Patents by Inventor Kosuke Nishimura
Kosuke Nishimura 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: 20240133393Abstract: A turbo-type fluid machine includes a shaft configured to be rotationally driven, a compression mechanism having an impeller, and a coupling portion coupling an end portion of the shaft and the impeller with each other. The coupling portion is provided with a balance adjustment mechanism.Type: ApplicationFiled: January 3, 2024Publication date: April 25, 2024Inventors: Arihiro IWATA, Kosuke NISHIMURA, Koichi TANAKA, Daigo FUKUDA, Yuki KAWACHIYA
-
Publication number: 20230417459Abstract: A refrigeration cycle apparatus includes a refrigerant circuit and an adsorbent. The refrigerant circuit includes a compressor that compresses a refrigerant. The refrigerant circuit configures a vapor compression refrigeration cycle in which the refrigerant circulates. The adsorbent adsorbs and desorbs the refrigerant circulating in the refrigerant circuit. The adsorbent adsorbs and desorbs the refrigerant in accordance with a change in a pressure of the refrigerant circulating in the refrigerant circuit.Type: ApplicationFiled: June 27, 2023Publication date: December 28, 2023Applicants: DAIKIN INDUSTRIES, LTD., The University of TokyoInventors: Eiji KUMAKURA, Ryuhei KAJI, Hiroki UEDA, Masaki TANAKA, Kosuke NISHIMURA, Kazuhiro FURUSHO, Yoshimasa KIKUCHI, Hirofumi DAIGUJI, Arun MAJUMDAR, Wei-Lun HSU, Jubair Ahmed SHAMIM
-
Patent number: 11828293Abstract: A closed impeller (1) includes an impeller main body (2), which is composed of an aluminum alloy and has blades (22) that protrude from a hub (21). A shroud (3) covers the blades. The blades and the shroud are joined together by brazed joints (4). The shroud (3) is formed from a brazing sheet (30) that comprises a core material (31), which is composed of an aluminum alloy, and a filler material layer (320), which is disposed on an outermost surface (33) of the shroud that opposes or faces the blades when the shroud is brazed to the blades.Type: GrantFiled: November 26, 2019Date of Patent: November 28, 2023Assignees: DAIKIN INDUSTRIES, LTD, UACJ CORPORATIONInventors: Tadashi Okada, Kosuke Nishimura, Kaoru Ueda, Yasunaga Itoh
-
Publication number: 20220166517Abstract: An optical transmitter configured to transmit an optical signal to a photodiode includes: an angle modulator configured to perform angle modulation with respect to a transmission signal; and an optical tone signal generator configured to generate an optical tone signal, and the optical transmitter transmits an optical signal that includes a single sideband signal corresponding to an angle modulated transmission electrical signal and the optical tone signal that is disposed on a higher frequency side or a lower frequency side of a frequency band of the single sideband signal.Type: ApplicationFiled: February 7, 2022Publication date: May 26, 2022Applicant: KDDI CORPORATIONInventors: Shota ISHIMURA, Hsuan-Yun KAO, Kazuki TANAKA, Kosuke NISHIMURA, Masatoshi SUZUKI
-
Publication number: 20220025898Abstract: A closed impeller (1) includes an impeller main body (2), which is composed of an aluminum alloy and has blades (22) that protrude from a hub (21). A shroud (3) covers the blades. The blades and the shroud are joined together by brazed joints (4). The shroud (3) is formed from a brazing sheet (30) that comprises a core material (31), which is composed of an aluminum alloy, and a filler material layer (320), which is disposed on on an outermost surface (33) of the shroud that opposes or faces the blades when the shroud is brazed to the blades.Type: ApplicationFiled: November 26, 2019Publication date: January 27, 2022Inventors: Tadashi OKADA, Kosuke NISHIMURA, Kaoru UEDA, Yasunaga ITOH
-
Patent number: 10804003Abstract: Provided is a conductive paste for forming a solar cell electrode containing a glass frit component (A) as glass frit (II), the glass frit component (A) containing the following in the content ratio to the total molar number in terms of oxide: (a) 30 to 70 mol % of tellurium element, (b) 18 to 30 mol % of tungsten element, (c) 5 to 30 mol % of zinc element, (d) 1 to 15 mol % of boron element, (e) 0.3 to 5 mol % of aluminum element, (f) 0.3 to 7 mol % of one or more selected from rare earth elements in terms of oxide, and (g) 0.1 to 7 mol % of one or more selected from the group consisting of tin, lithium, and barium elements in terms of oxide. The conductive paste may have better electric characteristics and a small variation in the characteristics even at a relatively low firing temperature (for example, 760° C.).Type: GrantFiled: September 26, 2018Date of Patent: October 13, 2020Assignee: SHOEI CHEMICAL INC.Inventors: Masayuki Kurahashi, Naoto Shindo, Kosuke Nishimura
