公开(公告)号：US20180257387A1

公开(公告)日：2018-09-13

申请号：US15891667

申请日：2018-02-08

Applicant: Seiko Epson Corporation

Inventor： Keitaro NAKANO ,  Masaaki ANDO ,  Toru SAITO ,  Hitoshi TSUCHIYA ,  Toshiyuki YODA

IPC: B41J2/19 ,  B01D19/00

CPC classification number: B41J2/19 ,  B01D19/0031 ,  B01D19/0063 ,  B41J2/17596 ,  B41J2/18 ,  B41J11/002 ,  C09D11/101 ,  C09D11/322

Abstract: An ink jet method includes a dissolved gas amount control step of controlling a dissolved gas amount of a radiation curable ink jet composition by a dissolved gas amount control unit at least a part of a flow path connecting a container receiving the ink jet composition and an outlet of an ink jet head to which the ink jet composition is supplied from the container; and an ejection step of ejecting the ink jet composition from the outlet of the ink jet head. The ink jet composition contains a polymerizable compound and a polymerization initiator, the dissolved gas amount control unit includes a member formed from an adhesive, and an absolute value (|(σ1)−(σ2)|) of the difference between a mass average SP value (σ1) of the polymerizable compound and a SP value (σ2) of the adhesive, each of which is calculated by Small's formula, is 1.0 or more.

公开(公告)号：US20170369724A1

公开(公告)日：2017-12-28

申请号：US15628897

申请日：2017-06-21

Applicant: Seiko Epson Corporation

Inventor： Toru SAITO ,  Keitaro NAKANO ,  Toshiyuki YODA ,  Hitoshi TSUCHIYA ,  Tsuyoshi SANO

IPC: C09D11/322 ,  C09D11/107 ,  C09D11/101 ,  C09D11/38 ,  B41J2/155

CPC classification number: C09D11/322 ,  B41J2/14233 ,  B41J2/155 ,  C09D11/101 ,  C09D11/106 ,  C09D11/107 ,  C09D11/38

Abstract: An image recording method according to this invention is an image recording method using an ink jet ink composition containing a pigment, in which the maximum particle size of the pigment is 2.5 μm or less and recording is performed with continuous scanning time of 10 minutes or more.

公开(公告)号：US20160160062A1

公开(公告)日：2016-06-09

申请号：US15013312

申请日：2016-02-02

Applicant: Seiko Epson Corporation

Inventor： Hiroaki KIDA ,  Tetsuya AOYAMA ,  Keitaro NAKANO ,  Hitoshi TSUCHIYA ,  Toshiyuki YODA

IPC: C09D11/101 ,  C09D11/107 ,  C09D11/322

CPC classification number: C09D11/101 ,  B41J2/175 ,  B41J2/17503 ,  B41J2/17513 ,  B41J2/17553 ,  B41J2/211 ,  C09D11/322 ,  C09D11/36 ,  C09D11/40

Abstract: There is provided an ultraviolet-curable ink jet composition, which is stored in an storage body, including a pigment; a pigment dispersant; a polymerizable compound; and a photopolymerization initiator, in which water content is 0.05 mass % to 1.0 mass % based on the total amount of the ultraviolet-curable ink jet composition, and in which both the acid value and the amine value of the pigment dispersant are 50 mgKOH/g or less, and at least one of the acid value and the amine value thereof is 10 mgKOH/g or more.

公开(公告)号：US20160089063A1

公开(公告)日：2016-03-31

申请号：US14840383

申请日：2015-08-31

Applicant: SEIKO EPSON CORPORATION

Inventor： Kazuhiro NISHIDA ,  Tsukasa EGUCHI ,  Hitoshi TSUCHIYA

IPC: A61B5/1455 ,  A61B5/145

CPC classification number: A61B5/1455 ,  A61B5/14532 ,  A61B5/681

Abstract: The invention is provided to suppress a deterioration in the accuracy of measuring a component in a test object, which is caused by temperature variation due to irradiation with light. A blood sugar level measurement apparatus 10 includes a light emitting unit 110 that emits light toward a test object, a light receiving unit 112 that receives light that has been emitted by the light emitting unit 110 and has been reflected within or has passed through the test object, a light emission control unit 204 that performs control so as to cause the light emitting unit 110 to repeat a light emission state and a light extinction state, and a blood sugar level calculation unit 214 serving as a measurement unit that measures a component in the test object by using a result of light reception by the light receiving unit 112.

