Patents by Inventor Masahiro Nishiura
Masahiro Nishiura 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: 20230394653Abstract: An oral state evaluation system includes an information acquisition unit and an information analysis unit. The information acquisition unit acquires an oral cavity image including at least a first specific site in the oral cavity from the interface unit as input information. The information analysis unit analyzes the state of the first specific site based on the input information. The information analysis unit estimates the estimation information regarding the state of the second specific site in the oral cavity different from the first specific site from the analysis information of the state of the first specific site.Type: ApplicationFiled: October 10, 2021Publication date: December 7, 2023Inventors: Anri Ota, Sato Shimizu, Masahiro Nishiura, Michiaki Tosho
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Publication number: 20220356557Abstract: Provided is an Fe—Pt—BN-based sputtering target that has a high relative density and that suppresses particle generation. The Fe—Pt—BN-based sputtering target has, as a residue after dissolution in aqua regia measured by a procedure below, the particle size distribution in which D90 is 5.5 ?m or less and a proportion of fine particles smaller than 1 ?m is 35% or less. The procedure includes: (1) cutting out an about 4 mm-square sample piece from the sputtering target, followed by pulverizing to prepare a pulverized product; (2) classifying the pulverized product using sieves of 106 ?m and 300 ?m in opening size and collecting a powder that has passed through the 300 ?m sieve and remained on the 106 ?m sieve; (3) immersing the powder in aqua regia heated to 200° C. to prepare a residue-containing solution in which the powder has been dissolved; (4) filtering the residue-containing solution through a 5A filter paper specified in JIS P 3801 and drying a residue on the filter paper at 80° C.Type: ApplicationFiled: April 7, 2020Publication date: November 10, 2022Inventors: Takamichi Yamamoto, Masahiro Nishiura, Kenta Kurose, Hironori Kobayashi, Takanobu Miyashita, Tomoko Matsuda
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Publication number: 20220267892Abstract: A problem of particle generation in an Fe-Pt-BN-based sputtering target having a high relative density is resolved by an approach different from conventional methods. An Fe-Pt-BN-based sputtering target having a relative density of 90% or more and a Vickers hardness of 150 or less can reduce the number of particles generated during magnetron sputtering.Type: ApplicationFiled: May 22, 2020Publication date: August 25, 2022Inventors: Masahiro Nishiura, Takamichi Yamamoto, Kenta Kurose, Hironori Kobayashi, Takanobu Miyashita
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Patent number: 10925387Abstract: Provided are a toothbrush module, a toothbrush attachment, a brushing assistance system, a brushing evaluation system, a brushing assistance device, and a brushing assistance program that ease obtainment of a brushing action of a user even during brushing. A toothbrush attachment (2) includes: a sensor unit (21) that detects a predetermined physical quantity; a wireless transmission unit (22) that transmits a radio signal indicating the physical quantity detected by the sensor unit (21); a housing unit (201) that houses the sensor unit (21) and the wireless transmission unit (22); and a coupling mechanism (202) that removably attaches the housing unit (201) to a toothbrush (4).Type: GrantFiled: December 21, 2015Date of Patent: February 23, 2021Assignee: SUNSTAR INC.Inventors: Masahiro Nishiura, Kosuke Torii, Nobuharu Matsudomi, Yasuhiro Kawai, Hidekuni Takano
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Publication number: 20210040602Abstract: A sputtering target with suppressed aggregation of C particles and reduced generation of particles is provided. A C-containing sputtering target comprises Pt, C, and one or more selected from Fe and Co, where in a particle size distribution of a dissolution residue of the sputtering target, 90 percentile of the particle diameter based on the volume, D90 is 20.0 ?m or less, and particle size of less than 1.0 ?m accounts for 40% or less in cumulative volume distribution.Type: ApplicationFiled: April 22, 2019Publication date: February 11, 2021Inventors: Takamichi Yamamoto, Masahiro Nishiura, Kenta Kurose, Hironori Kobayashi, Takanobu Miyashita, Masahumi Nakano
