Patents by Inventor Tatsuya Nakano
Tatsuya Nakano 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: 20150294609Abstract: An image display apparatus includes a laser light source unit configured to output a luminous flux, a scanning mirror unit configured to reflect the luminous flux by reciprocating driving in a main-scanning direction and a sub-scanning direction, a light source driving unit configured to drive the light source unit based on image data, a bit shift processing unit configured to adjust a brightness value of a pixel included in the image date, and a dimming processing unit configured to perform control in such a manner that a brightness value of a pixel included in the image data is not displayed as zero with respect to the image data subjected to dimming processing by the bit shift processing unit according to a predetermined rule.Type: ApplicationFiled: June 25, 2015Publication date: October 15, 2015Inventors: Minoru OHYAMA, Kazumi IWATA, Ryuichi OKAZAKI, Tatsuya NAKANO
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Publication number: 20140372047Abstract: A system computes the interaction energy between a plurality of fragments in a calculation object substance according to the fragment molecular orbital method. The energy of each fragment, the two-body interaction energy of each dimer including two fragments, and the three-body interaction energy of each trimer including three fragments are calculated. The two-body interaction energy of each dimer is corrected by adding, to the two-body interaction energy of the dimer, the contribution of the dimer in the three-body interaction energy of the trimer that includes the dimer.Type: ApplicationFiled: August 6, 2012Publication date: December 18, 2014Applicants: JAPAN AS REPRESENTED BY DIRECTOR GENERAL OF NATONAL INSTITUTE OF HEALTH SCIENCE, RIKKYO GAKUIN, MIZUHO INFORMATION & RESEARCH INSTITUTE, INC.Inventors: Tatsuya Nakano, Yuji Mochizuki, Kaori Fukuzawa
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Patent number: 8680267Abstract: A process produces an amide or lactam by subjecting an oxime compound to rearrangement in a solvent in the presence of: at least one catalyst selected from the group consisting of an aromatic compound (A1) containing a leaving group bound to a carbon atom constituting the aromatic ring, the aromatic ring including, as a constitutive atom thereof, a heteroatom or including, as a constitutive atom thereof, a carbon atom bound to an electron-withdrawing group, and a compound (A2) containing a structure of Formula (1): -G-LA (1) wherein G represents P, N, S, B or Si atom; and LA represents a leaving group, wherein G is bound to one or more atoms or groups in addition to LA; and a co-catalyst including a halogen-containing organic acid, to give the corresponding amide or lactam, wherein, when the aromatic compound (A1) alone is used as the catalyst, the solvent is at least one solvent selected typically from hydrocarbon solvents.Type: GrantFiled: June 10, 2009Date of Patent: March 25, 2014Assignee: Daicel Chemical Industries, Ltd.Inventors: Takahiro Iwahama, Tatsuya Nakano, Yasutaka Ishii
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Publication number: 20130321924Abstract: An anti-reflection material comprising a coating film formed on at least a part of surface of a substrate having translucency and consisting of a binder, silica particles and air reserves, said silica particles being arranged forming two layers one on the other on the substrate surface, a first layer on the substrate side being formed by covering the substrate surface with the silica particles and having said air reserves between said substrate and said silica particles, and the silica particles of a second layer covering part of the silica particles of said first layer and having said air reserves between the silica particles of said first layer and the silica particles of said second layer.Type: ApplicationFiled: December 12, 2011Publication date: December 5, 2013Inventors: Akihiro Kobayashi, Tatsuya Nakano, Takahisa Takada
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Patent number: 8485631Abstract: When an original point position of a transport roller is detected using an original point detecting sensor and a downstream end in the transport direction of an elongated sheet is positioned on a more downstream side in the transport direction than a cutting position, the sheet is cut by a cutter. Thereafter, a correction chart is generated by driving the transport roller and a recording unit.Type: GrantFiled: August 20, 2011Date of Patent: July 16, 2013Assignee: Seiko Epson CorporationInventors: Masato Mitsuhashi, Takeshi Shiode, Tomohiro Yuda, Tatsuya Nakano, Toshiaki Ishikawa
