baber/WOPTO huggingface dataset:
Patent JP-2013511517-A (JP)
Title: ベンゾイミダゾール化合物及びその使用
IPC: A61P13/02
Filed: 2010-11-17
Abstract: この発明は、一般に置換ベンゾイミダゾール化合物、具体的には、メチル ２−（（２−（２，６−ジフルオロ−４−（メチルカルバモイル）フェニル）−５−メチル−１Ｈ−ベンゾ［ｄ］イミダゾール−１−イル）メチル）モルホリン−４−カルボキシラート及びその塩に関する。この発明はまた、こうした化合物を含んでなる医薬組成物及びキット、こうした化合物の使用（例えば、処置方法及び薬剤製剤を含む）、こうした化合物の製造方法、及びこうした方法において使用される中間体に関する。
Patent JP-2013512528-A (JP)
Title: バルク製品混合および包装工場の性能指数を最適化する方法および装置
IPC: G05B19/418
Filed: 2010-11-22
Abstract: 重要な稼働制約条件を満たしながら、１つ以上のバルク製品混合および包装工場の稼働を、指定された性能指数に関して最適化する、生産能力、生産量、および在庫の各計画を、指定された計画対象期間に対して生成する方法を提供する。さらに、この方法を実行するための意志決定ツールおよびコンピュータ実装プログラムを提供する。
Patent JP-2013514186-A (JP)
Title: 金属コイル用の支持台とこのような支持台を有する装置
IPC: B21C47/26
Filed: 2010-12-22
Abstract: 金属コイル（１，１１，３１）が、本質的にその横断面で見て円形の周囲を備え、支持台が、少なくとも３つの支持点（２，２’，１２，３２）を有し、支持台による支承及び／又は搬送を特に確実に行なうために、金属コイル（１，１１，３１）が支持台上に載置されたときに、これら支持点（２，２’，１２，３２）が、金属コイル（１，１１，３１）の周方向に金属コイル（１，１１，３１）に接触するように、支持点（２，２’，１２，３２）が配設されている、金属コイル（１，１１，３１）用の支持台。
Patent JP-2013527129-A (JP)
Title: トランスフェリン受容体に対する抗体及び鉄依存性腫瘍の免疫療法のためのその使用
IPC: A61P43/00
Filed: 2010-12-16
Abstract: 【課題】ヒトトランスフェリン受容体を標的とし、癌、特にリンパ腫又は白血病の型の癌の治療に対して非常に有望である新規な治療用抗体を提供する。 【解決手段】配列番号１、配列番号２、配列番号３、配列番号４、配列番号５、配列番号６、配列番号７、配列番号８、配列番号９、配列番号１０、配列番号１１、配列番号１２、配列番号１３、配列番号１４、配列番号１５、配列番号１６、配列番号１７、配列番号１８、配列番号１９、配列番号２０、配列番号２１、配列番号２２、配列番号２３、配列番号２４、配列番号２５、配列番号２６、配列番号２７、配列番号２８、配列番号２９、配列番号３０、配列番号３１、配列番号３２、配列番号３３、配列番号３４、配列番号３５及び配列番号３６より選ばれる少なくとも１つのアミノ酸配列を備えることを特徴とし、前記アミノ酸配列がヒトトランスフェリン受容体（ＴｆＲ）を標的とする抗体の重鎖（ＣＤＲ−Ｈ）又は軽鎖（ＣＤＲ−Ｌ）の可変ドメインの抗原との相補性を決定する領域（“ＣＤＲ”、相補性決定領域）に相当する分子構造。 【選択図】なし
Patent JP-2013527554-A (JP)
Title: 小型硬化用ランプ組立体用ｕｖｌｅｄを基礎としたランプ
IPC: F21S2/00
Filed: 2010-12-21
Abstract: 【課題】  ＵＶ硬化ランプ組立体用の紫外（ＵＶ）ＬＥＤを基礎としたランプが開示される。 【解決手段】  複数のＵＶ射出ＬＥＤからなるアレイが一体にパッケージ化され且つ円柱レンズの長さに沿って配列されてＵＶＬＥＤを基礎とした光学部品組立体を形成している。該ＵＶＬＥＤを基礎とした光学部品組立体はモジュール型とすることが可能である。ＵＶＬＥＤランプ組立体は、加工部材管周りに配設した複数個のＵＶＬＥＤを基礎とした光学部品組立体を有することが可能である。該加工部材管は不活性ガスで充填させることが可能であり且つ石英又はガラスから構成することが可能である。該加工部材管を逸れるＵＶ光を回収し且つ該光を該加工部材の反対側にフォーカスさせるために、１個又はそれ以上の湾曲した背面反射器をＵＶＬＥＤを基礎とした光学部品組立体に対向して配置させることが可能である。該ＵＶＬＥＤは単一表面又はマルチレベル段付きプラットフォーム上に配置させることが可能である。 【選択図】  図４
Patent JP-2013519265-A (JP)
Title: イーサネットリングネットワークノードのアドレステーブルにおける反復リフレッシュの防止方法及び防止装置
IPC: H04L12/437
Filed: 2010-04-12
Abstract: 【課題】リングプロテクションリンクネイバーノードがアドレステーブルを反復してリフレッシュしてしまう問題を解決すること。 【解決手段】本発明は、イーサネットリングネットワークノードのアドレステーブルにおける反復リフレッシュの防止方法及び装置を開示した。イーサネットリングネットワークノードのポート状態がブロック状態に変更された後、前記イーサネットリングネットワークノードがリングプロテクションリンクネイバーノードであるかどうかを判断し、かつ、リングプロテクションリンクブロックプロトコルフレームによってブロックがトリガされたかどうかを判断し、判断結果がいずれも肯定的である場合、前記イーサネットリングネットワークノードが、リングにおいて、イーサネットリングネットワークノード自身の２つのポートに対応するリフレッシュ記録情報を記憶する。本発明の方法及び装置によって、イーサネットリングネットワークのスイッチバックのシナリオで、リングプロテクションリンクネイバーノードがアドレステーブルを反復してリフレッシュしてしまう問題を効果的に解決することができる。これにより、イーサネットリングネットワークのプロテクションスイッチング時のトブロードキャスト通信量を低減することができ、スイッチング効率を向上させることができる。 【選択図】図４
