Patents by Inventor Hiroyuki Iwasaki

Hiroyuki Iwasaki 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: 11194135
    Abstract: The present technology relates to, for example, a lens attached substrate including a substrate which has a through-hole formed therein and a light shielding film formed on a side wall of the through-hole and a lens resin portion which is formed inside the through-hole of the substrate. The present technology can be applied to, for example, a lens attached substrate, a layered lens structure, a camera module, a manufacturing apparatus, a manufacturing method, an electronic device, a computer, a program, a storage medium, a system, and the like.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: December 7, 2021
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Yusuke Moriya, Masanori Iwasaki, Takashi Oinoue, Yoshiya Hagimoto, Hiroyasu Matsugai, Hiroyuki Itou, Suguru Saito, Keiji Ohshima, Nobutoshi Fujii, Hiroshi Tazawa, Toshiaki Shiraiwa, Minoru Ishida
  • Publication number: 20210325793
    Abstract: A method for producing an electrophotographic photosensitive member including: forming a photosensitive layer; and forming a protective layer, wherein the step of forming the photosensitive layer forms a photosensitive layer having an amount of residual solvent of a first solvent in the photosensitive layer of 0.05% to 2.50% and an amount of residual solvent of a second solvent in the photosensitive layer of 0.50% to 2.50%, and the step of forming the protective layer includes step (A) of forming a cured film and step (B) of forming the protective layer having wrinkle shapes, wherein, in step (A), the irradiated coating film is heated at a heating temperature lower than a boiling point of the first solvent and in step (B), the cured film is heated at a heating temperature higher than a boiling point of the first solvent.
    Type: Application
    Filed: April 13, 2021
    Publication date: October 21, 2021
    Inventors: Nobuhiro Nakamura, Tomohito Ishida, Shuhei Iwasaki, Hiroyuki Watanabe, Tatsuya Yamaai, Yuka lshiduka, Yota Ito, Takeshi Murakami
  • Publication number: 20210325814
    Abstract: Provided is an electrophotographic photosensitive drum that achieves both of a reduction in torque of the electrophotographic photosensitive drum at the time of its cleaning and an improvement in image transferability. The electrophotographic photosensitive drum includes: a support; and a photosensitive layer arranged on the support, the electrophotographic photosensitive drum having arranged on an outer surface thereof at least two structure groups having different appearance periods, wherein when, out of the two structure groups, a group including structures having a smaller appearance period is defined as a first structure group, and a group including structures having a larger appearance period is defined as a second structure group, a height of the first structure group is lower than a height of the second structure group.
    Type: Application
    Filed: April 13, 2021
    Publication date: October 21, 2021
    Inventors: Tomohito Ishida, Nobuhiro Nakamura, Shuhei Iwasaki, Hiroyuki Watanabe, Tatsuya Yamaai, Yuka lshiduka, Yota Ito, Takeshi Murakami
  • Publication number: 20210325794
    Abstract: There is provided an electrophotographic photosensitive member having drum shape, the electrophotographic photosensitive member including a support and a photosensitive layer, wherein an outer surface of the electrophotographic photosensitive member has wrinkles, and when an observation region having square form with one side of 100 ?m is placed at an arbitrary position on the outer surface, a line that passes through a central point of the observation region and is parallel to a circumferential direction of the electrophotographic photosensitive member is defined as a first reference line L1, and 3,599 reference lines obtained by rotating the first reference line L1 at every 0.1° around the central point are defined as L2 to L3,600, respectively, each of L1 to L3,600 intersects with convex portions of the wrinkles at a plurality of locations and has at least two different intersection angles selected from the plurality of locations.
