公开(公告)号：US20220228048A1

公开(公告)日：2022-07-21

申请号：US17614807

申请日：2020-06-04

Applicant: AKITA UNIVERSITY ,  KANEKA CORPORATION

Inventor： Shigemi NAGANAWA ,  Ryutaro MUKAI

IPC: C09K8/035 ,  C09K8/12 ,  C09K8/52

Abstract: An object of the present invention is to provide an environmentally friendly drilling fluid that has excellent cuttings transport capability and excellent hole cleaning capability. A drilling fluid according to the present disclosure is a drilling fluid containing water, biodegradable fibers, and a thickener. The thickener contains a biodegradable polysaccharide. The content of the biodegradable polysaccharide in the drilling fluid is greater than or equal to 0.01 g/L and less than or equal to 5 g/L.

公开(公告)号：US10790086B2

公开(公告)日：2020-09-29

申请号：US15548761

申请日：2016-02-09

Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD. ,  AKITA UNIVERSITY ,  TSUCHIYA Co., Ltd.

Inventor： Mikio Muraoka ,  Nobuyuki Kamihara ,  Naomoto Ishikawa ,  Toshiyuki Takayanagi ,  Hideki Horizono ,  Hiroaki Hayashi ,  Osamu Yoshida ,  Kotaro Tsuji

IPC: H01F41/04 ,  C23C14/58 ,  B22F1/00 ,  D01F6/14 ,  D01D5/00 ,  B82Y40/00 ,  C23C14/20 ,  C23C14/34 ,  D01D1/02 ,  H01F27/28 ,  B22F1/02 ,  B82Y25/00 ,  B82B3/00

Abstract: Provided is a method of manufacturing a metal nano coil which is suitable for mass production and results in a lower manufacturing cost. The method of manufacturing a metal nano coil includes the steps of: forming, with tension applied to a core member composed of nanofiber of a polymer, a metal thin film on a surface of the core member to fabricate a metal-covered nanofiber; reducing the tension of the metal-covered nanofiber; and heating, with the tension reduced, the metal-covered nanofiber to at or above a boiling point or a thermal decomposition temperature of the polymer and at or below the melting point of the metal thin film to vaporize the core member and shrink the metal thin film into a coil form, so that a hollow metal nano coil is produced.

公开(公告)号：US20180025842A1

公开(公告)日：2018-01-25

申请号：US15548761

申请日：2016-02-09

Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD. ,  AKITA UNIVERSITY ,  TSUCHIYA Co., Ltd.

Inventor： Mikio MURAOKA ,  Nobuyuki KAMIHARA ,  Naomoto ISHIKAWA ,  Toshiyuki TAKAYANAGI ,  Hideki HORIZONO ,  Hiroaki HAYASHI ,  Osamu YOSHIDA ,  Kotaro TSUJI

IPC: H01F41/04 ,  H01F27/28 ,  C23C14/20 ,  C23C14/34 ,  D01D5/00 ,  D01D1/02

Abstract: Provided is a method of manufacturing a metal nano coil which is suitable for mass production and results in a lower manufacturing cost. The method of manufacturing a metal nano coil includes the steps of: forming, with tension applied to a core member composed of nanofiber of a polymer, a metal thin film on a surface of the core member to fabricate a metal-covered nanofiber; reducing the tension of the metal-covered nanofiber; and heating, with the tension reduced, the metal-covered nanofiber to at or above a boiling point or a thermal decomposition temperature of the polymer and at or below the melting point of the metal thin film to vaporize the core member and shrink the metal thin film into a coil form, so that a hollow metal nano coil is produced.

公开(公告)号：US20160361594A1

公开(公告)日：2016-12-15

申请号：US15176993

申请日：2016-06-08

Applicant: MIZUNO CORPORATION ,  AKITA UNIVERSITY

Inventor： Shohei SHIBATA ,  Takeshi NARUO ,  Kiyoshi HIROSE

IPC: A63B24/00 ,  A63B69/00

CPC classification number: A63B69/0002 ,  A63B71/0622 ,  A63B2069/0008 ,  A63B2071/0625 ,  A63B2071/0647 ,  A63B2071/065 ,  A63B2102/02 ,  A63B2102/04 ,  A63B2102/18 ,  A63B2102/182 ,  A63B2102/32 ,  A63B2208/0204 ,  A63B2220/17 ,  A63B2220/34 ,  A63B2220/40 ,  A63B2220/44 ,  A63B2220/833 ,  A63B2225/20 ,  A63B2225/50 ,  G06K9/00342 ,  G09B19/00 ,  G09B19/0038

Abstract: A swing analysis device for analyzing a swing of a ball hitting tool includes: an information input unit configured to receive input of acceleration information and angular velocity information detected by a sensor attached to the ball hitting tool; a posture calculation unit configured to calculate posture information of the ball hitting tool in the swing by applying a predetermined filter to the acceleration information and the angular velocity information; a correction unit configured to correct the posture information of the ball hitting tool in the swing based on the posture information of the ball hitting tool at a first time in the swing; and a swing information calculation unit configured to calculate a swing trajectory of the ball hitting tool based on the acceleration information and the posture information of the ball hitting tool corrected by the correction unit.