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Patent number: 8474952Abstract: A fluid ejecting apparatus includes a nozzle row in which a plurality of nozzles that eject fluid onto a medium are arranged, a first movement unit that displaces a relative position between the medium and the nozzle row, and a control unit that forms a plurality of dot-lines by repeating a fluid ejection operation in which fluid is ejected so as to form a dot-line, such that a maximum time between when one of the adjacent dot-lines in the plurality of dot-lines is formed to when the other of the adjacent dot-lines is formed is reduced.Type: GrantFiled: September 6, 2011Date of Patent: July 2, 2013Assignee: Seiko Epson CorporationInventors: Takeshi Yoshida, Masahiko Yoshida, Michiaki Tokunaga, Tatsuya Nakano
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Patent number: 8292393Abstract: A recording apparatus of this invention includes a head; a transport mechanism that transports a medium in a transport direction with respect to the head, according to a target transport amount to be targeted; a memory that stores a plurality of correction values associated with a relative position of the head and the medium; and a controller that controls the transport mechanism based on the target transport amount that has been corrected, after correcting the target transport amount based on correction values, which are in number according to a size of the target transport amount, and which include the correction value according to the relative position when transporting by the target transport amount.Type: GrantFiled: May 14, 2010Date of Patent: October 23, 2012Assignee: Seiko Epson CorporationInventors: Masahiko Yoshida, Tatsuya Nakano, Hirokazu Nunokawa, Bunji Ishimoto, Toru Miyamoto, Yoichi Kakehashi
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Patent number: 8191983Abstract: There is provided a method of calculating a correction value in a liquid ejecting apparatus in which a plurality of heads is arranged in a predetermined direction and each of the heads has a nozzle row in which nozzles ejecting a liquid on a medium are arranged in the predetermined direction. The method includes: forming a first and second pattern by a first and second operation; and calculating, on the basis of the first pattern, a first correction value and, on the basis of the first and second patterns, a second correction valve to line up a landed position of the liquid ejected in the first operation and the second operation.Type: GrantFiled: March 31, 2010Date of Patent: June 5, 2012Assignee: Seiko Epson CorporationInventors: Takeshi Yoshida, Masahiko Yoshida, Michiaki Tokunaga, Tatsuya Nakano, Yuji Miyama
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Publication number: 20120081450Abstract: A test pattern forming method is used in adjustment transport of an image forming apparatus, by the image forming apparatus which includes transport rollers transporting a medium in the sub-scanning direction and a plurality of nozzles arranged in the sub-scanning direction and repeats the transport and main scanning for moving the plurality of nozzles in the main scanning direction. The method includes forming a plurality of first patterns using a first nozzle among the plurality of nozzles, and forming a plurality of second patterns using a second nozzle among the plurality of nozzles. The plurality of first patterns is formed by repetitive transport of the medium by a first intermittent transport. The plurality of second patterns is formed by repetitive transport of the medium by a second intermittent transport. The acceleration of the first intermittent transport is more gradual than the acceleration of the second intermittent transport.Type: ApplicationFiled: September 29, 2011Publication date: April 5, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Tatsuya NAKANO, Masahiko YOSHIDA, Michiaki TOKUNAGA, Takeshi YOSHIDA
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Publication number: 20120081447Abstract: A transport adjustment method of adjusting transport of an image forming apparatus which includes a transport roller that transports a medium in a sub-scanning direction and a plurality of nozzles lining up in the sub-scanning direction and repeats the transport and main scanning of moving the plurality of nozzles in a main scanning direction, for each angle section formed by dividing one revolution of the transport roller into a plurality of angle sections, the method including: printing, by forming a ruled line by the main scanning every time the transport corresponding to the angle section is carried out, a test pattern in which a plurality of ruled lines is arranged; detecting an arrangement interval of the printed ruled lines; and adjusting the transport corresponding to the same angle section on the basis of the average value of a plurality of arrangement intervals corresponding to the same angle section.Type: ApplicationFiled: September 29, 2011Publication date: April 5, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Tatsuya NAKANO, Masahiko YOSHIDA, Michiaki TOKUNAGA, Takeshi YOSHIDA
