baber/WOPTO huggingface dataset:
Patent JP-2009141507-A (JP)
Title: Communication system, transmitter, and receiver
Inventor: OKAMASU TAKAYUKI
IPC: H04W16/26
Filed: 2007-12-04
Abstract: <P>PROBLEM TO BE SOLVED: To provide a communication system improved in data transfer efficiency.  <P>SOLUTION: The communication system comprises a transmitter and a plurality of receivers. The transmitter comprises a multiplex data creating portion and a data transmitting portion. The multiplex data creating portion combines a plurality of communication data addressed to different receivers to create one multiplex data and includes designation information into the multiplex data, wherein the designation information specifies the reply timing of response data by changing it at each address. The data transmitting portion transmits the multiplex data created by the multiplex data creating portion to the receivers. Each of the receivers comprises a data receiving portion for receiving the multiplex data, a data checking portion for checking communication data addressed to the own receiver out of multiplex data received by the data receiving portion, and a response replying portion which transmits response data to the transmitter at reply timing according to the designation information included in the multiplex data, when communication data addressed to the own receiver are verified.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009137786-A (JP)
Title: Producing method for each of glass molding, preform for precision press molding and optical element
Inventor: IGUCHI YOSHINORI
IPC: C03B19/02
Filed: 2007-12-05
Abstract: <P>PROBLEM TO BE SOLVED: To provide a producing method of a glass molding which is used as a base material to produce high quality glass articles such as a preform for precision press molding and the like with high productivity and efficiently and to provide a producing method for a preform for precision press molding from the resulting glass molding.  <P>SOLUTION: The producing method of a solid glass molding from molten glass where a molten glass gob is thrown into a liquid, cooled in the liquid and molded and the glass molding makes a base material to produce the glass preform for precision press molding by polishing the whole surface is characterized in that the glass molding having the same mass as the molten glass gob is obtained and that the liquid having a boiling point BP under 1 atmospheric pressure of 30-200°C and satisfying a relation formula (1): Cp×(BP-20°C)+Q≤900 J/g (1) wherein, specific heat at constant pressure is Cp [J/(g×K)]; and heat of vaporization is Q [J/g]. The producing method of the preform for precision press molding comprises polishing the whole surface of the glass molding produced by the producing method.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009140766-A (JP)
Title: Discharge lamp lighting device
Inventor: KATO TAKESHI
IPC: H05B41/24
Filed: 2007-12-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a discharge lamp lighting device that can make realization between entire light lighting and deep light control by using a PWM light control method and is improved to be able to make continuous light control by switching an alternating-current output voltage of an inverter circuit between high and low levels.  <P>SOLUTION: The discharge lamp lighting device is provided with an inverter circuit INV whose input terminal is connected with a direct-current power supply RDC and can cause an alternating-current output voltage thereof to be switched between at least two stages of low and high, and provided with control means CC for controlling the inverter circuit so as to be able to perform light control operations including: a first light control operation mode having one cycle of PWM control, composed of a first time period in which the alternating-current output voltage of the inverter circuit is high and a second time period in which the same is low, with their duties being relatively varied to controlledly light a discharge lamp DL; and a second light control operation mode having one cycle of PWM control, composed of the second time period and a third time period for substantially no output, with their duties being relatively varied to controlledly light the discharge lamp.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009137464-A (JP)
