Patents by Inventor Takao Maeda
Takao Maeda 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: 11413705Abstract: A resin pipe 30 and a resin member 31 are fixed to a setting portion 5 provided on the front side of a base 6, and a timing pulley 13 which is provided on the back side of the base 6 and to which a light emission unit 3 is attached is rotated. As a result, the light emission unit 3 applies laser light 20 to a junction 32 between the resin pipe 30 and the resin member 31 while revolving around the junction 32. This makes it easy to fuse and join the entire outer circumferential surface of the resin pipe 30 with the entire inner circumferential surface of the resin member 31, which are variously shaped and sized.Type: GrantFiled: February 21, 2020Date of Patent: August 16, 2022Assignee: NICHIRIN CO., LTD.Inventors: Akira Kitashima, Takao Maeda
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Publication number: 20220040794Abstract: A resin pipe 30 and a resin member 31 are fixed to a setting portion 5 provided on the front side of a base 6, and a timing pulley 13 which is provided on the back side of the base 6 and to which a light emission unit 3 is attached is rotated. As a result, the light emission unit 3 applies laser light 20 to a junction 32 between the resin pipe 30 and the resin member 31 while revolving around the junction 32. This makes it easy to fuse and join the entire outer circumferential surface of the resin pipe 30 with the entire inner circumferential surface of the resin member 31, which are variously shaped and sized.Type: ApplicationFiled: February 21, 2020Publication date: February 10, 2022Applicant: NICHIRIN CO., LTD.Inventors: Akira Kitashima, Takao Maeda
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Patent number: 9839962Abstract: An outer member and an inner member constituting a wheel bearing device are assembled and the brake rotor is fixed to the hub ring of the inner member. In this state, the pad slide surfaces of the brake rotor are lathed with the reference provided by a wheel pilot end surface. Alternatively, the wheel pilot end surface of the hub ring by chucking the knuckle pilot of the outer member with the wheel bearing device put in its assembled state, and the pad slide surfaces of the brake rotor are lathed with the reference provided by the wheel pilot end surface.Type: GrantFiled: November 17, 2014Date of Patent: December 12, 2017Assignee: NTN CORPORATIONInventors: Kiyotake Shibata, Kazunari Yamamoto, Kazuhisa Shigeoka, Taku Nishiki, Kazuo Komori, Takao Maeda
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Patent number: 9551059Abstract: A powder comprising rare earth element fluoride particles having an aspect ratio of up to 2, an average particle size of 10-100 ?m, a bulk density of 0.8-1.5 g/cm3, and a carbon content of 0.1-0.5 wt % is amenable to atmospheric plasma spraying. An article obtained by spraying the rare earth fluoride spray powder to a substrate undergoes few partial color changes and performs well even when used in a halogen gas plasma.Type: GrantFiled: April 20, 2015Date of Patent: January 24, 2017Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Noriaki Hamaya, Takao Maeda, Yasushi Takai
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Publication number: 20150225832Abstract: A powder comprising rare earth element fluoride particles having an aspect ratio of up to 2, an average particle size of 10-100 ?m, a bulk density of 0.8-1.5 g/cm3, and a carbon content of 0.1-0.5 wt % is amenable to atmospheric plasma spraying. An article obtained by spraying the rare earth fluoride spray powder to a substrate undergoes few partial color changes and performs well even when used in a halogen gas plasma.Type: ApplicationFiled: April 20, 2015Publication date: August 13, 2015Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Noriaki Hamaya, Takao Maeda, Yasushi Takai
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Publication number: 20150068040Abstract: An outer member and an inner member constituting a wheel bearing device are assembled and the brake rotor is fixed to the hub ring of the inner member. In this state, the pad slide surfaces of the brake rotor are lathed with the reference provided by a wheel pilot end surface. Alternatively, the wheel pilot end surface of the hub ring by chucking the knuckle pilot of the outer member with the wheel bearing device put in its assembled state, and the pad slide surfaces of the brake rotor are lathed with the reference provided by the wheel pilot end surface.Type: ApplicationFiled: November 17, 2014Publication date: March 12, 2015Applicant: NTN CORPORATIONInventors: Kiyotake SHIBATA, Kazunari YAMAMOTO, Kazuhisa SHIGEOKA, Taku NISHIKI, Kazuo KOMORI, Takao MAEDA