-
Publication number: 20200273597Abstract: Provided is a conductive paste for forming a solar cell electrode containing a glass frit component (A) as glass frit (II), the glass frit component (A) containing the following in the content ratio to the total molar number in terms of oxide: (a) 30 to 70 mol % of tellurium element, (b) 18 to 30 mol % of tungsten element, (c) 5 to 30 mol % of zinc element, (d) 1 to 15 mol % of boron element, (e) 0.3 to 5 mol % of aluminum element, (f) 0.3 to 7 mol % of one or more selected from rare earth elements in terms of oxide, and (g) 0.1 to 7 mol % of one or more selected from the group consisting of tin, lithium, and barium elements in terms of oxide. The conductive paste may have better electric characteristics and a small variation in the characteristics even at a relatively low firing temperature (for example, 760° C.).Type: ApplicationFiled: September 26, 2018Publication date: August 27, 2020Inventors: Masayuki KURAHASHI, Naoto SHINDO, Kosuke NISHIMURA
-
Patent number: 10666362Abstract: An optical transmission system in which a transmitting station and a plurality of receiving stations are connected via an optical splitter, wherein the transmitting station includes: a controller configured to determine whether to perform intensity modulation or phase modulation on optical signals based on information on transmission distances to the receiving stations and modulation bands; an intensity modulator configured to perform intensity modulation on an optical signal; and a phase modulator configured to perform phase modulation on an optical signal, and wherein one of an intensity modulation signal and a phase modulation signal is transmitted from the transmitting station to each of the receiving stations.Type: GrantFiled: June 3, 2019Date of Patent: May 26, 2020Assignee: KDDI CORPORATIONInventors: Shota Ishimura, Kazuki Tanaka, Kosuke Nishimura, Masatoshi Suzuki
-
Publication number: 20190288777Abstract: An optical transmission system in which a transmitting station and a plurality of receiving stations are connected via an optical splitter, wherein the transmitting station includes: a controller configured to determine whether to perform intensity modulation or phase modulation on optical signals based on information on transmission distances to the receiving stations and modulation bands; an intensity modulator configured to perform intensity modulation on an optical signal; and a phase modulator configured to perform phase modulation on an optical signal, and wherein one of an intensity modulation signal and a phase modulation signal is transmitted from the transmitting station to each of the receiving stations.Type: ApplicationFiled: June 3, 2019Publication date: September 19, 2019Inventors: Shota ISHIMURA, Kazuki TANAKA, Kosuke NISHIMURA, Masatoshi SUZUKI
-
Publication number: 20120254295Abstract: The present invention provides a service request reception control method which refuses a reception of the new service request without knowing the available quantity of hardware resource prospectively and without knowing the bottleneck reason prospectively. The service request reception control method for reception control in a server device receiving a processing request from a plurality of client apparatuses comprises the steps of calculating a mean time required for a series of processing to the request from the client apparatus; determining a load state of service by comparing the mean time with a targeted service processing time; and refusing a request reception from the client apparatus based on the load state.Type: ApplicationFiled: January 30, 2012Publication date: October 4, 2012Applicant: KDDI CORPORATIONInventors: Nobutaka MATSUMOTO, Michiaki HAYASHI, Kosuke NISHIMURA
-
Patent number: 8213987Abstract: A terminal device usable in connection with an external display device is disclosed, which receives a plurality of sub-image data sets into which an original image data set has been divided, with each sub-image data set having a size within a display area size of the terminal device; converts an image format of the plurality of sub-image data sets into the same image-format as an image format of the external display device, on a per-sub-image-data-set basis; regenerates the original image data set from the plurality of format-converted sub-image data sets, such that the original image data set is formed in its entirety or in plural data blocks; and outputs the regenerated original-image-data-set to the external display device.Type: GrantFiled: January 28, 2010Date of Patent: July 3, 2012Assignee: KDDI CorporationInventors: Reiko Takizuka, Kosuke Nishimura
