Patents by Inventor Tomomi Ishikawa
Tomomi Ishikawa 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: 8113701Abstract: A vehicular lamp has an opening portion extending in a left-right direction provided on a side that wraps around toward a rear of a vehicle on an end side of an outer side wall of a mirror housing that supports a side mirror body has a main lamp body. The vehicular lamp has a lamp body and a front lens. The main lamp body is formed into a shape that generally follows the curved opening portion. The front lens is attached to the mirror housing so as to slightly project from or be on generally the same plane as the opening portion. The vehicular lamp has a surface-emitting light guide inner lens provided along the front lens in a curved lamp chamber space. The lamp chamber space is defined by the lamp body and the front lens. The lamp chamber space is elongated in the left-right direction.Type: GrantFiled: August 26, 2009Date of Patent: February 14, 2012Assignee: Koito Manufacturing Co., Ltd.Inventor: Tomomi Ishikawa
-
Patent number: 8021052Abstract: In a wheel support bearing assembly having rows of rolling elements interposed between an outer member and an inner member, spacers are interposed between vehicle body fitting holes in the outer member, which is a stationary member, and a knuckle. A sensor unit including a sensor mounting member and a strain sensor is fitted to the outer member. The sensor mounting member has at least two contact fixing portions fixed to the outer member and, also, has at least one recess between the neighboring contact fixing portions, the strain sensor being disposed in this recess.Type: GrantFiled: November 16, 2006Date of Patent: September 20, 2011Assignee: NTN CorporationInventors: Takayoshi Ozaki, Tomomi Ishikawa, Kentarou Nishikawa
-
Patent number: 8018237Abstract: To provide a broken piece detecting sensor assembly capable of stably detecting broken piece admixed in a fluid, which broken piece is made of material characterized by non-metal, non-magnetic and non-electroconductive characteristics such as ceramics. This broken piece detecting sensor assembly is a sensor for detecting broken piece admixed in a fluid. Provided are two opposed flat plates, a shift mechanism for moving at least one of the two flat plates in a confronting direction to allow the broken piece to be sandwiched between those two flat plates, and measuring and determining section. The measuring and determining section is operable to measure the distance between the two flat plates to thereby detect the presence or absence of the broken piece, the size of the broken piece or the amount of the broken piece accumulated.Type: GrantFiled: September 5, 2007Date of Patent: September 13, 2011Assignee: NTN CorporationInventors: Toru Takahashi, Tomomi Ishikawa
-
Publication number: 20110170307Abstract: In a vehicle lamp (1), a plurality of LED light sources (11) are arranged on a common substrate (12). A light guiding lens (13) elongated in a direction in which the LED light sources (11) are aligned is provided. A plurality of reflecting sections (22) are provided on the light guiding lens (13). The reflecting sections (22) are configured to individually reflect incident lights from the respective LED light sources (11) to a periphery of a vehicle. Respective directions of the reflecting sections (22) are made to differ in accordance with positions of the corresponding LED light sources (11).Type: ApplicationFiled: January 11, 2011Publication date: July 14, 2011Applicant: KOITO MANUFACTURING CO., LTD.Inventors: Tomomi ISHIKAWA, Shigehiko KAZAOKA
-
Publication number: 20110124459Abstract: A power transmission apparatus mounted on a vehicle is provided with a motor that transmits power from the motor to an axle through a friction engagement element. The power transmission apparatus is further configured with a mechanical pump that pressure-feeds a fluid to a fluid pressure servo for the friction engagement element, and an electric pump that pressure-feeds the fluid to the fluid pressure servo of the friction engagement element. Furthermore, a lubrication supply passage is configured to connect to a flow passage extending from the electric pump to the fluid pressure servo. A first valve switches between opening and closing the lubrication supply passage such that, during a stop of the motor, so as to supply the fluid to the fluid pressure servo when in a driving position, and to the component to be lubricated when shifted to a neutral position.Type: ApplicationFiled: October 22, 2010Publication date: May 26, 2011Applicant: AISIN AW CO., LTD.Inventors: Tetsuya SHIMIZU, Tomomi ISHIKAWA, Kazunori ISHIKAWA
-
