Patents by Inventor Katsuhisa Ota
Katsuhisa Ota 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: 10302185Abstract: In an oil passage structure for a power transmission device including a case provided to accommodate a power transmission device, a baffle plate attached to an inner wall of the case, and an oil pump, the oil passage structure includes a supply oil passage through which oil is pumped from the oil pump to an oil supply destination via the baffle plate. The baffle plate has a structure in which two members of a plate body and a plate-shaped auxiliary member are superposed and integrated with each other. The baffle plate is provided with a plate oil passage that constitutes a portion of the supply oil passage and passes through the inside of the baffle plate. The plate oil passage is formed by a recess provided in at least one of a surface of the plate body and a surface of the auxiliary member which face to each other such that the auxiliary member is interposed on the plate body.Type: GrantFiled: October 10, 2017Date of Patent: May 28, 2019Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA GOSEI CO., LTD.Inventors: Takaho Kawakami, Motoki Tabuchi, Shinya Sakai, Katsuhisa Ota, Tatsuya Hirano, Yoshito Arihata
-
Publication number: 20180106357Abstract: In an oil passage structure for a power transmission device including a case provided to accommodate a power transmission device, a baffle plate attached to an inner wall of the case, and an oil pump, the oil passage structure includes a supply oil passage through which oil is pumped from the oil pump to an oil supply destination via the baffle plate. The baffle plate has a structure in which two members of a plate body and a plate-shaped auxiliary member are superposed and integrated with each other. The baffle plate is provided with a plate oil passage that constitutes a portion of the supply oil passage and passes through the inside of the baffle plate. The plate oil passage is formed by a recess provided in at least one of a surface of the plate body and a surface of the auxiliary member which face to each other such that the auxiliary member is interposed on the plate body.Type: ApplicationFiled: October 10, 2017Publication date: April 19, 2018Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYODA GOSEI CO., LTDInventors: Takaho KAWAKAMI, Motoki Tabuchi, Shinya Sakai, Katsuhisa Ota, Tatsuya Hirano, Yoshito Arihata
-
Patent number: 8936248Abstract: A boot seal for variable compression-rate engine includes a boot-seal element, and a reinforcement member. The boot-seal element includes an inner layer, and an outer layer. The inner layer is disposed on the inner face of the boot-seal element, and is composed of a fluorinated rubber. The outer layer is disposed on a more outer side of the boot-seal element than is the inner layer. Moreover, the boot-seal element is formed in a circumferentially developed state so as to have circumferential ends, and is then completed by joining the circumferential ends with each other. Thus, the boot-seal element makes an elastically deformable cylindrical bellows shape having a root that dents inward diametrically. In addition, the reinforcement member is disposed in the root of the cylindrical bellows-shaped boot-seal element at least.Type: GrantFiled: February 29, 2012Date of Patent: January 20, 2015Assignees: Toyoda Gosei Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Kenichi Mitsui, Katsuhisa Ota, Kaoru Itou
-
Publication number: 20130075297Abstract: Provided is a metal-resin composite container in which a flange portion formed of metal and a container portion formed of resin are joined together by overlapping of a flange vertical wall projecting from the flange portion and a container vertical wall projecting from the container portion. This overlapping prevents separation of the metal flange portion and the resin container portion caused by deformation of the resin container portion. The metal-resin composite container has a plurality of engagement parts each comprising a convex portion formed partially on the container vertical wall and a concave portion formed partially on the flange vertical wall and engaged with the convex portion. This convex-concave engagement allows gravity which acts on the container portion to be received by the concave portion of the flange portion and prevents cracking caused by excessive stress concentration.Type: ApplicationFiled: July 26, 2012Publication date: March 28, 2013Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYODA GOSEI CO., LTD.Inventors: Katsuhisa OTA, Yasunori UCHIDA, Motohiro YUGE, Atsunori KUMAGAI
-