-
Publication number: 20100210303Abstract: A terminal device usable in connection with an external display device is disclosed, which receives a plurality of sub-image data sets into which an original image data set has been divided, with each sub-image data set having a size within a display area size of the terminal device; converts an image format of the plurality of sub-image data sets into the same image-format as an image format of the external display device, on a per-sub-image-data-set basis; regenerates the original image data set from the plurality of format-converted sub-image data sets, such that the original image data set is formed in its entirety or in plural data blocks; and outputs the regenerated original-image-data-set to the external display device.Type: ApplicationFiled: January 28, 2010Publication date: August 19, 2010Applicant: KDDI CORPORATIONInventors: Reiko Takizuka, Kosuke Nishimura
-
Patent number: 7388318Abstract: A thin film piezoelectric device includes a substrate (12) having via holes (22) and a piezoelectric laminated structure (14) consisting of a lower electrode (15), a piezoelectric film (16), and an upper electrode (17) formed on the substrate (12) via an insulation layer (13). A plurality of thin film piezoelectric resonators (210, 220) are formed for the via holes (22). The piezoelectric laminated structure (14) includes diaphragms (23) located to face the via holes (22) and a support area other than those. The thin film piezoelectric resonators (210, 220) are electrically connected by the lower electrode (15). When the straight line in the substrate plane passing through the centers (1, 2) of the diaphragms (23) of the thin film piezoelectric resonators (210, 220) has the length D1 of the segment passing through the support area and the distance between the centers of the diaphragms of the thin film piezoelectric resonators (210, 220) is D0,the ratio D1/D0 is 0.1 to 0.5.Type: GrantFiled: June 20, 2003Date of Patent: June 17, 2008Assignee: UBE Industries, Ltd.Inventors: Tetsuo Yamada, Kosuke Nishimura, Keigo Nagao
-
Publication number: 20060202769Abstract: A piezoelectric thin film device (10) comprising a substrate (12) having a vibration space (20), and a piezoelectric lamination structure (14) formed on the upper surface of the substrate, the piezoelectric lamination structure comprising a piezoelectric film (16) and a lower electrode (15) and upper electrode (17) which are formed on opposite surfaces thereof, respectively, the vibration space (20) being so formed as to allow the vibration of a vibrating section (23) constituted by including at least part of the piezoelectric lamination structure (14) and part of an insulating layer (13). The vibrating space (20) is composed of a first via hole (21) formed from the lower surface of the substrate (12) toward the upper surface thereof so as to form an intermediate surface (25) in the substrate, and a second via hole (22) formed from the intermediate surface (23) toward the upper surface of the substrate so as to be positioned inside the first via hole (21) as seen vertically.Type: ApplicationFiled: March 30, 2004Publication date: September 14, 2006Inventors: Keigo Nagao, Kosuke Nishimura, Tetsuo Yamada, Osamu Otani, Sakae Matsuzaki
-
Patent number: 7035495Abstract: A chromatic dispersion device according to the invention comprises an input/output waveguide, a plurality of first ring waveguides and a second ring waveguide. The plurality of first ring waveguides optically couple with the input/output waveguide through directional coupling and are disposed along an optical axis direction of the input/output waveguide, each ring waveguide having a predetermined FSR (free spectral range) and group delay characteristics with a peak value of the same polarity. The second ring waveguide optically couples with the input/output waveguide through directional coupling, the second ring waveguide having the predetermined FSR and group delay characteristics with a peak value of a polarity different from those of the first ring waveguides.Type: GrantFiled: October 13, 2004Date of Patent: April 25, 2006Assignee: KDDI CorporationInventors: Hidenori Takahashi, Ryo Inohara, Kosuke Nishimura, Masashi Usami
-