Title: Vehicular display device
Inventor: KOSAKA YOSHINOBU
IPC: B60K37/06
Filed: 2007-12-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a convenient vehicular display device capable of displaying desired vehicle information with less operations.  <P>SOLUTION: The vehicular display device comprises a vehicle-mounted display means 3 for displaying a plurality of items of vehicle information, an operation switch 1 for generating a signal in response to a pressing operation by an operator, and a control means 2 for controlling the display means 3 to switch the display of vehicle information based on the signal from the operation switch 1, wherein the control means 2 performs a long-pressing judgment process to check whether or not the operation switch 1 has been operated for a prescribed period of time or more, based on the signal from the operation switch 1 while displaying the predetermined vehicular information in the display means 3, and sequentially scrolls the plurality of items of vehicle information if the judgment result determines that the operation switch 1 has been operated for the prescribed period of time or more.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009138468-A (JP)
Title: Water leakage repairing method
Inventor: IMAOKA YASUNORI
IPC: C04B7/24
Filed: 2007-12-07
Abstract: <P>PROBLEM TO BE SOLVED: To provide a water leakage repairing method for repairing a water leakage part generated in a water storage structure by a simple method without extracting stored water in the water storage structure.  <P>SOLUTION: The water leakage repairing method for repairing the water leakage part generated in the water storage structure such as a bank, a reservoir or a water storage tank comprises a hydraulic powder charging step S10 of charging hydraulic powder 10 into water in the water storage structure 12, a water bottom sedimentation step S20 of sedimenting the charged hydraulic powder 10 on the bottom of the water in the water storage structure 12, and a curing step S30 of settling and curing the hydraulic powder 10 sedimented on the bottom of the water for a predetermined period to harden the hydraulic powder 10 to thereby form an impervious layer 14.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009140378-A (JP)
Title: Data transmitting device and data transmitting method
Inventor: MATSUZONO AKIHISA
IPC: G06F13/00
Filed: 2007-12-10
Abstract: <P>PROBLEM TO BE SOLVED: To provide a data transmitting device which separately transmits a command and display data corresponding to the execution result of processing requested from a client device, to the client device.  <P>SOLUTION: An application 101 executes the processing requested from the client device 2 and generates data to be displayed composed of display data and a command. A separation processing part 12 separates the display data and the command in the data to be displayed. A command transmission part 13 transmits a command to the client device 2. The data transmission part 14 transmits the difference between the display data and display data of the former time to the client device 2 by UDP when the variation of the image is equal to or more than the threshold of variation, and by TCP when the variation of the image less than the threshold of variation.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009145957-A (JP)
Title: State machine and semiconductor integrated circuit using it
Inventor: SHIBUYA TAKATOSHI
IPC: G06F7/00
Filed: 2007-12-11