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Publication number: 20210032741Abstract: Provided is an Fe—Pt-oxide-BN-based sintered compact for a high-density sputtering target that can suppress generation of particles during sputtering. The Fe—Pt-oxide-BN-based sintered compact for a sputtering target has a mass ratio of N to B (N/B) in a range of 1.30±0.1.Type: ApplicationFiled: March 18, 2019Publication date: February 4, 2021Inventors: Masahiro Nishiura, Takamichi Yamamoto, Kenta Kurose, Hironori Kobayashi, Takanobu Miyashita
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Patent number: 10787732Abstract: Through the present invention, a thin film containing an FePt-based alloy and carbon, the thin film being capable of being used as a magnetic recording medium, is enabled to be formed using one target, and amount of particles is enabled to be reduced. An FePt—C-based sputtering target containing Fe, Pt, and C, wherein the FePt—C-based sputtering target has a structure in which a C phase substantially being C is dispersed in an FePt-based alloy phase containing 33 mol % or more and 60 mol % or less of Pt with the balance substantially being Fe, an average value of the size indices a of the C phase is 4.0 ?m or more and 9.0 ?m or less, and an average value of the nonspherical indices b of the C phase is 3.0 or more.Type: GrantFiled: March 2, 2017Date of Patent: September 29, 2020Assignee: TANAKA KIKINZOKU KOGYO K.K.Inventors: Yasuyuki Goto, Takamichi Yamamoto, Masahiro Nishiura, Ryousuke Kushibiki
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Publication number: 20190292650Abstract: Through the present invention, a thin film containing an FePt-based alloy and carbon, the thin film being capable of being used as a magnetic recording medium, is enabled to be formed using one target, and amount of particles is enabled to be reduced. An FePt—C-based sputtering target containing Fe, Pt, and C, wherein the FePt—C-based sputtering target has a structure in which a C phase substantially being C is dispersed in an FePt-based alloy phase containing 33 mol % or more and 60 mol % or less of Pt with the balance substantially being Fe, an average value of the size indices a of the C phase is 4.0 ?m or more and 9.0 ?m or less, and an average value of the nonspherical indices b of the C phase is 3.0 or more.Type: ApplicationFiled: March 2, 2017Publication date: September 26, 2019Inventors: Yasuyuki GOTO, Takamichi YAMAMOTO, Masahiro NISHIURA, Ryousuke KUSHIBIKI
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Patent number: 10314676Abstract: Provided is an oral cleaning device capable of ensuring a sufficient ejection pressure for a cleaning liquid while employing a small and low-cost electric air pump with a low output. An oral cleaning device is provided with an air-tightly closable cleaning liquid tank 2 which stores a cleaning liquid, a cleaning liquid supply passage 24 which has an ejection port 4a for ejecting the cleaning liquid into the oral cavity on one end and an introduction port 23a open inside the bottom part of the cleaning liquid tank 2 on the other end, and an electric air pump 44 which supplies air into the cleaning liquid tank 2 to pressurize the inside of the cleaning liquid tank 2. The cleaning liquid inside the cleaning liquid tank 2 is supplied to the ejection port 4a through the cleaning liquid supply passage 24 by air pressure inside the cleaning liquid tank 2.Type: GrantFiled: October 24, 2013Date of Patent: June 11, 2019Assignee: SUNSTAR INC.Inventors: Yukinori Wada, Masahiro Nishiura
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Patent number: 10186404Abstract: An FePt—C-based sputtering target containing Fe, Pt, and C, wherein the FePt—C-based sputtering target has a structure in which primary particles of C that contain unavoidable impurities are dispersed in an FePt-based alloy phase containing 33 at % or more and 60 at % or less of Pt with the balance being Fe and unavoidable impurities, the primary particles of C being dispersed so as not to be in contact with each other.Type: GrantFiled: January 31, 2014Date of Patent: January 22, 2019Assignee: TANAKA KIKINZOKU KOGYO K.K.Inventors: Yasuyuki Goto, Takamichi Yamamoto, Masahiro Nishiura, Ryousuke Kushibiki