Abstract translation: 本发明旨在抑制由于照射光的温度变化引起的测试对象中的成分的测量精度的劣化。 血糖值测量装置10包括向测试对象发射光的发光单元110，受光单元112，其接收由发光单元110发射并已被反射或已通过测试的光 对象，执行控制以使发光单元110重复发光状态和熄光状态的发光控制单元204以及用作测量单位的测量单元的血糖水平计算单元214， 通过使用光接收单元112的光接收的结果来测试对象。

公开(公告)号：US20150259549A1

公开(公告)日：2015-09-17

申请号：US14643108

申请日：2015-03-10

Applicant: Seiko Epson Corporation

Inventor： Hiroaki KIDA ,  Tetsuya AOYAMA ,  Keitaro NAKANO ,  Hitoshi TSUCHIYA ,  Toshiyuki YODA

IPC: C09D11/30 ,  B65D77/02 ,  B65D85/00 ,  B65D65/38

CPC classification number: C09D11/101 ,  B65D2565/388 ,  C09D11/322 ,  C09D11/38 ,  Y10T428/1379

Abstract: An ultraviolet curable composition includes a polymerizable compound and is stored in a storage body, in which an amount of water is greater than or equal to 0.05 mass % and less than or equal to 1.0 mass % with respect to a total amount of the ultraviolet curable composition, a content of at least one metal element selected from a group consisting of Li, Na, K, Ag, Mg, Ca, Ba, Zn, Fe, Sn, Al, and Zr is greater than or equal to 10 ppm by mass, and a content of each metal element included in the group is less than or equal to 250 ppm by mass.

Abstract translation: 紫外线固化性组合物包含聚合性化合物，并且储存在相对于紫外线固化型的总量为0.05质量％以下且1.0质量％以下的水量的储存体 选自Li，Na，K，Ag，Mg，Ca，Ba，Zn，Fe，Sn，Al和Zr中的至少一种金属元素的含量大于或等于10质量ppm ，并且该组中包含的每种金属元素的含量小于或等于250质量ppm。

公开(公告)号：US20220296109A1

公开(公告)日：2022-09-22

申请号：US17655363

申请日：2022-03-17

Applicant: SEIKO EPSON CORPORATION

Inventor： Tsukasa EGUCHI ,  Hitoshi TSUCHIYA ,  Ayae SAWADO ,  Akira IKEDA

IPC: A61B5/026 ,  A61B5/024

Abstract: A biological information acquisition device includes a light source configured to emit a laser beam; a light branching element configured to branch the laser beam into a first luminous flux and a second luminous flux; a first light receiving element configured to receive the first luminous flux; a second light receiving element configured to receive scattered light generated by scattering of the second luminous flux incident on an inspection site of a living body; a differential circuit to which the first light receiving element and the second light receiving element are coupled; a signal processing unit configured to obtain biological fluid information by processing a light detection signal output via the differential circuit; and a first light shielding part configured to reduce the scattered light incident on the first light receiving element.

公开(公告)号：US20180244933A1

公开(公告)日：2018-08-30

申请号：US15878570

申请日：2018-01-24

Applicant: Seiko Epson Corporation

Inventor： Hitoshi TSUCHIYA ,  Keitaro NAKANO ,  Toshiyuki YODA

IPC: C09D11/101 ,  C09D11/107 ,  C09D11/30 ,  B41J11/00

CPC classification number: C09D11/101 ,  B41J11/002 ,  C09D11/107 ,  C09D11/30 ,  C09D11/324 ,  C09D11/38

Abstract: A radiation curable ink jet composition contains an acrylate oligomer (A), a monofunctional monomer (B), and a predetermined monomer (C), in which the acrylate oligomer (A) has 1 to 3 acryloyl groups, the glass transition temperature of a homopolymer of the monofunctional monomer (B) is −20° C. or more and 30° C. or less, and the content of the monofunctional monomer (B) is 40% by mass or more based on the entire radiation curable ink jet composition.

