Patents by Inventor Kazuyoshi Okada
Kazuyoshi Okada 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: 20230370700Abstract: A data processing apparatus includes a processor, in which the processor executes data acquisition processing of acquiring spectral data of a plurality of subjects, calculation processing of calculating intensity characteristics at a first wavelength and a second wavelength selected from wavelength ranges of the acquired spectral data of the plurality of subjects based on a relationship between two wavelengths which are the first wavelength and the second wavelength, data conversion processing of converting the intensity characteristics calculated in the calculation processing into discrimination data of a specific subject for the wavelength range, and output processing of outputting the discrimination data to an outside.Type: ApplicationFiled: July 26, 2023Publication date: November 16, 2023Applicant: FUJIFILM CorporationInventors: Yasunobu KISHINE, Atsushi KAWANAGO, Kazuyoshi OKADA, Yuya HIRAKAWA
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Publication number: 20230341262Abstract: Provided are a lens device, a filter unit, and an imaging apparatus capable of suppressing occurrence of ghosts. The lens device includes a filter unit in an optical path. The filter unit has a plurality of opening portions including a first opening portion and a second opening portion. At least the first opening portion and the second opening portion each include a band-pass filter, and each include an optical element on at least one of an object side or an image side of the band-pass filter. The optical element is composed of a polarized light filter and a wave plate which converts linearly polarized light into circularly polarized light or elliptically polarized light. The first opening portion and the second opening portion pass light in different wavelength regions and different polarization directions.Type: ApplicationFiled: June 26, 2023Publication date: October 26, 2023Applicant: FUJIFILM CorporationInventors: Kazuyoshi OKADA, Yasunobu KISHINE, Atsushi KAWANAGO, Yuya HIRAKAWA
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Patent number: 11796722Abstract: One embodiment according to the technology of the present disclosure provides an optical element, an optical device, and an imaging apparatus, which can acquire a multispectral image having a good image quality. An optical element according to one aspect of the present invention includes: a frame having a plurality of aperture regions; and a plurality of optical filters that are mounted in the plurality of aperture regions, the plurality of optical filters including at least two types of filters having different wavelength ranges of transmitted light, and centroids of at least two types of aperture regions coincide with each other.Type: GrantFiled: April 14, 2022Date of Patent: October 24, 2023Assignee: FUJIFILM CorporationInventors: Yasunobu Kishine, Kazuyoshi Okada, Atsushi Kawanago
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Publication number: 20230319385Abstract: An optical member includes aperture regions, a lens device, and an imaging apparatus. A lens device includes: an imaging optical system; a first polarizing part that polarizes at least a part of rays transmitted through the imaging optical system; and a filter unit that is disposed at a pupil position of the imaging optical system or near the pupil position, and includes aperture regions transmitting the rays of the imaging optical system and including a first aperture region and a second aperture region, wavelength selective filters disposed in the first aperture region and the second aperture region and transmitting pieces of light of which at least a part of wavelength ranges are different from each other, and a second polarizing filter including polarizing filters disposed in the first aperture region and the second aperture region and having polarization directions different from each other.Type: ApplicationFiled: April 16, 2023Publication date: October 5, 2023Applicant: FUJIFILM CorporationInventors: Yuya HIRAKAWA, Kazuyoshi OKADA, Yasunobu KISHINE, Atsushi KAWANAGO
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Publication number: 20230286724Abstract: A packaging bag includes a cutting guide band extending along a transverse direction. The cutting guide band includes, a first guide band having first cut lines that are inclined at a predetermined angle with respect to the transverse direction; a second guide band having second cut lines that are inclined at a predetermined angle in a direction opposite a direction of the first cut lines with respect to the transverse direction; and a third guide band having third cut lines that are inclined at a predetermined angle in the same direction as the direction of the first cut lines with respect to the transverse direction. The cutting guide band has a fourth cut line between the first guide band and the second guide band and/or between the second guide band and the third guide band, the fourth cut line being perforated and extending along the transverse direction.Type: ApplicationFiled: July 30, 2021Publication date: September 14, 2023Applicants: TOPPAN INC., HISAMITSU PHARMACEUTICAL CO., INC.Inventors: Kazuyoshi OKADA, Yoshikazu KUWANO, Hiroshi OISHI, Tetsuhiro KAWANO
