Patents by Inventor Keiji Takahashi
Keiji Takahashi 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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Publication number: 20240310746Abstract: Toner may comprise toner particles that comprise a binder resin; the toner particles have a volume average particle diameter from 4.0 ?m to 6.0 ?m, and the toner has a number content of coarse particle of 20 ?m or more from 10 to 250 in 10 mg of the toner.Type: ApplicationFiled: March 15, 2024Publication date: September 19, 2024Inventors: Daisuke INOUE, Keiji MAKABE, Tsukiko TAKAHASHI, Taishi YAMASHITA, Shuto SUNAGA
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Publication number: 20240295265Abstract: A work vehicle includes a hydrostatic continuously variable transmission to output power, an electric motor to perform shifting, a linkage mechanism to link a shifting shaft of the electric motor with a trunnion shaft of the hydrostatic continuously variable transmission the linkage mechanism, including a first linkage section linked with the shifting shaft, and a second linkage section linked with the trunnion shaft, and a biasing mechanism to press and bias a second gear of the second linkage section that meshes with a first gear of the first linkage section against the first gear such that a tooth flank of the second gear abuts with a tooth flank of the first gear in a rotation direction reverse to a rotation direction of the first gear.Type: ApplicationFiled: May 15, 2024Publication date: September 5, 2024Inventors: Hiroaki NAGAI, Daisuke NAKAYAMA, Hironobu NOGAMI, Ryo MASUDA, Keiji TAKAHASHI, Tatsuya SAKAI
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Patent number: 12081875Abstract: In an image processing apparatus, a first correction unit corrects imaging data acquired from an infrared imaging device, based on a first correction table, and outputs first corrected data. A second correction unit generates a second correction table for the imaging data in a state in which a shutter is closed, and outputs second corrected data based on the second correction table. A saturated region detection unit detects a saturated region in the imaging data. A shutter control unit performs closing control for the shutter, based on a result of detection of the saturated region. An abnormal pixel detection unit detects whether or not the imaging data acquired in the state in which the shutter is closed includes an abnormal pixel. A selection unit selects and outputs either the first corrected data or the second corrected data in accordance with a result of detection by the abnormal pixel detection unit.Type: GrantFiled: September 8, 2022Date of Patent: September 3, 2024Assignee: JVCKENWOOD CORPORATIONInventors: Keita Hayashi, Hirofumi Yamamoto, Tadashi Ishiwata, Yasufumi Nakaaki, Keiji Tsuchiya, Jun Takahashi
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Patent number: 12055089Abstract: A work vehicle includes a diesel engine, a heater to heat a gas to be supplied to a combustion chamber of the diesel engine, and a controller to execute an afterglow routine to cause the heater to operate. The controller is configured or programmed to execute the afterglow routine in response to the diesel engine being started, an elapse of a predetermined stop time since an end of a previous execution of the afterglow routine, and the work vehicle being in a warming-up state.Type: GrantFiled: May 25, 2023Date of Patent: August 6, 2024Assignee: KUBOTA CORPORATIONInventors: Shota Nakano, Keiji Takahashi, Tsuyoshi Gono, Keita Ono, Norita Tottori, Naoya Okamoto, Ryosuke Tanaka
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TONER, DEVELOPING AGENT, TONER ACCOMMODATING UNIT, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
Publication number: 20240241458Abstract: A toner contains a mother toner particle containing a resin, a colorant, and a wax and an inorganic external additive on the surface of the mother toner particle, wherein the following relationships are satisfied: 20 < A ? 4 ? 0 Relationship ? 1 0 ? B - A ? 10 , Relationship ? 2 2.3 < C < 5. Relationship ? 3 where A (percent by mass) represents the liberation ratio of the inorganic external additive separated by shaking the toner with ultrasonic wave at a power of 20 W and a frequency of 20 kHz for one minute, B (percent by mass) represents the liberation ratio of the inorganic external additive separated by shaking the toner with ultrasonic wave at a power of 60 W and a frequency of 20 kHz for one minute, and C (percent by mass) represents the proportion of the inorganic external additive to the toner.Type: ApplicationFiled: January 17, 2024Publication date: July 18, 2024Inventors: Tsukiko TAKAHASHI, Daisuke INOUE, Keiji MAKABE, Taishi YAMASHITA, Shuto SUNAGA -
Publication number: 20240169773Abstract: A work vehicle includes a battery, an operating apparatus to be supplied with power from the battery, an operating apparatus manager to manage operation of the operating apparatus, a reporting device in a driver's section, a voltage drop amount detector to detect an amount of voltage drop in the battery, and a voltage drop manager to report voltage drop information via the reporting device in response to the amount of voltage drop exceeding a permissible value during operation of the operating apparatus.Type: ApplicationFiled: November 1, 2021Publication date: May 23, 2024Inventors: Hiroshi MIYAKE, Akiya SHIBUTANI, Norita TOTTORI, Tsuyoshi GONO, Keiji TAKAHASHI