Abstract: <P>PROBLEM TO BE SOLVED: To arbitrarily change control contents of a state machine without changing a circuit configuration of hardware with a simple and low-cost hardware configuration.  <P>SOLUTION: This Moore type state machine 20 uses a clock synchronous memory 30, and data expressing a state S of the Moore type state machine 20 are stored in each address of the memory 30. The Moore type state machine 20 is behaved as the Moore type state machine 20 operating while varying the state S in synchronization with a clock signal clk by combining an input signal in[j-1:0] to the state machine 20 and the data rdata[m:k] expressing the state S inside read data rdata[m:0] of the memory 30, and inputting them to an address of the memory 30 through a selector 21.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009143316-A (JP)
Title: Mounting structure for steering column
Inventor: SUEDA KAZUO
IPC: B62D1/19
Filed: 2007-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To prevent deterioration of a trouble value of a driver and smoothly move a steering column 1 to an engine room side even if a large impact such as an accident is generated.  <P>SOLUTION: The steering column 1 is connected to an intermediate shaft 4 which has one end part installed on the interior side, locked and fixed to an instrument panel IP and having a tip mounted with a steering and the other end installed on an underfoot engine side of the driver and fixed to a partition wall 3 with the engine room. The steering column 1 transmits steering operation to a steering wheel side. A panel lock part 13 capable of being locked on a mounting lock part provided on the instrument panel IP is formed so as to be detachable with respect to the engine room side. Lock separation load of the panel lock part 13 is adjusted detachably at impact acceleration larger than airbag operation impact acceleration for inflation by an impact and smaller than impact acceleration generating biting of the intermediate shaft 4 and the partition wall 3, so as to lock and fix the steering column 1.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008073058-A (JP)
Title: Fat mixture for food
Inventor: WESTER INGMAR
IPC: A23L33/20
Filed: 2007-12-12
Abstract: <P>PROBLEM TO BE SOLVED: To provide a fat mixture to avoid the use of harmful fats.  <P>SOLUTION: The fat mixture contains a liquid oil component and ≥25 wt.% texturizing agent and is free from hardstocks, wherein the texturizing agent contains one or more kinds of sterol fatty acid esters, one or more kinds of stanol fatty acid esters or their mixture.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009147033-A (JP)
Title: Pressurization system
Inventor: IZUMI SHIGETO
IPC: H01L21/60
Filed: 2007-12-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pressurization system of high productivity by using a plurality of pressurization systems while minimizing the volume in a chamber.  <P>SOLUTION: A pressurization system (71, WHL) includes a first chamber (70), a plurality of pressurization devices (72) housed in the first chamber and pressurizing a first substrate (W1) and a second substrate (W2) to produce an integral substrate, a driver for sequentially moving the plurality of pressurization devices to an import position (PL) for carrying the first and second substrates into the pressurization device and an export position (PL) for carrying out an integral substrate from the pressurization device, and a carrying device (WHL) arranged on the outside of the first chamber and carrying in the first and second substrates to the import position and carrying out an integral substrate from the export position.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009143611-A (JP)
Title: Unloading system of tank truck
Inventor: KIMURA MITSUNARI
IPC: B67D7/32
Filed: 2007-12-14
