Patents by Inventor Hirokazu Takenaka
Hirokazu Takenaka 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: 20200029025Abstract: An imaging system includes a plurality of imaging bodies, a moving part, and an imaging control unit. Each of the imaging bodies includes a first optical element that images a range containing a hemisphere that is centered at an optical axis and oriented in a first direction of the optical axis, and a second optical element that images a range containing a hemisphere that is centered at the optical axis and oriented in a second direction opposite to the first direction. The imaging bodies is arranged in a direction orthogonal to the optical axis. The moving part moves the imaging bodies on a straight line. The imaging control unit is configured to cause the imaging bodies to perform imaging in synchronization with each other, and acquire a taken image from each of the imaging bodies.Type: ApplicationFiled: March 16, 2018Publication date: January 23, 2020Inventors: Soichiro YOKOTA, Hirokazu TAKENAKA, Tamon SADASUE, Keita KATAGIRI
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Publication number: 20200007763Abstract: An image processing apparatus detecting a plurality of joint positions between a plurality of input images includes a target image generation unit configured to generate a plurality of target images to be searched in a second input image among the input images from a first input image among the input images; a characteristic amount calculation unit configured to calculate a characteristic amount for each of the target images generated by the target image generation unit; and a joint position determination unit configured to determine the joint position for a target image of interest among the target images having the characteristic amounts calculated by the characteristic amount calculation unit depending on the characteristic amount.Type: ApplicationFiled: July 19, 2019Publication date: January 2, 2020Applicant: Ricoh Company, Ltd.Inventors: Hirokazu TAKENAKA, Kazuhiro YOSHIDA, Keiichi KAWAGUCHI
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Publication number: 20190394447Abstract: An imaging apparatus includes a plurality of imaging bodies and an imaging control unit. Each of the imaging bodies includes a first optical element capable of imaging a range including a hemisphere that is centered at an optical axis and oriented in a first direction of the optical axis, and a second optical element capable of imaging a range including a hemisphere that is centered at the optical axis and oriented in a second direction opposite to the first direction. The imaging bodies are arrayed in a direction perpendicular to the optical axis. The imaging control unit causes the plurality of imaging bodies to perform imaging in a synchronous manner, and acquires a captured image from each of the imaging bodies.Type: ApplicationFiled: January 31, 2018Publication date: December 26, 2019Inventors: Soichiro YOKOTA, Hirokazu TAKENAKA, Tamon SADASUE
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Publication number: 20190306423Abstract: An imaging system includes an imaging body having an optical system and an imaging element, a power supplier configured to supply power to the imaging element, and a housing configured to hold the imaging body and the power supplier, wherein the optical system includes at least one optical element projecting from the housing, and a distance AP between a gravity center A of a portion including the optical system and a gravity center P of the entire imaging system and a distance BP between a gravity center B of the power supplier and the gravity center P of the entire imaging system satisfy the following condition.Type: ApplicationFiled: June 12, 2019Publication date: October 3, 2019Applicant: Ricoh Company, Ltd.Inventors: Kensuke Masuda, Noriyuki Terao, Yoshiaki Irino, Tomonori Tanaka, Nozomi Imae, Toru Harada, Hirokazu Takenaka, Hideaki Yamamoto, Satoshi Sawaguchi, Daisuke Bessho, Hiroyuki Satoh, Makoto Shohara
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Patent number: 10412302Abstract: An image processing apparatus detecting a plurality of joint positions between a plurality of input images includes a target image generation unit configured to generate a plurality of target images to be searched in a second input image among the input images from a first input image among the input images; a characteristic amount calculation unit configured to calculate a characteristic amount for each of the target images generated by the target image generation unit; and a joint position determination unit configured to determine the joint position for a target image of interest among the target images having the characteristic amounts calculated by the characteristic amount calculation unit depending on the characteristic amount.Type: GrantFiled: July 20, 2018Date of Patent: September 10, 2019Assignee: RICOH COMPANY, LTD.Inventors: Hirokazu Takenaka, Kazuhiro Yoshida, Keiichi Kawaguchi