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Patent number: 11965495Abstract: A working vehicle includes: a vehicle body provided with a traveling device; a hydraulic pump including a swashplate configured to change an output of the hydraulic pump according to a swashplate angle; a traveling motor including an output shaft having a rotation speed variable according to the output of the hydraulic pump and capable of transmitting power of the output shaft to the traveling device; an angle detector configured to detect the swashplate angle that is an angle of the swashplate; and a swashplate control unit configured to control the swashplate angle on the basis of control information relating to control of the swashplate angle and an actual swashplate angle that is the swashplate angle detected by the angle detector.Type: GrantFiled: March 15, 2022Date of Patent: April 23, 2024Assignee: KUBOTA CORPORATIONInventors: Tsuyoshi Gono, Naoya Nihei, Yuji Hirase, Susumu Takeoka, Keiji Takahashi
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Patent number: 11951827Abstract: The work vehicle includes a vehicle body provided with a travel device; a prime mover provided in the vehicle body; a transmission device capable of speed-changing a driving force from the prime mover and transmitting the driving force to the travel device; a transmission case housing the transmission device and being filled with lubricating oil; and a controller capable of switching between a warm-up operation mode in which a gear of the transmission device is rotated in a state in which transmission of power from the transmission device to the travel device is blocked and a travel operation mode in which the gear is rotated in a state in which the power is transmitted from the transmission device to the travel device.Type: GrantFiled: May 27, 2022Date of Patent: April 9, 2024Assignee: KUBOTA CORPORATIONInventors: Tsuyoshi Gono, Naoya Nihei, Keiji Takahashi, Susumu Takeoka, Shusaku Yamaguchi, Yoichi Sugihara
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Publication number: 20230392540Abstract: A work vehicle includes a diesel engine, a heater to heat a gas to be supplied to a combustion chamber of the diesel engine, and a controller to execute an afterglow routine to cause the heater to operate. The controller is configured or programmed to execute the afterglow routine in response to the diesel engine being started, an elapse of a predetermined stop time since an end of a previous execution of the afterglow routine, and the work vehicle being in a warming-up state.Type: ApplicationFiled: May 25, 2023Publication date: December 7, 2023Inventors: Shota NAKANO, Keiji TAKAHASHI, Tsuyoshi GONO, Keita ONO, Norita TOTTORI, Naoya OKAMOTO, Ryosuke TANAKA
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Patent number: 11801840Abstract: A work vehicle includes an engine, a transmission to change a received rotational force to a rotational force at a gear ratio that corresponds to a desired vehicle speed and output the changed rotational force, a first operating tool to change the rotation speed of the engine and a deceleration rate of the transmission, a rotation speed controller to control the rotation speed of the engine based on an input provided to the first operating tool, and a second operating tool to receive a holding instruction to hold the rotation speed of the engine constant. In response to the holding instruction being inputted to the second operating tool, the rotation speed controller is configured or programmed to disable control of the rotation speed of the engine which control is based on the input provided to the first operating tool, and hold the rotation speed of the engine constant in accordance with the holding instruction.Type: GrantFiled: December 7, 2021Date of Patent: October 31, 2023Assignee: KUBOTA CORPORATIONInventors: Keiji Takahashi, Tatsuya Sakai, Naoya Okamoto, Ryuji Kitagawa, Tsuyoshi Gono
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Patent number: 11745584Abstract: A PTO shaft driving device in a working machine, includes a parking switch to detect parking of a vehicle body, a first switch located on a manipulator located on the vehicle body to output a PTO shaft control command that is either a driving command to drive a PTO shaft located on the vehicle body or a stopping command to stop the PTO shaft, a second switch located at a position different from the manipulator to output a PTO shaft control command that is either a driving command to drive the PTO shaft or a stopping command to stop the PTO shaft, a first permission switch to selectively permit or prohibit a stationary work when the parking switch detects the parking, and a controller configured or programmed to control driving of the PTO shaft. The controller is configured or programmed to selectively drive or stop the PTO shaft according to the PTO shaft control command from the first switch or the second switch when the stationary work is permitted by the first permission switch.Type: GrantFiled: June 25, 2021Date of Patent: September 5, 2023Assignee: KUBOTA CORPORATIONInventors: Keiji Takahashi, Tatsuya Sakai, Tsuyoshi Gono, Norita Tottori