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Publication number: 20230258851Abstract: There are provided an optical member and an imaging apparatus. An optical member includes a plurality of aperture regions which transmit a ray of an optical system and include a first aperture region and a second aperture region and of which the first aperture region and the second aperture region are adjacent to each other, a plurality of optical filters disposed in the first aperture region and the second aperture region transmit light having at least a part of wavelength ranges different from each other, a plurality of polarizing filters disposed in the first aperture region and the second aperture region have polarization directions different from each other, and a ray incidence-reduction part that reduces incidence of a ray, which is incident on the first aperture region, on at least one of the optical filter or the polarizing filter disposed in the second aperture region.Type: ApplicationFiled: March 23, 2023Publication date: August 17, 2023Applicant: FUJIFILM CorporationInventors: Yuya HIRAKAWA, Kazuyoshi OKADA, Yasunobu KISHINE, Atsushi KAWANAGO
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Patent number: 11726389Abstract: Provided are a lens device, an imaging apparatus, an optical member, an imaging method, and an imaging program that are used to acquire multispectral images having a good image quality. According to one aspect, a lens device includes: an imaging optical system that includes a lens forming an optical image of a subject; and an optical member that is disposed near a pupil of the imaging optical system in a state where an optical axis of the optical member coincides with an optical axis of the imaging optical system, and includes a frame that includes a plurality of aperture regions, a plurality of optical filters that are disposed in at least one of the plurality of aperture regions and include two or more optical filters transmitting light having at least some wavelength ranges different from each other, and a plurality of polarizing filters that are disposed in at least one of the plurality of aperture regions and have different polarization directions.Type: GrantFiled: July 12, 2022Date of Patent: August 15, 2023Assignee: FUJIFILM CorporationInventors: Atsushi Kawanago, Kazuyoshi Okada, Yasunobu Kishine, Yuya Hirakawa
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Patent number: 11706506Abstract: Provided is an imaging apparatus that captures a multispectral image having a good image quality. An imaging apparatus (1) includes an imaging optical system (10) that includes a pupil region which is split into a plurality of regions including a first pupil region and a second pupil region different from the first pupil region, and a polarization filter which polarizes light beams passing through the first pupil region and the second pupil region in directions different from each other, an imaging element (100) that includes a first pixel which receives the light beam passing through the first pupil region and a second pixel which receives the light beam passing through the second pupil region, and a signal processing unit (200) that processes signals output from the imaging element (100), and outputs at least first image data consisting of an output signal of the first pixel and second image data consisting of an output signal of the second pixel.Type: GrantFiled: November 16, 2021Date of Patent: July 18, 2023Assignee: FUJIFILM CorporationInventors: Kazuyoshi Okada, Yasunobu Kishine, Atsushi Kawanago
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Publication number: 20230204950Abstract: An imaging device, an adjustment method, and an adjustment program can acquire multispectral images having good image quality. The imaging device is disposed on an image side of another optical system, and includes a multispectral camera that acquires images in a plurality of wavelength ranges, a field lens that relays the other optical system to the multispectral camera, and an adjustment mechanism that adjusts a conjugate relationship between an emission pupil position of the other optical system and an incident pupil position of the multispectral camera. The multispectral camera includes: a wavelength polarizing filter unit that includes an optical member disposed at a pupil position or near the pupil position and including a plurality of aperture regions having different centroids, a plurality of optical filters arranged in the aperture regions, and a plurality of polarizing filters arranged in the aperture regions; an imaging element; and a processor.Type: ApplicationFiled: January 12, 2023Publication date: June 29, 2023Applicant: FUJIFILM CorporationInventors: Kazuyoshi OKADA, Yasunobu KISHINE, Atsushi KAWANAGO