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Publication number: 20120056924Abstract: A fluid ejecting apparatus includes a nozzle row in which a plurality of nozzles that eject fluid onto a medium are arranged, a first movement unit that displaces a relative position between the medium and the nozzle row, and a control unit that forms a plurality of dot-lines by repeating a fluid ejection operation in which fluid is ejected so as to form a dot-line, such that a maximum time between when one of the adjacent dot-lines in the plurality of dot-lines is formed to when the other of the adjacent dot-lines is formed is reduced.Type: ApplicationFiled: September 6, 2011Publication date: March 8, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Takeshi YOSHIDA, Masahiko YOSHIDA, Michiaki TOKUNAGA, Tatsuya NAKANO
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Publication number: 20120042760Abstract: When an original point position of a transport roller is detected using an original point detecting sensor and a downstream end in the transport direction of an elongated sheet is positioned on a more downstream side in the transport direction than a cutting position, the sheet is cut by a cutter. Thereafter, a correction chart is generated by driving the transport roller and a recording unit.Type: ApplicationFiled: August 20, 2011Publication date: February 23, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Masato MITSUHASHI, Takeshi SHIODE, Tomohiro YUDA, Tatsuya NAKANO, Toshiaki ISHIKAWA
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Patent number: 8083320Abstract: Liquid ejecting apparatuses and image formed methods are provided. In an exemplary embodiment, a liquid ejecting apparatus is provided including a head unit, a movement mechanism, and a control section. The head unit has along a first direction a plurality of heads, in which a plurality of nozzles that eject a liquid onto a medium are lined up in the first direction, and the head unit forms a single raster line by ejecting the liquid while performing m number of movements relative to the medium in a second direction, which intersects the first direction. The movement mechanism causes the head unit to perform a plurality of movements relative to the medium alternately in the second direction and the first direction. The control section forms an image having a resolution that is n times a pitch of the nozzles.Type: GrantFiled: September 18, 2008Date of Patent: December 27, 2011Assignee: Seiko Epson CorporationInventors: Masahiko Yoshida, Takeshi Yoshida, Michiaki Tokunaga, Tatsuya Nakano
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Patent number: 8029085Abstract: A transport mechanism transports a medium in a transport direction based on a target transport amount and has a first roller provided on an upstream side in the transport direction and a second roller provided on a downstream side in the transport direction. Correction values are calculated based on an interval between the lines in the transport direction. The transport mechanism is controlled based on a corrected target transport amount after correcting the target transport amount based on the correction values. Lines are formed by ejecting ink from a first nozzle when the first roller is in contact with the medium, and ejecting ink from a second nozzle on a downstream side from the first nozzle in the transport direction when the first roller is not in contact with the medium and the second roller is in contact with the medium.Type: GrantFiled: June 22, 2007Date of Patent: October 4, 2011Assignee: Seiko Epson CorporationInventors: Masahiko Yoshida, Tatsuya Nakano, Bunji Ishimoto, Toru Miyamoto, Hirokazu Nunokawa, Yoichi Kakehashi
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Publication number: 20110235125Abstract: A correction value calculating method includes: printing a pattern based on an instruction gray scale value indicating a predetermined density; acquiring a read gray scale value, which is a result obtained when a scanner reads the pattern, for each line area; calculating a first correction value, which is a correction value of each line area corresponding to a middle portion of the pattern, based on the read gray scale value of each line area corresponding to the middle portion of the pattern; and calculating a second correction value, which is a correction value of the line area corresponding to an end portion of the pattern in the predetermined direction, based on the read gray scale value of the line area in the vicinity of the line area corresponding to the end portion of the pattern.Type: ApplicationFiled: March 25, 2011Publication date: September 29, 2011Applicant: SEIKO EPSON CORPORATIONInventors: MASAHIKO YOSHIDA, TAKESHI YOSHIDA, MICHIAKI TOKUNAGA, TATSUYA NAKANO