    Type: Application
    Filed: April 14, 2021
    Publication date: October 21, 2021
    Inventors: Shuhei Iwasaki, Tomohito Ishida, Nobuhiro Nakamura, Hiroyuki Watanabe, Tatsuya Yamaai, Yuka Ishiduka, Yota Ito, Takeshi Murakami
  • Patent number: 11130433
    Abstract: Provided is a floor structure of a vehicle having a pedal device to be pressed down by a driver seated in a driver seat of the vehicle. The floor structure is arranged relative to the pedal device and includes: a heel stopper part located substantially below the pedal device; and a pedal stopper part located on a vehicle-forward side of the heel stopper part and serving to prevent the pedal device from being excessively pressed down by the driver. The heel stopper part and the pedal stopper part are formed integrally with each other.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: September 28, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Hiroyuki Iwasaki, Yoshiaki Okutomi
  • Patent number: 11014360
    Abstract: A liquid discharge apparatus includes a first nozzle row group including at least two nozzle rows to discharge a first color liquid, shifted in the sub-scanning direction; a second nozzle row group including at least two nozzle rows to discharge a second color liquid, arranged in the main scanning direction; a main scanning device; a sub-scanning device; and circuitry to cause the first nozzle row group to discharge the first color liquid to positions corresponding to a plurality of pixels to form a first area on the recording medium, in accordance with scanning in the main scanning direction and the sub-scanning direction in a first sequence; and cause the second nozzle row group to discharge the second color liquid to positions corresponding to a plurality of pixels to form a second area on the recording medium, in accordance with scanning in the main scanning direction and the sub-scanning direction in a second sequence.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: May 25, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Shogo Miura, Hiroki Takahashi, Hiroyuki Iwasaki
  • Publication number: 20200310484
    Abstract: An accelerator pedal device for use in a vehicle has: a housing fixed to a vehicle body; an accelerator arm that has a drum at one end and a pedal at the other end; a friction pad that has a pad shaft; and a spring that is interposed between the accelerator arm and the friction pad. The drum has an arm pivoting shaft that pivotally supports the accelerator arm and a recess that is recessed from a periphery of the drum toward the arm pivoting shaft, the friction pad has a friction part that is pressed against the recess by a spring force of the spring, the friction part has a side surface member having a side surface in an arched cross section to face the recess, and the side surface member has a contact part that is brought into point-contact with the recess of the drum.
    Type: Application
    Filed: March 17, 2020
    Publication date: October 1, 2020
    Inventors: Hiroyuki IWASAKI, Ayumu YAMAGUCHI
  • Publication number: 20200128188
    Abstract: An image-capturing device includes: a first image-capturing unit and a second image-capturing unit, each of the first image-capturing unit and the second image-capturing unit having a plurality of lenses and a plurality of light-receiving units, each lens having a plurality of light-receiving units, the first image-capturing unit and the second image-capturing unit each outputting signals upon receiving light from a subject having transmitted through an image-capturing optical system via the plurality of lenses in the light-receiving units; and a generation unit that generates images of the subject at a plurality of positions in an optical axis direction of the image-capturing optical system, based on a signal outputted from the first image-capturing unit and a signal outputted from the second image-capturing unit.
    Type: Application
    Filed: September 28, 2017
    Publication date: April 23, 2020
    Applicant: NIKON CORPORATION
    Inventors: Hiroyuki IWASAKI, Ikuya SAITO, Masao NAKAJIMA
  • Publication number: 20200094722
    Abstract: Provided is a floor structure of a vehicle having a pedal device to be pressed down by a driver seated in a driver seat of the vehicle. The floor structure is arranged relative to the pedal device and includes: a heel stopper part located substantially below the pedal device; and a pedal stopper part located on a vehicle-forward side of the heel stopper part and serving to prevent the pedal device from being excessively pressed down by the driver. The heel stopper part and the pedal stopper part are formed integrally with each other.
    Type: Application
    Filed: September 23, 2019
    Publication date: March 26, 2020
    Inventors: Hiroyuki IWASAKI, Yoshiaki OKUTOMI
  • Publication number: 20200039225
    Abstract: A liquid discharge apparatus includes a first nozzle row group including at least two nozzle rows to discharge a first color liquid, shifted in the sub-scanning direction; a second nozzle row group including at least two nozzle rows to discharge a second color liquid, arranged in the main scanning direction; a main scanning device; a sub-scanning device; and circuitry to cause the first nozzle row group to discharge the first color liquid to positions corresponding to a plurality of pixels to form a first area on the recording medium, in accordance with scanning in the main scanning direction and the sub-scanning direction in a first sequence; and cause the second nozzle row group to discharge the second color liquid to positions corresponding to a plurality of pixels to form a second area on the recording medium, in accordance with scanning in the main scanning direction and the sub-scanning direction in a second sequence.
