baber/WOPTO huggingface dataset:
Patent WO-2021210562-A1 (WO)
Title: Program and terminal device
Inventor: NAKAGAWA MASASHI
IPC: F25D11/00
Filed: 2021-04-13
Abstract: A refrigerator control application (213) causes a terminal control unit (20) of a terminal device (2) capable of communicating with a refrigerator (1) to function as a first processing unit (2031) that transmits refrigerator interior temperature change directions to a refrigerator (1) of a first type when causing the same to implement a pre-cooling operation associated with changing the refrigerator interior temperature, said refrigerator interior temperature change directions directing the refrigerator interior temperature change, and to function as a second processing unit (2032) that transmits pre-cooling operation implementation directions to a refrigerator (1) of a second type when causing the same to implement a pre-cooling operation, said pre-cooling operation implementation directions directing the implementation of a pre-cooling operation that changes the refrigerator interior temperature.
Patent WO-2022219799-A1 (WO)
Title: Doherty amplifier
Inventor: KOMATSUZAKI YUJI
IPC: H03F3/68
Filed: 2021-04-16
Abstract: This Doherty amplifier is provided with: a filter circuit (6a) that, when an input signal in a first frequency band is input, outputs a first input signal that is the input signal attenuated by a first attenuation amount, and, when an input signal in a second frequency band different from the first frequency band is input, outputs a second input signal that is the input signal that is passed through; a second filter circuit (6b) that, when the input signal in the first frequency band is input, outputs a third input signal that is the input signal attenuated by a second attenuation amount that is smaller than the first attenuation amount, and, when an input signal in the second frequency band is input, outputs a fourth input signal that is the input signal attenuated by a third attenuation amount that is equal to or greater than the first attenuation amount; a first amplifier (8a) that has a fixed gate bias voltage, operates as an auxiliary amplifier when the first input signal from the first filter circuit (6a) is input, and operates as a main amplifier when the second input signal from the first filter circuit (6a) is input; and a second amplifier (8b) that has a fixed gate bias voltage, operates as a main amplifier when the third input signal from the second filter circuit (6b) is input, and operates as an auxiliary amplifier when the fourth input signal from the second filter circuit (6b) is input.
Patent WO-2021215469-A1 (WO)
Inventor: KAWAKAMI MASAKATSU
IPC: A61P35/00
Filed: 2021-04-21
Abstract: The present invention addresses the problem of providing a pharmaceutical composition for preventing or treating cancer and a pharmaceutical composition for preventing or treating steroid myopathy. Provided are: a pharmaceutical composition for preventing or treating cancer that comprises an anti Fn14 antibody or an antigen-binding fragment thereof and an excipient, said pharmaceutical composition being to be used in combination with an immune checkpoint inhibitor; and a pharmaceutical composition for preventing or treating steroid myopathy that comprises an anti Fn14 antibody or an antigen-binding fragment thereof and an excipient.
Patent WO-2021221022-A1 (WO)
Title: 型開閉装置および型開閉装置の制御方法
Inventor: HIDAKA YASUHIRO
IPC: B29C49/06
Filed: 2021-04-26
Abstract: 型を開閉させる油圧シリンダと、作動油の供給により油圧シリンダを駆動させる油圧駆動装置と、油圧駆動装置を制御する制御部と、を備える型開閉装置の制御方法であって、制御部は、油圧シリンダの動きを減速させる減速領域での速度変化を前半部分と後半部分で変化させ、かつ後半部分における時間当たりの速度の変化幅を前半部分と比べて小さくする。
Patent WO-2022014154-A1 (WO)
Inventor: TERADA HARUHIKO
IPC: G11C13/00
Filed: 2021-05-20
Abstract: 本開示の一実施形態に係る半導体装置は、第１の方向に延伸する複数の第１の選択線と、第２の方向に延伸する複数の第２の選択線と、複数の第１の選択線および複数の第２の選択線の間にそれぞれ設けられた複数のメモリセルを有するメモリセルアレイと、複数の第１の選択線のいずれか１つに印加する選択電圧を生成可能な電圧生成部と、複数の第１の選択線と電圧生成部とを結ぶ複数の選択経路にそれぞれ設けられた複数の選択トランジスタと、複数のトランジスタのゲートを駆動し、複数の選択トランジスタの耐圧を超える正電圧である第１の駆動電圧を複数のトランジスタのゲートに印加可能なゲート駆動部とを有し、複数の第１の選択線のうちの１つを選択し、選択された第１の選択線に選択電圧を印加するデコーダ部とを備える。
Patent WO-2022004257-A1 (WO)
Title: Filter device and multiplexer
Inventor: SATO TAKUYA
IPC: H01P5/10
Filed: 2021-06-02
Abstract: This filter device (100) comprises an unbalanced terminal (T1), balanced terminals (T2, T3), and resonant circuits (110, 120). The resonant circuit (110) is connected to the unbalanced terminal (T1). The resonant circuit (120) is connected to the balanced terminals (T2, T3) and electromagnetically coupled to the resonant circuit (110). The resonant circuit (110) includes a resonator (RC11) in which an inductor (L11) and a capacitor (C11) are connected in parallel between the unbalanced terminal (T1) and a reference potential. The resonant circuit (120) includes a resonator (RC21) which has an inductor (L21) connected between the balanced terminals (T2, T3), and capacitors (C21A, C21B) connected in series between the balanced terminals (T2, T3)
