公开(公告)号：US20230211550A1

公开(公告)日：2023-07-06

申请号：US18149368

申请日：2023-01-03

申请人： Koji TAKIMOTO ,  Shinichiroh Satoh ,  Keisuke Shiba ,  Yuki Shingai ,  Noriaki Okada ,  Yuji Nagatomo ,  Tomoki Kai ,  Hisataka Takagi ,  Yoichi Ito ,  Tsuyoshi Arao ,  Takashi Matsumura ,  Tomomi Akieda

发明人： Koji TAKIMOTO ,  Shinichiroh Satoh ,  Keisuke Shiba ,  Yuki Shingai ,  Noriaki Okada ,  Yuji Nagatomo ,  Tomoki Kai ,  Hisataka Takagi ,  Yoichi Ito ,  Tsuyoshi Arao ,  Takashi Matsumura ,  Tomomi Akieda

IPC分类号： B29C64/165 ,  B29C64/209

CPC分类号： B29C64/165 ,  B29C64/209 ,  B29K2305/02

摘要： A liquid fabrication applied to a layer of powder containing an inorganic particle, wherein the liquid fabrication has a powder contact angle with the inorganic particle of 50 degrees or greater and satisfies the following relationship 1: γcosθ/η≤1.5 m/s, where θ represents the powder contact angle, γ represents a surface tension in mN/m of the liquid fabrication at 23 degrees C., and η represents a viscosity in mPa·s of the liquid fabrication at 25 degrees C.

公开(公告)号：US20230264422A1

公开(公告)日：2023-08-24

申请号：US18169986

申请日：2023-02-16

申请人： Yoichi Ito ,  Tsuyoshi Arao ,  Tomomi Akieda ,  Takashi Matsumura

发明人： Yoichi Ito ,  Tsuyoshi Arao ,  Tomomi Akieda ,  Takashi Matsumura

IPC分类号： B29C64/35 ,  B33Y30/00 ,  B29C64/393 ,  B33Y50/02 ,  B29C64/112 ,  B33Y40/00 ,  B33Y10/00

CPC分类号： B29C64/35 ,  B29C64/112 ,  B29C64/393 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00 ,  B33Y50/02

摘要： A three-dimensional fabricating apparatus includes a discharge head, a detector, a non-contact cleaner, and a controller. The discharge head discharges droplets to fabricate a three-dimensional object. The detector detects a state of the discharge head. The non-contact cleaner cleans the discharge head in a non-contact manner. The controller controls an operation of the three-dimensional fabricating apparatus according to the state of the discharge head detected by the detector after the non-contact cleaner cleans the discharge head.

公开(公告)号：US11787122B2

公开(公告)日：2023-10-17

申请号：US17215188

申请日：2021-03-29

申请人： Yoichi Ito ,  Tsuyoshi Arao ,  Yoichi Sakurai ,  Tomomi Akieda

发明人： Yoichi Ito ,  Tsuyoshi Arao ,  Yoichi Sakurai ,  Tomomi Akieda

IPC分类号： B29C64/393 ,  B29C64/209 ,  B33Y10/00 ,  B33Y50/02

CPC分类号： B29C64/393 ,  B29C64/209 ,  B33Y10/00 ,  B33Y50/02

摘要： A droplet discharge apparatus includes a discharge head including a nozzle, a nozzle surface observation device, and processing circuitry. The discharge head including the nozzle is configured to discharge a droplet onto a discharge receiving medium formed of powder. The nozzle surface observation device is configured to observe a nozzle surface of the nozzle of the discharge head. The processing circuitry is configured to calculate an adhesion amount of attached matter to the nozzle surface based on an observation result of the nozzle surface observation device. The processing circuitry is configured to determine, based on a calculation result of the adhesion amount of the attached matter, an operation on a control target that controls at least one of a mass and a discharge speed of the droplet.

公开(公告)号：US20190255766A1

公开(公告)日：2019-08-22

申请号：US16276819

申请日：2019-02-15

申请人： Yoshinobu TAKEYAMA ,  Yoichi Ito ,  Atsushi Takai ,  Tsuyoshi Arao ,  Tomomi Akieda

发明人： Yoshinobu TAKEYAMA ,  Yoichi Ito ,  Atsushi Takai ,  Tsuyoshi Arao ,  Tomomi Akieda

IPC分类号： B29C64/118 ,  B29C64/209 ,  B29C64/295

摘要： A fabricating apparatus includes a heater, a discharger, and circuitry. The heater is configured to heat a first fabrication material layer formed of a fabrication material. The discharger is configured to discharge a melted fabrication material onto the first fabrication material layer heated by the heater, to stack a second fabrication material layer on the first fabrication material layer. The circuitry is configured to control a heating amount of the heater according to shape data when the heater heats the first fabrication material layer.