    Type: Application
    Filed: July 26, 2019
    Publication date: February 6, 2020
    Applicant: Ricoh Company, Ltd.
    Inventors: SHOGO MIURA, HIROKI TAKAHASHI, HIROYUKI IWASAKI
  • Patent number: 9878756
    Abstract: A front structure of a motorcycle where a larger amount of air can be directed to the inside without increasing the size of the vehicle. A front structure of a motorcycle includes a front fork steerably mounted on a front portion of a vehicle body frame and supporting a front wheel thereon. A front fender is provided for protection from mud being splashed by the front wheel. A duct, through which air flows, is formed on a side surface of the front fender. An air intake opening, for taking in the flow of air, is formed on a front end of the duct with an air discharge opening directed inwardly in the vehicle width direction being formed on a rear end of the duct. The rear end of the duct opens to an inside of an inner surface of the front fork.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: January 30, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Nobutaka Wakita, Kenji Tako, Yasuhiro Sato, Masato Nagata, Hiroyuki Iwasaki, Tomohiro Sone, Kihoko Kaita
  • Patent number: 9787223
    Abstract: A motor control apparatus controls a start/stop operation of a motor and includes a counting unit that performs a count-up or count-down operation from a predetermined initial value with a lapse of time in response to receiving an operation start instruction for the motor; a signal output unit that outputs a first state signal in response to receiving the operation start instruction, and outputs a second state signal only when a result of the counting by the counting unit falls outside a predetermined range; and a drive unit that outputs an ON signal to the motor in response to receiving the first state signal from the signal output unit, and outputs an OFF signal to the motor in response to receiving the second state signal from the signal output unit.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: October 10, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yoshihiro Takahashi, Hiroyuki Iwasaki
  • Patent number: 9672088
    Abstract: A hardware device controller includes a controlling unit, a relay unit, and a watchdog timer. The controlling unit outputs a control signal to control a hardware device. The relay unit outputs, on the basis of the control signal, a control signal to the hardware device. When not receiving a first signal output from the controlling unit via the relay unit for a predetermined length of time or longer, the watchdog timer outputs a second signal. When the second signal is output, the controlling unit and the relay unit perform initialization process, and the hardware device stops driving.
    Type: Grant
    Filed: August 18, 2015
    Date of Patent: June 6, 2017
    Assignee: RICOH COMPANY, LIMITED
    Inventors: Ryohya Hasebe, Hiroyuki Iwasaki
  • Publication number: 20160264199
    Abstract: A front structure of a motorcycle where a larger amount of air can be directed to the inside without increasing the size of the vehicle. In a front structure of a motorcycle includes a front fork steerably mounted on a front portion of a vehicle body frame and supporting a front wheel thereon. A front fender is provided for avoiding mud from being splashed by the front wheel. A duct, through which a flow of air flows, is formed on a side surface of the front fender. An air intake opening, for taking in the flow of air, is formed on a front end of the duct with an air discharge opening directed inwardly in the vehicle width direction being formed on a rear end of the duct. The rear end of the duct opens to an inside of an inner surface of the front fork.
    Type: Application
    Filed: March 8, 2016
    Publication date: September 15, 2016
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Nobutaka WAKITA, Kenji TAKO, Yasuhiro SATO, Masato NAGATA, Hiroyuki IWASAKI, Tomohiro SONE, Kihoko KAITA
  • Patent number: 9436121
    Abstract: There is provided a driving apparatus comprising: a driving unit configured to rotate a driving shaft; a speed setting unit for setting a rotational speed of the driving shaft; a driving shaft joint connected with the driving shaft to rotate with the driving shaft for transmitting driving-force to a driven apparatus, the driving shaft joint being fitted into a driven shaft joint connected with the driven apparatus that is made detachable; a rotational position detection unit configured to detect a predetermined rotational position of the driving shaft joint; and a driving control unit configured to control the driving unit; wherein upon the driven apparatus being detached, the driving control unit controls the driving unit to stop the rotating driving shaft based on a detection result of the rotational position detection unit after the speed setting unit sets the rotational speed of the driving shaft to be a first rotational speed.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: September 6, 2016
    Assignee: Ricoh Company, Ltd.