Abstract translation: 用于分析击球工具的摆动的摆动分析装置包括：信息输入单元，被配置为接收加速度信息的输入和由附接到击球工具的传感器检测的角速度信息; 姿势计算单元，被配置为通过对所述加速度信息和所述角速度信息应用​​预定的滤波器来计算所述摆动中的所述击球工具的姿势信息; 校正单元，被配置为基于摆动时的第一次的击球工具的姿势信息来校正摆动时的击球工具的姿势信息; 以及摆动信息计算单元，被配置为基于由所述校正单元校正的加速度信息和所述击球工具的姿势信息来计算所述击球工具的摆动轨迹。

公开(公告)号：US20160109478A1

公开(公告)日：2016-04-21

申请号：US14777667

申请日：2014-03-28

Applicant: AKITA UNIVERSITY ,  OSAKA UNIVERSITY

Inventor： Hitoshi SAITO ,  Satoru YOSHIMURA ,  Yukinori KINOSHITA ,  Hikaru NOMURA ,  Ryoichi NAKATANI

IPC: G01Q60/52

CPC classification number: G01Q60/52 ,  G01Q60/50 ,  G01Q60/54 ,  G01Q60/56

Abstract: A magnetic field measuring device including: a vibrational probe unit having a probe that includes one or more material(s) whose intensity of magnetization is proportionate to an external magnetic field, a mechanical vibration source for the probe; a vibration detector detecting a vibration frequency and amplitude of the probe; an alternating-current magnetic field generator applying to the probe an alternating-current magnetic field; a direct-current external magnetic field generator applying a direct-current external magnetic field to the probe; a frequency modulation detector detecting frequency modulation occurring to the mechanical vibration of the probe; a direct-current external magnetic field controller adjusting the intensity of the direct-current external magnetic field applied to the probe; and a direct-current magnetic field determination unit determining a value of the direct-current magnetic field originating from a specimen.

Abstract translation: 一种磁场测量装置，包括：振动探针单元，其具有探针，所述探针包括其强度与外部磁场成比例的一种或多种材料，所述探针的机械振动源; 检测探头的振动频率和振幅的振动检测器; 交流磁场发生器，向探头施加交流磁场; 将直流外部磁场施加到探针的直流外部磁场发生器; 检测对所述探针的机械振动发生的频率调制的频率调制检测器; 直流外部磁场控制器调节施加到探头的直流外部磁场的强度; 以及直流磁场确定单元，确定源自试样的直流磁场的值。

公开(公告)号：US09279523B2

公开(公告)日：2016-03-08

申请号：US14240097

申请日：2012-12-26

Applicant: YOSHIDA ANNY CO. LTD. ,  AKITA UNIVERSITY

Inventor： Yoshimi Komatsu ,  Yoshihiro Yoshida

IPC: E03B7/10 ,  F16L9/00 ,  E03B7/12

CPC classification number: F16L9/00 ,  E03B7/12 ,  F16L9/006 ,  Y10T29/49

Abstract: A drainpipe comprising a concentrating flow path to concentrate flow of fluid on an inner wall of the pipe, which makes it possible to inhibit freezing of the fluid hydrodynamically without providing heat energy from outside, to thereby prevent blockage of the pipe.

Abstract translation: 一种排水管，其包括集中流动路径，以将流体的流动集中在管的内壁上，这使得可以在不从外部提供热能的情况下以流体动力学方式抑制流体的冻结，从而防止管道堵塞。

公开(公告)号：US09222914B2

公开(公告)日：2015-12-29

申请号：US14347417

申请日：2012-09-25

Applicant: AKITA UNIVERSITY

Inventor： Hitoshi Saito ,  Satoru Yoshimura

IPC: G01R33/12 ,  G01N27/72 ,  G01Q30/04 ,  G01Q60/54 ,  G01R33/038 ,  B82Y35/00

CPC classification number: G01N27/725 ,  B82Y35/00 ,  G01Q30/04 ,  G01Q60/54 ,  G01R33/0385

Abstract: A magnetic profile measuring device which scans a space where an alternating-current magnetic field exists by a magnetized probe on a tip of a driven cantilever, detects vibration of the cantilever, and generates an image of magnetic field distribution of the space, the device including: the cantilever having the probe equipped on the tip thereof; a driver driving the cantilever; a vibration sensor detecting vibration of the probe wherein the driven vibration of the cantilever is frequency-modulated by the alternating-current magnetic field; a demodulator demodulating from a detection signal of the vibration sensor a magnetic signal corresponding to an alternating-current magnetic field; a scanning mechanism; a data storage storing an initial data for each coordinate of the space; a modified data generator recalling the initial data from the data storage and generating a plurality of data by modifying the phase of the initial data; and an image display device.

