Patents by Inventor Mitsuhiro Sasaki
Mitsuhiro Sasaki 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: 11441654Abstract: A lock-up device includes a clutch part and a damper part. The clutch part is disposed between a front cover and a turbine, and transmits or blocks torque. The damper part transmits torque from the clutch part to the turbine, and absorbs torsional vibration. The damper part includes input and output members, elastic members, and a support member. The input member is connected to the clutch part. The output member is connected to the turbine. The elastic members connect the input and output members. The support member has a connecting part, a regulating part, and a stopper part. The regulating part is provided such that the output member is interposed axially between the regulating part and part of the input member. The stopper part is configured to contact the output member and prohibit the input and output members from rotating relative to each other by a predetermined angle or more.Type: GrantFiled: May 3, 2021Date of Patent: September 13, 2022Assignee: EXEDY CORPORATIONInventor: Mitsuhiro Sasaki
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Patent number: 11384824Abstract: A lock-up device includes a clutch part, a piston, a sleeve, and an oil chamber plate. The clutch part is disposed between a front cover and a turbine. The piston is axially movable, and brings the clutch part into a torque-transmission state. The sleeve is fixed to the inner peripheral part of the front cover. The sleeve has a piston support part and a first butt part. The piston support part supports an inner peripheral surface of the piston to be axially movable. The first butt part is formed on the outer peripheral surface of the piston support part. The oil chamber plate is provided between the piston and the turbine. The oil chamber plate has a second butt part. The second butt part is butt-welded with the first butt part. The oil chamber plate forms an oil chamber. Hydraulic fluid is supplied between the oil chamber and the piston.Type: GrantFiled: May 3, 2021Date of Patent: July 12, 2022Assignee: EXEDY CORPORATIONInventor: Mitsuhiro Sasaki
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Patent number: 11346431Abstract: A lock-up device includes a clutch part and a damper part. The clutch part is disposed between a front cover and a turbine. The clutch part transmits or blocks torque. The damper part transmits torque from the clutch part to the turbine, and absorbs torsional vibration. The damper part includes an input member, an output member, a plurality of elastic members, and a support member. The input member is connected to the clutch part. The output member is rotatable relative to the input member and is connected to the turbine. The elastic members are accommodated in the input member, and elastically connect the input member and the output member in a rotational direction. The support member has a connecting part and a plurality of support parts. The connecting part is connected to the input member. The plurality of support parts support inner peripheral surfaces of the plurality of elastic members.Type: GrantFiled: May 3, 2021Date of Patent: May 31, 2022Assignee: EXEDY CORPORATIONInventor: Mitsuhiro Sasaki
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Publication number: 20210372510Abstract: A lock-up device includes a clutch part and a damper part. The clutch part is disposed between a front cover and a turbine. The clutch part transmits or blocks torque. The damper part transmits torque from the clutch part to the turbine, and absorbs torsional vibration. The damper part includes an input member, an output member, a plurality of elastic members, and a support member. The input member is connected to the clutch part. The output member is rotatable relative to the input member and is connected to the turbine. The elastic members are accommodated in the input member, and elastically connect the input member and the output member in a rotational direction. The support member has a connecting part and a plurality of support parts. The connecting part is connected to the input member. The plurality of support parts support inner peripheral surfaces of the plurality of elastic members.Type: ApplicationFiled: May 3, 2021Publication date: December 2, 2021Inventor: Mitsuhiro SASAKI