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Publication number: 20220281315Abstract: The work vehicle includes a vehicle body provided with a travel device; a prime mover provided in the vehicle body; a transmission device capable of speed-changing a driving force from the prime mover and transmitting the driving force to the travel device; a transmission case housing the transmission device and being filled with lubricating oil; and a controller capable of switching between a warm-up operation mode in which a gear of the transmission device is rotated in a state in which transmission of power from the transmission device to the travel device is blocked and a travel operation mode in which the gear is rotated in a state in which the power is transmitted from the transmission device to the travel device.Type: ApplicationFiled: May 27, 2022Publication date: September 8, 2022Applicant: KUBOTA CORPORATIONInventors: Tsuyoshi GONO, Naoya NIHEI, Keiji TAKAHASHI, Susumu TAKEOKA, Shusaku YAMAGUCHI, Yoichi SUGIHARA
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Publication number: 20220192073Abstract: A working vehicle includes: a vehicle body; a lifting device provided on the vehicle body; a first setting member to set a reference position in a height direction of the working device coupled to the lifting device; a lifting operation member to be operated to raise and lower the lifting device; a first lifting control unit to perform reference lifting control to raise or lower the lifting device so that the working device is located at the reference position; and a second lifting control unit to stop the reference lifting control when the lifting operation member is operated during work by the working device and to raise or lower the lifting device in response to the operation of the lifting operation member. The first lifting control unit performs control to return the lifting device to a position corresponding to the reference position when the operation of the lifting operation member is released after the reference lifting control is stopped.Type: ApplicationFiled: March 15, 2022Publication date: June 23, 2022Applicant: KUBOTA CORPORATIONInventors: Tsuyoshi GONO, Susumu TAKEOKA, Toshiya TSUJI, Kazutaka FUJIMOTO, Keiji TAKAHASHI, Shinya YAMADA
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Publication number: 20220196147Abstract: A working vehicle includes: a vehicle body provided with a traveling device; a hydraulic pump including a swashplate configured to change an output of the hydraulic pump according to a swashplate angle; a traveling motor including an output shaft having a rotation speed variable according to the output of the hydraulic pump and capable of transmitting power of the output shaft to the traveling device; an angle detector configured to detect the swashplate angle that is an angle of the swashplate; and a swashplate control unit configured to control the swashplate angle on the basis of control information relating to control of the swashplate angle and an actual swashplate angle that is the swashplate angle detected by the angle detector.Type: ApplicationFiled: March 15, 2022Publication date: June 23, 2022Applicant: KUBOTA CORPORATIONInventors: Tsuyoshi GONO, Naoya NIHEI, Yuji HIRASE, Susumu TAKEOKA, Keiji TAKAHASHI
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Publication number: 20220185282Abstract: A work vehicle includes an engine, a transmission to change a received rotational force to a rotational force at a gear ratio that corresponds to a desired vehicle speed and output the changed rotational force, a first operating tool to change the rotation speed of the engine and a deceleration rate of the transmission, a rotation speed controller to control the rotation speed of the engine based on an input provided to the first operating tool, and a second operating tool to receive a holding instruction to hold the rotation speed of the engine constant. In response to the holding instruction being inputted to the second operating tool, the rotation speed controller is configured or programmed to disable control of the rotation speed of the engine which control is based on the input provided to the first operating tool, and hold the rotation speed of the engine constant in accordance with the holding instruction.Type: ApplicationFiled: December 7, 2021Publication date: June 16, 2022Inventors: Keiji TAKAHASHI, Tatsuya SAKAI, Naoya OKAMOTO, Ryuji KITAGAWA, Tsuyoshi GONO