Publication number: 20110073427Abstract: A hydraulic control device used in an automatic transmission includes an oil pump, a working pressure regulating portion, a first lubricant supply passage, a lockup switch mechanism, and a second lubricant supply passage. The oil pump is driven in accordance with rotation of a driving source. The working pressure regulating portion regulates a working pressure based on an oil pressure generated by the oil pump. The first lubricant supply passage supplies a back pressure of the working pressure to a lubricant passage. The lockup switch mechanism turns on/off a lockup clutch of the automatic transmission by switching a supply/discharge path of the working pressure to/from a fluid transmission apparatus of the automatic transmission. The second lubricant supply passage supplies the working pressure to the lubricant passage and is disconnected when a lockup clutch of the automatic transmission is turned on by the lockup switch mechanism.Type: ApplicationFiled: August 30, 2010Publication date: March 31, 2011Applicant: AISIN AW CO., LTD.Inventors: Tomomi ISHIKAWA, Tetsuya SHIMIZU, Kazunori ISHIKAWA
-
Publication number: 20110073196Abstract: A hydraulic control apparatus including a gain switch section switching a gain of a line pressure adjustment valve between a first range gain that is less than 1 and a second range gain that is greater than or equal to 1, and a source pressure switching valve switching a source pressure for a working pressure adjustment valve that outputs the control pressure for the line pressure adjustment valve between the line pressure and a modulator pressure is disclosed. The source pressure switching valve switches the source pressure for the working pressure adjustment valve to the line pressure when the gain switching section switches the gain of the line pressure adjustment valve to the first range gain, and switches the source pressure for the working pressure adjustment valve to the modulator pressure when the gain switching section switches the gain of the line pressure adjustment valve to the second range gain.Type: ApplicationFiled: September 15, 2010Publication date: March 31, 2011Applicant: AISIN AW CO., LTD.Inventors: Tomomi ISHIKAWA, Tetsuya Shimizu, Kazunori Ishikawa
-
Patent number: 7882752Abstract: The wheel support bearing assembly is for rotatably supporting a vehicle wheel relative to an automotive vehicle body, which includes an outer member having an inner periphery formed with a plurality of rows of raceway surfaces, an inner member having raceway surfaces formed therein in face-to-face relation with the raceway surfaces in the outer member, and a plurality of rows of rolling elements interposed between those raceway surfaces, respectively; a sensor unit including a sensor mounting member and a strain sensor fitted to the sensor mounting member, the sensor unit being fitted to a stationary member, which is one of the outer member and the inner member; and wherein the sensor mounting member includes at least two contact fixing portion relative to the stationary member and the strain sensor is arranged at at least one location between the contact fixing portions.Type: GrantFiled: December 1, 2006Date of Patent: February 8, 2011Assignee: NTN CorporationInventors: Takayoshi Ozaki, Tomomi Ishikawa, Kentarou Nishikawa
-
Patent number: 7878713Abstract: A sensor-incorporated wheel support bearing assembly, enabling a load sensor to be compactly installed on the vehicle and capable of detecting a load on a wheel with good sensitivity includes a ring member, affixed to a stationary member, which has at an intermediate portion thereof a first non-contact ring portion not in contact with the stationary member, at one end a first contact ring portion in contact with the stationary member, and at the other end the following (A) or (B): (A) a second non-contact ring portion having a wall thickness greater than that of the first non-contact ring portion; (B) a second contact ring portion in contact with the stationary member. A strain sensor is fitted to; in (A), the first non-contact ring portion, and in (B), the first non-contact ring portion or first contact ring portion, which has smaller wall thickness.Type: GrantFiled: August 22, 2006Date of Patent: February 1, 2011Assignee: NTN CorporationInventors: Takayoshi Ozaki, Tomomi Ishikawa, Kentarou Nishikawa
-
Patent number: 7856893Abstract: To provide a sensor incorporated wheel support bearing assembly, in which a load sensor can be compactly installed in an automotive vehicle, the load acting on the vehicle wheel can be detected with high sensitivity and the manufacturing cost can be reduced, the bearing assembly having a plurality of rows of rolling elements interposed between an outer member and an inner member includes a sensor unit fitted to one of the outer member and the inner member, which serves as a stationary member. The sensor unit includes a sensor mounting member and a strain sensor fitted thereto. The sensor mounting member has two contact fixing portions fixed to the outer member and a first contact fixing portion is fixed to a flange surface of the outer member and a second contact fixing portion is fixed to a peripheral surface of the outer member.Type: GrantFiled: March 7, 2007Date of Patent: December 28, 2010Assignee: NTN CorporationInventors: Takayoshi Ozaki, Tomomi Ishikawa, Kentarou Nishikawa, Toru Takahashi, Yujiro Ono, Takayuki Norimatsu