Publication number: 20120248712Abstract: A boot seal for variable compression-rate engine includes a boot-seal element, and a reinforcement member. The boot-seal element includes an inner layer, and an outer layer. The inner layer is disposed on the inner face of the boot-seal element, and is composed of a fluorinated rubber. The outer layer is disposed on a more outer side of the boot-seal element than is the inner layer. Moreover, the boot-seal element is formed in a circumferentially developed state so as to have circumferential ends, and is then completed by joining the circumferential ends with each other. Thus, the boot-seal element makes an elastically deformable cylindrical bellows shape having a root that dents inward diametrically. In addition, the reinforcement member is disposed in the root of the cylindrical bellows-shaped boot-seal element at least.Type: ApplicationFiled: February 29, 2012Publication date: October 4, 2012Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYODA GOSEI CO., LTD.Inventors: Kenichi MITSUI, Katsuhisa Ota, Kaoru Itou
-
Publication number: 20120146294Abstract: A boot seal for variable compression-rate engine includes a cylindrical boot-seal element, and a deformation inhibitor. The boot-seal element has an end being fixed to the cylinder block of the variable compression-rate engine, and another end being fixed to the crankcase. Moreover, the boot-seal element is provided with a bellows-shaped cylindrical deformer being made of an elastically deformable material. The deformation inhibitor is disposed outside or inside the boot-seal element in order to control the boot-seal element so as to deform outwardly or inwardly to a predetermined deformation magnitude.Type: ApplicationFiled: November 21, 2011Publication date: June 14, 2012Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYODA GOSEI CO., LTD.Inventors: Kenichi MITSUI, Katsuhisa OTA, Kaoru ITOU
-
Patent number: 7530575Abstract: A fastening member is integrated with a boot body, at least one of a fastening leading end portion or a fastening tail end portion expands or reduces the diameter by elastic deformation, and when the fastening leading end portion or the fastening tail end portion expands the diameter, the fastening member forms the shape of a trumpet. Since the fastening member is integrated with the boot body, a cylindrical small-diameter portion can be readily built in the other part.Type: GrantFiled: September 7, 2006Date of Patent: May 12, 2009Assignee: Toyoda Gosei Co., Ltd.Inventor: Katsuhisa Ota
-
Patent number: 7419166Abstract: A boot includes a major-diameter fastener, a first bellows, a second bellows, a minor-diameter-side bellows, and a minor-diameter fastener. The major-diameter fastener is to be fastened to a mating major-diameter member. The first bellows is disposed continuously from the major-diameter fastener. The second bellows is disposed continuously from the first bellows. The minor-diameter-side bellows is disposed continuously from the second bellows. The minor-diameter fastener is disposed continuously from the minor-diameter-side bellows, and is to be fastened to a mating minor-diameter member. The first bellows exhibits an averaged first axial rigidity. The second bellows exhibits an averaged second axial rigidity. The minor-diameter-side bellows exhibits an averaged third axial rigidity. The averaged first axial rigidity and the averaged third axial rigidity are lower than the averaged second axial rigidity.Type: GrantFiled: March 9, 2007Date of Patent: September 2, 2008Assignee: Toyoda Gosei Co., Ltd.Inventors: Hidehiko Inagaki, Katsuhisa Ota
-
Patent number: 7296802Abstract: A boot is made of a resin for covering a ball joint interposed between a larger diameter mating member and a small diameter mating member, including a large diameter attachment portion fixed to the large diameter mating member, a first bellows portion continuous to the large diameter attachment portion, a second bellows portion which is continuous to the first bellows portion and in which at least a bottom inner peripheral diameter thereof is not larger than that of the first bellows portion and a rigidity in a radial direction thereof is lower than that of the first bellows portion, a taper bellows portion continuous to the second bellows portion, and a small diameter attachment portion continuous to the taper bellows portion and fixed to the small diameter mating member.Type: GrantFiled: November 16, 2004Date of Patent: November 20, 2007Assignee: Toyoda Gosei Co., Ltd.Inventor: Katsuhisa Ota
-
Publication number: 20070210535Abstract: A boot includes a major-diameter fastener, a first bellows, a second bellows, a minor-diameter-side bellows, and a minor-diameter fastener. The major-diameter fastener is to be fastened to a mating major-diameter member. The first bellows is disposed continuously from the major-diameter fastener. The second bellows is disposed continuously from the first bellows. The minor-diameter-side bellows is disposed continuously from the second bellows. The minor-diameter fastener is disposed continuously from the minor-diameter-side bellows, and is to be fastened to a mating minor-diameter member. The first bellows exhibits an averaged first axial rigidity. The second bellows exhibits an averaged second axial rigidity. The minor-diameter-side bellows exhibits an averaged third axial rigidity. The averaged first axial rigidity and the averaged third axial rigidity are lower than the averaged second axial rigidity.Type: ApplicationFiled: March 9, 2007Publication date: September 13, 2007Applicant: TOYODA GOSEI CO., LTD.Inventors: Hidehiko Inagaki, Katsuhisa Ota
