Patents by Inventor Hiroyuki Suhara

Hiroyuki Suhara 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).

  • Publication number: 20230356460
    Abstract: Provided is a flying body generating method including a flying target material flying step of irradiating a base material from a surface thereof opposite to a surface including a flying target material in at least a part of the surface, with a laser beam in a manner that a uniformly heated region having an approximately uniform temperature distribution higher than or equal to a melting point of the flying target material is generated at an interface between the base material and the flying target material, to fly the flying target material in an irradiating direction of the laser beam.
    Type: Application
    Filed: October 25, 2021
    Publication date: November 9, 2023
    Inventors: Hiroyuki SUHARA, Jun AOTO
  • Patent number: 11740453
    Abstract: An apparatus configured to fly a light-absorbing material, includes a unit configured to irradiate a light-absorbing material absorbing light with a laser beam corresponding to a light absorption wavelength of the light-absorbing material to fly the light-absorbing material. When a preceding beam radiation region and a following beam radiation region overlap, the following beam radiation region is irradiated with the laser beam such that a beam centroid position is outside the preceding beam radiation region.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: August 29, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hiroyuki Suhara, Takashi Fujita, Atsushi Takeuchi, Kohji Sakai, Asato Tamura, Shohta Kobashigawa
  • Patent number: 11532472
    Abstract: Provided is mass spectrometry including applying a laser beam to a matrix dot disposed on a surface of a measurement sample. One of: a laser spot appearing in the measurement sample when the laser beam is applied to the matrix dot; and the matrix dot, is completely enclosed in the other.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: December 20, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kazumi Suzuki, Katsuyuki Uematsu, Hiroyuki Suhara
  • Patent number: 11404261
    Abstract: A method for preparing a measurement sample for MALDI mass spectrometry, the method including applying a laser beam to a base including a matrix used for preparing the measurement sample for MALDI mass spectrometry, the matrix being disposed on a surface of the base, in a manner that the laser beam is applied to a surface of the base opposite to the surface including the matrix, to make the matrix fly from the base to be disposed at a predetermined position of an analyte of MALDI mass spectrometry, wherein the base includes a laser energy absorbable material, and wherein laser energy of the laser beam has a wavelength of 400 nm or longer.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: August 2, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kazumi Suzuki, Katsuyuki Uematsu, Hiroyuki Suhara
  • Publication number: 20220037141
    Abstract: Provided is mass spectrometry including applying a laser beam to a matrix dot disposed on a surface of a measurement sample. One of: a laser spot appearing in the measurement sample when the laser beam is applied to the matrix dot; and the matrix dot, is completely enclosed in the other.
    Type: Application
    Filed: July 9, 2021
    Publication date: February 3, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Kazumi SUZUKI, Katsuyuki UEMATSU, Hiroyuki SUHARA
  • Publication number: 20210370702
    Abstract: Provided is light irradiation method for irradiating a light absorbing material with light beam having wavelength absorbable by light absorbing material, including applying to light absorbing material, energy that enables light absorbing material to fly, by pressure in a vaporized region higher than or equal to outside pressure, wherein vaporized region is present at interface between a transparent body and light absorbing material in a manner to surround an optical axis. Also provided is flying body generating method including irradiating a surface of a base material opposite to a surface over which light absorbing material is disposed with laser beam to fly light absorbing material in an emitting direction of laser beam, wherein vaporized region having pressure higher than or equal to outside pressure is generated along outer circumference of a region irradiated with laser beam at interface between base material and light absorbing material.
    Type: Application
    Filed: May 25, 2021
    Publication date: December 2, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Hiroyuki SUHARA, Jun AOTO
  • Publication number: 20210339469
    Abstract: An apparatus configured to model a three-dimensional modeled object, includes a carrier, an energy applying unit, and a flying unit. The carrier is configured to carry a modeling material. The energy applying unit is configured to apply energy to a surface of a modeled object. The flying unit is configured to fly the modeling material carried on the carrier toward the surface of the modeled object, the energy being applied to the surface.
    Type: Application
    Filed: July 16, 2021
    Publication date: November 4, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Takashi FUJITA, Hiroyuki SUHARA, Kohji SAKAI, Shohta KOBASHIGAWA, Atsushi TAKEUCHI, Asato TAMURA, Ichiro MAEDA, Takuei NISHIO
  • Publication number: 20210296109
    Abstract: A method for preparing a measurement sample for MALDI mass spectrometry, the method including applying a laser beam to a base including a matrix used for preparing the measurement sample for MALDI mass spectrometry, the matrix being disposed on a surface of the base, in a manner that the laser beam is applied to a surface of the base opposite to the surface including the matrix, to make the matrix fly from the base to be disposed at a predetermined position of an analyte of MALDI mass spectrometry, wherein the base includes a laser energy absorbable material, and wherein laser energy of the laser beam has a wavelength of 400 nm or longer.
