公开(公告)号：US20220404729A1

公开(公告)日：2022-12-22

申请号：US17774606

申请日：2020-11-24

Applicant: Tomoegawa Co., Ltd.

Inventor： Yudai KIMURA ,  Ikuko YATSUZUKA ,  Takayuki SANO

IPC: G03G9/093

Abstract: [Object] To provide toner particles for developing an electrostatically charged image which are hardly affected by a particle size of resin fine particles and are more excellent in fixability and heat-resistant preservability.
[Solution] A toner particle for developing an electrostatically charged image including a toner base particle and a resin coating covering the toner base particle, in which the toner base particle includes a recess on a surface of the toner base particle, the recess includes a recess having a depth of 50 nm to 500 nm, the resin coating includes a coating (A) portion having a thickness of 10 nm or more and less than 50 nm and a coating (B) portion having a thickness of 50 nm or more and 500 nm or less, and the coating (B) portion is present on the recess.

公开(公告)号：US20220317385A1

公开(公告)日：2022-10-06

申请号：US17633992

申请日：2020-08-07

Applicant: Tomoegawa Co., Ltd.

Inventor： Masayoshi SUZUKI ,  Makoto GOTO

IPC: G02B6/38 ,  B08B1/00 ,  B08B7/00

Abstract: Provided is an optical connector cleaning tool with a simple structure that can sufficiently transmit transmission force. The optical connector cleaning tool includes a supply reel on which a cleaning material is wound so that it can be fed out, a winding reel that winds the cleaning material that has passed through a cleaning head, an operating body that can be pivoted by operation by an operator, and a rotary engaging body that engages with the operating body to transmit the movement of the operating body to rotate the winding reel, in which the arc caused by the pivoting of the operating body is inscribed in the arc caused by the rotation of the rotary engaging body, and the operating body and the rotary engaging body are engaged.

公开(公告)号：US11408125B2

公开(公告)日：2022-08-09

申请号：US16646675

申请日：2018-09-19

Applicant: TOMOEGAWA CO., LTD.

Inventor： Hideki Moriuchi ,  Hiroshi Kitahara ,  Masanori Takahata ,  Masanori Morinaga ,  Tomoki Furue

IPC: D21H25/00 ,  D21H11/00 ,  D21H13/10 ,  D21H11/04 ,  B32B37/10 ,  B32B37/26 ,  D21H11/12 ,  D21H13/24

Abstract: A thermoplastic fiber sheet includes at least cellulosic fibers and thermoplastic resin fibers having a softening temperature of 100 to 140° C. A weight ratio of the cellulosic fibers to the thermoplastic resin fibers (the cellulosic fibers: the thermoplastic resin fibers) is 4:6 to 2:8, and porosity is 20 to 70%.

公开(公告)号：US20220201895A1

公开(公告)日：2022-06-23

申请号：US17595069

申请日：2020-05-14

Applicant: TOMOEGAWA CO.,LTD.

Inventor： Hideki MORIUCHI ,  Shuhei HATANO

IPC: H05K7/20

Abstract: With an objective of obtaining a temperature control unit capable of highly uniform temperature control, provided is a temperature control unit (1) having a heat transfer medium introduction port (2) configured to introduce a heat transfer medium from outside, a temperature control mechanism (3) through which the heat transfer medium from the heat transfer medium introduction port (2) passes, and a heat transfer medium discharge port (4) configured to discharge the heat transfer medium from the temperature control mechanism (3) to outside, wherein: the temperature control mechanism (3) is provided with a porous metal body and a housing (5) configured to house the porous metal body; at least one main surface of the housing (5) is exposed to an outer side of the temperature control mechanism (3), and an inner side of the main surface contacts the porous metal body, thereby exchanging heat between the porous metal body and outside; and a heat transfer medium dispersion area (10) is provided between the heat transfer medium introduction port (2) and the porous metal body.

公开(公告)号：US11209587B2

公开(公告)日：2021-12-28

申请号：US16497855

申请日：2018-03-30

Applicant: TOMOEGAWA CO., LTD.

Inventor： Masahide Sugiyama ,  Masao Kato ,  Tsubasa Sakano ,  Shogo Suga

IPC: G02F1/1335 ,  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：US11124906B2

公开(公告)日：2021-09-21

申请号：US16330893

申请日：2018-01-11

Applicant: Tomoegawa Co., Ltd.