    Inventors: Kohhei Yamaguchi, Hiroyuki Iwasaki, Yusuke Ishizaki
  • Publication number: 20160124342
    Abstract: There is provided a driving apparatus comprising: a driving unit configured to rotate a driving shaft; a speed setting unit for setting a rotational speed of the driving shaft; a driving shaft joint connected with the driving shaft to rotate with the driving shaft for transmitting driving-force to a driven apparatus, the driving shaft joint being fitted into a driven shaft joint connected with the driven apparatus that is made detachable; a rotational position detection unit configured to detect a predetermined rotational position of the driving shaft joint; and a driving control unit configured to control the driving unit; wherein upon the driven apparatus being detached, the driving control unit controls the driving unit to stop the rotating driving shaft based on a detection result of the rotational position detection unit after the speed setting unit sets the rotational speed of the driving shaft to be a first rotational speed.
    Type: Application
    Filed: October 21, 2015
    Publication date: May 5, 2016
    Applicant: RICOH COMPANY, LTD.
    Inventors: Kohhei YAMAGUCHI, Hiroyuki IWASAKI, Yusuke ISHIZAKI
  • Publication number: 20160055050
    Abstract: A hardware device controller includes a controlling unit, a relay unit, and a watchdog timer. The controlling unit outputs a control signal to control a hardware device. The relay unit outputs, on the basis of the control signal, a control signal to the hardware device. When not receiving a first signal output from the controlling unit via the relay unit for a predetermined length of time or longer, the watchdog timer outputs a second signal. When the second signal is output, the controlling unit and the relay unit perform initialization process, and the hardware device stops driving.
    Type: Application
    Filed: August 18, 2015
    Publication date: February 25, 2016
    Applicant: RICOH COMPANY, LIMITED
    Inventors: Ryohya HASEBE, Hiroyuki IWASAKI
  • Publication number: 20160026107
    Abstract: A motor control apparatus controls a start/stop operation of a motor and includes a counting unit that performs a count-up or count-down operation from a predetermined initial value with a lapse of time in response to receiving an operation start instruction for the motor; a signal output unit that outputs a first state signal in response to receiving the operation start instruction, and outputs a second state signal only when a result of the counting by the counting unit falls outside a predetermined range; and a drive unit that outputs an ON signal to the motor in response to receiving the first state signal from the signal output unit, and outputs an OFF signal to the motor in response to receiving the second state signal from the signal output unit.
    Type: Application
    Filed: July 8, 2015
    Publication date: January 28, 2016
    Applicant: RICOH COMPANY, LTD.
    Inventors: Yoshihiro TAKAHASHI, Hiroyuki IWASAKI
  • Patent number: 8886072
    Abstract: A PWM generating unit may include a base duty setting register configured to store a base duty value that is set thereto, and a PWM generator to obtain a corrected duty value by correcting the base duty value based on first correction data and second correction data, and to generate a PWM signal according to the corrected duty value. The first correction data may be computed from a rotation period of a first rotational body, and the second correction data may be computed from a rotation period of a second rotational body.
    Type: Grant
    Filed: January 7, 2013
    Date of Patent: November 11, 2014
    Assignee: Ricoh Company, Ltd.
    Inventor: Hiroyuki Iwasaki
  • Patent number: 8542941
    Abstract: An imaging device includes: an image pickup device that captures an image via an imaging optics; a focus detector that detects a focus adjustment state of the imaging optics; a face detection circuit that detects an image corresponding to a face of a person from the image captured by the image pickup device; and a controller that causes the face detection circuit to execute detection of the image corresponding to the face, according to a focus detection result of the focus detector.
    Type: Grant
    Filed: July 23, 2008
    Date of Patent: September 24, 2013
    Assignee: Nikon Corporation
    Inventors: Kazuma Hosoi, Hiroyuki Iwasaki