Patent JP-2013519966-A (JP)
Title: サーボ・トラックのゼロ基準に対するスキュー・アクチュエータによるサーボ検出方法、及びそのシステム
IPC: G11B5/56
Filed: 2011-01-20
Abstract: 【課題】  長手テープのサーボ・トラックを検出するための方法、サーボ・システム、サーボ検出システム、及びデータ・ストレージ・ドライブを提供すること。 【解決手段】  長手テープのサーボ・トラックを検出するためのサーボ検出システム。読み取り／書き込みヘッドにおいて、２つのサーボ読み取りヘッドが第１のヘッド・モジュール上で横方向に離間され、第１のモジュールから長手方向に離間された第２のヘッド・モジュール上の１つのサーボ読み取りヘッドが存在する。方法は、最初に第１のモジュールの１つのサーボ読み取りヘッド及び第２のモジュールのサーボ読み取りヘッドを用いてテープのサーボ・トラックを検知し、サーボ・トラックのスキューずれを判定することを含む。判定されたスキューずれを表すゼロ基準値が格納される。検出システムは、各モジュールの１つのサーボ読み取りヘッドから、第１のモジュールの２つのサーボ読み取りヘッドに切り換え、格納された値を用いて、読み取り／書き込みヘッドをゼロ・スキュー位置に位置決めする。次いで２つのサーボ読み取りヘッドを用いて２つのサーボ・トラックを読み取り、データバンドの識別及びスキューの制御を行う。 【選択図】      図７
Patent JP-2013522066-A (JP)
Title: 燃料タンクの製造方法、およびハイブリッド車両におけるその使用
IPC: B29C65/02
Filed: 2011-03-07
Abstract: 熱可塑性壁と、外側表面の少なくとも一部分に繊維補強材とを備える燃料タンクを製造する方法であって、タンクの壁を得るために、溶融した熱可塑性パリソンを型で成形し、冷ます段階と、タンクの壁の熱可塑性物質と同様の熱可塑性物質、またはタンクの壁の熱可塑性物質と相溶性のある熱可塑性物質を含む繊維補強材を選択し、補強材の熱可塑性物質が軟化する、さらには溶融するように、この補強材を加熱する段階と、2つの要素の溶接を可能とする力を加えることによって、補強材をタンクの外側表面に付着させる段階とを含む、方法。
Patent JP-2014134424-A (JP)
Title: Interface inspection method of composite structure, interface inspection device and interface inspection program
Inventor: YANAGIHARA ARISA
IPC: G01N29/00
Filed: 2013-01-09
Abstract: PROBLEM TO BE SOLVED: To provide an interface inspection method capable of easily identifying a state of an interface between concrete and a steel plate without scanning of a probe.SOLUTION: A interface inspection method includes the steps of: transmitting ultrasonic waves to a composite structure formed from a cement composite material and a metal plate, receiving reflection waves and acquiring signal waveforms; computing a reference time for the reflection wave to appear in the signal waveform on the basis of an inter-center distance from a center position of a probe for transmission to a center position of a probe for reception, and a sonic velocity of a wave propagation within the metal plate computed on the basis of a frequency of the ultrasonic wave transmitted from the probe for transmission and thickness of the metal plate (S3); computing a time width with respect to the reference time on the basis of the frequency of the ultrasonic wave transmitted from the probe for transmission and the number of transmitted ultrasonic waves (S4); and determining a filled state of an interface of the composite structure on the basis of a maximum echo height in echo heights of signal waveforms included in the range from a time obtained by subtracting the time width from the reference time to a time obtained by adding the time width to the reference time, in the signal waveform (S6-S9).