Patent WO-2022044529-A1 (WO)
Inventor: NISHIDA MAKOTO
IPC: A47G19/00
Filed: 2021-06-29
Abstract: The present invention addresses the problem of providing a beverage-use presentation glass of a configuration where no reflector is arranged inside of glass.　This beverage-use presentation glass is characterized by: being provided with a glass body that is a bottomed cylindrical body having an upper opening, a fixing mechanism for fixing a video display device to a side surface of the glass body, a flat surface that is located on the side surface of the glass body, and a reflector. The glass body is made of a transparent material. The reflector is fixed with close contact to a surface that is the flat surface and is on the outside of the glass body. The flat surface is inclined with respect to a bottom surface of the glass body. The reflector is provided with at least one layer made of metal. Video of the video display device is reflected by the reflector in the direction of the upper opening.
Patent WO-2022014544-A1 (WO)
Title: Low thermal expansion casting and method for producing same
Inventor: OHNO HARUYASU
IPC: B22D27/20
Filed: 2021-07-12
Abstract: The present invention relates to a low thermal expansion casting which exhibits sufficient strength even at high temperatures and has a low coefficient of thermal expansion. According to the present invention, it is possible to obtain a low thermal expansion casting which has a 0.2% proof stress of 125 MPa or more in a tensile test at 300°C, an average coefficient of thermal expansion of 4.0 ppm/ºC or less at 25-300ºC, and a Curie temperature of 250°C or higher, as a result of performing a suitable heat treatment on a casting which contains, in terms of mass%, 0-0.100% of C, 0-1.00% of Si, 0-1.00% of Mn, 8.0-13.0% of Co, and Ni at a quantity that satisfies the relationship -2.5×%Ni+85.5 ≤ %Co ≤ -2.5×%Ni+90.5 (%Ni and %Co respectively denote the content values (mass%) of Ni and Co), with the remainder comprising Fe and unavoidable impurities.
Patent WO-2022054519-A1 (WO)
Inventor: OKUMURA FUJIO
IPC: G06F21/31
Filed: 2021-08-19
Abstract: An authentication device comprising: a storage unit in which shared information that includes passwords previously set for each user and shared rules is stored in order to prevent the leakage of authentication information such as passwords; a random number sequence generation unit for generating a random number sequence pattern configured from a plurality of different numerals; a computation unit for generating a key code on the basis of the shared rules, using a plurality of provisional numerals selected from the random number sequence pattern and a plurality of secret numerals constituting passwords; a transceiver for receiving identification information of a user to be authenticated from an input terminal operated by the user to be authenticated, transmitting the random number sequence pattern in association with the identification information to the input terminal, and receiving, from the input terminal, a key code that is composed of the numerals selected on the basis of the shared rules from the random number sequence pattern by the user to be authenticated; and an authentication unit for authenticating the user to be authenticated, on the basis of the key code received from the input terminal and the key code generated by the computation unit.
Patent WO-2023032068-A1 (WO)
Inventor: ABE TATSUYA
IPC: B66C13/06
Filed: 2021-09-01
Abstract: Provided is a hoisting implement with which a vibration prevention effect in the short side direction of the hoisting implement can be improved without increasing the size of a trolley. In this hoisting implement 1 in which are installed at least four lower sheaves Sa (Sa1, Sa2, Sa3, Sa4) each formed in an approximately rectangular shape having a pair of long sides and a pair of short sides as seen in a plan view, the lower sheaves Sa (Sa1, Sa2, Sa3, Sa4) are disposed in a state in which the axial directions of each of the lower sheaves Sa (Sa1, Sa2, Sa3, Sa4) in a plan view are between a short-side direction x that is the extension direction of the short sides and a long-side direction y that is the extension direction of the long sides.
