Patents by Inventor Yoshinobu Yasuda
Yoshinobu Yasuda 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: 6618917Abstract: A headstock 10 having a chuck 12 and a tailstock 20 having a shaft 21 are mounted on a bed 1 and can move with respect to each other in the direction of the Z-axis, A carriage 50 is slidably mounted on the bad 1 and can move in the Z-axis direction with respect to the rotational axis of a spindle 11. A turning device (lathe tool) 30 is provided to perform a turning operation on a workpiece and a gear cutting device 40 is provided to perform a gear cutting on the workpiece. The turning device 30 and the gear cutting device are preferably slidably mounted on the carriage 50 in a side-by-side relationship. The turning device 30 and the gear cutting device 40 may have respective traverse slide bases 31 and 41. The traverse slide bases 31 and 41 are mounted on the carriage 50 and can move independently in the direction of the X-axis perpendicular to the axis of the spindle 11, i.e. in a traverse sliding direction.Type: GrantFiled: August 28, 2001Date of Patent: September 16, 2003Assignee: Dainichi Kinzoku Kogyo Co., Ltd.Inventors: Hitoshi Sugiura, Yoshinobu Yasuda, Masami Funamoto, Kaoru Kobayashi
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Publication number: 20030041706Abstract: A headstock 10 having a chuck 12 and a tailstock 20 having a shaft 21 are mounted on a bed 1 and can move with respect to each other in the direction of the Z-axis, A carriage 50 is slidably mounted on the bad 1 and can move in the Z-axis direction with respect to the rotational axis of a spindle 11. A turning device (lathe tool) 30 is provided to perform a turning operation on a workpiece and a gear cutting device 40 is provided to perform a gear cutting on the workpiece. The turning device 30 and the gear cutting device are preferably slidably mounted on the carriage 50 in a side-by-side relationship. The turning device 30 and the gear cutting device 40 may have respective traverse slide bases 31 and 41. The traverse slide bases 31 and 41 are mounted on the carriage 50 and can move independently in the direction of the X-axis perpendicular to the axis of the spindle 11, i.e. in a traverse sliding direction.Type: ApplicationFiled: August 28, 2001Publication date: March 6, 2003Inventors: Hitoshi Sugiura, Yoshinobu Yasuda, Masami Funamoto, Kaoru Kobayashi
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Patent number: 6030907Abstract: A composite substrate for plastic reinforcement, which comprises a fiber mat and a closed cell foam sheet which are integrated by needling.Type: GrantFiled: July 16, 1997Date of Patent: February 29, 2000Assignee: Sowa Chemical Co., Ltd.Inventors: Haruyasu Ito, Sadao Araki, Yoshinobu Yasuda, Shuya Tsuji
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Patent number: 5866243Abstract: A composite substrate for a waterproofing structure, which comprises a fiber mat and a closed cell foam sheet which are integrated by needling.Type: GrantFiled: July 10, 1997Date of Patent: February 2, 1999Assignees: Sowa Chemical Co., Ltd., Asahi Fiber Glass Company, LimitedInventors: Yoshinobu Yasuda, Shuya Tsuji, Haruyasu Ito, Sadao Araki
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Patent number: 5480649Abstract: A procaterol-containing preparation for application to the skin which comprises a drug-retaining layer provided on a support, wherein said drug-retaining layer comprises a substantially water-free adhesive gel base comprising as essential components polyacrylic acid, a crosslinking agent and at least one lower alcohol or polyvalent alcohol, and 0.1 to 5% by weight of procaterol or a pharmaceutically acceptable salt thereof. Said preparation for application to the skin can be used as an external preparation for application to the skin which is capable of stably delivering procaterol or a salt thereof through the skin for a long time of period.Type: GrantFiled: June 19, 1992Date of Patent: January 2, 1996Assignee: Teikoku Seiaku Kabushiki KaishaInventors: Mitsuji Akazawa, Teruo Hama, Yukio Kimura, Yoshinobu Yasuda
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Patent number: 5340221Abstract: A bearing ring manufactured by the method includes the steps of forming recesses in both ends of an outer peripheral surface of a material ring having fiber flows extending substantially parallel to the outer peripheral surface and cutting into two ring halves the material ring at its center with respect to the direction of width. The ring halves are then brought together with their ends having the recesses facing to each other to form a bearing ring.Type: GrantFiled: August 10, 1993Date of Patent: August 23, 1994Assignee: NTN CorporationInventors: Yoshinobu Yasuda, Fukuhiro Tsushi, Tohru Mayumi