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Publication number: 20210372509Abstract: A lock-up device includes a clutch part and a damper part. The clutch part is disposed between a front cover and a turbine, and transmits or blocks torque. The damper part transmits torque from the clutch part to the turbine, and absorbs torsional vibration. The damper part includes input and output members, elastic members, and a support member. The input member is connected to the clutch part. The output member is connected to the turbine. The elastic members connect the input and output members. The support member has a connecting part, a regulating part, and a stopper part. The regulating part is provided such that the output member is interposed axially between the regulating part and part of the input member. The stopper part is configured to contact the output member and prohibit the input and output members from rotating relative to each other by a predetermined angle or more.Type: ApplicationFiled: May 3, 2021Publication date: December 2, 2021Inventor: Mitsuhiro SASAKI
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Publication number: 20210372511Abstract: A lock-up device includes a clutch part, a piston, a sleeve, and an oil chamber plate. The clutch part is disposed between a front cover and a turbine. The piston is axially movable, and brings the clutch part into a torque-transmission state. The sleeve is fixed to the inner peripheral part of the front cover. The sleeve has a piston support part and a first butt part. The piston support part supports an inner peripheral surface of the piston to be axially movable. The first butt part is formed on the outer peripheral surface of the piston support part. The oil chamber plate is provided between the piston and the turbine. The oil chamber plate has a second butt part. The second butt part is butt-welded with the first butt part. The oil chamber plate forms an oil chamber. Hydraulic fluid is supplied between the oil chamber and the piston.Type: ApplicationFiled: May 3, 2021Publication date: December 2, 2021Inventor: Mitsuhiro SASAKI
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Patent number: 11118662Abstract: A lock-up device for a torque converter transmitting a torque from a front cover to a transmission-side member is disclosed. The lock-up device includes a clutch part, a piston, and a return mechanism. The piston is axially opposed to the front cover through the clutch part. The piston is axially movable and applies a pressing force to the clutch part whereby the clutch part is turned to an activated state. The return mechanism urges the piston away from the front cover. The return mechanism is disposed axially between the front cover and the piston while disposed radially inside the clutch part. The return mechanism includes first and second plates, and an elastic member. The first plate contacts the front cover. The second plate contacts the piston while axially opposed to the first plate. The elastic member is disposed between the first and second plates in a compressed state.Type: GrantFiled: December 11, 2019Date of Patent: September 14, 2021Assignee: EXEDY CORPORATIONInventors: Tohru Watanabe, Mitsuhiro Sasaki
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Publication number: 20200271207Abstract: A lock-up device for a torque converter transmitting a torque from a front cover to a transmission-side member is disclosed. The lock-up device includes a clutch part, a piston, and a return mechanism. The piston is axially opposed to the front cover through the clutch part. The piston is axially movable and applies a pressing force to the clutch part whereby the clutch part is turned to an activated state. The return mechanism urges the piston away from the front cover. The return mechanism is disposed axially between the front cover and the piston while disposed radially inside the clutch part. The return mechanism includes first and second plates, and an elastic member. The first plate contacts the front cover. The second plate contacts the piston while axially opposed to the first plate. The elastic member is disposed between the first and second plates in a compressed state.Type: ApplicationFiled: December 11, 2019Publication date: August 27, 2020Inventors: Tohru WATANABE, Mitsuhiro SASAKI
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Patent number: 7935358Abstract: A cosmetic skin preparation containing a porous powder which contains water absorbed therein and whose surface is coated with a binder containing a crosslinked type organopolysiloxane.Type: GrantFiled: January 31, 2006Date of Patent: May 3, 2011Assignee: Kao CorporationInventors: Mitsuhiro Sasaki, Nobuo Takazawa, Masanori Tanahashi, Keiichi Fukuda, Hideki Yamauchi