Patent WO-2022054903-A1 (WO)
Title: Pre-filled syringe
Inventor: OGINO RYO
IPC: A61M5/315
Filed: 2021-09-10
Abstract: This pre-filled syringe is provided with a cylindrical container, a distal gasket, a proximal gasket, an intermediate gasket, and a plunger. The cylindrical container has an inner circumferential surface, a protruding inner surface, and a reception surface. The intermediate gasket has a groove formed on the outer circumferential surface thereof. The plunger has a connection section, a pressing section, and a guide rib. The protruding inner surface is formed at a position that faces the pressing section in a pushed-in state. The guide rib has a recess. The rear end of the recess is located behind the rear end of the protruding inner surface in the pushed-in state.
Patent WO-2022059615-A1 (WO)
Inventor: MATSUOKA ATSUSHI
IPC: H02P29/028
Filed: 2021-09-10
Abstract: La présente invention retarde le début d'une limitation de courant dans une plage dans laquelle un composant peu résistant à la chaleur à l'intérieur d'un bloc de commande électronique (ECU) ne dépasse pas la limite de résistance à la chaleur ou de durabilité en raison d'une élévation de température, sans effectuer une limitation de courant instantané dans un système anormal, même lorsqu'il est détecté qu'une augmentation anormale de la valeur de résistance se produit dans l'un de deux systèmes de faisceau de masse (GND).
Patent WO-2022059673-A1 (WO)
Inventor: MURAI SHINYA
IPC: F24F7/007
Filed: 2021-09-14
Abstract: La présente invention concerne un procédé de sélection d'un second ventilateur (20), le procédé étant utilisé lors d'une installation nouvelle, dans un espace intérieur (SI) où un premier ventilateur existant (10) est installé, d'un autre ventilateur en tant que second ventilateur (20). Le volume de ventilation par heure du premier ventilateur existant (10) est défini en tant que premier volume de ventilation. Selon une première étape, un second volume de ventilation est obtenu en fonction de la taille de l'espace intérieur. Le second volume de ventilation est le volume de ventilation par heure requis pour une contre-mesure contre une infection par des pathogènes. Selon une deuxième étape, une différence entre le second volume de ventilation et le premier volume de ventilation est obtenue en tant que volume de ventilation supplémentaire. Selon une troisième étape, un ventilateur pouvant effectuer une ventilation au volume de ventilation supplémentaire est sélectionné en tant que second ventilateur (20).
Patent WO-2023047582-A1 (WO)
Title: Transmission method and transmission device
Inventor: YAMADA TAKAYUKI
IPC: H04J99/00
Filed: 2021-09-27
Abstract: A transmission method according to an embodiment of the present invention is for performing multiplex transmission of orbital angular momentum by using a circular array antenna having a plurality of circularly arranged antenna elements, and is characterized by including: a rotation control step for executing control to rotate the antenna elements so as to change radio wave transmission directions for the antenna elements; and an amplitude phase control step for controlling the amplitude and the phase of a radio wave emitted from each of the antenna elements, which have been controlled to rotate, such that the radio wave transmission directions of the respective antenna elements become uniform.
Patent WO-2022080461-A1 (WO)
Inventor: YAMANE MASAYUKI
IPC: C12N5/07
Filed: 2021-10-14
Abstract: 本発明の課題は、細胞外小胞の産生が促進される細胞外小胞の産生用培地、培地キット、添加剤及び細胞外小胞の産生方法を提供することである。本発明は、細胞外小胞の産生用培地であって、動物細胞培養用基礎培地と、Ｌ－グルタミン又はその塩、トランスフェリン、亜セレン酸又はその塩、インスリン、インスリン様成長因子、セロトニン化合物及びトランスフォーミング増殖因子βから選ばれる少なくとも１種の成分を含有し、Ｌ－グルタミン又はその塩を含有する場合における細胞外小胞の産生用培地中のＬ－グルタミン又はその塩の濃度が５ｍＭ以上である、細胞外小胞の産生用培地を提供する。また、本発明は、さらに培地キット、添加剤及び細胞外小胞の産生方法を提供する。
Patent WO-2022107527-A1 (WO)
Inventor: NAKABAYASHI SHUNICHI
IPC: B62J45/00
Filed: 2021-10-18
Abstract: An information notification device for a vehicle, according to the present invention, is provided with moveable parts (56, 57) operated by an actuator (105L, 105R) on at least one from among a pair of left and right vehicle body exterior parts (1L, 1R) in a vehicle body (1A) that supports a steering system component (10A) in a steerable manner, wherein the moveable parts (56, 57) have exterior surfaces (56e, 57e) capable of contact with the body of a driver, and the moveable parts (56, 57) operate the exterior surfaces (56e, 57e) by a predetermined motion to notify the driver of predetermined information.