    Type: Application
    Filed: March 16, 2021
    Publication date: September 23, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Kazumi SUZUKI, Katsuyuki UEMATSU, Hiroyuki SUHARA
  • Publication number: 20210094232
    Abstract: An apparatus includes a light emitter configured to emit multiple light beams including at least a first light beam and a second light beam, and an optical scanner configured to scan the multiple light beams. The light emitter is configured to cause an irradiation target to fly by using the first light beam among the multiple light beams.
    Type: Application
    Filed: September 28, 2020
    Publication date: April 1, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Hiroyuki SUHARA, Takashi FUJITA, Asato TAMURA
  • Patent number: 10942357
    Abstract: A light illumination device, a light processing apparatus using the light illumination device, a light illumination method, and a light processing method. The light illumination device, the light illumination method, and the light processing method include converting a phase distribution of a transmitted wavefront of light emitted from a light source, changing a ratio between a first diameter of a cross section perpendicular to an optical axis of the light whose phase distribution of the transmitted wavefront is converted in the converting along a first axis and a second diameter along a second axis perpendicular to the first axis and the optical axis of the light, and condensing the light whose ratio between the first diameter and the second diameter is changed in the changing.
    Type: Grant
    Filed: February 6, 2019
    Date of Patent: March 9, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventor: Hiroyuki Suhara
  • Publication number: 20200379251
    Abstract: An apparatus configured to fly a light-absorbing material, includes a unit configured to irradiate a light-absorbing material absorbing light with a laser beam corresponding to a light absorption wavelength of the light-absorbing material to fly the light-absorbing material. When a preceding beam radiation region and a following beam radiation region overlap, the following beam radiation region is irradiated with the laser beam such that a beam centroid position is outside the preceding beam radiation region.
    Type: Application
    Filed: May 29, 2020
    Publication date: December 3, 2020
    Applicant: Ricoh Company, Ltd.
    Inventors: Hiroyuki SUHARA, Takashi FUJITA, Atsushi TAKEUCHI, Kohji SAKAI, Asato TAMURA, Shohta KOBASHIGAWA
  • Patent number: 10814423
    Abstract: An optical processing apparatus includes a light source, a condensing optical system, and a shaping optical system. The light source emits light. The condensing optical system condenses the light emitted from the light source onto a processing target position on a surface of an object to be processed. The shaping optical system shapes a spot shape of the condensed light, such that a ratio of a major axis diameter of the spot shape to a minor axis diameter of the spot shape, in a cross section orthogonal to an optical axis of the condensed light on the object to be processed, is a minimum at or adjacent to a focal position of the shaping optical system. A method for optically processing an object is also provided.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: October 27, 2020
    Assignee: RICOH COMPANY, LIMITED
    Inventor: Hiroyuki Suhara
  • Publication number: 20200298440
    Abstract: Provided is a method for forming a flying body using optical vortex laser, the method including irradiating an opposite surface of a base to a surface of the base, on which a light-absorbing material is disposed, with an optical vortex laser beam to generate a liquid column or liquid droplet having a diameter smaller than an irradiation diameter of the optical vortex laser beam from the light-absorbing material in an irradiation direction of the optical vortex laser beam.
    Type: Application
    Filed: March 16, 2020
    Publication date: September 24, 2020
    Inventors: Jun Aoto, Muneaki Iwata, Kazumi Suzuki, Hiroyuki Suhara, Akihiro Kaneko, Takashige Omatsu, Ryosuke Nakamura
  • Publication number: 20190258067
    Abstract: A light illumination device, a light processing apparatus using the light illumination device, a light illumination method, and a light processing method. The light illumination device, the light illumination method, and the light processing method include converting a phase distribution of a transmitted wavefront of light emitted from a light source, changing a ratio between a first diameter of a cross section perpendicular to an optical axis of the light whose phase distribution of the transmitted wavefront is converted in the converting along a first axis and a second diameter along a second axis perpendicular to the first axis and the optical axis of the light, and condensing the light whose ratio between the first diameter and the second diameter is changed in the changing.
    Type: Application
    Filed: February 6, 2019
    Publication date: August 22, 2019
    Applicant: Ricoh Company, Ltd.
