Patents by Inventor Eiji Hirata
Eiji Hirata 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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Patent number: 12207997Abstract: The present invention provides: a nonwoven fabric which gives a sufficiently soft touch when touched by a human hand, while being suppressed in slipperiness between nonwoven fabrics during the production process of a product such as a sanitary material; and a method for producing a nonwoven fabric. One embodiment of the present invention provides a nonwoven fabric which is formed of fibers containing a thermoplastic resin, wherein: the average single fiber fineness of the fibers is 0.7 dtex to 4.0 dtex; the fibers contain 0.01% by mass to 1.5% by mass of a fatty acid amide relative to the total mass of the fibers; and the coverage of the surfaces of the fibers by the fatty acid amide is from 20% to 90%.Type: GrantFiled: June 30, 2022Date of Patent: January 28, 2025Assignee: Mitsui Chemicals Asahi Life Materials Co., Ltd.Inventors: Daiki Hirata, Hidesato Shibata, Nobuhiro Inokuma, Eiji Shiota
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Publication number: 20250016464Abstract: In one example, a solid-state imaging device includes a pixel array with pixels arrayed in a matrix. The pixels include first pixels that respectively include a photoelectric conversion section that performs photoelectric conversion of incident light; a transfer transistor that controls transfer of a charge generated in the photoelectric conversion section; a floating diffusion region that accumulates the charge transferred from the photoelectric conversion section via the transfer transistor; and an amplification transistor that causes a voltage signal corresponding to the charge accumulated in the floating diffusion region to emerge in a signal line. The first pixels are arrayed in a first diagonal direction in the pixel array, and at least two of the first pixels arrayed in the first diagonal direction share one region defined as the floating diffusion region.Type: ApplicationFiled: December 28, 2022Publication date: January 9, 2025Inventors: Shun Kaizu, Eiji Hirata
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Publication number: 20240406577Abstract: A high-frequency image can be acquired at low computational cost at high speed. A polarization optical unit 20 separates incident light into first polarized light and second polarized light to perform optical low-pass filter processing on the first polarized light and combines the first polarized light subjected to the optical low-pass filter processing and the second polarized light not subjected to the optical low-pass filter processing to generate combined light. A polarization image acquisition unit 30 includes a first polarizing pixel that generates pixel information on the first polarization image and a second polarizing pixel that generates pixel information on the second polarization image on the basis of the combined light. An image processing unit 40 performs a difference computation between the first polarization image and the second polarization image acquired by the polarization image acquisition unit 30 to generates the high-frequency image.Type: ApplicationFiled: September 26, 2022Publication date: December 5, 2024Applicant: Sony Group CorporationInventors: Yuhi KONDO, Shun KAIZU, Eiji HIRATA, Teppei KURITA, Taishi ONO, Legong SUN
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Patent number: 12088956Abstract: An image processing apparatus according to an embodiment of the present technology includes a first generator and a second generator. The first generator generates projection images correspondingly to respective monochromatic projectors of a plurality of monochromatic projectors using respective correction parameters, each projection image including a first pixel region that includes a content image, and a second pixel region that is a region other than the first pixel region, the second pixel region including a feature-point image in at least a portion of the second pixel region. The second generator detects the feature-point image in a captured image obtained by capturing the projection image projected by each of the plurality of monochromatic projectors, and generates the correction parameter on the basis of a result of the detection of the feature-point image.Type: GrantFiled: July 12, 2021Date of Patent: September 10, 2024Assignee: SONY GROUP CORPORATIONInventors: Eiji Hirata, Shun Kaizu