Abstract: <P>PROBLEM TO BE SOLVED: To prevent a data reader for use in reading tank information from a radio tag from being damaged.  <P>SOLUTION: An unloading system 10 is provided with radio tags 28 to 30 for use in transmitting tank information at the outer peripheries of oil feeding ports 24 to 26. A tank truck 12 is provided with data readers 32, 33 for use in reading, under non-contact state, oil type data transmitted from the radio tags 28 to 30. An antenna member 100 arranged at one end of each of unloading hoses 16, 18 approaches such a distance as one in which it can communicate with an antenna member 106 at the tank truck 12 by performing a connecting operation for connecting the other end of each of the unloading hoses 16, 18 to the oil feeding ports 24 to 26, and an antenna member 102 arranged at the other end of each of the unloading hoses 16, 18 approaches such a distance as one in which it can communicate with the antenna member 110 (or radio tags 28 to 30) arranged at the upper end connecting part of each of the oil feeding ports 24 to 26.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2008220157-A (JP)
Title: Electric motor and manufacturing method therefor
Inventor: ENDO YASUHIRO
IPC: H02K1/02
Filed: 2007-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To improve the yield of motor by effectively preventing a powder magnetic core from plastically deforming due to its engaging with a ring, in a motor.  <P>SOLUTION: An exposed thread in the radial direction between a ring 16 and a yoke 18, corresponding to the ratio of thickness in the ring/yoke in the radial direction, is determined so as to be lower than that of the smaller one, between those of the exposed thread that corresponds to a core stress limit within plastic deformation of the core 12 when the ring 16 is thermally inserted into the core 12, and the exposed thread that corresponds to the limit where the ring 16 is not deformed plastically.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2009147871-A (JP)
Title: Sound pressure stabilizing method and device for underwater sound source
Inventor: TANITSU KENJI
IPC: H04R3/00
Filed: 2007-12-18
Abstract: <P>PROBLEM TO BE SOLVED: To provide a sound pressure stabilizing method and device for an underwater sound source such that sound pressure becomes stable in spite of long-time use and change in environmental condition and there is no unbalance between diaphragms.  <P>SOLUTION: The sound pressure stabilizing device includes a sound wave sensor 7 which detects a sound wave outside an enclosure 3, and a sound pressure control means 11 of controlling so that the sound pressure of the sound wave detected by the sound wave sensor 7 may be equal to a prescribed target sound pressure level by increasing or decreasing the amplitude of a signal supplied to a plurality of actuators 6 when the sound pressure level of the sound wave detected by the sound wave sensor 7 is different from the prescribed target sound pressure level.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009150078-A (JP)
Title: Structure and method for covering stairway
Inventor: IGAKI FUMIHIRO
IPC: E04F11/16
Filed: 2007-12-19
Abstract: <P>PROBLEM TO BE SOLVED: To provide a structure for covering a stairway capable of improving the safety and aesthetic appearance of the stairway and enhancing the sound isolation and slip preventive property during the climbing up and down of the stairway by preventing the position of a stairway covering member from being maladjusted during the covering operation while enabling the shortage or elimination of open time.  <P>SOLUTION: A stairway covering member 2 is so bent upward and downward as to be disposed along the recessed corner part 12 and the nose corner part 11 of the tread 13 of the substrate of the stairway 1, respectively. The stairway covering member is secured to the tread 13 and rise surface 14 of the substrate of the stairway 1 through first adhesive tapes 3a, 3b and an adhesive agent layer 4. The downward rise surface covering part 22 of the stairway covering member 2 on the upper stage is secured onto the upward rise surface covering part 21 of the stairway covering member 2 on the lower stage through a second adhesive tape 30. The first adhesive tapes 3a, 3b are disposed at the bottom part of the stairway on the recessed corner part 12 side of the tread 13 of the substrate of the stairway 1 and the upper part of the stairway on the nose corner part 11 side of the rise surface 14 of the stairway in the lateral direction of the stairway.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009153613-A (JP)
Title: Exercise assisting device