    Inventor: Hiroyuki SUHARA
  • Publication number: 20180257173
    Abstract: An optical processing apparatus includes a light source, a condensing optical system, and a shaping optical system. The light source emits light. The condensing optical system condenses the light emitted from the light source onto a processing target position on a surface of an object to be processed. The shaping optical system shapes a spot shape of the condensed light, such that a ratio of a major axis diameter of the spot shape to a minor axis diameter of the spot shape, in a cross section orthogonal to an optical axis of the condensed light on the object to be processed, is a minimum at or adjacent to a focal position of the shaping optical system. A method for optically processing an object is also provided.
    Type: Application
    Filed: January 12, 2018
    Publication date: September 13, 2018
    Inventor: Hiroyuki SUHARA
  • Patent number: 9933722
    Abstract: An image forming method is for forming an image using an electrostatic latent image that is formed by exposing a surface of an image bearer in accordance with an image pattern that includes a plurality of image areas in combination. Each of the plurality of image areas includes a plurality of pixels. A part of pixels to be exposed in each of the plurality of image areas is set as a non-exposure pixel group in accordance with a position of any one of the plurality of image areas in the image pattern. Pixels that are different from the non-exposure pixel group in each of the plurality of image areas are set as a high-output exposure pixel group that is exposed with an optical output value that is higher than a predetermined optical output value that is needed to expose the image area.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: April 3, 2018
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiroto Tachibana, Hiroyuki Suhara, Yuichi Ueno
  • Patent number: 9817330
    Abstract: An image forming apparatus forms an image by exposing an image bearer on the basis of image data including at least one predetermined pattern. The image forming apparatus includes a processing device that sets an exposure amount of a plurality of exposure pixels. The predetermined pattern is constituted by the plurality of exposure pixels, and a peripheral region of the predetermined pattern in the image data is constituted by a plurality of non-exposure pixels. The processing device sets an exposure amount of an exposure pixel in a specific region that is adjacent to a boundary between the predetermined pattern and the peripheral region and is constituted by at least one exposure pixel in the predetermined pattern, and an exposure amount of an exposure pixel in a region other than the specific region in the predetermined pattern to values different from each other.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: November 14, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hiroto Tachibana, Hiroyuki Suhara, Masato Iio
  • Patent number: 9778592
    Abstract: An image forming method exposes a surface of an image bearer with light according to an image pattern including an image portion to form an electrostatic latent image, and includes: setting, among pixels constituting the image portion, at least a group of pixels existing at a boundary with respect to a non-image portion as a non-exposure pixel group, and at least a group of pixels existing at a boundary with respect to the non-exposure pixel group as a high power exposure pixel group; specifying, among the pixels constituting the image portion, a predetermined pixel as a target pixel, and a group of pixels existing at a boundary with respect to the non-image portion close to the target pixel as a boundary pixel group; and specifying a light power value of the target pixel based on image identification information acquired from the pixels constituting the image portion.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: October 3, 2017
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiroyuki Suhara, Masato Iio, Hiroto Tachibana, Yuichi Ueno
  • Publication number: 20160378016
    Abstract: An image forming method is for forming an image using an electrostatic latent image that is formed by exposing a surface of an image bearer in accordance with an image pattern that includes a plurality of image areas in combination. Each of the plurality of image areas includes a plurality of pixels. A part of pixels to be exposed in each of the plurality of image areas is set as a non-exposure pixel group in accordance with a position of any one of the plurality of image areas in the image pattern. Pixels that are different from the non-exposure pixel group in each of the plurality of image areas are set as a high-output exposure pixel group that is exposed with an optical output value that is higher than a predetermined optical output value that is needed to expose the image area.
    Type: Application
    Filed: June 27, 2016
    Publication date: December 29, 2016
    Inventors: Hiroto TACHIBANA, Hiroyuki SUHARA, Yuichi UENO
  • Patent number: 9517636
    Abstract: An image forming method forms an electrostatic latent image corresponding to an image pattern including an image portion and a non-image portion by exposing a surface of an image bearer with light according to the image pattern. The image portion includes a plurality of pixels. Among the pixels constituting the image portion, at least a group of pixels existing at a boundary with respect to the non-image portion is set as a non-exposure pixel group. Among the pixels constituting the image portion, at least a group of pixels existing at a boundary with respect to the non-exposure pixel group is set as a high power exposure pixel group where exposure is performed with light of a higher light power value than a predetermined light power value required for exposing the image portion.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: December 13, 2016
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hiroyuki Suhara, Masato Iio, Hiroto Tachibana