公开(公告)号：US20210132299A1

公开(公告)日：2021-05-06

申请号：US16492309

申请日：2018-03-06

Applicant: FUJIKURA LTD. ,  TOMOEGAWA CO., LTD.

Inventor： Akihiro Nakama ,  Shigeo Takahashi ,  Hirotaka Asada ,  Makoto Goto ,  Masayoshi Suzuki

IPC: G02B6/38 ,  B08B7/00

Abstract: A cleaning tool that cleans an optical connector includes an adhesive body that contacts an optical signal region of the optical connector where an optical signal enters and is emitted from the optical connector; and a base that holds the adhesive body. The base includes a first protrusion on a holding surface of a holding part that holds the adhesive body. The first protrusion is disposed at a rear side of a section of the adhesive body and is in contact with the optical signal region.

公开(公告)号：US20200251234A1

公开(公告)日：2020-08-06

申请号：US16787825

申请日：2020-02-11

Applicant: TOPPAN PRINTING CO., LTD. ,  TOMOEGAWA CO., LTD.

Inventor： Masaru HAYAKAWA ,  Minoru TSUCHIDA

IPC: G21F1/08 ,  G21F3/02 ,  G21F1/12 ,  G21F3/00 ,  G21F1/10 ,  A41D13/04 ,  D04H3/015 ,  D04H3/10 ,  D04H3/153 ,  D06M11/83 ,  D21H11/04 ,  D21H17/67 ,  D21H21/18 ,  D21H21/20

Abstract: A radiation shielding sheet includes a fiber and a granular radiation shielding material, in which the fiber and the radiation shielding material are integrally formed into the shape of a sheet.

公开(公告)号：US20200033525A1

公开(公告)日：2020-01-30

申请号：US16497855

申请日：2018-03-30

Applicant: TOMOEGAWA CO., LTD.

Inventor： Masahide SUGIYAMA ,  Masao KATO ,  Tsubasa SAKANO ,  Shogo SUGA

IPC: F21V8/00

Abstract: According to the present invention, a light guiding laminate including a light guide plate with good visibility and an anisotropic optical film, and a planar light source device including the light guiding laminate and a light source are provided.There are a light guiding laminate including a light guide plate which has: a light emission surface through which light incident from an end face is bent and emitted in a surface direction, and an angle at which emission intensity in the light emission surface is maximum, the angle being 20° to 60° with respect to a perpendicular direction to the light emission surface; and an anisotropic optical film which is laminated directly or via another layer and has diffusibility changing depending on an angle of incident light with respect to the light emission surface, in which an opposite surface which is a surface on an opposite side to the light emission surface of the light guide plate has a plurality of concave or convex structures having a size of 50 μm or less and a height or a depth of 50 μm or less, the anisotropic optical film has a matrix region and a structural region formed of a plurality of structures, and linear transmittance of the anisotropic optical film, which is an amount of transmitted light in a linear direction of light incident on the anisotropic optical film/an amount of incident light, is 30% or less at an angle at which the emission intensity of the light guide plate is maximum, and a planar light source device using the light guiding laminate.

公开(公告)号：US20190257014A1

公开(公告)日：2019-08-22

申请号：US16334110

申请日：2017-09-22

Applicant: Tomoegawa Co., Ltd.

Inventor： Katsuya Okumura ,  Minoru Tsuchida ,  Hajime Tsuda ,  Daisuke Muramatsu

IPC: D04H1/4234 ,  D04H1/587 ,  D21H13/48

Abstract: Provided is a copper fiber nonwoven fabric having a bonding portion between copper fibers, and in the relationship between compressive stress and strain, is provided with a first region exhibiting plastic deformation and a second region exhibiting elastic deformation in which compressive stress is higher than the first region. Alternatively, the copper fiber nonwoven fabric has a bonding portion between copper fibers, and in the relationship between compressive stress and strain, has a region exhibiting elastic deformation, wherein the region exhibiting elastic deformation has an elastic deformation region before an inflection portion a, the inflection portion a, and an elastic deformation region after the inflection portion a.