-
Patent number: 7841439Abstract: A occupant weight detecting device detects the weight of an occupant setting on a vehicle seat assembly and includes a pivot support mechanism for supporting the vehicle seat assembly for pivotal movement about a horizontally extending shaft relative to a seat fixing portion in a vehicle; an elastic force applying mechanism for applying a biasing force to the vehicle seat assembly to enable the latter to pivot an angle, proportional to a load imposed on the vehicle seat assembly, relative to the seat fixing portion; a pivot angle detecting mechanism for detecting an angle of pivot of the vehicle seat assembly relative to the seat fixing portion; and a pivot restricting mechanism for defining a pivotal range over which the vehicle seat assembly can pivot relative to the seat fixing portion.Type: GrantFiled: August 21, 2008Date of Patent: November 30, 2010Assignee: NTN CorporationInventors: Tomomi Ishikawa, Takayoshi Ozaki
-
Patent number: 7819026Abstract: A sensor-equipped wheel support bearing assembly, enabling the cost during the mass production to be reduced, includes an outer member, an inner member, a plurality of rolling elements interposed between the opposed raceway surfaces. One of the outer member and the inner member, which serves as a stationary member, is fitted with a sensor mounting member provided with a strain sensor. The sensor mounting member is further provided with a status detecting sensor to detect different status other than a strain.Type: GrantFiled: August 24, 2006Date of Patent: October 26, 2010Assignee: NTN CorporationInventors: Takayoshi Ozaki, Tomomi Ishikawa, Kentarou Nishikawa
-
Patent number: 7780358Abstract: A sensor-incorporated wheel support bearing assembly (18) includes an outer member (1) having an inner peripheral surface formed with double rows of raceway surfaces (4), an inner member (2) having an outer peripheral surface formed with raceway surfaces (5) opposed to the raceway surfaces (4) in the outer member (1), and double rows of rolling elements (3) interposed between the raceway surfaces (4) and (5) in the outer and inner members (1) and (2). Rings (9A) and (9B) each having an outer peripheral surface tapered is secured to the inner member (2). A displacement sensor (10) confronting the tapered outer peripheral surfaces of the rings (9A) and (9B) is mounted on the outer member (11) or a member (17) rigidly secured to the outer member (1) for measuring the distance between such displacement sensor (10) and the rings (9A) and (9B).Type: GrantFiled: March 1, 2006Date of Patent: August 24, 2010Assignee: NTN CorporationInventors: Takayoshi Ozaki, Tomomi Ishikawa, Kentarou Nishikawa
-
Patent number: 7771121Abstract: The bearing assembly includes a rolling bearing including a rotatable raceway member and a stationary raceway member. This bearing assembly also includes a to-be-detected member carried by the raceway member and having a magnetic characteristic which cyclically varies in a direction circumferentially of the to-be-detected element and has a cycle matching with one complete rotation of the raceway member, a magnetic sensor unit carried by the raceway member in face-to-face relation with the to-be-detected member, and a magnetic detecting circuit to supply an electric power to the unit and to process an output signal from the unit to provide an output to an external circuit. The magnetic characteristic of the to-be-detected member represents a substantially sinusoidal waveform rising and falling more steeply than a sinusoidal waveform at a zero-crossing point.Type: GrantFiled: April 13, 2009Date of Patent: August 10, 2010Assignee: NTN CorporationInventors: Takashi Koike, Tomomi Ishikawa
-
Patent number: 7762128Abstract: In a wheel support bearing assembly including a plurality of rolling elements (5) interposed between an outer member (1) and an inner member (2), a sensor unit (21) is fitted to one of the outer member and the inner member, which serves as a stationary member. The sensor unit includes a sensor mounting member (22) and a strain sensor (23) fitted to the sensor mounting member. The sensor mounting member has a plurality of contact fixing portions (22a, 22b) that are fixed to at least two locations spaced a distant from each other in a direction circumferentially of the outer member. A cutout (24) is provided in the outer member at respective positions corresponding to the neighboring contact fixing portions of the sensor mounting member, so as to extend in an axial direction. The strain sensor is arranged intermediate between the neighboring contact fixing portions.Type: GrantFiled: March 8, 2007Date of Patent: July 27, 2010Assignee: NTN CorporationInventors: Takayoshi Ozaki, Tomomi Ishikawa, Kentarou Nishikawa