公开(公告)号：US20200262153A1

公开(公告)日：2020-08-20

申请号：US16787170

申请日：2020-02-11

申请人： Tsuyoshi Arao ,  Yoichi Ito ,  Atsushi Takai ,  Yoshinobu Takeyama ,  Soichi Nakamura ,  Masato Tsuji ,  Hirotoshi Nakayama ,  Shota Hayakawa

发明人： Tsuyoshi Arao ,  Yoichi Ito ,  Atsushi Takai ,  Yoshinobu Takeyama ,  Soichi Nakamura ,  Masato Tsuji ,  Hirotoshi Nakayama ,  Shota Hayakawa

IPC分类号： B29C64/393 ,  B29C64/20 ,  B29C64/118 ,  B29C64/135

摘要： A fabricating apparatus is configured to fabricate a three-dimensional object, the apparatus includes a discharging device, a heating device, and control circuitry. The discharging device is configured to discharge a fabrication material to form a fabrication material layer. The heating device is configured to heat the fabrication material layer formed by the discharging device. The control circuitry is configured to control at least one of a heating range of the fabrication material layer heated by the heating device and a heating energy applied to the fabrication material layer by the heating device when the discharging device discharges the fabrication material to laminate another fabrication material layer on the fabrication material layer heated by the heating device.

公开(公告)号：US11036203B2

公开(公告)日：2021-06-15

申请号：US16352026

申请日：2019-03-13

申请人： Wataru Sugawara ,  Hiroshi Maeda ,  Yoshinobu Takeyama ,  Tsukasa Matsuoka ,  Yoichi Ito ,  Shingo Nagatsuka

发明人： Wataru Sugawara ,  Hiroshi Maeda ,  Yoshinobu Takeyama ,  Tsukasa Matsuoka ,  Yoichi Ito ,  Shingo Nagatsuka

IPC分类号： G05B19/4099 ,  B33Y50/02 ,  G01B11/24 ,  B29C64/393 ,  G06F30/20

摘要： A fabrication system for fabricating a three-dimensional object includes processing circuitry. The processing circuitry estimates, according to a fabrication condition and fabrication data, a three-dimensional object to be fabricated according to the fabrication data and corrects the fabrication data according to an estimation result of the three-dimensional object estimated by the processing circuitry.

公开(公告)号：US09607358B2

公开(公告)日：2017-03-28

申请号：US14384027

申请日：2013-03-11

申请人： Hirokazu Takenaka ,  Yoshiaki Irino ,  Tomonori Tanaka ,  Nozomi Imae ,  Hideaki Yamamoto ,  Kensuke Masuda ,  Yoichi Ito ,  Satoshi Sawaguchi ,  Daisuke Bessho ,  Hiroyuki Satoh ,  Makoto Shohara ,  Noriyuki Terao ,  Toru Harada

发明人： Hirokazu Takenaka ,  Yoshiaki Irino ,  Tomonori Tanaka ,  Nozomi Imae ,  Hideaki Yamamoto ,  Kensuke Masuda ,  Yoichi Ito ,  Satoshi Sawaguchi ,  Daisuke Bessho ,  Hiroyuki Satoh ,  Makoto Shohara ,  Noriyuki Terao ,  Toru Harada

IPC分类号： H04N5/225 ,  G02B13/16 ,  G06T3/00 ,  H04N5/232

CPC分类号： G06T3/0062 ,  H04N5/23238

摘要： An image capturing apparatus includes a tilt detection unit that detects a tilt in the vertical direction, conversion data used for transforming plane coordinates into spherical coordinates, a correction unit that corrects the conversion data according to the tilt, a plurality of image capturing units, a coordinate transformation unit that transforms plane coordinates of a plurality of pixels included in images captured by the image capturing units into spherical coordinates according to the conversion data corrected by the correction unit, and a combining unit that combines the images including the pixels transformed into spherical coordinates by the coordinate transformation unit.