-
Publication number: 20070071546Abstract: A fastening member is integrated with a boot body, at least one of a fastening leading end portion or a fastening tail end portion expands or reduces the diameter by elastic deformation, and when the fastening leading end portion or the fastening tail end portion expands the diameter, the fastening member forms the shape of a trumpet. Since the fastening member is integrated with the boot body, a cylindrical small-diameter portion can be readily built in the other part.Type: ApplicationFiled: September 7, 2006Publication date: March 29, 2007Applicant: TOYODA GOSEI CO., LTD.Inventor: Katsuhisa Ota
-
Patent number: 6992571Abstract: A seatbelt-fastening prompting apparatus which includes; a seatbelt fastening detector for detecting whether a seatbelt is fastened or unfastened; a vibrator for vibrating a steering wheel; and a controller for activating the vibrator when an ignition switch is turned on and the seatbelt fastening detector detects the seatbelt as being unfastened.Type: GrantFiled: December 18, 2003Date of Patent: January 31, 2006Assignee: Nissan Motor Co., Ltd.Inventors: Katsuhisa Ota, Takashi Wagatsuma, Takayuki Honma
-
Patent number: 6977582Abstract: A seatbelt fastening prompting apparatus comprises a display device of driving assistance information which displays driving assistance information on a screen, a seatbelt fastening detection device which detects a fastening situation of a seatbelt as to whether the seatbelt is fastened or unfastened, a vehicle speed detection device which detects a vehicle speed, and a control device which allows the screen to display warning contents to the effect that the seatbelt should be fastened, when an ignition switch is turned on and the seatbelt is detected as being unfastened by the seatbelt fastening detection device. In the seatbelt fastening prompting apparatus, the warning contents are changed to raise a warning level thereof step by step in accordance with the vehicle speed.Type: GrantFiled: December 18, 2003Date of Patent: December 20, 2005Assignee: Nissan Motor Co., Ltd.Inventors: Katsuhisa Ota, Dai Matsumoto
-
Publication number: 20050121860Abstract: A boot is characterized in a boot made of a resin for covering a ball joint interposed between a larger diameter mating member and a small diameter mating member, including a large diameter attachment portion fixed to the large diameter mating member, a first bellows portion continuous to the large diameter attachment portion, a second bellows portion which is continuous to the first bellows portion and in which at least a bottom inner peripheral diameter thereof is not larger than that of the first bellows portion and a rigidity in a radial direction thereof is lower than that of the first bellows portion, a taper bellows portion continuous to the second bellows portion, and a small diameter attachment portion continuous to the taper bellows portion and fixed to the small diameter mating member.Type: ApplicationFiled: November 16, 2004Publication date: June 9, 2005Inventor: Katsuhisa Ota
-
Publication number: 20040178901Abstract: A seatbelt-fastening prompting apparatus which includes; a seatbelt fastening detector for detecting whether a seatbelt is fastened or unfastened; a vibrator for vibrating a steering wheel; and a controller for activating the vibrator when an ignition switch is turned on and the seatbelt fastening detector detects the seatbelt as being unfastened.Type: ApplicationFiled: December 18, 2003Publication date: September 16, 2004Applicant: NISSAN MOTOR CO., LTD.Inventors: Katsuhisa Ota, Takashi Wagatsuma, Takayuki Honma
-
Publication number: 20040124974Abstract: A seatbelt fastening prompting apparatus comprises a display device of driving assistance information which displays driving assistance information on a screen, a seatbelt fastening detection device which detects a fastening situation of a seatbelt as to whether the seatbelt is fastened or unfastened, a vehicle speed detection device which detects a vehicle speed, and a control device which allows the screen to display warning contents to the effect that the seatbelt should be fastened, when an ignition switch is turned on and the seatbelt is detected as being unfastened by the seatbelt fastening detection device. In the seatbelt fastening prompting apparatus, the warning contents are changed to raise a warning level thereof step by step in accordance with the vehicle speed.Type: ApplicationFiled: December 18, 2003Publication date: July 1, 2004Applicant: NISSAN MOTOR CO., LTD.Inventors: Katsuhisa Ota, Dai Matsumoto