Patent JP-2014135617-A (JP)
Title: Video conference system
Inventor: MURATA RYOJI
IPC: H04N7/15
Filed: 2013-01-09
Abstract: PROBLEM TO BE SOLVED: To provide a video conference system capable of easily realizing a video conference even if main terminal devices installed at respective bases are not equipped with moving image photographing functions, when performing the video conference among the plural bases.SOLUTION: A video conference system (1) comprises: plural main terminal devices (10) respectively equipped with displays (11) and connected so as to be communicable with each other; and portable terminal devices (20) which are provided with cameras (24) and each connected with one of the main terminal devices (10) and each transmits to the main terminal device (10) the moving image signal of a moving image photographed by the camera (24). When a main terminal device (10) connected with a portable terminal device (20) receives a moving image signal from the portable terminal device (20), the main terminal device (10) transmits the moving image signal to another main terminal device (10). When each main terminal device (10) receives a moving image signal from a main terminal device (10) other than itself, the main terminal device (10) displays a moving image based on the moving image signal on the display (11) of itself.
Patent JP-2014136974-A (JP)
Title: Heat accumulation device
Inventor: TSUCHINO KAZUNORI
IPC: F02N19/10
Filed: 2013-01-15
Abstract: PROBLEM TO BE SOLVED: To provide a heat accumulation device capable of stably emitting latent heat.SOLUTION: A heat accumulation device 15 includes: an accumulator 71 accumulating heat as latent heat and emitting the latent heat; and an accumulator ECU 23, and is incorporated in a vehicle 1. The accumulator 71 includes: a latent-heat accumulation material 111 accumulating the latent heat while the vehicle 1 is driven; and a heat medium making heat exchange with the latent-heat accumulation material 111. The accumulator ECU 23 determines whether the latent-heat accumulation material 111 corresponds to a second range on the basis of a determination temperature THs (heating temperature, retention time), identification data for identifying whether the latent-heat accumulation material 111 corresponds to a first range that is a range of a heating temperature and retention time at/for which a liquid phase state of the latent-heat accumulation material 111 is kept unstably or the second range that is a range of the heating temperature and the retention time at/for which the liquid phase state of the latent-heat accumulation material 111 is kept stably, and a temperature history TH (heating temperature, retention time). If determining that the latent-heat accumulation material 111 corresponds to the second range, the accumulator ECU 23 controls the accumulator 71 to emit the latent heat.
Patent JP-2014136450-A (JP)
Title: Invasion prevention implement for vessel
Inventor: GONNO YOSHIAKI
IPC: B63G13/00
Filed: 2013-01-15
Abstract: PROBLEM TO BE SOLVED: To provide an invasion prevention implement for vessels with high safety and sufficient workability during the implementing time, while preventing the invasion of invaders.SOLUTION: An invasion prevention implement 1 for vessels includes barbed wire 13 which can be arranged so as to project over the outside of the hull 100 of a vessel, a holding part 11 which is at least attached to the handrail 2 of the broad side part 110 in the hull 100 so as to hold the barbed wire 13, and a connection part 12 which is movable along the holding part 11 and connects the barbed wire 13 and the holding part 11. The holding part 11 has a first extension part 11a extending in the inner side of the hull 100 rather than the handrail 2, a second extension part 11b extending in the outer side of the hull 100 rather than the handrail 2, and a third extension part 11c connecting the first extension part 11a and the second extension part 11b and guides the movement of the connection part 12 along the holding part 11 with the first extension part 11a, the second extension part 11b, and the third extension part 11c.