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Patent number: 5261159Abstract: A method of manufacturing a bearing ring of a bearing. This method includes the steps of forming recesses in both ends of an outer peripheral surface of a material ring having fiber flows extending substantially parallel to the outer peripheral surface and cutting into two ring halves the material ring at its center with respect to the direction of width. The ring halves are then brought together with their ends having the recesses facing to each other to form a bearing ring.Type: GrantFiled: August 25, 1992Date of Patent: November 16, 1993Assignee: NTN CorporationInventors: Yoshinobu Yasuda, Fukuhiro Tsushi, Tohru Mayumi
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Patent number: 4411244Abstract: An air/fuel ratio compensating device is provided for association with an internal combustion engine having a fuel control valve, air suction pipe means and pedal accelerator means, the compensating device including an area flow metal system made up of a flow detection valve positioned upstream in the air suction pipe means and operatively associated with the fuel control valve, a flow control valve positioned downstream in the air suction pipe means in series with the flow detection valve and being operatively connected to the accelerator pedal means, the area flow meter system enabling the difference in pressure existing on opposite sides of the flow detection valve to be maintained at a predetermined value to insure that the amount of air flow is proportional to the opening area of the flow detection valve thus permitting a determination of the amount of air flow on the basis of the opened area of the flow detection valve, a feedback control mechanism for controlling the area control flow meter and includiType: GrantFiled: October 1, 1980Date of Patent: October 25, 1983Assignee: NTN Toyo Bearing Co., Ltd.Inventors: Kei Kimata, Taugito Nakazeki, Yoshinobu Yasuda
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Patent number: 4297981Abstract: A fuel flow rate measuring device comprising a control rod axially movable in proportion to the rate of flow of air flowing through a suction pipe, a ball disposed in a taper bore and adapted to be moved in the taper bore by the control rod, the taper bore and the ball cooperating with each other to define a clearance which is variable in proportion to the rate of flow of the air, and a pressure regulator provided between a fluid inlet and outlet for keeping constant the fluid pressure difference across the clearance defined by the taper bore and ball.Type: GrantFiled: August 17, 1979Date of Patent: November 3, 1981Assignee: NTN Toyo Bearing Company, LimitedInventors: Kei Kimata, Yoshinobu Yasuda, Isamu Yoshida, Masahiro Saruta
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Patent number: 4285312Abstract: A gas flow measuring mechanism having a feedback control mechanism comprising a flow detection valve and a flow control valve which are in series with each other and placed in a channel, an area flowmeter for keeping constant the difference in the pressures existing on opposite sides of said flow detection valve and determining the amount of incoming air by the opening area of the flow detection valve, a pressure-sensitive amplifier mechanism for sensing the deviation of the difference in the pressures existing on opposite sides of the flow detection valve from a set pressure difference on the basis of the displacement of a pressure setting diaphragm, and a valve opening mechanism for controlling the opening and closing of the flow detection valve, wherein a bellows enclosing a gas at a reference temperature and under a reference pressure and having an effective area equal to (effective area of pressure difference setting diaphragm).times.Type: GrantFiled: April 11, 1979Date of Patent: August 25, 1981Assignee: NTN Toyo Bearing Co., Ltd.Inventors: Tsugito Nakazeki, Yoshinobu Yasuda
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Patent number: 4285313Abstract: An air flow measuring device comprising a flow detection valve located in a conduit and a servo-mechanism operable to maintain the difference in pressure across the detection valve at a control value, the servo-mechanism including a pressure-sensitive amplifier for sensing any deviation of the pressure difference from the control value by means of a pressure-responsive diaphragm and producing an amplified actuating pressure in response to such deviation and a valve actuator connected to the amplifier for receiving the actuating pressure and operatively connected to the flow detection valve for positioning same with the actuating pressure, wherein a resiliently deformable bellows filled with a given mass of a gas and having an effective pressure-sensitive-area equal to (the effective pressure-sensitive-area of the diaphragm).times.(the control value under a reference condition of air).div.Type: GrantFiled: June 29, 1979Date of Patent: August 25, 1981Inventors: Tsugito Nakazeki, Yoshinobu Yasuda