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Patent number: 11627263Abstract: Provided is an imaging apparatus that captures a multispectral image of four bands or more. An imaging apparatus (1) includes an imaging optical system (10), an image sensor (100), and a signal processing unit (200). The imaging optical system (10) includes a bandpass filter unit (16) of which at least one of aperture regions transmits light beams of a plurality of wavelength ranges, and a polarization filter unit (18) that polarizes the light beams transmitted through the bandpass filter unit (16) in a plurality of directions, in a vicinity of a pupil thereof. The image sensor (100) receives light beams transmitted through a plurality of types of spectral filter elements and a plurality of types of polarization filter elements. The signal processing unit (200) processes signals output from the image sensor (100) to generate a plurality of image signals.Type: GrantFiled: November 16, 2021Date of Patent: April 11, 2023Assignee: FUJIFILM CorporationInventors: Yasunobu Kishine, Shuji Ono, Kazuyoshi Okada
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Publication number: 20230106512Abstract: A lens device and an imaging apparatus that can emit illumination light coaxial with a lens optical system are proposed herein. A lens device includes an optical system that includes a first lens and a second lens forming an optical image of a subject; a first optical member that includes a frame that includes a plurality of aperture regions, a plurality of optical filters that include two or more optical filters transmitting lights having at least some wavelength ranges different from each other, and a plurality of polarizing filters that have different polarization directions; and a second optical member that is provided outside the optical system and closer to a subject side than the first optical member and emits illumination light, which is incident from the outside of the optical system, to the subject side via the optical system.Type: ApplicationFiled: December 8, 2022Publication date: April 6, 2023Applicant: FUJIFILM CorporationInventors: Atsushi KAWANAGO, Yasunobu Kishine, Kazuyoshi Okada
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Publication number: 20230103720Abstract: There are provided a lens device, an imaging apparatus, and an imaging method that suppress the occurrence of overexposure by dimming or blocking totally reflected light. The lens device (100) includes: an optical system (100A); a wavelength polarizing filter unit (130) that is disposed at a pupil position of the optical system (100A) or near the pupil position and includes a plurality of aperture regions, a plurality of optical filters that are disposed in the plurality of aperture regions and include two or more optical filters transmitting lights having a part of wavelength ranges different from each other, and a plurality of first polarizing filters that are disposed in the plurality of aperture regions and are at least two first polarizing filters having polarization directions different from each other; and a first circularly polarizing optical element (101) that is provided between a subject and the wavelength polarizing filter unit.Type: ApplicationFiled: December 8, 2022Publication date: April 6, 2023Applicant: FUJIFILM CorporationInventors: Yasunobu KISHINE, Atsushi Kawanago, Kazuyoshi Okada
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Publication number: 20220385863Abstract: Provided are an imaging apparatus and a method capable of capturing a high-quality multi spectral image. The imaging apparatus includes: an optical system that has three or more aperture regions at a pupil position or near the pupil position, each of the aperture regions being provided with a different combination of a polarizing filter and a bandpass filter such that the aperture region transmits light having a combination of a different polarization angle and a different wavelength range; an image sensor in which three or more types of pixels that receive light having different polarization angles are arranged two-dimensionally; and a processor that performs interference removal processing on a signal output from the image sensor and generates an image signal for each of the aperture regions.Type: ApplicationFiled: August 9, 2022Publication date: December 1, 2022Applicant: FUJIFILM CorporationInventors: Yasunobu KISHINE, Atsushi KAWANAGO, Kazuyoshi OKADA, Yuya HIRAKAWA
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Publication number: 20220365391Abstract: Provided are an image processing device, an imaging element, an image processing method, and an image processing program that satisfactorily generate a plurality of polarized image data from polarized image data acquired from an imaging element.Type: ApplicationFiled: July 12, 2022Publication date: November 17, 2022Applicant: FUJIFILM CorporationInventors: Kazuyoshi OKADA, Yasunobu KISHINE, Atsushi KAWANAGO, Yuya HIRAKAWA