Inventor: MIYAGUCHI MASAMICHI
IPC: A63B23/00
Filed: 2007-12-25
Abstract: <P>PROBLEM TO BE SOLVED: To provide exercise assisting equipment which permits a normal hanging exercise to be done and permits the upper arm regions to be effectively tightened.  <P>SOLUTION: The exercise assisting equipment comprises a grip section 1 which a user P grips and supports 2 supporting the grip section 1 upward, and is used by the user P while supporting the weight by gripping the grip section 1. As a vibration generation mechanism B vibrating the grip section 1, vibrators 4 are incorporated in the grip section 1.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009159326-A (JP)
Title: Mobile communication coexistence system, base station apparatus, and method for controlling base station apparatus
Inventor: TAKAMATSU NOBUAKI
IPC: H04J3/00
Filed: 2007-12-26
Abstract: <P>PROBLEM TO BE SOLVED: To make two or more different mobile communication systems coexist in the same frequency band without reducing the number of users included in each system.  <P>SOLUTION: A present base station 10 belonging to the mobile communication system operating at present communicates with a present mobile station 14 at a transmission rate corresponding to a transmission rate of a first time slot group to all time slots by using at least one time slot included in the first time slot group composed of partial time slots. A next base station 12 that belongs to a next generation mobile communication system to which the same frequency band as that of the mobile communication system operating at present is allocated communicates with a next mobile station 16 at a transmission rate corresponding to the transmission rate of a second time slot group to all the time slots by using at least one time slot included in the second time slot group which does not overlap the first time slot group.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009159760-A (JP)
Title: Electric motor
Inventor: FUJISHIRO NAOKI
IPC: H02K21/14
Filed: 2007-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electric motor which supplies and discharges an actuating fluid to and from an operating chamber to change a phase and suppresses energy loss resulting from a leak of the actuating fluid from a sealed portion of the operating chamber.  <P>SOLUTION: The electric motor includes a phase change mechanism which supplies and discharges the actuating fluid to and from operating chambers 54c and 54d, which are demarcated by a vane fixed to one of first and second rotors and a partition wall 54b fixed to the other of the rotors, to cause at least either of the first and second rotors to rotate around a rotation axis to change a phase representing a relative displacement angle between both rotors. The actuating fluid is made of an electric viscous fluid that increases its viscosity when subjected to an applied voltage. Either of the vane and the partition wall 54a, specifically, the sealed portion 54b of the partition wall 54a includes an electrode 66, specifically, includes a positive electrode 66a for voltage application.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2009164704-A (JP)
Title: Frequency conversion circuit, radio communication apparatus, and system
Inventor: SATO JUNJI
IPC: H04B1/26
Filed: 2007-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a frequency conversion circuit capable of changing a conversion gain of the frequency conversion circuit.  <P>SOLUTION: The frequency conversion circuit 1 comprises an amplifying portion 3 having an amplifier transistor 6 for amplifying an input signal, a switching portion 4 having a pair of differential transistors 7 each mixing the amplified input signal with a local oscillation signal, and a gain switching circuit 5 connected to an interstage D between the amplifying portion 3 and the switching portion 4. The gain switching circuit 5 comprises a capacitor 9 connected to the interstage D and a switch 11 arranged between the capacitor 9 and the earth. If the switch 11 is turned on, a conversion gain of the frequency conversion circuit 1 falls. If the switch 11 is turned off, the conversion gain of the frequency conversion circuit 1 is recovered. The conversion gain of the frequency conversion circuit 1 can be changed by carrying out the on/off control of the switch 11.  <P>COPYRIGHT: (C)2009,JPO&INPIT