Abstract translation: 扫描由驱动悬臂的尖端上的磁化探针存在交流磁场的空间的磁轮廓测量装置检测悬臂的振动，并产生空间的磁场分布图像，该装置包括 ：悬臂，其顶部装有探头; 驾驶悬臂的司机 振动传感器，其检测所述探针的振动，其中所述悬臂的驱动振动由所述交流磁场进行调频; 解调器，根据所述振动传感器的检测信号，对应于交流磁场的磁信号进行解调; 扫描机制; 存储空间的每个坐标的初始数据的数据存储器; 修改后的数据生成器通过修改初始数据的相位来从数据存储器回调初始数据并产生多个数据; 和图像显示装置。

公开(公告)号：US08891190B1

公开(公告)日：2014-11-18

申请号：US14358171

申请日：2012-10-31

Applicant: Akita University

Inventor： Satoru Yoshimura ,  Hitoshi Saito

IPC: G11B5/09 ,  G11B9/00

CPC classification number: G11B5/09 ,  G11B5/64 ,  G11B9/02 ,  G11B11/26 ,  G11B2005/0005

Abstract: An electric field writing magnetic storage device including: a rotatable disk including a substrate and a magnetic recording film provided on a surface of the substrate, the magnetic recording film including at least one ferromagnetic and ferroelectric layer; a writing device writing information into the magnetic recording film by means of an electric field, the writing device including a writing electrode generating a dielectric flux between the writing electrode and the substrate by having electric potential to the substrate; and a writing circuit choosing one electric potential among plurality of electric potential level and applying the chosen one electric potential to the writing electrode in every operation of writing information, wherein the dielectric flux generated according to the electric potential applied to the writing electrode by the writing circuit magnetizes the ferromagnetic and ferroelectric layer in a specific direction.

Abstract translation: 一种电场写入磁存储装置，包括：包括基板的旋转盘和设置在所述基板的表面上的磁记录膜，所述磁记录膜包括至少一个铁磁层和铁电层; 写入装置通过电场将信息写入到磁记录膜中，所述写入装置包括通过向所述基板施加电势而在所述写入电极和所述基板之间产生介电磁通的写入电极; 以及写入电路，其在多个电位电平中选择一个电位，并且在写入信息的每个操作中将所选择的一个电位施加到写入电极，其中根据通过写入施加到写入电极的电位产生的介电通量 电路沿特定方向磁化铁磁层和铁电层。

公开(公告)号：US20140182731A1

公开(公告)日：2014-07-03

申请号：US14240097

申请日：2012-12-26

Applicant: AKITA UNIVERSITY ,  YOSHIDA ANNY CO. LTD.

Inventor： Yoshimi Komatsu ,  Yoshihiro Yoshida

IPC: F16L9/00

CPC classification number: F16L9/00 ,  E03B7/12 ,  F16L9/006 ,  Y10T29/49

Abstract: A drainpipe comprising a concentrating flow path to concentrate flow of fluid on an inner wall of the pipe, which makes it possible to inhibit freezing of the fluid hydrodynamically without providing heat energy from outside, to thereby prevent blockage of the pipe.

Abstract translation: 一种排水管，其包括集中流动路径，以将流体的流动集中在管的内壁上，这使得可以在不从外部提供热能的情况下以流体动力学方式抑制流体的冻结，从而防止管道堵塞。

公开(公告)号：US20130283975A1

公开(公告)日：2013-10-31

申请号：US13868546

申请日：2013-04-23

Applicant: NATIONAL UNIVERSITY CORPORATION AKITA UNIVERSITY ,  MITSUBISHI HEAVY INDUSTRIES, LTD.

Inventor： Masashi Kiyosawa ,  Katsumi Nochi ,  Norihisa Kobayashi ,  Kozo Iida ,  Katsuyasu Sugawara ,  Yuuki Mochizuki

IPC: C22B34/36 ,  C22B34/12

CPC classification number: C22B34/365 ,  C22B34/1222 ,  C22B34/225 ,  Y02P10/23

Abstract: A separation and recovery method that enables titanium and tungsten to be separated and recovered from a used DeNOx catalyst in high yield. Specifically, a method of separating and recovering metal elements that includes a first heating step of heating a DeNOx catalyst containing titanium, tungsten, vanadium and iron in a chlorine atmosphere, thereby removing the vanadium and the iron from the DeNOx catalyst, and a second heating step, performed after the first heating step, of heating the DeNOx catalyst in a chlorine atmosphere while the catalyst is exposed to a gas of a hydrocarbon compound (excluding CH4) or an oxygen-containing carbon compound, thereby volatilizing the tungsten and the titanium from the DeNOx catalyst, and recovering the tungsten and the titanium from the DeNOx catalyst.

Abstract translation: 一种分离和回收方法，使得钛和钨能够以高产率从使用的DeNOx催化剂中分离和回收。 具体地说，一种金属元素的分离回收方法，其特征在于，包括在氯气氛中加热含有钛，钨，钒，铁的脱硝催化剂的第一加热工序，从脱硝催化剂除去钒和铁， 在第一加热步骤之后，在催化剂暴露于烃化合物（不包括CH 4）或含氧碳化合物的气体的同时，在氯气氛中加热DeNOx催化剂，从而使钨和钛从 DeNOx催化剂，并从DeNOx催化剂中回收钨和钛。