-
Publication number: 20100162695Abstract: A hydraulic control device for an automatic transmission, including: a hydraulic pressure source; a plurality of friction engagement elements; a line pressure regulating valve that regulates hydraulic pressure from the hydraulic pressure source to a predetermined line pressure; a plurality of operation pressure regulating valves that regulate the line pressure as operation pressure for a hydraulic servo operating a friction engagement element; a maximum pressure conducting circuit that feeds a maximum pressure, among the operation pressures, to the line pressure regulating valve, wherein the friction engagement elements are engaged and released to achieve a plurality of forward speeds and a reverse speed, and the line pressure regulating valve regulates the line pressure during forward travel based on the maximum operation pressure, and regulates the line pressure during reverse travel based on the operation pressure input from a specific operation pressure regulating valve.Type: ApplicationFiled: December 2, 2009Publication date: July 1, 2010Applicant: AISIN AW CO., LTD.Inventors: Tomomi ISHIKAWA, Hiroyuki Kutsubo, Tetsuya Shimizu, Kenichi Tsuchida, Kazunori Ishikawa, Naoyuki Fukaya
-
Patent number: 7733083Abstract: A sensor-incorporated wheel support bearing assembly including double rows of rolling elements interposed between respective raceways of outer and inner members opposed to each other, a to-be-detected ring having an eccentric or multangular outer diametric shape provided in the inner member and displacement sensors provided on the outer member confronting the to-be-detected ring. In the bearing assembly, the displacement sensors have facing portion areas, variable and invariable, respectively, arranged with rotation of the to-be-detected ring.Type: GrantFiled: November 1, 2005Date of Patent: June 8, 2010Assignee: NTN CorporationInventors: Takayoshi Ozaki, Takashi Koike, Tomomi Ishikawa
-
Publication number: 20100135604Abstract: A sensor-equipped bearing for a wheel rotatably supporting the wheel relative to a vehicle body includes an outer member (1) provided with a double-row raceway surface (3) on an inner periphery thereof, an inner member (2) provided with raceway surfaces (4) opposing to the raceway surfaces (3) of the outer member (1), one of the outer and inner members serving as a stationary member, double-row rolling elements (5) interposed between the outer and inner raceway surfaces, a sensor fitting member (22) fixed to a peripheral surface of the stationary member, and a plurality of strain sensors (23) attached to the sensor fitting member (22) for measuring a strain thereof.Type: ApplicationFiled: August 1, 2006Publication date: June 3, 2010Inventors: Takayoshi Ozaki, Tomomi Ishikawa, Kentarou Nishikawa
-
Publication number: 20100053986Abstract: A vehicular lamp with an opening portion extending in a left-right direction provided on a side that wraps around toward a rear of a vehicle on an end side of an outer side wall of a mirror housing that supports a side mirror body includes a main lamp body including a lamp body and a front lens. The main lamp body is formed into a shape that generally follows the curved opening portion. The front lens is attached to the mirror housing so as to slightly project from or be on generally the same plane as the opening portion. The vehicular lamp includes a surface-emitting light guide inner lens provided along the front lens in a curved lamp chamber space and an LED used as a light source provided behind the light guide inner lens. The lamp chamber space is defined by the lamp body and the front lens. The lamp chamber space is elongated in the left-right direction.Type: ApplicationFiled: August 26, 2009Publication date: March 4, 2010Applicant: KOITO MANUFACTURING CO., LTD.Inventor: Tomomi Ishikawa
-
Publication number: 20100040315Abstract: A sensor assembly (3) is sandwiched together with a rubber material (11) mixed with a vulcanizing agent in a mold assembly (2) including an upper mold (9) and a lower mold (10). The upper and lower molds (9, 10), while completely sandwiching the sensor assembly (3), are heated for a predetermined length of time, and a pressure is then applied to the sensor assembly (3) to complete a compressive molding.Type: ApplicationFiled: September 21, 2007Publication date: February 18, 2010Applicant: NTN CORPORATIONInventors: Takayoshi Ozaki, Tomomi Ishikawa, Toru Takahashi