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Publication number: 20230283926Abstract: There is provided an imaging device including a pixel array section including pixel units two-dimensionally arranged in a matrix pattern, each pixel unit including a photoelectric converter, and a plurality of column signal lines disposed according to a first column of the pixel units. The imaging device further includes an analog to digital converter that is shared by the plurality of column signal lines.Type: ApplicationFiled: May 16, 2023Publication date: September 7, 2023Applicant: SONY GROUP CORPORATIONInventors: Atsumi NIWA, Yosuke UENO, Shimon TESHIMA, Daijiro ANAI, Yoshinobu FURUSAWA, Taishin YOSHIDA, Takahiro UCHIMURA, Eiji HIRATA
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Patent number: 11743603Abstract: A solid-state imaging device adapted to encrypt data is described. The solid-state imaging device may include a sensor die comprising an array of imaging pixels formed on a first side of the sensor die and first wiring layers formed on a second side of the sensor die, wherein at least one of the imaging pixels is configured to generate specific signals; a logic die comprising second wiring layers formed on a first side of the logic die; and an encryption processor on the logic die configured to generate encrypted data using the specific signals. The first side of the logic die may be mounted adjacent to the second side of the sensor die and the first wiring layers electrically connect to the second wiring layers, wherein the at least one of the imaging pixels, the encryption processor, and a connecting conductor in which the specific signals pass through from the at least one of the imaging pixels to the encryption processor are located interior to the solid-state imaging device.Type: GrantFiled: November 29, 2017Date of Patent: August 29, 2023Assignee: Sony Semiconductor Solutions CorporationInventors: Yusuke Minagawa, Taishin Yoshida, Marie Toyoshima, Toru Akishita, Tomohiro Morimoto, Masafumi Kusakawa, Ikuhiro Tamura, Takahiro Akahane, Eiji Hirata, Yoshinobu Furusawa
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Publication number: 20230262193Abstract: An image processing apparatus according to an embodiment of the present technology includes a first generator and a second generator. The first generator generates projection images correspondingly to respective monochromatic projectors of a plurality of monochromatic projectors using respective correction parameters, each projection image including a first pixel region that includes a content image, and a second pixel region that is a region other than the first pixel region, the second pixel region including a feature-point image in at least a portion of the second pixel region. The second generator detects the feature-point image in a captured image obtained by capturing the projection image projected by each of the plurality of monochromatic projectors, and generates the correction parameter on the basis of a result of the detection of the feature-point image.Type: ApplicationFiled: July 12, 2021Publication date: August 17, 2023Applicant: Sony Group CorporationInventors: Eiji HIRATA, Shun KAIZU
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Patent number: 11696053Abstract: There is provided an imaging device including a pixel array section including pixel units two-dimensionally arranged in a matrix pattern, each pixel unit including a photoelectric converter, and a plurality of column signal lines disposed according to a first column of the pixel units. The imaging device further includes an analog to digital converter that is shared by the plurality of column signal lines.Type: GrantFiled: September 20, 2022Date of Patent: July 4, 2023Assignee: SONY GROUP CORPORATIONInventors: Atsumi Niwa, Yosuke Ueno, Shimon Teshima, Daijiro Anai, Yoshinobu Furusawa, Taishin Yoshida, Takahiro Uchimura, Eiji Hirata
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Publication number: 20230104085Abstract: The range-finding apparatus (1) includes a light source (200), an optical receiver (1103), a setting unit (100), a detector (1100), and a calculation unit (300). The light source (200) projects light with a first irradiation pattern in a first period and projects light with a second irradiation pattern in a second period. The optical receiver (1103) receives light to output a pixel signal. The setting unit (100) sets a reference signal on the basis of the pixel signal in the first period. The detector (1100) detects whether or not the pixel signal varies from the reference signal by a first value or more in the second period and outputs a first detection signal indicative of a result obtained by the detection. The calculation unit (300) calculates a distance to a to-be-measured object using the first detection signal.Type: ApplicationFiled: January 22, 2021Publication date: April 6, 2023Inventors: TAKAHIRO AKAHANE, SHUN KAIZU, YUSUKE IKEDA, YASUTAKA KIMURA, SHINICHIROU ETOU, TAKESHI OYAKAWA, NAOTO NAGAKI, EIJI HIRATA, HIROSHI YUASA