公开(公告)号：US20170240754A1

公开(公告)日：2017-08-24

申请号：US15438879

申请日：2017-02-22

Applicant: Seiko Epson Corporation

Inventor： Hitoshi TSUCHIYA ,  Keitaro NAKANO ,  Toru SAITO ,  Toshiyuki YODA

IPC: C09D11/101 ,  B41J11/00 ,  B41J2/01 ,  C09D11/107 ,  C09D11/38

CPC classification number: C09D11/101 ,  B41J2/01 ,  B41J11/002 ,  C09D11/102 ,  C09D11/107 ,  C09D11/30 ,  C09D11/38

Abstract: A radiation-curable ink jet composition contains monomer A represented by formula (1), a mono-, bi-, or trifunctional urethane (meth)acrylate oligomer, and an N-vinyl compound: CH2═CR1—COOR2—O—CH═CH—R3  (1) where R1 denotes —H or —CH3, R2 denotes an organic residue having 2 to 20 carbon atoms, and R3 denotes a hydrogen atom or an organic residue having 1 to 11 carbon atoms.

公开(公告)号：US20180273778A1

公开(公告)日：2018-09-27

申请号：US15907624

申请日：2018-02-28

Applicant: Seiko Epson Corporation

Inventor： Toru SAITO ,  Keitaro NAKANO ,  Toshiyuki YODA ,  Hitoshi TSUCHIYA ,  Kyohei TANAKA

IPC: C09D11/101 ,  C09D11/322 ,  C09D11/037 ,  C08F220/28 ,  C08F220/30 ,  C09D11/107 ,  B41M5/00 ,  B41M7/00

CPC classification number: C09D11/101 ,  B41M5/0023 ,  B41M7/0081 ,  C08F220/28 ,  C08F220/30 ,  C08F292/00 ,  C08F2220/282 ,  C08F2220/301 ,  C08K2003/2241 ,  C09D4/00 ,  C09D11/037 ,  C09D11/107 ,  C09D11/322 ,  C08F220/40 ,  C08F2220/185 ,  C08F226/06

Abstract: Provided is a radiation curing type ink jet ink composition simultaneously satisfying excellent adhesiveness of a cured film to a recording medium, excellent hardenability, and excellent flexibility of the cured film in a well-balanced state. The composition includes a (meth)acrylate monomer A including a vinyl ether group, a monofunctional (meth)acrylate monomer B including a cyclic ether skeleton having two or more ether groups, a monofunctional (meth)acrylate monomer C including an aromatic ring skeleton, and a photopolymerization initiator. The contents of the monomer A, the monomer B, and the monomer C are 5 to 35 mass %, 23 to 55 mass %, and 13 to 46 mass %, respectively, based on the total mass of the composition.

公开(公告)号：US20170352695A1

公开(公告)日：2017-12-07

申请号：US15536043

申请日：2015-11-19

Applicant: Seiko Epson Corporation

Inventor： Hitoshi TSUCHIYA

IPC: H01L27/146 ,  A61B5/1455 ,  A61B5/145 ,  A61B5/00

CPC classification number: H01L27/14623 ,  A61B5/0077 ,  A61B5/02 ,  A61B5/14532 ,  A61B5/1455 ,  A61B5/681 ,  A61B2562/182 ,  A61B2562/185 ,  G02B13/0085 ,  G02B13/14 ,  H01L27/14627 ,  H01L27/14629 ,  H01L27/15 ,  H01L27/307 ,  H01L31/02327 ,  H01L31/173 ,  H01L51/5271 ,  H04N5/33

Abstract: An image acquisition device includes an imager including a light receiver, a light shield, a light condenser, and a light emitter. The light shield includes a light transmitting substrate, a light shielding layer, and an opening in the light shielding layer. A light transmitting layer having a refractive index smaller than that of the substrate is between the light condenser and the light shield. When a diameter of a light receiving surface of the light reception element is d, a diameter of the opening is a, a pitch of the light reception elements is p, a refractive index of the light transmitting layer is n1, a refractive index of the substrate is n2, and a distance between the light reception element and the light shielding layer is h, Arctan((p-a/2-d/2)/h)≧Arcsin(n1/n2).