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Publication number: 20210402874Abstract: A PTO shaft driving device in a working machine, includes a parking switch to detect parking of a vehicle body, a first switch located on a manipulator located on the vehicle body to output a PTO shaft control command that is either a driving command to drive a PTO shaft located on the vehicle body or a stopping command to stop the PTO shaft, a second switch located at a position different from the manipulator to output a PTO shaft control command that is either a driving command to drive the PTO shaft or a stopping command to stop the PTO shaft, a first permission switch to selectively permit or prohibit a stationary work when the parking switch detects the parking, and a controller configured or programmed to control driving of the PTO shaft. The controller is configured or programmed to selectively drive or stop the PTO shaft according to the PTO shaft control command from the first switch or the second switch when the stationary work is permitted by the first permission switch.Type: ApplicationFiled: June 25, 2021Publication date: December 30, 2021Inventors: Keiji TAKAHASHI, Tatsuya SAKAI, Tsuyoshi GONO, Norita TOTTORI
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Patent number: 10385052Abstract: Novel tricyclic compounds which have JAK inhibitory activities are useful for prevention, treatment or improvement of autoimmune diseases, inflammatory diseases and allergic diseases are provided. Novel tricyclic compound represented by the formula (I), the formula (II) or the formula (III) (wherein: each of A1, A2 and A3 is a cyclohexane-1,4-diyl group or the like; each of L1, L2 and L3 is a methylene group or the like; each of X1 and X3 is O or NH; each of R1 and R3 is a cyano C1-6 haloalkyl group or the like; and R2 is an aromatic heterocyclic group), a tautomer or pharmaceutically acceptable salt of the compound or a solvate thereof.Type: GrantFiled: December 13, 2017Date of Patent: August 20, 2019Assignee: Nissan Chemical CorporationInventors: Tsuneo Watanabe, Keiji Takahashi, Keishi Hayashi, Takanori Nakamura, Masataka Minami, Kazunori Kurihara, Akio Yamamoto, Takuya Nishimura, Miyuki Uni, Toshihiko Kamiyama, Shunsuke Iwamoto
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Patent number: 10013159Abstract: A driving support information display device includes a status display area controller, a menu display area controller, and a status information controller. The status display area controller manages a status display area having a plurality of status display sections arranged vertically in one side area of a display screen. The menu display area controller manages an upper menu display area having a plurality of selection button sections arranged side by side in an upper area of the display screen and a lower menu display area having a plurality of selection button sections arranged side by side in a lower area of the display screen. The status information controller displays status information in the status display section by providing to the status display area controller status information relating to a functional module assigned to the selection button section that has been touch input.Type: GrantFiled: September 28, 2015Date of Patent: July 3, 2018Assignee: KUBOTA CORPORATIONInventors: Keiji Takahashi, Susumu Umemoto, Eiji Nishi, Yoshihiro Kushita
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Patent number: 9943023Abstract: A lift control apparatus includes a height sensor that outputs a height detection signal after a height of a ground work apparatus is detected. The ground work apparatus is coupled to a traveling work vehicle via a lift mechanism. An upper limit manager sets an upper limit position of the ground work apparatus based on an operation input signal from an input operation device for an upper limit setting USD. A setting prohibitor prohibits, when the upper limit position being set by the operation input signal is lower than the height of the ground work apparatus based on the height detection signal, the setting of the upper limit position from the operation input signal, and setting the upper limit position to the height of the ground work apparatus based on the height detection signal.Type: GrantFiled: July 22, 2015Date of Patent: April 17, 2018Assignee: KUBOTA CORPORATIONInventors: Shigeru Komatsu, Keiji Takahashi
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Publication number: 20180099966Abstract: Novel tricyclic compounds which have JAK inhibitory activities are useful for prevention, treatment or improvement of autoimmune diseases, inflammatory diseases and allergic diseases are provided. Novel tricyclic compound represented by the formula (I), the formula (II) or the formula (III) (wherein: each of A1, A2 and A3 is a cyclohexane-1,4-diyl group or the like; each of L1, L2 and L3 is a methylene group or the like; each of X1 and X3 is 0 or NH; each of R1 and R3 is a cyano C1-6 haloalkyl group or the like; and R2 is an aromatic heterocyclic group), a tautomer or pharmaceutically acceptable salt of the compound or a solvate thereof.Type: ApplicationFiled: December 13, 2017Publication date: April 12, 2018Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Tsuneo Watanabe, Keiji Takahashi, Keishi Hayashi, Takanori Nakamura, Masataka Minami, Kazunori Kurihara, Akio Yamamoto, Takuya Nishimura, Miyuki Uni, Toshihiko Kamiyama, Shunsuke Iwamoto