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Patent number: 10382681Abstract: An imaging system includes an imaging body having an optical system and an imaging element, a power supplier configured to supply power to the imaging element, and a housing configured to hold the imaging body and the power supplier, wherein the optical system includes at least one optical element projecting from the housing, and a distance AP between a gravity center A of a portion including the optical system and a gravity center P of the entire imaging system and a distance BP between a gravity center B of the power supplier and the gravity center P of the entire imaging system satisfy the following condition.Type: GrantFiled: March 26, 2018Date of Patent: August 13, 2019Assignee: RICOH COMPANY, LTD.Inventors: Kensuke Masuda, Noriyuki Terao, Yoshiaki Irino, Tomonori Tanaka, Nozomi Imae, Toru Harada, Hirokazu Takenaka, Hideaki Yamamoto, Satoshi Sawaguchi, Daisuke Bessho, Hiroyuki Satoh, Makoto Shohara
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Publication number: 20190243110Abstract: An imaging device includes two imaging optical systems each of the imaging optical systems including a wide-angle lens having an angle of view wider than 180 degrees, and an imaging sensor configured to image an image by the wide-angle lens, so as to obtain an image in a solid angle of 4? radian by synthesizing the images by the respective imaging optical systems, wherein the wide-angle lens of each of the imaging optical systems includes, in order from an object side to an image side, a front group having a negative power, a reflection surface and a back group having a positive power, and is configured to bend an optical axis of the front group by the reflection surface at 90 degrees toward the back group.Type: ApplicationFiled: April 15, 2019Publication date: August 8, 2019Applicant: Ricoh Company, Ltd.Inventors: Kensuke MASUDA, Noriyuki TERAO, Yoshiaki IRINO, Tomonori TANAKA, Nozomi IMAE, Toru HARADA, Hirokazu TAKENAKA, Hideaki YAMAMOTO, Satoshi SAWAGUCHI, Daisuke BESSHO, Hiroyuki SATOH, Makoto SHOHARA
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Patent number: 10295797Abstract: An imaging device includes two imaging optical systems each of the imaging optical systems including a wide-angle lens having an angle of view wider than 180 degrees, and an imaging sensor configured to image an image by the wide-angle lens, so as to obtain an image in a solid angle of 4? radian by synthesizing the images by the respective imaging optical systems, wherein the wide-angle lens of each of the imaging optical systems includes, in order from an object side to an image side, a front group having a negative power, a reflection surface and a back group having a positive power, and is configured to bend an optical axis of the front group by the reflection surface at 90 degrees toward the back group.Type: GrantFiled: July 14, 2017Date of Patent: May 21, 2019Assignee: Ricoh Company, Ltd.Inventors: Kensuke Masuda, Noriyuki Terao, Yoshiaki Irino, Tomonori Tanaka, Nozomi Imae, Toru Harada, Hirokazu Takenaka, Hideaki Yamamoto, Satoshi Sawaguchi, Daisuke Bessho, Hiroyuki Satoh, Makoto Shohara
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Publication number: 20190086649Abstract: An image capture system including two imaging systems of the same structure each having a wide-angle lens, which includes a front group, a reflection surface, and a rear group arranged in order from an object side, has a field angle larger than 180 degrees, and bends an optical axis of the front group toward the rear group by the reflection surface, and an imaging sensor, obtains an image in a solid angle of 4? radian by combining images imaged by the imaging systems. Each of the two wide-angle lenses includes the reflection surface between the front group and the rear group, the reflection surfaces are made to be common to the two imaging systems. This reduces an interval between lenses nearest to the object side in the front groups of the two wide-angle lenses, thereby reducing a distance between maximum field angles of the two wide-angle lenses.Type: ApplicationFiled: November 16, 2018Publication date: March 21, 2019Inventors: Hiroyuki SATOH, Noriyuki TERAO, Yoshiaki IRINO, Tomonori TANAKA, Nozomi IMAE, Toru HARADA, Hirokazu TAKENAKA, Hideaki YAMAMOTO, Kensuke MASUDA, Satoshi SAWAGUCHI, Daisuke BESSHO, Makoto SHOHARA, Yoichi ITO, Shusaku TAKASU
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Publication number: 20190054674Abstract: A front panel for on-board liquid crystal displays has a high hardness resin composition (B) on at least one side of a layer containing a resin (A) having a polycarbonate resin (a1). The front panel satisfies the following conditions (i) to (iv): (i) the thickness of the layer containing a high hardness resin composition (B) is 10 to 250 ?m, and the total thickness of the layer containing a resin (A) comprising a polycarbonate resin (a1) and the layer containing a high hardness resin composition (B) is 100 to 3,000 ?m; (ii) the high hardness resin composition (B) consists of any one of specific resin compositions (B1) to (B3); (iii) the retardation of the front panel is 3,000 nm or more; and (iv) the standard deviation of the second derivative of the irregular shape of the hard coat layer having irregularities is 0.1 or more.Type: ApplicationFiled: March 2, 2017Publication date: February 21, 2019Applicants: MITSUBISHI GAS CHEMICAL COMPANY, INC., MGC FILSHEET CO., LTD.Inventors: Hirokazu TAKENAKA, Yasuo OOSE, Takuya GOTO