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Publication number: 20220350225Abstract: Provided are a lens device, an imaging apparatus, an optical member, an imaging method, and an imaging program that are used to acquire multispectral images having a good image quality. According to one aspect, a lens device includes: an imaging optical system that includes a lens forming an optical image of a subject; and an optical member that is disposed near a pupil of the imaging optical system in a state where an optical axis of the optical member coincides with an optical axis of the imaging optical system, and includes a frame that includes a plurality of aperture regions, a plurality of optical filters that are disposed in at least one of the plurality of aperture regions and include two or more optical filters transmitting light having at least some wavelength ranges different from each other, and a plurality of polarizing filters that are disposed in at least one of the plurality of aperture regions and have different polarization directions.Type: ApplicationFiled: July 12, 2022Publication date: November 3, 2022Applicant: FUJIFILM CorporationInventors: Atsushi KAWANAGO, Kazuyoshi OKADA, Yasunobu KISHINE, Yuya HIRAKAWA
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Publication number: 20220236463Abstract: One embodiment according to the technology of the present disclosure provides an optical element, an optical device, and an imaging apparatus, which can acquire a multispectral image having a good image quality. An optical element according to one aspect of the present invention includes: a frame having a plurality of aperture regions; and a plurality of optical filters that are mounted in the plurality of aperture regions, the plurality of optical filters including at least two types of filters having different wavelength ranges of transmitted light, and centroids of at least two types of aperture regions coincide with each other.Type: ApplicationFiled: April 14, 2022Publication date: July 28, 2022Applicant: FUJIFILM CorporationInventors: Yasunobu KISHINE, Kazuyoshi OKADA, Atsushi KAWANAGO
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Publication number: 20220239850Abstract: Provided are an imaging device which can simultaneously capture images in different wavelength ranges and can improve a focusing accuracy of each image, an imaging optical system, and an imaging method.Type: ApplicationFiled: April 14, 2022Publication date: July 28, 2022Applicant: FUJIFILM CorporationInventors: Kazuyoshi OKADA, Yasunobu KISHINE, Atsushi KAWANAGO
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Publication number: 20220078319Abstract: Provided is an imaging apparatus that captures a multispectral image having a good image quality. An imaging apparatus (1) includes an imaging optical system (10) that includes a pupil region which is split into a plurality of regions including a first pupil region and a second pupil region different from the first pupil region, and a polarization filter which polarizes light beams passing through the first pupil region and the second pupil region in directions different from each other, an imaging element (100) that includes a first pixel which receives the light beam passing through the first pupil region and a second pixel which receives the light beam passing through the second pupil region, and a signal processing unit (200) that processes signals output from the imaging element (100), and outputs at least first image data consisting of an output signal of the first pixel and second image data consisting of an output signal of the second pixel.Type: ApplicationFiled: November 16, 2021Publication date: March 10, 2022Applicant: FUJIFILM CorporationInventors: Kazuyoshi OKADA, YASUNOBU KISHINE, Atsushi KAWANAGO
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Publication number: 20220078359Abstract: Provided is an imaging apparatus that captures a multispectral image of four bands or more. An imaging apparatus (1) includes an imaging optical system (10), an image sensor (100), and a signal processing unit (200). The imaging optical system (10) includes a bandpass filter unit (16) of which at least one of aperture regions transmits light beams of a plurality of wavelength ranges, and a polarization filter unit (18) that polarizes the light beams transmitted through the bandpass filter unit (16) in a plurality of directions, in a vicinity of a pupil thereof. The image sensor (100) receives light beams transmitted through a plurality of types of spectral filter elements and a plurality of types of polarization filter elements. The signal processing unit (200) processes signals output from the image sensor (100) to generate a plurality of image signals.Type: ApplicationFiled: November 16, 2021Publication date: March 10, 2022Applicant: FUJIFILM CorporationInventors: Yasunobu KISHINE, Shuji ONO, Kazuyoshi OKADA
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Patent number: D975167Type: GrantFiled: July 30, 2020Date of Patent: January 10, 2023Assignee: FUJIFILM CorporationInventors: Atsushi Kawanago, Kazuyoshi Okada, Yasunobu Kishine, Yuya Hirakawa