Patent WO-2022091973-A1 (WO)
Inventor: KIKUCHI SATOSHI
IPC: F21S41/675
Filed: 2021-10-22
Abstract: A scanning-type light source (200A) includes a semiconductor light source (212), and performs scanning with light emitted from the semiconductor light source (212). A LED driver (320A) can dim, through pulse modulation in multiple levels, the quantity of light of the semiconductor light source (212) at each scanning position, in synchronization with the scanning by the scanning-type light source (200A). A series switch (323) is provided in series with the semiconductor light source (212). A step-down converter (322) of a constant current output is connected to a series-connection circuit of the semiconductor light source (212) and the series switch (323), and generates driving current (Iout). A driver circuit (324) causes, so as to obtain target light distribution, switching of the series switch (323) on the basis of a pulse dimming signal (PWM_DIM) which is pulse-modulated and in which the same waveform is repeated for each scanning.
Patent WO-2023073785-A1 (WO)
Inventor: NAKADA KEITA
IPC: B26B21/06
Filed: 2021-10-25
Abstract: 体毛を減少させるためのデリケートゾーン用すきカミソリであって、櫛部が複数の櫛歯を有するとともに、刃体の刃先が露出した刃先露出部分と、刃体の刃先が露出しないよう覆われたカバー部分とを有し、カバー部分の幅方向における両端及び該両端の間に櫛歯が設けられ、所定の並びで配置された前記刃先露出部分と前記カバー部分との組が繰り返されるよう配置される。櫛部の幅方向において最外部に位置する櫛歯の幅方向の中央部の間の長さに対する、複数の刃先露出部分にそれぞれ隣接する櫛歯の幅方向の中央部の間の長さの合計の割合を１／１０以上４／１０以下とする。複数の櫛歯間の隙間の延長線上にそれぞれ形成された複数の溝部を有する構成とする。
Patent WO-2022097726-A1 (WO)
Inventor: KOSAKA AKIRA
IPC: G01J9/00
Filed: 2021-11-05
Abstract: 測定対象物（１００）に含まれる複数の発光素子チップ（１０１）が励起されて発光した光を分光する分光手段（３）、各発光素子チップの各発光面から発光され分光された光を、複数の領域に分けて受光する複数の画素（５１）を有する受光手段（５）、受光結果に基づいて得られた測定データを、発光素子チップ（１０１）毎に分離する分離手段（６）、分離された発光素子チップ（１０１）毎に、発光面内の複数の領域についての波長毎の測定データから代表波長を演算する演算手段（６）を備えている。
Patent WO-2023084591-A1 (WO)
Inventor: YOSHIZAWA HIROYASU
IPC: F16H9/18
Filed: 2021-11-09
Abstract: 本開示は、ベルト式無段変速機において設計の自由度をより高めることを可能にする構成に向けられている。一実施形態に係るベルト式無段変速機（10）は、動力源の出力軸から駆動力が伝達される駆動プーリ（64）と従動プーリ（94）との間にベルト（90）が架け渡されるものであり、駆動プーリにおいて固定プーリ半体（64a）に対して可動プーリ半体（64b）を移動させるように可動プーリ半体（64b）の軸方向の駆動力を発生する駆動機構Dと、この駆動機構Dによる可動プーリ半体の軸方向の移動をアシストするように、出力軸の回転運動を該出力軸の軸方向の運動に変換するカムアシスト機構Cとを備える。
Patent WO-2022113789-A1 (WO)
Inventor: TANAKA KUNIHIKO
IPC: E03C1/042
Filed: 2021-11-12
Abstract: 本発明は、下向きに開口する排出口を有するノズル部と、前記排出口の下方で、且つ前記排出口よりも水平方向の後方に配置される押込ボタンと、を有し、前記押込ボタンが後方に押圧されると、前記排出口から湯が排出される、給湯用水栓に取り付けられるアタッチメントであって、前記ノズル部に取り付けられる支点部と、前記支点部から下方に延びる本体部と、前記本体部の下端部に取り付けられる支持部と、前記アタッチメントを前記給湯水栓に固定するための固定手段と、を備え、前記本体部は、前記押込ボタンの前面を通過し、下方に延びるように形成され、湯を入れる容器により、前記支持部を押圧したときに、前記アタッチメント本体が前記支点部を支点として旋回し、前記押込ボタンを押圧するように構成されている。
Patent WO-2022118656-A1 (WO)
Title: 作業現場でモバイルロボットをシミュレーションする装置及び方法
Inventor: VANGAL RAMAMURTHY SWAMINATHAN
IPC: G05D1/02
Filed: 2021-11-17
Abstract: 作業現場でモバイルロボットをシミュレーションする装置及び方法であって、前記装置は、作業現場の環境をマッピングする１以上のセンサとプロセッサとを備える。プロセッサは、１以上のセンサによって取得された環境の画像をディスプレイに表示し、１以上のセンサからの入力に基づいて環境のマッピングを実行し、環境内の１以上の物体を検知し、ディスプレイに表示された環境内に表示するための仮想モバイルロボットのグラフィックを生成し、表示された環境内における仮想モバイルロボットの移動を制御するためのユーザ入力を受信するように装置を動作させる命令を実行するように構成されている。仮想モバイルロボットは、環境内で検知された１以上の物体を回避するように表示された環境内を移動するように構成されている。