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Patent number: 10192185Abstract: A farmland management system includes an information detection unit configured to acquire information relating to a crop being cultivated, a storage unit configured to store crop registration information for estimating a growth condition of the crop, a growth estimation unit configured to refer to the crop registration information and estimate the growth condition of the crop based on the information relating to the crop and the crop registration information, and a display unit configured to display the growth condition estimated by the growth estimation unit.Type: GrantFiled: August 26, 2015Date of Patent: January 29, 2019Assignee: Ricoh Company, Ltd.Inventors: Yasuhiro Tomii, Shohei Matsumura, Takashi Noguchi, Kensuke Masuda, Kohji Oshikiri, Takeshi Denda, Hirokazu Takenaka, Yuji Yamanaka
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Patent number: 10151905Abstract: An image capture system including two imaging systems of the same structure each having a wide-angle lens, which includes a front group, a reflection surface, and a rear group arranged in order from an object side, has a field angle larger than 180 degrees, and bends an optical axis of the front group toward the rear group by the reflection surface, and an imaging sensor, obtains an image in a solid angle of 4? radian by combining images imaged by the imaging systems. Each of the two wide-angle lenses includes the reflection surface between the front group and the rear group, the reflection surfaces are made to be common to the two imaging systems. This reduces an interval between lenses nearest to the object side in the front groups of the two wide-angle lenses, thereby reducing a distance between maximum field angles of the two wide-angle lenses.Type: GrantFiled: September 26, 2017Date of Patent: December 11, 2018Assignee: RICOH COMPANY, LTD.Inventors: Hiroyuki Satoh, Noriyuki Terao, Yoshiaki Irino, Tomonori Tanaka, Nozomi Imae, Toru Harada, Hirokazu Takenaka, Hideaki Yamamoto, Kensuke Masuda, Satoshi Sawaguchi, Daisuke Bessho, Makoto Shohara, Yoichi Ito, Shusaku Takasu
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Publication number: 20180332221Abstract: An image processing apparatus detecting a plurality of joint positions between a plurality of input images includes a target image generation unit configured to generate a plurality of target images to be searched in a second input image among the input images from a first input image among the input images; a characteristic amount calculation unit configured to calculate a characteristic amount for each of the target images generated by the target image generation unit; and a joint position determination unit configured to determine the joint position for a target image of interest among the target images having the characteristic amounts calculated by the characteristic amount calculation unit depending on the characteristic amount.Type: ApplicationFiled: July 20, 2018Publication date: November 15, 2018Inventors: Hirokazu TAKENAKA, Kazuhiro YOSHIDA, Keiichi KAWAGUCHI
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Patent number: 10063774Abstract: An image processing apparatus detecting a plurality of joint positions between a plurality of input images includes a target image generation unit configured to generate a plurality of target images to be searched in a second input image among the input images from a first input image among the input images; a characteristic amount calculation unit configured to calculate a characteristic amount for each of the target images generated by the target image generation unit; and a joint position determination unit configured to determine the joint position for a target image of interest among the target images having the characteristic amounts calculated by the characteristic amount calculation unit depending on the characteristic amount.Type: GrantFiled: August 25, 2014Date of Patent: August 28, 2018Assignee: Ricoh Company, Ltd.Inventors: Hirokazu Takenaka, Kazuhiro Yoshida, Keiichi Kawaguchi
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Publication number: 20180213152Abstract: An imaging system includes an imaging body having an optical system and an imaging element, a power supplier configured to supply power to the imaging element, and a housing configured to hold the imaging body and the power supplier, wherein the optical system includes at least one optical element projecting from the housing, and a distance AP between a gravity center A of a portion including the optical system and a gravity center P of the entire imaging system and a distance BP between a gravity center B of the power supplier and the gravity center P of the entire imaging system satisfy the following condition.Type: ApplicationFiled: March 26, 2018Publication date: July 26, 2018Inventors: Kensuke Masuda, Noriyuki Terao, Yoshiaki Irino, Tomonori Tanaka, Nozomi Imae, Toru Harada, Hirokazu Takenaka, Hideaki Yamamoto, Satoshi Sawaguchi, Daisuke Bessho, Hiroyuki Satoh, Makoto Shohara