公开(公告)号：US09989678B2

公开(公告)日：2018-06-05

申请号：US15129219

申请日：2015-03-17

Applicant: Tomoegawa Co., Ltd.

Inventor： Tsubasa Sakano ,  Masahide Sugiyama

IPC: G02B5/02 ,  G02F1/1335 ,  B05D7/04 ,  B29D11/00 ,  B05D5/06 ,  B05D3/06 ,  B29K667/00 ,  B29K33/00

CPC classification number: G02B5/0257 ,  B05D3/06 ,  B05D5/06 ,  B05D7/04 ,  B29D11/00798 ,  B29K2033/08 ,  B29K2667/003 ,  G02B5/0236 ,  G02B5/0268 ,  G02B5/0278 ,  G02F1/133504

Abstract: In an anisotropic optical film including two or more anisotropic light diffusion layers where a linear transmittance varies depending on an incident light angle, each of the anisotropic light diffusion layers has a matrix region and a plurality of pillar regions that differ in refractive index from the matrix region, at least two types of anisotropic light diffusion layers (a) and (b) that differ in aspect ratio between a short diameter and a long diameter at a cross section perpendicular to an orientation direction of the pillar regions are used as the anisotropic light diffusion layers, the aspect ratio between the short diameter and the long diameter in the pillar regions is made less than 2 in the anisotropic light diffusion layer (a), and the aspect ratio between the short diameter and the long diameter in the pillar regions is made 2 or more and 20 or less in the anisotropic light diffusion layer (b).

公开(公告)号：US20170026731A1

公开(公告)日：2017-01-26

申请号：US15120686

申请日：2015-02-27

Applicant: TOMOEGAWA CO., LTD.

Inventor： Fukushi Kawakami ,  Noriaki Shime ,  Takayuki Sano

IPC: H04R1/08 ,  H04R29/00

CPC classification number: H04R1/086 ,  H04R29/004 ,  H04R31/00 ,  H04R2410/03 ,  H04R2410/07 ,  H04R2499/11

Abstract: One of the purposes of the present invention is to provide a pop noise reduction tool capable of exhibiting an excellent pop noise reduction effect even when the tool is arranged relatively close to the diaphragm of a microphone or a microphone unit; the present invention provides a pop noise reduction tool including a sound-transmitting member which has micropores that lead from one surface to the other surface, is formed by fibers that are interlaced with each other, and has the linear light transmittance of 20% or less.

Abstract translation: 本发明的目的之一是提供一种即使当工具相对靠近麦克风或麦克风单元的隔膜布置时也能够表现出优异的弹奏噪音降低效果的弹出式降噪工具; 本发明提供一种弹性降噪工具，其包括具有从一个表面引导到另一个表面的微孔的声音传递构件，其由彼此交错的光纤形成，并且线性透光率为20％以下 。

公开(公告)号：US20170003422A1

公开(公告)日：2017-01-05

申请号：US15112889

申请日：2015-01-16

Applicant: Tomoegawa Co., Ltd.

Inventor： Masahide SUGIYAMA ,  Hiroto KATAGIRI ,  Hiroyuki ABE ,  Tsubasa SAKANO

IPC: G02B5/02 ,  G02F1/1335

CPC classification number: G02B5/0257 ,  B29D11/00788 ,  B29K2995/0044 ,  G02B5/0236 ,  G02B5/0268 ,  G02B5/0278 ,  G02F1/133504

Abstract: Provided is an anisotropic optical film, which can, while keeping excellent display characteristics (e.g., brightness and contrast) in the direction of a viewing angle, suppress decreased display characteristics in the other directions, when the anisotropic optical film is used as a diffusion film of a display panel.In an anisotropic optical film including two or more anisotropic light diffusion layers where the linear transmittance varies depending on the incident angle of incident light, each of the anisotropic light diffusion layers is provided with a matrix region and a plurality of pillar regions that differ in refractive index from the matrix region, the film includes, as the anisotropic light diffusion layers, at least two types of anisotropic light diffusion layers (a) and (b) that differ in linear transmittance, the maximum linear transmittance of the anisotropic light diffusion (a) is 40% or more and less than 95%, and the minimum linear transmittance thereof is less than 20%, and the maximum linear transmittance of the anisotropic light diffusion layer (h) is 20% or more and less than 40%, and the minimum linear transmittance thereof is less than 20%.