Patent WO-2022168450-A1 (WO)
Inventor: KIYOTO NAOHARU
IPC: B32B27/30
Filed: 2021-12-13
Abstract: 本開示は、５０質量％以上１００質量％未満の重合体と、銀平板粒子と、個数基準に基づく上記銀平板粒子の含有量の少なくとも９０％を含み、１０ｎｍを超え１００ｎｍ以下の平均厚さを有する第１領域と、を含み、リタデーション値が、１５０ｎｍ以下である、合わせガラス用中間膜及び上記合わせガラス用中間膜を含む合わせガラスを提供する。
Patent WO-2022131269-A1 (WO)
Title: モータ固定構造の製造方法、モータ固定構造、圧縮機、および冷凍装置
Inventor: HIRATSUKA DAISUKE
IPC: F04C29/00
Filed: 2021-12-14
Abstract: ケーシング（20）と、ケーシング（20）の内周面に固定されるステータ（60）と、ケーシング（20）の内周面とステータ（60）の外周面との間に設けられる樹脂部材（12）とを備えるモータ固定構造の製造方法であって、ケーシング（20）を加熱することなく、樹脂部材（12）を介してステータ（60）をケーシング（20）の内周面に締り嵌めにより固定する第１工程を含む。
Patent WO-2022190535-A1 (WO)
Title: Control device, rack, control system, control method, and program
Inventor: SHOJI TAKESHI
IPC: B25J19/06
Filed: 2021-12-20
Abstract: A control device comprising: a control unit which performs control on the motion of a robot; a setting unit which sets, in the control unit, a first motion pathway for the robot; and a determination unit which determines whether or not the distance between the position of an obstacle detected by a detection unit and the position of the first motion pathway having been set in the control unit is not more than a prescribed distance, wherein if the distance between the position of the obstacle and the position of the first motion pathway set in the control unit is not more than the prescribed distance, the setting unit sets, in the control unit and for the robot, a second motion pathway that is located apart from the position of the obstacle by a distance more than the prescribed distance, as an alternative to the first motion pathway set in the control unit, and the control unit performs control on the motion of the robot on the basis of either the first motion pathway set in the control unit or the second motion pathway set in the control unit.
Patent WO-2022138836-A1 (WO)
Inventor: HINOGAMI REIKO
IPC: H01M4/1395
Filed: 2021-12-23
Abstract: A fluoride ion secondary battery 1 comprises, in the order stated below: a positive electrode layer 2 that contains at least one element selected from the group consisting of a first metal element, carbon element, and sulfur element, and that can be fluorinated and defluorinated; a solid electrolyte layer 3 that contains a first solid electrolyte material having a second metal element; and a negative electrode layer 4 that contains a second solid electrolyte material having a third metal element and at least one selected from the group consisting of Al alloy particles and elemental Al particles functioning as a current collector. The second metal element and the third metal element each have a lower fluorination potential and a lower defluorination potential than an aluminum element and said at least one element that is selected from the group consisting of the first metal element, carbon element, and sulfur element and that is contained in the positive electrode layer 2.