Patent JP-2014137869-A (JP)
Title: All-solid-state battery and manufacturing method therefor
Inventor: OSE TOKUHIRO
IPC: H01M10/0562
Filed: 2013-01-15
Abstract: PROBLEM TO BE SOLVED: To provide an all-solid-state battery in which reduction of capacity is minimized, and a negative electrode layer contains sulphur.SOLUTION: An all-solid-state battery 10 includes at least a negative electrode layer 1 containing a negative electrode active material and a sulfide solid electrolyte, and a negative electrode collector 4 which is in contact with the negative electrode layer and contains a metal capable of reacting on the sulfide solid electrolyte. A sulphur compound produced by reaction of a metal contained in the negative electrode collector and the sulfide solid electrolyte contained in the negative electrode layer does not exist at the contact part with the negative electrode collector of the negative electrode layer.
Patent JP-2013229851-A (JP)
Title: High frequency transmission line, antenna and electronic circuit board
Inventor: YOSHIDA KENICHI
IPC: H05K1/09
Filed: 2013-01-16
Abstract: PROBLEM TO BE SOLVED: To provide a high frequency transmission line having a small AC resistance.SOLUTION: In the high frequency transmission line provided along the surface of an insulating substrate, when the frequency of an AC electric signal transmitted by the high frequency transmission line is F (Hz), and the saturation magnetization per unit area of the high frequency transmission line is Ms (WB/m), the numeric value F of frequency and the numeric value Ms of the saturation magnetization per unit area satisfy the following mathematical expression Ms≤(1.5×10)/F+5.7×10(1).
Patent JP-2014107865-A (JP)
Title: Bidirectional communication system based on source device and extension device, and method therein
Inventor: PARK CHAN-BUM
IPC: G06F3/048
Filed: 2013-01-21
Abstract: PROBLEM TO BE SOLVED: To provide a bidirectional communication system based on a source device and an extension device, and a method therein.SOLUTION: In a bidirectional communication system based on a source device and an extension device, the source device includes: a system operation unit in charge of system operation of the source device; a video processing unit for processing a video signal to be transmitted to the extension device; a radio communication unit for performing radio communication with the extension device; and an extension agent unit for processing a user input transmitted from the extension device. The extension device includes: a radio communication unit for performing radio communication with the source device; a video processing unit for processing the video signal transmitted from the source device; a display unit for displaying the video signal; and a user input unit for providing a user interface of the extension device.
Patent JP-2014147140-A (JP)
Title: Storage battery system
Inventor: KAMATA SEIJI
IPC: H02J7/02
Filed: 2013-01-25
Abstract: PROBLEM TO BE SOLVED: To provide a storage battery system capable of easily deciding the cause of a communication fault when the communication failure occurs.SOLUTION: A storage battery system 1 comprises: a storage battery 10 having battery modules 11a to 11d formed by series-connecting battery cells C; voltage monitor circuits 20a to 20d for monitoring voltages of battery cells C forming battery modules 11a to 11d; and a battery controller 40 for controlling discharge and charge of the storage battery 10 based on the monitoring information obtained from the communication with voltage monitor circuits 20a to 20d. The battery controller 40 comprises: an abnormal position determination part 40a that when communication failure occurs between voltage monitor circuits 20a to 20d, calculates an estimated output voltage of the storage battery 10 by using one of the monitoring information of battery cells C obtained from one of voltage monitor circuits 20a to 20d before the communication failure, and determines the abnormal position of the communication failure by comparing the estimated output voltage with the output voltage Vo of the storage battery 10 after the communication failure.
Patent JP-2014145219-A (JP)
Title: Movable type guard fence and guard fence using the same
Inventor: UEDA TATSUKI
IPC: E01F15/04
Filed: 2013-01-30
Abstract: PROBLEM TO BE SOLVED: To provide a movable type guard fence which has a less complicated structure in comparison with a general guard fence and can be easily manufactured and installed, and a guard fence using the same.SOLUTION: A movable type guard fence 1 is configured by attaching fence members 3 between a plurality of braces 2 erected with a predetermined space on an installation surface G. The brace 2 includes a base plate 21 and a columnar body 22 erected on a top face of the base plate 21. The base plate 21 has casters 23 attached to its underside, and the base plate 21 is fixed to the installation surface G with the casters 23 therebetween by releasable fixing means 4.