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Publication number: 20090207295Abstract: An imaging device includes a vertical transfer unit to sequentially transfer the charges generated by photoelectric conversion elements in a vertical direction with the transfer registers, during a vertical transfer period, a horizontal transfer unit to horizontally transfer the charges transferred by the vertical transfer unit, during a horizontal transfer period, and a controller to control the vertical transfer unit and the horizontal transfer unit. The controller controls the vertical transfer unit such that the number of transfer registers used to store the charges during the horizontal transfer period is larger than the number of transfer registers used to store the charges during the vertical transfer period.Type: ApplicationFiled: February 6, 2009Publication date: August 20, 2009Applicant: Panasonic CorporationInventors: Hiromasa Funakoshi, Takeo Minami, Mitsuhiro Sasaki
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Publication number: 20090035333Abstract: A cosmetic skin preparation containing a porous powder which contains water absorbed therein and whose surface is coated with a binder containing a crosslinked type organopolysiloxane.Type: ApplicationFiled: January 31, 2006Publication date: February 5, 2009Applicant: KAO CORPORATIONInventors: Mitsuhiro Sasaki, Nobuo Takazawa, Masanori Tanahashi, Keiichi Fukuda, Hideki Yamauchi
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Patent number: 5763130Abstract: The present invention is directed to an encapsulated toner for heat-and-pressure fixing having a heat-fusible core material containing at least a thermoplastic resin and a coloring agent and a shell formed thereon so as to cover the surface of the core material. An amorphous polyester is used as the main component of the shell, and the amount of the amorphous polyester is normally 3 to 50 parts by weight, based on 100 parts by weight of the core material. The encapsulated toner of the present invention is excellent in offset resistance, fixable even at a low temperature and excellent in blocking resistance when it is used for heat-and-pressure fixing using a heat roller.Type: GrantFiled: February 1, 1996Date of Patent: June 9, 1998Assignee: Kao CorporationInventors: Mitsuhiro Sasaki, Tetsuya Asano, Kuniyasu Kawabe, Hiroyuki Kawaji, Kazuhiro Fujiki
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Patent number: 5733700Abstract: The present invention is directed to an encapsulated toner for heat-and-pressure fixing whose shell contains a copolymer having one or more acid anhydride groups as the main component. The encapsulated toner of the present invention has excellent offset resistance and fixing ability even at a low fixing temperature, and also it is excellent in blocking resistance. Further, since the resin having a negative charge is used as a shell material, clear images free from background contamination can be stably formed for a large number of copying.Type: GrantFiled: January 17, 1997Date of Patent: March 31, 1998Assignee: Kao CorporationInventors: Tetsuya Asano, Mitsuhiro Sasaki, Kuniyasu Kawabe
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Patent number: 5672454Abstract: A toner for developing an electrostatic latent image which includes at least particulate magnetic materials and a binder resin has no particulate magnetic materials on the surface of the toner. In the toner, wherein A and b.sub.min satisfy the relationship: b.sub.min /A>0.02, where A represents an average particle diameter of the toner, and b.sub.min represents a minimum distance between a particulate magnetic material located at a position closest to the surface of the toner and the toner surface.Type: GrantFiled: December 1, 1994Date of Patent: September 30, 1997Assignee: Kao CorporationInventors: Mitsuhiro Sasaki, Koji Akiyama
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Patent number: 5648841Abstract: A method of forming fixed images including charging a photoconductor; exposing the photoconductor to light; developing an electrostatic latent image so that a toner is applied to the electrostatic latent image formed on the photoconductor to form a visible image; transferring the formed visible image to a recording medium; and fixing the transferred visible image onto the recording medium, such that the toner is a thermally dissociating encapsulated toner and the fixing process is carried out at a temperature of not less than 40.degree. C. and not more than 120.degree. C.Type: GrantFiled: November 14, 1994Date of Patent: July 15, 1997Assignee: Kao CorporationInventors: Shin-ichiro Yasuda, Kuniyasu Kawabe, Mitsuhiro Sasaki