Patent WO-2022190622-A1 (WO)
Title: Information processing device, information processing method, and program
Inventor: MIYATANI YOSHITAKA
IPC: G01H9/00
Filed: 2022-01-14
Abstract: The present disclosure relates to an information processing device, an information processing method, and a program that make it possible to realize more suitable vibration monitoring. In the present invention, a vibration detection unit generates vibration information that represents the vibration state of a subject on the basis of event data output from an EVS and including a pixel position at which an event has occurred, and the time of occurrence of and the polarity of the event, the event being a luminance change in each pixel. The technology according to the present disclosure can be applied, for example, to a vibration monitoring system.
Patent WO-2022239300-A1 (WO)
Inventor: TANAKA HIROTAKA
IPC: G06T7/70
Filed: 2022-01-17
Abstract: An information processing device according to the present disclosure is provided with: a detection processing unit for, on the basis of output data from a first sensor, detecting a first region that is not suitable for self-position estimation and environment map creation and that is in an object detection region detected by the first sensor; and a data processing unit that performs self-position estimation and environment map creation on the basis of output data corresponding to a second region obtained by excluding the first region in the object detection region.
Patent WO-2022158608-A1 (WO)
Inventor: INOUE HARUHISA
IPC: A61P25/08
Filed: 2022-01-25
Abstract: 本発明の良性成人型家族性ミオクローヌスてんかん（ＢＡＦＭＥ）の予防又は治療剤は、配列番号１ないし４の少なくとも１つの塩基配列含むアンチセンスオリゴヌクレオチドを含む。前記アンチセンスオリゴヌクレオチドのうち、配列番号１ないし４の少なくとも１つの塩基配列からなるオリゴヌクレオチドはＲＮａｓｅ　Ｈ非活性型ヌクレオチド類似体を少なくとも１個含んでもよい。前記ＲＮａｓｅ　Ｈ非活性型ヌクレオチド類似体は、β－Ｄ－オキシ－Ｌ－ＬＮＡ、β－Ｄ－ＥＮＡ、Ｒ型ｃＥｔ、２'－ＯＭｅ－ヌクレオチド類似体、及び／又は、ＭＯＥ－ヌクレオチド類似体であってもよい。
Patent WO-2022244312-A1 (WO)
Inventor: YOSHIKAWA KOUICHI
IPC: A61H1/00
Filed: 2022-01-27
Abstract: [Problem] This invention addresses the problem of enabling mirror therapy to be easily performed at low cost. [Solution] A cardboard mirror box characterized by comprising: a body section having a bottom wall, a rear-surface wall, a left-side-surface wall, and a right-side-surface wall; an upper lid that can be attached so as to cover the upper part of the body section, that can be removed, and that has a side surface part around the entire circumference; a mirror of which the mirror surface faces obliquely upward, and which is provided so as to be tilted in a front view at a predetermined incline angle with respect to a vertical line from the upper lid to the bottom wall, when the upper lid is attached to the upper part of the body section; a bottom wall locking part provided to the bottom lid and capable of locking the mirror substantially parallel to the left-side-surface wall or the right-side-surface wall; and a mirror support part that supports the mirror, it being possible to perform mirror therapy by visually recognizing a healthy limb, which is a reflection, on the mirror surface of the mirror from the upper-lid side, of a healthy limb inserted from the front-surface side into the space on the mirror-surface side of the mirror in the body section.
Patent WO-2022176864-A1 (WO)
Inventor: MATSUOKA KENSUKE
IPC: C08F24/00
Filed: 2022-02-15
Abstract: A plastic optical fiber 10 according to the present invention comprises a core portion 11 which is a region where light is transmitted, and a clad portion 12 arranged on the outer periphery of the core portion 11. The core portion 11 is formed of a polymer composition containing the same polymer in the entire core portion 11. The core portion 11 has a first region 111 which is a central portion of the core portion 11 and a second region 112 located on the outer periphery of the first region 111. The polymer has a first weight average molecular weight in the first region 1111 and a second weight average molecular weight that is larger than the first weight average molecular weight in the second region 112.