Patent JP-2007525805-A (JP)
Title: 湾曲スイッチング素子を備えた高周波ｍｅｍｓスイッチおよびこのスイッチの製造方法
IPC: H01P1/12
Filed: 2005-02-25
Abstract: 本発明は、湾曲した弾性可撓性領域(131,132)を有しかつ自己支持方式で基板(11)に固定された細長いスイッチング素子(13)のほかに、基板(11)の上にある信号導体(12)を備える高周波MEMSスイッチ(10)に関する。電極組立品(14a,14b)は、スイッチング素子を導体(12)の方に動かすためにスイッチング素子(13)に作用する静電力を発生させる。素子(13)は、長手方向で導体(12)と並列に並べられ、そして導体(12)の上を素子(13)に対して横方向に延びる接触領域(15)を備えている。素子(13)の弾性可撓性領域(131,132)は、静電力の作用で、導体(12)に平行に延在方向で電極組立品(14a,14b)の方に漸進的に動く。素子(13)は、例えば2つの平行なスイッチングアーム(13a,13b)を備え、これらのスイッチングアームは、接触領域(15)を形成するブリッジによって相互接続され、さらに導体(12)の両側に位置し、信号導体に平行に延在している。
Patent JP-2007526372-A (JP)
IPC: C08F210/06
Filed: 2005-01-31
Abstract: A method for controlling the flowability of polymer particles flowing downward in a densified form inside a polymerization reactor, in which one or more monomers are gas-phase polymerized in the presence of a polymerization catalyst, the density of solid (Kg of polymer per m<SUP>3 </SUP>of reactor occupied by the polymer) being higher than 80% of the "poured bulk density" of the polymer, the method being characterized in that a liquid stream is continuously fed into the polymerization reactor at a mass flow rate per unity of reactor surface higher than 30 Kg/h m<SUP>2</SUP>.
Patent JP-2007527069-A (JP)
Title: モバイル機器用光学指紋入力装置
IPC: G06K9/00
Filed: 2004-09-14
Abstract: 【課題】  本発明は、厚さを薄くし、かつ、汗（水）または油のノイズを除去し、指紋映像の歪みを防止することができるので、モバイル機器に容易に適用できるモバイル機器用指紋入力装置を提供するためのものである。 【解決手段】  本発明は、モバイル機器用光学指紋入力装置に関するものであって、指紋入力装置は板状からなる指紋接触部材、歪みを補正する歪み補正部材、前記指紋接触部材で傾斜面とは異なる両側面に各々配列された光源または液晶表示素子内のバックライト光源、前記歪み補正部材の傾斜面側に設けられているフォーカシング手段及びイメージセンサーから構成される。即ち、各々設定された傾斜角を有する指紋接触部材と歪み補正部材をおいて汗（水）または油を区分することはもちろん、薄い指紋接触媒質を使用した場合の短所であった台形歪みを補正し、シリンドリカルレンズと球面レンズから構成されたレンズ系を形成して、イメージの横／縦比が調整できるようにしたものである。 【選択図】  図２
Patent JP-2007529908-A (JP)
Title: 炭化ケイ素上に耐久性接触を有するデバイスおよびその製造方法
IPC: H01L21/04
Filed: 2005-03-18
Abstract: ショットキーバリア炭化ケイ素デバイスは、レニウムショットキー金属接触を有している。レニウム接触（２７）は２５０Åよりも厚く、２０００Åから４０００Åまでの間であり得る。ターミネーション構造は、ショットキー接触の周囲の環状領域をイオンミリングすることによって与えられる。
Patent JP-2007529290-A (JP)
Title: マッサージベルト
IPC: A61F7/08
Filed: 2005-07-28
Abstract: 従来、腹部等のマッサージを受ける身体部位に巻き付けて密着固定させるベルトボディに設けられた、モータの両側に偏心錘が設置された振動部で発生する回転速度が同一の振動で、特定の身体部位を按摩するときの回転動作が、単に正方向又は逆方向の単純軌跡を繰り返して描くことから、単調な使用感と単純なマッサージ効果のみしか得られない。   本発明では、ベルトボディ１１に一定の間隔をおいて両側に設置された振動発生部１２で発生する楕円振動で、当該身体部位をマッサージするとき、回転速度及び／又は楕円振動の強さを異ならせて同時に作動しながら、それぞれ発生させた振動が互いに組み合わせられながら多様に変化する連続回転動作が当該身体部位に加えられるので、多様なマッサージ効果及び使用価値を最大限を引き出すことができる。
Patent JP-2007535148-A (JP)
Title: ウエハの配置の簡略化
IPC: H01L21/00
Filed: 2005-04-25
Abstract: 本発明は、半導体製造装置内でウエハを配列するものである。特に、本発明の１以上の特徴は、ウエハを配列装置内で適切に方向付けることを可能とする、ウエハ上に配列されたノッチのような、配列マーキングを迅速にかつ効率的に見出すことに関連する。従来のシステムのようでなく、上記ノッチは、ウエハを確実に保持せず、また回転せずに、設けられる。裏側汚染に相当する照射は、それによって軽減され、また、ウエハを配置することに関連する複雑さやコストは、それによって減少する。
Patent JP-2007536642-A (JP)
Title: マルチｒｆｉｄアンテナによって検出される物品の位置の割り当ておよび推定方法
IPC: G08B5/22
Filed: 2005-05-06
Abstract: 本発明の好ましい諸実施形態によれば、モニタリングされる一つまたは複数の品物またはオブジェクトの位置を推定するための方法（および対応する装置）が提供される。例示的な実施形態では、該方法（および対応する装置）はRFID（電波方式認識）用途（たとえば、RFIDタグを13.56MHzおよび約900MHzにおいて読み取る）において実装される。それは、複数のRFID読み取り器アンテナによってカバーされる一つまたは複数の検出領域において一意的なRFIDタグに関連付けられた品物の位置を推定することによる。
Patent JP-2007537794-A (JP)
Title: 輪状形成術リングを保持するためのシステムおよび方法
IPC: A61L27/00
Filed: 2005-05-12
Abstract: リングの移植の前および移植の間に輪状形成術リングを取り外し可能に保持するホルダーが、ホルダー形状、ハンドル取り付け構造、リングのホルダーへの固定、およびホルダーからのリングの取り外しのようなことに関する種々の特徴のいずれかを使用する。輪状形成術リングを保持および支持するための装置であって、以下：外側ブラケットであって、該輪状形成術リングが該外側ブラケットによって支持され、そして該外側ブラケットが鞍形状を有する、外側ブラケット、を備える、装置。
Patent JP-2008500438-A (JP)
Title: 炭化水素を含む１，１，１，２，２，４，５，５，５−ノナフルオロ−４−（トリフルオロメチル）−３−ペンタノン冷媒組成物およびその使用
IPC: F25D1/00
Filed: 2005-05-25
Abstract: 開示されているのは、１，１，１，２，２，４，５，５，５−ノナフルオロ−４−（トリフルオロメチル）−３−ペンタノンと少なくとも１種類の炭化水素とを含む冷媒および伝熱流体組成物である。これらの組成物は、遠心圧縮機を用いる冷凍および空気調節システムに有用である。同じく開示されているのは、１，１，１，２，２，４，５，５，５−ノナフルオロ−４−（トリフルオロメチル）−３−ペンタノンと少なくとも１種類の炭化水素とを含む共沸または近共沸冷媒および伝熱流体組成物である。