled: September 29, 1998Date of Patent: January 16, 2001Assignee: Aisin Seiki Kabushiki KaishaInventors: Hideki Nakayoshi, Naoki Kira, Takuya Niimi, Hidefumi Konakawa