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Publication number: 20230074464Abstract: The range-finding apparatus (1) includes an optical receiver (110), a light source unit (200), a converter (134), and a calculation unit (300). The optical receiver (110) receives light to output a pixel signal. The light source unit (200) projects light with a first irradiation pattern in a first period and projects light with a second irradiation pattern in a second period. The converter (134) sequentially converts the pixel signal bit by bit using binary search to output a first digital signal and a second digital signal, the first digital signal being output by performing the conversion with a first bit width in the first period, the second digital signal being output by performing the conversion with a second bit width in the second period, the second bit width being less than the first bit width. The calculation unit (300) calculates a distance on the basis of the first digital signal and the second digital signal.Type: ApplicationFiled: January 25, 2021Publication date: March 9, 2023Inventors: TAKAHIRO AKAHANE, YUSUKE IKEDA, SHUN KAIZU, EIJI HIRATA, HIROSHI YUASA, SHINICHIROU ETOU, YASUTAKA KIMURA, TAKESHI OYAKAWA, NAOKI YOSHIMOCHI
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Publication number: 20230013673Abstract: There is provided an imaging device including a pixel array section including pixel units two-dimensionally arranged in a matrix pattern, each pixel unit including a photoelectric converter, and a plurality of column signal lines disposed according to a first column of the pixel units. The imaging device further includes an analog to digital converter that is shared by the plurality of column signal lines.Type: ApplicationFiled: September 20, 2022Publication date: January 19, 2023Applicant: SONY GROUP CORPORATIONInventors: Atsumi NIWA, Yosuke UENO, Shimon TESHIMA, Daijiro ANAI, Yoshinobu FURUSAWA, Taishin YOSHIDA, Takahiro UCHIMURA, Eiji HIRATA
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Patent number: 11483509Abstract: There is provided an imaging device including a pixel array section including pixel units two-dimensionally arranged in a matrix pattern, each pixel unit including a photoelectric converter, and a plurality of column signal lines disposed according to a first column of the pixel units. The imaging device further includes an analog to digital converter that is shared by the plurality of column signal lines.Type: GrantFiled: December 11, 2020Date of Patent: October 25, 2022Assignee: SONY CORPORATIONInventors: Atsumi Niwa, Yosuke Ueno, Shimon Teshima, Daijiro Anai, Yoshinobu Furusawa, Taishin Yoshida, Takahiro Uchimura, Eiji Hirata
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Patent number: 11394913Abstract: The present technology is provided to accurately correct uneven luminance while suppressing an increase in the size of the solid-state imaging element. A pixel array unit includes a plurality of lines each including a predetermined number of pixels each being arrayed in a predetermined direction. An analog-to-digital conversion unit includes more than the predetermined number of analog-to-digital converters that convert analog signals into digital signals. A scanning circuit controls to sequentially select the plurality of lines and output more than the predetermined number of analog signals to the analog-to-digital conversion unit every time the line is selected. A correction unit performs black level correction processing on the digital signal.Type: GrantFiled: November 23, 2020Date of Patent: July 19, 2022Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Atsumi Niwa, Shizunori Matsumoto, Eiji Hirata
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Patent number: 10992892Abstract: There is provided an imaging device that includes a pixel, the pixel comprising: a photodetector; a control transistor; a capacitor coupled to the photodetector; a reset transistor coupled between the control transistor and the capacitor; an amplifier transistor having a gate terminal coupled to the capacitor; and a select transistor coupled to the amplifier transistor; a first signal line coupled to the select transistor; and a first amplifying circuit including a first input terminal coupled to the first signal line and a second input terminal configured to receive a first reference signal and an output terminal coupled to the control transistor.Type: GrantFiled: October 10, 2017Date of Patent: April 27, 2021Assignee: Sony Semiconductor Solutions CorporationInventors: Yusuke Ikeda, Eiji Hirata, Kazunori Yamamoto
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Publication number: 20210099660Abstract: There is provided an imaging device including a pixel array section including pixel units two-dimensionally arranged in a matrix pattern, each pixel unit including a photoelectric converter, and a plurality of column signal lines disposed according to a first column of the pixel units. The imaging device further includes an analog to digital converter that is shared by the plurality of column signal lines.Type: ApplicationFiled: December 11, 2020Publication date: April 1, 2021Applicant: SONY CORPORATIONInventors: Atsumi NIWA, Yosuke UENO, Shimon TESHIMA, Daijiro ANAI, Yoshinobu FURUSAWA, Taishin YOSHIDA, Takahiro UCHIMURA, Eiji HIRATA
