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Katsuya Furusu, Yuji Nagasawa, Shin ichi Ishiyama, Yoshiyuki Mizutani, Yasuaki Ichiba, Lynn B Long: Backing plate for disc brake with different damping layers for brake squeal. Kabushiki Kaisha Toyota Chuo Kenkyusho, Oblon Spivak McClelland Maier & Neustadt, March 31, 1992: US05099962 (29 worldwide citation)

A damping pad for preventing brake squeal includes: a first metal plate with a brake shoe fixed to one surface thereof; a second metal plate; a third metal plate; a first damping layer disposed between the other surface of the first metal plate and one surface of the second metal plate, and composed ...


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Yuji Nagasawa, Masataka Osawa, Noriyasu Yamada, Fumio Ueda: Method and apparatus for measuring the damping characteristics of a friction member. Kabushiki Kaisha Toyota Chuo Kenkyusho, Oblon Spivak McClelland Maier & Neustadt P C, November 14, 2000: US06145382 (6 worldwide citation)

A method for measuring damping characteristics of a friction member include: relatively pressing a first member as a friction member to be measured against a second member, for relatively sliding with respect to a second member and vibrating, measuring vibration states of the pressed first and secon ...


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Kenji Abe, Masaaki Nishiwaki, Hiroshi Isono, Hiroyuki Fujikawa, Satoshi Wakamatsu, Yoshio Shimura, Yuji Nagasawa: Friction material and production method of friction material. Toyota Jidosha Kabushiki Kaisha, Oblon Spivak McClelland Maier & Neustadt L, July 23, 2013: US08492466 (4 worldwide citation)

A friction material including: an amorphous resin that has a chain-like polymer structure; and other components that constitute the friction material and that are components other than the amorphous resin, wherein dispersion treatment is preliminarily carried out in which the amorphous resin is disp ...


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Yuji Nagasawa, Masakatsu Kuroishi, Hitoshi Nagata, Kunihiko Ando, Noriyasu Yamada: Frictional dynamic characteristic measuring apparatus. Kabushiki Kaisha Toyota Chuo Kenkyusho, Oblon Spivak McClelland Maier & Neustadt P C, December 7, 1999: US05996395 (4 worldwide citation)

A frictional dynamic characteristic measuring apparatus for measuring a pressing force and a frictional force acting between a friction material as a specimen and a slide portion which are in sliding contact, includes a sliding speed changing device for forcibly changing a sliding speed of the frict ...


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Teruhiko Nakazawa, Ichiro Tarutani, Yuji Nagasawa, Shinji Yamane, Keisuke Mori: Chain for continuously variable transmission. JTEKT CORPORATION, Oliff, October 11, 2016: US09464688

Three links within one width-direction unit are included in respectively different link units. The links in the first row and the sixth row from the right end and the left end of a chain are included in the same link unit. The links in the second row and the fifth row are included in the same link u ...


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Teruhiko Nakazawa, Ichiro Tarutani, Yuji Nagasawa, Shinji Yamane, Keisuke Mori: Chain for continuously variable transmission. JTEKT CORPORATION, Oliff, April 5, 2016: US09303724

Three links (40) within one width-direction unit (54) are included in respectively different link units (46). The links in the first row and the sixth row from the right end and the left end of a chain are included in the same link unit (first link unit 46-1). The links in the second row and the fif ...


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Teruhiko Nakazawa, Ichiro Tarutani, Haruhiro Hattori, Yuji Nagasawa, Shinji Yamane, Keisuke Mori: Chain for continuously variable transmission. JTEKT CORPORATION, Oliff, April 19, 2016: US09316287

A chain, wound to span between two pulleys each having facing conical surfaces able to change a distance therebetween and sandwiched by the facing conical surfaces, includes: link units each configured such that plate-shaped links, each having openings, are oriented in a chain circumferential direct ...


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Kenji Abe, Masaaki Nishiwaki, Hiroshi Isono, Hiroyuki Fujikawa, Satoshi Wakamatsu, Yoshio Shimura, Yuji Nagasawa: Friction material and production method of friction material. Toyota Jidosha Kabushiki Kaisha, Oblon Spivak McClelland Maier & Neustadt L, August 21, 2012: US08247472

A friction material including: an amorphous resin that has a chain-like polymer structure; and other components that constitute the friction material and that are components other than the amorphous resin, wherein dispersion treatment is preliminarily carried out in which the amorphous resin is disp ...


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Ken Yamanaka, Yuji Nagasawa, Ichiro Tarutani: Elements of drive power transfer belt of belt-drive continuously variable transmission for vehicle. TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO, Sughrue Mion PLLC, August 18, 2015: US09109655

Provided are elements arranged along a ring of a drive power transfer belt wound on pulleys of a belt-drive continuously variable transmission. Each element has a recess at one side of the element and a projection projecting from the other side to fit into the recess of the adjacent element. The pro ...