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Publication number: 20110234677Abstract: A correction value acquisition method includes: forming parts of a test pattern and a linear scale on a medium of which a length in a predetermined direction is shorter than a length of the test pattern in the predetermined direction; detecting positions of the scales of the linear scale from image data obtained by reading the test pattern and the linear scale; obtaining a read density of the image data; and calculating a correction value based on the read density.Type: ApplicationFiled: March 24, 2011Publication date: September 29, 2011Applicant: Seiko Epson CorporationInventors: Michiaki Tokunaga, Masahiko Yoshida, Takeshi Yoshida, Tatsuya Nakano
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Patent number: 7992992Abstract: A transport amount correcting method, including; (A) storing in a memory, in regard to a medium of a predetermined size, correction values associated with relative positions of the medium and a head; and (B) when carrying out recording on the medium of the predetermined size, transporting the medium while correcting a target transport amount using a correction value associated with a relative position of the medium and the head, and when carrying out recording on a medium larger than the predetermined size, transporting the medium while correcting the target transport amount by using a portion of the correction values a plurality of times, the portion of the correction values being a portion of the correction values among the correction values used when the medium of the predetermined size is being transported by both an upstream side roller and a downstream side roller.Type: GrantFiled: August 21, 2007Date of Patent: August 9, 2011Assignee: Seiko Epson CorporationInventors: Tatsuya Nakano, Masahiko Yoshida, Bunji Ishimoto, Toru Miyamoto, Hirokazu Nunokawa, Yoichi Kakehashi
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Publication number: 20110182411Abstract: A particle beam treatment apparatus and an irradiation nozzle apparatus achieve a beam with a small diameter by a beam scanning irradiation method, and ensure a space for installation of a beam transport chamber in the irradiation nozzle apparatus. An X-ray tube is located outside the scanning type irradiation nozzle apparatus that includes scanning magnets, while an X-ray tube is located in an irradiation nozzle apparatus in a conventional structure. An X-ray detector is located inside the irradiation nozzle apparatus. The thickness of the X-ray detector in the direction of a beam axis is smaller and the structure thereof is simpler than that of the X-ray tube. This makes it possible to ensure the space for installation of the beam transport chamber in the irradiation nozzle apparatus and to increase the length of the beam transport chamber that is included in the irradiation nozzle apparatus.Type: ApplicationFiled: January 19, 2011Publication date: July 28, 2011Applicant: HITACHI, LTD.Inventors: Ryosuke SHINAGAWA, Koji MATSUDA, Tatsuya NAKANO
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Patent number: 7985866Abstract: Disclosed is an oxetane-containing vinyl ether compound including one or more aromatic or non-aromatic carbocycles and/or two or more vinyl ether structures, such as a compound of Formula: wherein Ring Z1 is non-aromatic carbocycle; Ra is vinyl group of Formula: wherein each of R1, R2, and R3 is hydrogen or C1-C4 alkyl; Wa is single bond or organic group having a valence of (m+1); X1 is, for example, hydrocarbon; “m” and “q” are each 1 or 2; and “p” is 0 to 5. Also disclosed is an alicyclic epoxy-containing vinyl ether compound of Formula: wherein Ring Z2 is non-aromatic carbocycle; Rb is vinyl group of Formula: wherein R4, R5 and R6 are each hydrogen or C1-C4 alkyl; Wb is single bond or organic group having a valence of (r+1); Rc and Rd are hydrogen or alkyl; and “r” and “s” are 1 or 2.Type: GrantFiled: March 20, 2008Date of Patent: July 26, 2011Assignee: Daicel Chemical Industries, Ltd.Inventors: Takahiro Iwahama, Tatsuya Nakano, Keizo Inoue, Hiroto Miyake, Tsukasa Yoshida, Mitsuru Ohno, Yoshinori Funaki
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Patent number: 7980655Abstract: A medium is carried to a predetermined position in a carrying direction. A first pattern is formed on the medium with nozzles on the carrying direction upstream side of a nozzle row constituted by a plurality of nozzles lined up at predetermined intervals. After forming the first pattern, the medium is carried in the carrying direction by a target carry amount that is shorter than the length in the carrying direction of the nozzle row. Along with forming on the medium a second pattern that forms a boundary with the first pattern with nozzles on the carrying direction downstream side of the nozzle row, a third pattern is formed on the medium with the nozzles on the carrying direction upstream side of the nozzle row.Type: GrantFiled: July 27, 2010Date of Patent: July 19, 2011Assignee: Seiko Epson CorporationInventors: Tatsuya Nakano, Masahiko Yoshida