Patent JP-2013177677-A (JP)
Title: Method for producing copper fine particle, copper fine particle dispersion, and method for preserving copper fine particle dispersion
Inventor: YAMANAKA NOBUMITSU
IPC: H01B1/00
Filed: 2013-01-30
Abstract: PROBLEM TO BE SOLVED: To provide a method for producing copper fine particles by reducing copper ions with a reducing agent in a reduction reaction aqueous solution to form copper fine particles, and then collecting aggregates of the copper particles from the aqueous solution.SOLUTION: A method for producing copper fine particles includes: precipitating copper fine particles (P) in a dispersed state by reducing copper ions in a reduction reaction aqueous solution (L1) under the presence of a reducing agent (R) and a dispersant (D); and then collecting aggregates of the copper fine particles (P) by regulating an oxidation-reduction potential (potential at 25°C) of a standard hydrogen electrode potential reference of an aqueous solution (L2) after the reduction reaction to -820 mV or more and -300 mV or less.
Patent JP-2013121977-A (JP)
Title: Therapeutic vaccine targeted against p-glycoprotein 170 for inhibiting multidrug resistance in treatment of cancer
Inventor: TOSI P FRANCOIS
IPC: A61K39/00
Filed: 2013-02-01
Abstract: PROBLEM TO BE SOLVED: To provide alternative treatments to known treatments for multidrug resistance in cancer.SOLUTION: The invention relates to an immunogenic composition comprising conjugates comprising firstly, a carrier and secondly, all or a part of the amino acid sequences of at least one peptide derived from an extracellular loop of P-170 protein as an antigenic structure so as to allow, under suitable administration conditions, the induction of anti-P-170 antibodies. Each peptide is combined with some of molecules of fatty acid containing a carbon chain of between C12 and C24.
Patent JP-2014150446-A (JP)
Title: Radio transmission system
Inventor: AKIYAMA HITOSHI
IPC: H04N7/173
Filed: 2013-02-01
Abstract: PROBLEM TO BE SOLVED: To enable efficient allocation of a transmission channel in a radio transmission system requiring an occupation channel, by considering interference among a plurality of transmission systems.SOLUTION: A radio transmission system is a system for radio transmission of signals between a plurality of transmission devices 11 to 14 and a plurality of reception devices 21 to 24. Each transmission device includes a first modulation-demodulation channel selection part 113 for signal modulation and frequency conversion for transmission through a transmission channel. Each reception device includes a second modulation-demodulation channel selection part 213 for performing frequency conversion and demodulation of signals transmitted from each transmission device, and for detecting reception sensitivity for a received signal, and includes a control device 3 for controlling radio transmission via each reception device. The control device 3 includes a control part 33 for obtaining reception sensitivity for each of combinations among a plurality of the transmission devices and a plurality of the reception devices from each reception device, storing the sensitivity in a storing part 31 as reception sensitivity information, selecting a reception device to start radio transmission by referring to the stored reception sensitivity information, and determining a transmission channel to be used by the selected reception device.
Patent JP-2014151468-A (JP)
Title: Resin molding and method for manufacturing the same
Inventor: CHIKUAN KENJI
IPC: B29C45/14
Filed: 2013-02-05
Abstract: PROBLEM TO BE SOLVED: To provide a resin molding capable of inhibiting both a rigidity attenuation and a hermeticity deterioration; and a method for manufacturing the same.SOLUTION: In a resin molding including: a cylindrical unit (10) possessing a bottom unit (11) and a cyclic wall unit (12) formed on the fringe of the bottom unit; a columnar unit (30) configured within an inner space surrounded by the wall unit of the cylindrical unit; and a resin unit (50) filled into the gap between the columnar unit and the cylindrical unit, an air release hole (13) for inhibiting, on an occasion where the columnar unit has been inserted into the inner space of the cylindrical unit and where a molten resin has been filled into the gap between the cylindrical unit and the columnar unit, the lingering of air within the space between the cylindrical unit and the columnar unit is formed on the bottom unit of the cylindrical unit, whereas a cyclic protrusion unit (14) scheduled to be melted by a shear heat generated as a result of the fluidization of the molten resin is formed on the periphery of the air release hole on the bottom unit.