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Publication number: 20210075990Abstract: The present technology is provided to accurately correct uneven luminance while suppressing an increase in the size of the solid-state imaging element. A pixel array unit includes a plurality of lines each including a predetermined number of pixels each being arrayed in a predetermined direction. An analog-to-digital conversion unit includes more than the predetermined number of analog-to-digital converters that convert analog signals into digital signals. A scanning circuit controls to sequentially select the plurality of lines and output more than the predetermined number of analog signals to the analog-to-digital conversion unit every time the line is selected. A correction unit performs black level correction processing on the digital signal.Type: ApplicationFiled: November 23, 2020Publication date: March 11, 2021Inventors: ATSUMI NIWA, SHIZUNORI MATSUMOTO, EIJI HIRATA
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Patent number: 10911707Abstract: There is provided an imaging device including a pixel array section including pixel units two-dimensionally arranged in a matrix pattern, each pixel unit including a photoelectric converter, and a plurality of column signal lines disposed according to a first column of the pixel units. The imaging device further includes an analog to digital converter that is shared by the plurality of column signal lines.Type: GrantFiled: April 3, 2020Date of Patent: February 2, 2021Assignee: Sony CorporationInventors: Atsumi Niwa, Yosuke Ueno, Shimon Teshima, Daijiro Anai, Yoshinobu Furusawa, Taishin Yoshida, Takahiro Uchimura, Eiji Hirata
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Patent number: 10880509Abstract: The present technology is provided to accurately correct uneven luminance while suppressing an increase in the size of the solid-state imaging element. A pixel array unit includes a plurality of lines each including a predetermined number of pixels each being arrayed in a predetermined direction. An analog-to-digital conversion unit includes more than the predetermined number of analog-to-digital converters that convert analog signals into digital signals. A scanning circuit controls to sequentially select the plurality of lines and output more than the predetermined number of analog signals to the analog-to-digital conversion unit every time the line is selected. A correction unit performs black level correction processing on the digital signal.Type: GrantFiled: October 27, 2017Date of Patent: December 29, 2020Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Atsumi Niwa, Shizunori Matsumoto, Eiji Hirata
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Publication number: 20200236319Abstract: There is provided an imaging device including a pixel array section including pixel units two-dimensionally arranged in a matrix pattern, each pixel unit including a photoelectric converter, and a plurality of column signal lines disposed according to a first column of the pixel units. The imaging device further includes an analog to digital converter that is shared by the plurality of column signal lines.Type: ApplicationFiled: April 3, 2020Publication date: July 23, 2020Applicant: SONY CORPORATIONInventors: Atsumi NIWA, Yosuke UENO, Shimon TESHIMA, Daijiro ANAI, Yoshinobu FURUSAWA, Taishin YOSHIDA, Takahiro UCHIMURA, Eiji HIRATA
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Patent number: 10666889Abstract: The present disclosure relates to a solid-state imaging element capable of suppressing an occurrence of image breakup in imaging of a moving subject, a solid-state imaging element operation method, an imaging apparatus, and an electronic device. Pixel signals of G pixels (including Gb and Gr pixels) defined as a reference of a luminance value among pixels of images captured by an imaging element are simultaneously scanned to undergo analog-to-digital conversion in an order not causing stagnation in a predetermined direction of analog-to-digital conversion, and at this time, R and B pixels other than the pixels defined as the reference of the luminance value undergo analog-to-digital conversion by simultaneous scan of pixels in the vicinity of the G pixels defined as the reference of the luminance value that undergo analog-to-digital conversion. The present disclosure can be applied to an imaging apparatus.Type: GrantFiled: March 9, 2017Date of Patent: May 26, 2020Assignee: SONY CORPORATIONInventor: Eiji Hirata