Publication number: 20050248238Abstract: A thin film piezoelectric device includes a substrate (12) having via holes (22) and a piezoelectric laminated structure (14) consisting of a lower electrode (15), a piezoelectric film (16), and an upper electrode (17) formed on the substrate (12) via an insulation layer (13). A plurality of thin film piezoelectric resonators (210, 220) are formed for the via holes (22). The piezoelectric laminated structure (14) includes diaphragms (23) located to face the via holes (22) and a support area other than those. The thin film piezoelectric resonators (210, 220) are electrically connected by the lower electrode (15). When the straight line in the substrate plane passing through the centers (1, 2) of the diaphragms (23) of the thin film piezoelectric resonators (210, 220) has the length D1 of the segment passing through the support area and the distance between the centers of the diaphragms of the thin film piezoelectric resonators (210, 220) is D0,the ratio D1/D0 is 0.1 to 0.5.Type: ApplicationFiled: June 20, 2003Publication date: November 10, 2005Inventors: Tetsuo Yamada, Kosuke Nishimura, Keigo Nagao
-
Publication number: 20050117842Abstract: A chromatic dispersion device according to the invention comprises an input/output waveguide, a plurality of first ring waveguides and a second ring waveguide. The plurality of first ring waveguides optically couple with the input/output waveguide through directional coupling and are disposed along an optical axis direction of the input/output waveguide, each ring waveguide having a predetermined FSR (free spectral range) and group delay characteristics with a peak value of the same polarity. The second ring waveguide optically couples with the input/output waveguide through directional coupling, the second ring waveguide having the predetermined FSR and group delay characteristics with a peak value of a polarity different from those of the first ring waveguides.Type: ApplicationFiled: October 13, 2004Publication date: June 2, 2005Inventors: Hidenori Takahashi, Ryo Inohara, Kosuke Nishimura, Masashi Usami
-
Patent number: 6885262Abstract: A band-pass filter has a ladder-type circuit including first and second terminals whose characteristic impedances are Z0, and series elements and shunt elements disposed between a first terminal and a second terminal, each of the series elements and shunt elements containing a film bulk acoustic resonator. Assuming that characteristic impedance of any one of the series elements is Z1 and that characteristic impedance of any one of the shunt elements is Z2, the characteristic impedances Z0, Z1, and Z2 have a relation of 1<(Z1/Z0)<2, preferably 1.3<(Z1/Z0)<1.7, and 0.5<(Z2/Z0)<1, preferably 0.6<(Z2/Z0)<0.8.Type: GrantFiled: October 30, 2003Date of Patent: April 26, 2005Assignee: Ube Industries, Ltd.Inventors: Kosuke Nishimura, Masataka Fujinaga, Masahide Kondo
-
Patent number: 6885260Abstract: A transmission band filter (110) having a series of elements (111, 113, 115) each composed of a film bulk acoustic resonator and grounded shunt elements (112, 114) each composed of a film bulk acoustic resonator is connected between a transmission port (102) and an antenna port (106). A reception band filter (130) having a series of elements (131, 133, 135) each composed of a film bulk acoustic resonator and grounded shunt elements (132, 134, 136) each composed of a film bulk acoustic resonator is connected between a reception port (104) and the antenna port (106). A film bulk acoustic resonator (150) for adjustment is connected between the antenna port (106) and the ground. The resonance frequency of the adjusting film bulk acoustic resonator (150) lies between the upper limit frequency of the transmission frequency pass band of the transmission band filter (110) and the lower limit frequency of the reception frequency pass band of the reception band filter (130).Type: GrantFiled: May 10, 2002Date of Patent: April 26, 2005Assignee: UBE Industries, Ltd.Inventors: Kosuke Nishimura, Keigo Nagao, Chisen Hashimoto, Eiji Masui, Hirofumi Kimura
-
Publication number: 20050053385Abstract: A first semiconductor optical amplifier is disposed on a first arm of a Mach-Zehnder interferometer and a second semiconductor optical amplifier is disposed on a second arm. An optical splitter splits a probe light into two portions and applies one portion to the first arm and the other to the second arm. A first optical coupler combines the probe lights output from the first and second arms. A second optical splitter splits a data light into two portions. A second optical coupler applies one output from the second optical splitter to the first arm in the backward direction. A third optical coupler applies the other output from the second optical splitter to the second arm in the forward direction.Type: ApplicationFiled: September 2, 2004Publication date: March 10, 2005Inventors: Kosuke Nishimura, Masashi Usami