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Patent number: 8914965Abstract: An outer member and an inner member constituting a wheel bearing device are assembled and the brake rotor is fixed to the hub ring of the inner member. In this state, the pad slide surfaces of the brake rotor are lathed with the reference provided by a wheel pilot end surface. Alternatively, the wheel pilot end surface of the hub ring by chucking the knuckle pilot of the outer member with the wheel bearing device put in its assembled state, and the pad slide surfaces of the brake rotor are lathed with the reference provided by the wheel pilot end surface.Type: GrantFiled: February 18, 2011Date of Patent: December 23, 2014Assignee: NTN CorporationInventors: Kiyotake Shibata, Kazunari Yamamoto, Kazuhisa Shigeoka, Taku Nishiki, Kazuo Komori, Takao Maeda
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Patent number: 8337956Abstract: A wafer has a rare earth oxide layer disposed, typically sprayed, on a substrate. It is useful as a dummy wafer in a plasma etching or deposition system.Type: GrantFiled: December 20, 2011Date of Patent: December 25, 2012Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Toshihiko Tsukatani, Takao Maeda, Junichi Nakayama, Hirofumi Kawazoe, Masaru Konya, Noriaki Hamaya, Hajime Nakano
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Patent number: 8323074Abstract: A brake disk braking surface processing device 1 includes a rotation driving device 11 that rotates a brake disk 2, a processing section 12 that processes braking surfaces 4 and 5 of the brake disk 2, and pressing rollers 13 and 14 that press the braking surfaces 4 and 5 of the brake disk 2. The brake disk braking surface processing device 1 includes the pressing rollers 13 and 14 that press the braking surfaces 4 and 5 of the brake disk 2. Therefore, even when tools are pressed against the braking surfaces 4 and 5 in a direction perpendicular to the braking surfaces 4 and 5, deformation of the braking surfaces 4 and 5 of the brake disk 2 can be suppressed with certainty. As a result, processing accuracy of the braking surfaces 4 and 5 of the brake disk 2 can be enhanced.Type: GrantFiled: April 7, 2006Date of Patent: December 4, 2012Assignee: NTN CorporationInventors: Takao Maeda, Taku Nishiki
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Publication number: 20120088034Abstract: A wafer has a rare earth oxide layer disposed, typically sprayed, on a substrate. It is useful as a dummy wafer in a plasma etching or deposition system.Type: ApplicationFiled: December 20, 2011Publication date: April 12, 2012Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Toshihiko Tsukatani, Takao Maeda, Junichi Nakayama, Hirofumi Kawazoe, Masaru Konya, Noriaki Hamaya, Hajime Nakano
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Patent number: 8138060Abstract: A wafer has a rare earth oxide layer disposed, typically sprayed, on a substrate. It is useful as a dummy wafer in a plasma etching or deposition system.Type: GrantFiled: October 27, 2008Date of Patent: March 20, 2012Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Toshihiko Tsukatani, Takao Maeda, Junichi Nakayama, Hirofumi Kawazoe, Masaru Konya, Noriaki Hamaya, Hajime Nakano
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Patent number: 7968205Abstract: A corrosion resistant member to be exposed to a halogen-containing gas atmosphere or a halogen-containing gas plasma atmosphere, comprising a substrate and a plurality of layers deposited thereon including a layer of rare earth fluoride providing the outermost surface and a layer of rare earth oxide having a porosity of less than 5% underlying the rare earth fluoride layer.Type: GrantFiled: October 19, 2006Date of Patent: June 28, 2011Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Hajime Nakano, Toshihiko Tsukatani, Takao Maeda
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Publication number: 20110146465Abstract: An outer member and an inner member constituting a wheel bearing device are assembled and the brake rotor is fixed to the hub ring of the inner member. In this state, the pad slide surfaces of the brake rotor are lathed with the reference provided by a wheel pilot end surface. Alternatively, the wheel pilot end surface of the hub ring by chucking the knuckle pilot of the outer member with the wheel bearing device put in its assembled state, and the pad slide surfaces of the brake rotor are lathed with the reference provided by the wheel pilot end surface.Type: ApplicationFiled: February 18, 2011Publication date: June 23, 2011Inventors: Kiyotake SHIBATA, Kazunari Yamamoto, Kazuhisa Shigeoka, Taku Nishiki, Kazuo Komori, Takao Maeda
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Patent number: 7913374Abstract: An outer member and an inner member constituting a wheel bearing device are assembled and the brake rotor is fixed to the hub ring of the inner member. In this state, the pad slide surfaces of the brake rotor are lathed with the reference provided by a wheel pilot end surface. Alternatively, the wheel pilot end surface of the hub ring by chucking the knuckle pilot of the outer member with the wheel bearing device put in its assembled state, and the pad slide surfaces of the brake rotor are lathed with the reference provided by the wheel pilot end surface.Type: GrantFiled: July 28, 2006Date of Patent: March 29, 2011Assignee: NTN CorporationInventors: Kiyotake Shibata, Kazunari Yamamoto, Kazuhisa Shigeoka, Taku Nishiki, Kazuo Komori, Takao Maeda