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Patent number: 10098434Abstract: Provided is a sprayer usable as a cosmetic mist device and an inhaler. The sprayer includes an air pump, a motor, a battery, a mist nozzle, a tank for storing a mist liquid concentrate, and a vertically long, cylindrical, main body case. The main body case is divided into front and back chambers by a division wall, and the tank is housed in the front chamber. The air pump, the motor, and an electrical component section including the battery are disposed, in this order, in the back chamber. The tank is formed in a vertically long shape occupying most of the front chamber without affecting an outer shape of the main body case. A grip portion is formed in a recessed manner at an upper portion of a back face of the main body case and the air pump and the motor are disposed near the grip portion.Type: GrantFiled: September 4, 2014Date of Patent: October 16, 2018Assignees: Sunstar Inc., Maxell Holdings, Ltd.Inventors: Masahiro Nishiura, Akio Yonetani, Hironobu Nagano, Kazuhiko Inoue, Yugo Watari, Yusuke Okamoto
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Patent number: 10020719Abstract: Provided is a linear actuator which is simple in structure, inexpensive to manufacture, in addition, has small magnetic leakage, and can provide a large inertial force without increasing the number of parts and weight.Type: GrantFiled: June 11, 2015Date of Patent: July 10, 2018Assignee: SUNSTAR INC.Inventor: Masahiro Nishiura
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Publication number: 20170318954Abstract: Provided are a toothbrush module, a toothbrush attachment, a brushing assistance system, a brushing evaluation system, a brushing assistance device, and a brushing assistance program that ease obtainment of a brushing action of a user even during brushing. A toothbrush attachment (2) includes: a sensor unit (21) that detects a predetermined physical quantity; a wireless transmission unit (22) that transmits a radio signal indicating the physical quantity detected by the sensor unit (21); a housing unit (201) that houses the sensor unit (21) and the wireless transmission unit (22); and a coupling mechanism (202) that removably attaches the housing unit (201) to a toothbrush (4).Type: ApplicationFiled: December 21, 2015Publication date: November 9, 2017Applicant: SUNSTAR INC.Inventors: Masahiro NISHIURA, Kosuke TORII, Nobuharu MATSUDOMI, Yasuhiro KAWAI, Hidekuni TAKANO
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Patent number: 9642684Abstract: An electric toothbrush with a thinner handle part to ensure the ease of manual tooth-brushing while improving the ease of a switch operation between the operating state and the stopped state, the electric toothbrush being configured to realize an effective oral cleaning by automatically giving a necessary mechanical assistance to a brush part according to the brushing state constantly varying during tooth-brushing depending on the cleaned part and the ways of holding and moving the toothbrush.Type: GrantFiled: March 7, 2014Date of Patent: May 9, 2017Assignee: SUNSTAR INC.Inventors: Kazuaki Yoshida, Masahiro Nishiura
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Publication number: 20160192760Abstract: Provided is a sprayer which can be used as a cosmetic mist device and an inhaler and includes a tank of a large capacity enough to dispense mist with a sufficient remaining amount of liquid when the sprayer is used heavily. The sprayer includes: an air pump 14; a motor 15; a battery 16; a mist nozzle 12; a tank 13; and a vertically long cylindrical main body case 1 for housing these respective devices. A mist opening 3 is open in an upper portion of a front wall 1a of the main body case 1 and the mist nozzle 12 is disposed on an inner side of the mist opening 3. An inside of the main body case 1 is divided into a front chamber 1A and a back chamber 1B by a division wall 23 and the tank 13 is housed in the front chamber 1A. The air pump 14, the motor 15, and an electrical component section 17 including the battery 16 are disposed in the mentioned order in the back chamber 1B.Type: ApplicationFiled: September 4, 2014Publication date: July 7, 2016Applicant: SUNSTAR INC.Inventors: Masahiro NISHIURA, Akio YONETANI, Hironobu NAGANO, Kazuhiko INOUE, Yugo WATARI, Yusuke OKAMOTO