Abstract translation: 在包括两个或更多个各向异性光扩散层的各向异性光学膜中，其中线性透射率根据入射光的入射角而变化，各向异性光漫射层设置有矩阵区域和折射率不同的多个柱状区域 从矩阵区域的指数来看，作为各向异性光扩散层，膜包括线性透射率不同的至少两种各向异性光扩散层（a）和（b），各向异性光扩散的最大线性透射率 ）为40％以上且小于95％，其最小线性透射率小于20％，各向异性光扩散层（h）的最大线性透射率为20％以上且小于40％， 其最小线性透射率小于20％。

公开(公告)号：US09372303B2

公开(公告)日：2016-06-21

申请号：US14220415

申请日：2014-03-20

Applicant: TOMOEGAWA CO., LTD.

Inventor： Masayoshi Suzuki ,  Nobuhiro Hashimoto

IPC: B05B5/025 ,  B05B15/02 ,  B05B13/02 ,  G02B6/02 ,  G02B6/42 ,  G02B6/32 ,  G02B6/26

Abstract: Disclosed is an optical connection component manufacturing apparatus that manufactures an optical connection component in which a refractive index matching body is attached to a front end face of an optical fiber. The optical connection component manufacturing apparatus includes: a holding unit that includes a holding face holding a refractive index matching liquid including the refractive index matching body; a dispenser that supplies the refractive index matching liquid to the holding face; and a static electricity generating device that charges the optical fiber so that the refractive index matching liquid held on the holding face is adsorbed onto the front end face of the optical fiber, wherein the holding face has an outer peripheral edge connected in a curved line.

公开(公告)号：US20240167772A1

公开(公告)日：2024-05-23

申请号：US18551124

申请日：2022-03-07

Applicant: TOMOEGAWA CO., LTD.

Inventor： Hideki MORIUCHI

IPC: F28F3/02 ,  F28F3/04

CPC classification number: F28F3/022 ,  F28F3/04

Abstract: A thermal conductor (10) includes: a thermal-conduction portion (20) including metal; and a protrusion (30) attached to a surface of the thermal-conduction portion (20) and extending from the thermal-conduction portion (20), wherein the protrusion (30) includes a core (32) made of a metal bulk body, and a metal fiber structure (34) fusion-bonded around the core (32).

公开(公告)号：US20240145320A1

公开(公告)日：2024-05-02

申请号：US18546686

申请日：2022-03-03

Applicant: Tomoegawa Co., Ltd

Inventor： Yuuki Matsunaga ,  Fumiki Komagata ,  Ayana Tomioka

IPC: H01L23/10

CPC classification number: H01L23/10

Abstract: The present invention provides an electronic component sealing lid that suppresses detachment caused by reflow treatment, wherein the sealing lid is formed from a resin composition containing a liquid crystal polymer and an inorganic substance, and satisfies either the following formula (a) or formula (b). (a): T1/T2 1.1 [wherein T1=S1/S2, T2=S3/S4, S1 is the area of the region obtained by connecting, with a straight line, the inverse peak nearest to 900 cm−1 and the inverse peak nearest to 860 cm−1 in the absorbance distribution of the bonding surface of the lid, S2 is the area of the region obtained by connecting, with a straight line, the inverse peak nearest to 900 cm−1 and the inverse peak nearest to 770 cm−1 in the absorbance distribution of the bonding surface of the lid, S3 is the area of the region obtained by connecting, with a straight line, the inverse peak nearest to 900 cm−1 and the inverse peak nearest to 860 cm−1 in the absorbance distribution of the portion of the lid that is not the bonding surface, and S4 is the area of the region obtained by connecting, with a straight line, the inverse peak nearest to 900 cm−1 and the inverse peak nearest to 770 cm−1 in the absorbance distribution of the portion of the lid that is not the bonding surface].