Patent JP-2014154971-A (JP)
Title: Image display device, image display method, and program
Inventor: OFUJI HIROSHI
IPC: G06T11/60
Filed: 2013-02-06
Abstract: PROBLEM TO BE SOLVED: To lighten burdens on a user and prevent the capacity of a recording device from being pressured when selecting desired image data from among a group consisting of multiple image data derived from one image data.SOLUTION: When determining a thumbnail image to be displayed in a selected display mode in which only one thumbnail image representing a classified group of similar thumbnail images is displayed, editing operations between editing history stacks determined to have duplicates of a previous step id in a plurality of link files are compared with each other. If a value obtained by summing up each differential value per editing operation is less than or equal to a threshold, one of the thumbnail images is not displayed.
Patent JP-2014153843-A (JP)
Title: Analysis processing system
Inventor: NAGAI YOICHI
IPC: G06F9/50
Filed: 2013-02-07
Abstract: PROBLEM TO BE SOLVED: To solve the problem that the throughput of analysis processing is reduced.SOLUTION: The analysis processing system includes analysis processing devices 310 and 320 for performing a series of analysis processing by combining a plurality of analysis engines. Each analysis processing device is connected to each other so as to be able to mutually perform data communication, and includes each analysis engine 311 and the like for performing a series of analysis processing, respectively. The analysis processing system further includes: performance information acquisition means 313 for acquiring analysis processing performance information showing performance of the analysis processing executed by each analysis engine; and allotting means 314 for allotting execution of the analysis processing by the analysis engine to each analysis processing device on the basis of the acquired analysis processing performance information.
Patent JP-2013189972-A (JP)
Title: Hydraulic power generation device
Inventor: FUJIWARA HIROKI
IPC: F03B17/06
Filed: 2013-02-12
Abstract: PROBLEM TO BE SOLVED: To miniaturize a hydraulic power generation device having a spiral blade.SOLUTION: A hydraulic power generation device includes a hollow shaft 32 having a spiral blade 30 on an outer periphery, a power generator 40, and a transmission 50. The hollow shaft 32 is rotatably supported with a fixed shaft 20 so as to be rotated by a water current flowing toward the spiral blade 30. The power generator 40 is arranged inside the hollow shaft 32. The transmission 50 is arranged between an upstream end of the hollow shaft 32 and the power generator 40, in the hollow shaft 32, and transmits driving force from the hollow shaft 32 to a rotor 42 of the power generator 40.
Patent JP-2014151859-A (JP)
Title: Electrical system for vehicle
Inventor: FURUTA HIROSHI
IPC: B60R16/02
Filed: 2013-02-13
Abstract: PROBLEM TO BE SOLVED: To provide an electrical system for a vehicle in which safety is improved by avoiding a state that a horn is broken and cannot be sounded.SOLUTION: A smart J/B41 causes a horn 2E to sound according to operation of a horn switch 10A. When an input/output substitute connector 18 connected to the horn 2E detects that the horn 2E is broken, the input/output substitute connector 18 transmits the detection result to the smart J/B41. The smart J/B41 causes a security horn 5A to sound according to operation of the horn switch 10A in place of the horn 2E.
Patent JP-2014153658-A (JP)
Title: Drive point determination device of non-negative value spatial decomposition, drive point determination method of non-negative spatial decomposition, articulation parameter estimation device, articulation parameter estimation method, and program
Inventor: HIROYA SADAO
IPC: G10L25/00
Filed: 2013-02-13
Abstract: PROBLEM TO BE SOLVED: To provide a drive point determination technique capable of obtaining a drive point so that a drive point based on a vocal track spectrum parameter and a drive point based on an articulation parameter can be aligned with each other.SOLUTION: A correction coefficient for correcting a drive point of a voice tract spectrum parameter by a linear conversion is decided using an articulation parameter, and a correction of the drive point of the voice tract spectrum parameter is performed using this correction coefficient. Specifically, a coefficient (correction coefficient) of a linear function is calculated, in which a squared error between the drive point after correction obtained by linearly converting the drive point based on the voice track spectrum parameter and the drive point based on the articulation parameter is minimized using the drive point based on the voice tract spectrum parameter and the drive point based on the articulation parameter, and the drive point based on the voice tract spectrum parameter is corrected using the correction coefficient.