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Patent number: 9370408Abstract: A vibrational frequency adjustment device comprises, as a vibrational frequency adjustment means (22): a first conversion means (40) which is provided with an input-side rotating member (41), an output-side rotating member (42), and a one-way clutch (44) for transmitting only the rotational motion in one direction of the input-side rotating member (41) to the output-side rotating member (42) and which, by causing the input-side rotating member (41) to pivot in a reciprocating manner by a set angle by means of the reciprocating linear motion of an output shaft (10), transmits only the forward motion or the reverse motion of the input-side rotating member (41) to the output-side rotating member (42) through the one-way clutch (44) to thereby rotate the output-side rotating member (42) by a given angle; and a second conversion means (50) which converts the rotational motion of the output-side rotating member (42) into the reciprocating linear motion of a second shaft member (43).Type: GrantFiled: August 9, 2010Date of Patent: June 21, 2016Assignee: SUNSTAR SUISSE SA.Inventors: Yukinori Wada, Masahiro Nishiura
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Patent number: 9358612Abstract: An FePt-based sputtering target contains Fe, Pt, and a metal oxide, and further contains one or more kinds of metal elements other than Fe and Pt, wherein the FePt-based sputtering target has a structure in which an FePt-based alloy phase and a metal oxide phase containing unavoidable impurities are mutually dispersed, the FePt-based alloy phase containing Pt in an amount of 40 at % or more and less than 60 at % and the one or more kinds of metal elements in an amount of more than 0 at % and 20 at % or less with the balance being Fe and unavoidable impurities and with the total amount of Pt and the one or more kinds of metal elements being 60 at % or less, and wherein the metal oxide is contained in an amount of 20 vol % or more and 40 vol % or less based on the total amount of the target.Type: GrantFiled: July 14, 2014Date of Patent: June 7, 2016Assignee: TANAKA KIKINZOKU KOGYO K.K.Inventors: Takanobu Miyashita, Yasuyuki Goto, Takamichi Yamamoto, Ryousuke Kushibiki, Masahiro Aono, Masahiro Nishiura
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Patent number: 9314845Abstract: A process for producing an FePt-based sputtering target includes adding C powder containing unavoidable impurities and metal oxide powder containing unavoidable impurities to FePt-based alloy powder containing Pt in an amount of 40 at % or more and 60 at % or less with the balance being Fe and unavoidable impurities so that the C powder and the metal oxide powder are contained to satisfy: 0<??20; 10??<40; and 20??+??40, where ? and ? represent contents of the C powder and the metal oxide powder by vol %, respectively, based on a total amount of the FePt-based alloy powder, the C powder, and the metal oxide powder, followed by mixing the FePt-based alloy powder, the C powder, and the metal oxide powder to produce a powder mixture.Type: GrantFiled: July 10, 2014Date of Patent: April 19, 2016Assignee: TANAKA KIKINZOKU KOGYO K.K.Inventors: Takanobu Miyashita, Yasuyuki Goto, Takamichi Yamamoto, Ryousuke Kushibiki, Masahiro Aono, Masahiro Nishiura
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Patent number: 9314846Abstract: A process for producing an FePt-based sputtering target includes adding metal oxide powder containing unavoidable impurities to FePt-based alloy powder containing Pt in an amount of 40 at % or more and less than 60 at % and one or more kinds of metal elements other than Fe and Pt in an amount of more than 0 at % and 20 at % or less with the balance being Fe and unavoidable impurities and with a total amount of Pt and the one or more kinds of metal elements being 60 at % or less so that the metal oxide powder accounts for 20 vol % or more and 40 vol % or less of a total amount of the FePt-based alloy powder and the metal oxide powder, followed by mixing the FePt-based alloy powder and the metal oxide powder to produce a powder mixture.Type: GrantFiled: July 14, 2014Date of Patent: April 19, 2016Assignee: TANAKA KIKINZOKU KOGYO K.K.Inventors: Takanobu Miyashita, Yasuyuki Goto, Takamichi Yamamoto, Ryousuke Kushibiki, Masahiro Aono, Masahiro Nishiura
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Patent number: D778056Type: GrantFiled: January 27, 2015Date of Patent: February 7, 2017Assignee: SUNSTAR INC.Inventors: Yukinori Wada, Kazuaki Yoshida, Masahiro Nishiura, Narito Tsuchida, Kieko Imai