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Patent number: 5604074Abstract: A developing method of the present invention has the steps of forming a uniform layer of a nonmagnetic one-component toner on a developer carrying sleeve with a developer blade; rotating an electrostatic latent image forming member and the developer carrying sleeve; and applying the toner on the developer carrying sleeve onto an electrostatic latent image formed on the electrostatic latent image forming member. The toner used herein is an encapsulated toner having a heat-fusible core material and a shell formed thereon. By using this development for a nonmagnetic one-component toner of the present invention, clear images free from background can be stably formed for a large number of copying.Type: GrantFiled: May 1, 1995Date of Patent: February 18, 1997Assignee: KAO CorporationInventors: Shin-ichiro Yasuda, Kuniyasu Kawabe, Koji Akiyama, Mitsuhiro Sasaki, Koji Kameyama
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Patent number: 5571652Abstract: The encapsulated toner for heat-and-pressure fixing which includes a heat-fusible core material containing at least a thermoplastic resin and a coloring agent, and a shell formed thereon so as to cover the surface of the core material is produced by a process having the step of carrying out in situ polymerization using a thermoplastic resin as a main component of the shell to form a shell having a structure in which a part of the heat-fusible core material is incorporated therein, the thermoplastic resin having a mechanical loss tangent (tan .delta.) in the range of from 1.0 to 20.0 based on a dynamic viscoelasticity, when measured with a sine stress having an angular frequency of 25 rad/s at a temperature of from 80.degree. to 120.degree. C. By using the encapsulated toner, good offset resistance can be obtained in the resulting toner even when its fixing speed is slow.Type: GrantFiled: August 17, 1994Date of Patent: November 5, 1996Assignee: Kao CorporationInventors: Tetsuya Asano, Mitsuhiro Sasaki, Takashi Yamaguchi, Kuniyasu Kawabe
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Patent number: 5536612Abstract: A method for producing an encapsulated toner for heat-and-pressure fixing, which has a heat-fusible core material containing at least a thermoplastic resin and a coloring agent and a shell formed thereon so as to cover the surface of the core material, having the steps of coating the surface of the core material with a hydrophilic shell-forming material to form precursor particles; adding at least a vinyl polymerizable monomer and an initiator for vinyl polymerization to an aqueous suspension of the precursor particles to absorb them into the precursor particles; and then polymerizing the monomer components in the precursor particles. The method of the present invention offers toners which not only have improved storage stability but also are excellent in offset resistance, fixable at a low temperature and are further capable of forming clear images free from background.Type: GrantFiled: March 7, 1994Date of Patent: July 16, 1996Assignee: Kao CorporationInventors: Takashi Yamaguchi, Mitsuhiro Sasaki, Tetsuya Asano, Kuniyasu Kawabe
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Patent number: 5529876Abstract: The present invention is directed to an encapsulated toner for heat-and-pressure fixing having a heat-fusible core material containing at least a thermoplastic resin and a coloring agent and a shell formed thereon so as to cover the surface of the core material. An amorphous polyester is used as the main component of the shell, and the amount of the amorphous polyester is normally 3 to 50 parts by weight, based on 100 parts by weight of the core material. The encapsulated toner of the present invention is excellent in offset resistance, fixable even at a low temperature and excellent in blocking resistance when it is used for heat-and-pressure fixing using a heat roller.Type: GrantFiled: May 25, 1995Date of Patent: June 25, 1996Assignee: Kao CorporationInventors: Mitsuhiro Sasaki, Tetsuya Asano, Kuniyasu Kawabe, Hiroyuki Kawaji, Kazuhiro Fujiki
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Patent number: 5463454Abstract: A method of forming fixed images including uniformly charging a photoconductor, selectively exposing the photoconductor to light to form an electrostatic latent image, developing the electrostatic latent image with a thermally dissociating encapsulated toner to form a visible image, transferring the formed toner image to a recording medium, and fixing the transferred the toner image onto the recording medium, the fixing process being carried out at a temperature of not less than 40.degree. C. and not more than 120.degree. C. and by using a fixing roller exerting a nip pressure of less than 4 kg/cm.Type: GrantFiled: August 25, 1993Date of Patent: October 31, 1995Assignee: KAO CorporationInventors: Shin-ichiro Yasuda, Kuniyasu Kawabe, Mitsuhiro Sasaki