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Patent number: 9992414Abstract: An imaging system includes an imaging body having an optical system and an imaging element, a power supplier configured to supply power to the imaging element, and a housing configured to hold the imaging body and the power supplier, wherein the optical system includes at least one optical element projecting from the housing, and a distance AP between a gravity center A of a portion including the optical system and a gravity center P of the entire imaging system and a distance BP between a gravity center B of the power supplier and the gravity center P of the entire imaging system satisfy the following condition.Type: GrantFiled: July 13, 2017Date of Patent: June 5, 2018Assignee: RICOH COMPANY, LTD.Inventors: Kensuke Masuda, Noriyuki Terao, Yoshiaki Irino, Tomonori Tanaka, Nozomi Imae, Toru Harada, Hirokazu Takenaka, Hideaki Yamamoto, Satoshi Sawaguchi, Daisuke Bessho, Hiroyuki Satoh, Makoto Shohara
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Publication number: 20180024333Abstract: An image capture system including two imaging systems of the same structure each having a wide-angle lens, which includes a front group, a reflection surface, and a rear group arranged in order from an object side, has a field angle larger than 180 degrees, and bends an optical axis of the front group toward the rear group by the reflection surface, and an imaging sensor, obtains an image in a solid angle of 4? radian by combining images imaged by the imaging systems. Each of the two wide-angle lenses includes the reflection surface between the front group and the rear group, the reflection surfaces are made to be common to the two imaging systems. This reduces an interval between lenses nearest to the object side in the front groups of the two wide-angle lenses, thereby reducing a distance between maximum field angles of the two wide-angle lenses.Type: ApplicationFiled: September 26, 2017Publication date: January 25, 2018Applicant: RICOH COMPANY, LTD.Inventors: Hiroyuki SATOH, Noriyuki TERAO, Yoshiaki IRINO, Tomonori TANAKA, Nozomi IMAE, Toru HARADA, Hirokazu TAKENAKA, Hideaki YAMAMOTO, Kensuke MASUDA, Satoshi SAWAGUCHI, Daisuke BESSHO, Makoto SHOHARA, Yoichi ITO, Shusaku TAKASU
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Publication number: 20170315336Abstract: An imaging device includes two imaging optical systems each of the imaging optical systems including a wide-angle lens having an angle of view wider than 180 degrees, and an imaging sensor configured to image an image by the wide-angle lens, so as to obtain an image in a solid angle of 4 ? radian by synthesizing the images by the respective imaging optical systems, wherein the wide-angle lens of each of the imaging optical systems includes, in order from an object side to an image side, a front group having a negative power, a reflection surface and a back group having a positive power, and is configured to bend an optical axis of the front group by the reflection surface at 90 degrees toward the back group.Type: ApplicationFiled: July 14, 2017Publication date: November 2, 2017Inventors: Kensuke MASUDA, Noriyuki TERAO, Yoshiaki IRINO, Tomonori TANAKA, Nozomi IMAE, Toru HARADA, Hirokazu TAKENAKA, Hideaki YAMAMOTO, Satoshi SAWAGUCHI, Daisuke BESSHO, Hiroyuki SATOH, Makoto SHOHARA
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Publication number: 20170310895Abstract: An imaging system includes an imaging body having an optical system and an imaging element, a power supplier configured to supply power to the imaging element, and a housing configured to hold the imaging body and the power supplier, wherein the optical system includes at least one optical element projecting from the housing, and a distance AP between a gravity center A of a portion including the optical system and a gravity center P of the entire imaging system and a distance BP between a gravity center B of the power supplier and the gravity center P of the entire imaging system satisfy the following condition.Type: ApplicationFiled: July 13, 2017Publication date: October 26, 2017Inventors: Kensuke MASUDA, Noriyuki TERAO, Yoshiaki IRINO, Tomonori TANAKA, Nozomi IMAE, Toru HARADA, Hirokazu TAKENAKA, Hideaki YAMAMOTO, Satoshi SAWAGUCHI, Daisuke BESSHO, Hiroyuki SATOH, Makoto SHOHARA
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Patent number: 9798117Abstract: An image capture system including two imaging systems of the same structure each having a wide-angle lens, which includes a front group, a reflection surface, and a rear group arranged in order from an object side, has a field angle larger than 180 degrees, and bends an optical axis of the front group toward the rear group by the reflection surface, and an imaging sensor, obtains an image in a solid angle of 4? radian by combining images imaged by the imaging systems. Each of the two wide-angle lenses includes the reflection surface between the front group and the rear group, the reflection surfaces are made to be common to the two imaging systems. This reduces an interval between lenses nearest to the object side in the front groups of the two wide-angle lenses, thereby reducing a distance between maximum field angles of the two wide-angle lenses.Type: GrantFiled: June 30, 2016Date of Patent: October 24, 2017Assignee: RICOH COMPANY, LTD.Inventors: Hiroyuki Satoh, Noriyuki Terao, Yoshiaki Irino, Tomonori Tanaka, Nozomi Imae, Toru Harada, Hirokazu Takenaka, Hideaki Yamamoto, Kensuke Masuda, Satoshi Sawaguchi, Daisuke Bessho, Makoto Shohara, Yoichi Ito, Shusaku Takasu