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Patent number: 7816013Abstract: A wafer has a rare earth fluoride coating disposed, typically sprayed on a substrate as an outermost layer, the rare earth fluoride being selected from lanthanoid fluorides, yttrium fluoride, and scandium fluoride. It is useful as a dummy wafer in a plasma etching or deposition system.Type: GrantFiled: December 2, 2008Date of Patent: October 19, 2010Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Toshihiko Tsukatani, Masaru Konya, Noriaki Hamaya, Hajime Nakano, Takao Maeda
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Publication number: 20100112231Abstract: A graphite-silicon carbide composite comprises a graphite substrate and a silicon carbide layer formed thereon and comprising silicon carbide particles in fused and contact bonded state. The composite has excellent oxidation resistance and finds a wide range of application as heat resistant material. The method of forming a silicon carbide layer on graphite surface is simple and consistent.Type: ApplicationFiled: January 8, 2010Publication date: May 6, 2010Inventors: Hirofumi FUKUOKA, Susumu Ueno, Mikio Aramata, Toshio Okada, Noriaki Hamaya, Takao Maeda
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Patent number: 7674427Abstract: By using a rare earth metal having a minimal content of impurity metal element, machining it into a member and cleaning with an organic acid-base capping agent, there is obtained a rare earth metal member composed entirely of a rare earth metal and containing not more than 100 ppm of impurity metal element in a sub-surface zone, which member is characterized by a high surface purity, a large grain size, minimized grain boundaries, and improved halogen resistance or corrosion resistance.Type: GrantFiled: June 28, 2006Date of Patent: March 9, 2010Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Toshihiko Tsukatani, Hajime Nakano, Takao Maeda
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Patent number: 7655328Abstract: An electrically conductive, plasma-resistant member adapted for exposure to a halogen-based gas plasma atmosphere includes a substrate having formed on at least part of a region thereof to be exposed to the plasma a thermal spray coating composed of yttrium metal or yttrium metal in admixture with yttrium oxide and/or yttrium fluoride so as to confer electrical conductivity. Because the member is conductive and has an improved erosion resistance to halogen-based corrosive gases or plasmas thereof, particle contamination due to plasma etching when used in semiconductor manufacturing equipment or flat panel display manufacturing equipment can be suppressed.Type: GrantFiled: April 19, 2007Date of Patent: February 2, 2010Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Takao Maeda, Yuuichi Makino, Hajime Nakano, Ichiro Uehara
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Publication number: 20090275270Abstract: The present invention provides enhancement of processing accuracy of a braking surface of a brake disk. A brake disk braking surface processing device 1 includes a rotation driving device 11 that rotates a brake disk 2, a processing section 12 that processes braking surfaces 4 and 5 of the brake disk 2, and pressing rollers 13 and 14 that press the braking surfaces 4 and 5 of the brake disk 2. The brake disk braking surface processing device 1 includes the pressing rollers 13 and 14 that press the braking surfaces 4 and 5 of the brake disk 2. Therefore, even when tools are pressed against the braking surfaces 4 and 5 in a direction perpendicular to the braking surfaces 4 and 5, deformation of the braking surfaces 4 and 5 of the brake disk 2 can be suppressed with certainty. As a result, processing accuracy of the braking surfaces 4 and 5 of the brake disk 2 can be enhanced.Type: ApplicationFiled: April 7, 2006Publication date: November 5, 2009Inventors: Takao Maeda, Taku Nishiki
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Publication number: 20090191429Abstract: A ceramic sprayed member comprises a substrate and a ceramic sprayed coating thereon. Splats have been removed from the surface of the sprayed coating, typically by blasting. The ceramic sprayed member with improved plasma resistance mitigates particle contamination of wafers and enables stable manufacture when used in a halogen plasma process for semiconductor fabrication or the like.Type: ApplicationFiled: January 23, 2009Publication date: July 30, 2009Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Takao MAEDA, Hajime NAKANO, Toshihiko TSUKATANI