Inventor： Tatsunari Inoue ,  Hideki Moriuchi ,  Taku Kurahara ,  Daisuke Muramatsu

IPC: D04H1/4234 ,  D04H1/732 ,  D04H1/54

Abstract: One object of the present invention is to provide a metal fiber nonwoven fabric having high homogeneity, and the present invention provides a metal fiber nonwoven fabric in which metal fibers are bonded to each other having a coefficient of variation (CV value) of a basis weight in accordance with JIS Z 8101 (ISO 3534: 2006) per 1 cm2 of 10% or less.

公开(公告)号：US20210176854A1

公开(公告)日：2021-06-10

申请号：US17172769

申请日：2021-02-10

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. ,  TOMOEGAWA CO., LTD.

Inventor： Hiroaki TAKAHASHI ,  Kiyotaka KOMORI ,  Masaya KOYAMA ,  Jun TOCHIHIRA ,  Ryu HARADA

IPC: H05K1/02 ,  B32B27/20 ,  B32B27/32 ,  B32B15/08 ,  H05K1/03 ,  H05K3/02 ,  B32B15/085 ,  B32B15/20 ,  H05K3/46

Abstract: A multilayer printed wiring board including one or more insulating layers 2 and at least one conductive layer 1 which are stacked alternately is disclosed. The one or more insulating layers 2 include at least one liquid crystal polymer resin layer 4 so that each of the one or more insulating layers 2 includes at least one layer selected from a group consisting of at least one polyolefin resin layer 3 and the at least one liquid crystal polymer resin layer 4. A percentage by volume of the at least one liquid crystal polymer resin layer 4 relative to the one or more insulating layers 2 is within a range of 5 to 90%.

公开(公告)号：US20200267864A1

公开(公告)日：2020-08-20

申请号：US16649303

申请日：2018-09-20

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

Inventor： Tomohiro NAKATA ,  Hideki MORIUCHI

IPC: H05K5/06 ,  H05K5/00 ,  B32B27/28 ,  B32B27/36 ,  B32B27/08 ,  B32B27/20 ,  B32B37/10

Abstract: A resin card medium which has a substrate having electronic components mounted thereon and has sophisticated flatness and smoothness realized without providing any layer having holes for absorbing thicknesses of the electronic components; and a method for manufacturing a resin card medium.A resin card medium laminated body before pressing is prepared by laminating, on a first plastic finishing sheet, a substrate having one electronic component or two or more electronic components installed on one side of the substrate, with the one side, on which the electronic component or electronic components are installed, facing upward, and laminating, on the substrate, mixed paper constituted of plastic fibers and plant fibers, and by subjecting the resin card medium laminated body to hot pressing at a temperature which is a softening point or more of the plastic fibers and less than a melting point of the plastic fibers.

公开(公告)号：US10670788B2

公开(公告)日：2020-06-02

申请号：US16332011

申请日：2017-07-24

Applicant: TOMOEGAWA CO., LTD.

Inventor： Tsubasa Sakano ,  Masahide Sugiyama

IPC: G02B5/30 ,  G02F1/1335 ,  G02B5/02 ,  G02F1/13357

Abstract: Provided is a light diffusion film laminate for a reflective display device that can improve the reflection luminance at a predetermined observation position (for example, the front direction of the screen) without reducing the visibility not only from the predetermined observation position (for example, the front direction of the screen) but also from a position away from a predetermined observation position (for example, an oblique direction deviated from the front of the screen) and a reflective display device including the light diffusion film laminate.A light diffusion film laminate for a reflective display device has optical diffusibility that changes depending on an incident angle of light, and at least transmits reflected light occurring when incident light is reflected by a reflective layer. The light diffusion film laminate includes at least an anisotropic light diffusion layer that has a scattering central axis and whose linear transmittance changes depending on an incident light angle of the light, wherein the anisotropic light diffusion layer has a matrix region and a plurality of pillar structures, wherein an angle of the scattering central axis is in a range of +6° or more and +40° or less, or −40° or more and −6° or less with respect to a normal direction of the anisotropic light diffusion layer, and an isotropic light diffusion layer disposed on one surface of the anisotropic light diffusion layer.

公开(公告)号：US20200063302A1

公开(公告)日：2020-02-27

申请号：US16466097

申请日：2018-01-10

Applicant: Tomoegawa Co., Ltd.

Inventor： Katsuya Okumura ,  Hajime Tsuda

IPC: D04H1/4234 ,  D21H13/48

Abstract: The present invention provides a cushion member and a stage member provided with the cushion member, the cushion member including a non-woven fabric formed by binding or entangling metal fibers, wherein when the cushion member is compressed, the cushion member undergoes compressive deformation and the following compressive deformation ratio is 5% to 80%: Compressive deformation ratio=(T0−T1)/T0×100, T0: film thickness of cushion member before application of load, and T1: film thickness of cushion member after application and release of load.