公开(公告)号：US20150222816A1

公开(公告)日：2015-08-06

申请号：US14419556

申请日：2013-09-03

申请人： Makoto Shohara ,  Yoshiaki Irino ,  Tomonori Tanaka ,  Nozomi Imae ,  Hirokazu Takenaka ,  Hideaki Yamamoto ,  Kensuke Masuda ,  Yoichi Ito ,  Satoshi Sawaguchi ,  Daisuke Bessho ,  Hiroyuki Satoh

发明人： Makoto Shohara ,  Yoshiaki Irino ,  Tomonori Tanaka ,  Nozomi Imae ,  Hirokazu Takenaka ,  Hideaki Yamamoto ,  Kensuke Masuda ,  Yoichi Ito ,  Satoshi Sawaguchi ,  Daisuke Bessho ,  Hiroyuki Satoh

IPC分类号： H04N5/232

CPC分类号： H04N5/23238 ,  G03B7/08 ,  G03B37/04 ,  H04N5/2173 ,  H04N5/2258 ,  H04N5/235 ,  H04N5/2351

摘要： An imaging controller includes an index calculator to calculate an index value for each of divided areas of images captured by a plurality of imaging units, the index value for evaluating a photographic state of each of the divided areas, an evaluation value calculator to evaluate the images and an overlapping area between the images on the basis of the index value of each divided area calculated by the index calculator and calculate an overall evaluation value, and a condition determiner to determine an imaging condition for each of the imaging units on the basis of the overall evaluation value calculated by the evaluation value calculator.

摘要翻译： 成像控制器包括：索引计算器，用于计算由多个成像单元捕获的每个分割区域的指标值，用于评估每个分割区域的拍摄状态的指标值;评估图像的评估值计算器 以及基于由所述指标计算器计算出的每个划分区域的索引值的图像之间的重叠区域，并计算总体评估值;以及条件确定器，用于基于所述每个所述成像单元确定所述成像单元的成像条件 由评估值计算器计算的总体评价值。

公开(公告)号：US09033460B2

公开(公告)日：2015-05-19

申请号：US12914358

申请日：2010-10-28

申请人： Yoichi Ito ,  Akiyoshi Tanaka

发明人： Yoichi Ito ,  Akiyoshi Tanaka

IPC分类号： B41J2/165 ,  B41J2/17 ,  B41J2/185

CPC分类号： B41J2/185 ,  B41J2/1714

摘要： An image forming apparatus includes a recording head that discharges an electrically substantially neutral droplet of ink onto a recording medium; a transport unit that transports the recording medium such that a recording surface of the recording medium is substantially orthogonal with respect to an ink discharge direction of the recording head; and an electric field generating unit that generates an electric field when the recording head discharges the droplet of ink. The electric field is substantially parallel to the ink discharge direction in terms of intensity.

摘要翻译： 图像形成装置包括：记录头，其将基本上中性的电墨液排放到记录介质上; 传送单元，其传送记录介质，使得记录介质的记录表面相对于记录头的排墨方向基本正交; 以及电场产生单元，其在记录头放出墨滴时产生电场。 电场强度基本上平行于排墨方向。

公开(公告)号：US09013544B2

公开(公告)日：2015-04-21

申请号：US14503032

申请日：2014-09-30

申请人： 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

发明人： 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

IPC分类号： H04N7/00 ,  H04N5/232 ,  G02B13/06 ,  G02B13/00 ,  G02B17/08

CPC分类号： G02B13/06 ,  G02B9/62 ,  G02B13/0065 ,  G02B17/08 ,  G03B17/17 ,  G03B37/04 ,  H04N5/2258 ,  H04N5/23238

摘要： An optical system includes a first lens to focus incident light, a first prism including a reflection surface by which light having transmitted through the first lens is reflected, a second lens to focus incident light from a different direction from a direction of the incident light on the first lens, and a second prism including a reflection surface by which light having transmitted through the second lens is reflected, in which the reflection surface of the first prism and the reflection surface of the second prism oppose each other.

摘要翻译： 光学系统包括聚焦入射光的第一透镜，第一棱镜，包括透射透过第一透镜的光被反射的反射面，第二透镜将来自与入射光方向不同的方向的入射光聚焦在第二透镜上 第一透镜和第二棱镜，其包括反射表面，通过该反射表面透射通过第二透镜的光被反射，其中第一棱镜的反射表面和第二棱镜的反射表面彼此相对。