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Patent number: 4239028Abstract: An air/fuel ratio compensating device is provided for association with an internal combustion engine having a fuel control valve, air suction pipe means and pedal accelerator means, the compensating device including an area flow metal system made up of a flow detection valve positioned upstream in the air suction pipe means and operatively associated with the fuel control valve, a flow control valve positioned downstream in the air suction pipe means in series with the flow detection valve and being operatively connected to the accelerator pedal means, the area flow meter system enabling the difference in pressure existing on opposite sides of the flow detection valve to be maintained at a predetermined value to insure that the amount of air flow is proportional to the opening area of the flow detection valve thus permitting a determination of the amount of air flow on the basis of the opened area of the flow detection valve, a feedback control mechanism for controlling the area control flow meter and includiType: GrantFiled: May 7, 1979Date of Patent: December 16, 1980Assignee: N T N Toyo Bearing Co. Ltd.Inventors: Kei Kimata, Tsugito Nakazeki, Yoshinobu Yasuda
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Patent number: 4195814Abstract: A continuously operable fuel injection device comprises a sleeve having a substantially triangular measuring window communicating with the outlet port of a main body, the sleeve being inserted in the cavity of the main body, and a control spool having an annular groove communicating with the inlet port of the main body through an axially extending hole and axially slidably inserted in the sleeve, the substantially triangular measuring window cooperating with the annular groove of the control sleeve to form a variable orifice. By axially sliding the control spool, any desired flow rate can be obtained.Type: GrantFiled: June 28, 1978Date of Patent: April 1, 1980Assignee: NTN Toyo Bearing Company, LimitedInventors: Kei Kimata, Yoshinobu Yasuda, Ikuo Kinashi, Yoshihiro Matsumoto, Saburo Ohshima
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Patent number: 4184505Abstract: A fuel flow rate measuring device comprising a control rod axially movable in proportion to the rate of flow of air flowing through a suction pipe, a ball disposed in a taper bore and adapted to be moved in the taper bore by the control rod, the taper bore and the ball cooperating with each other to define a clearance which is variable in proportion to the rate of flow of the air, and a pressure regulator provided between a fluid inlet and outlet for keeping constant the fluid pressure difference across the clearance defined by the taper bore and ball.Type: GrantFiled: April 5, 1978Date of Patent: January 22, 1980Assignee: NTN Toyo Bearing Co., Ltd.Inventors: Kei Kimata, Yoshinobu Yasuda, Isamu Yoshida, Masahiro Saruta
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Patent number: 4153018Abstract: An air/fuel ratio compensating device is provided for association with an internal combustion engine having a fuel control valve, air suction pipe means and pedal accelerator means, the compensating device including an area flow metal system made up of a flow detection valve positioned upstream in the air suction pipe means and operatively associated with the fuel control valve, a flow control valve positioned downstream in the air suction pipe means in series with the flow detection valve and being operatively connected to the accelerator pedal means, the area flow meter system enabling the difference in pressure existing on opposite sides of the flow detection valve to be maintained at a predetermined value to insure that the amount of air flow is proportional to the opening area of the flow detection valve thus permitting a determination of the amount of air flow on the basis of the opened area of the flow detection valve, a feedback control mechanism for controlling the area control flow meter and includiType: GrantFiled: July 30, 1976Date of Patent: May 8, 1979Assignee: NTN Toyo Bearing Co. Ltd.Inventors: Kei Kimata, Tsugito Nakazeki, Yoshinobu Yasuda