baber/WOPTO huggingface dataset:
Patent JP-2006170768-A (JP)
Title: Apparatus and method for detecting stain and monitoring camera
Inventor: TAKAGI MASATO
IPC: G01N21/15
Filed: 2004-12-15
Abstract: <P>PROBLEM TO BE SOLVED: To provide a stain detection apparatus and a monitoring camera capable of easily detecting a stained state and the state of deposits even when a transparent member such as a glass surface provided for the front of a camera housing of the monitoring camera etc. installed along a road etc. is stained with outside air.  <P>SOLUTION: The stain detection apparatus is provided with a prism having one face, a stain detection surface for detecting the adhesion of stains and deposits to the surface, arranged in the same plane or approximately in the same plane as the transparent member for monitoring the outside; a light emitting means for emitting incident light toward the back surface of the stain detection surface of the prism; and a light receiving means for receiving reflected light reflected at the back surface of the stain detection surface. The angle of incidence of the incident light and the shape of the prism are set in such a way that attenuation may not occur when the incident light is incident onto one interface of the prism and when the reflected light is emergent from the other interface of the prism. The light receiving means receives the reflected light and detects stains and deposits adhering to the stain detection surface.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006169395-A (JP)
Title: Underfill resin composition
Inventor: OHORI TATSUYA
IPC: H01L23/31
Filed: 2004-12-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide an underfill resin composition having good permeation property to a gap and effective for suppression of crack and release after heat cycle test and a semiconductor device using the resin composition.  <P>SOLUTION: The underfill resin composition comprises (A) an epoxy resin, (B) an amine compound or phenol compound curing agent, (C) rubber particles having a shell part composed of an organic polymer and a core part composed of a silicone compound having ≤0°C glass transition temperature and (D) an inorganic filler having 0.1-10 μm maximum particle diameter and ≥3.2 m<SP>2</SP>/g and ≤10 m<SP>2</SP>/g specific surface area and in the resin composition, viscosity of the mixture of the epoxy resin (A) with the curing agent (B) at 25°C is 300-10,000 mPa. A flip chip device is obtained by using the resin composition.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006172299-A (JP)
Title: Composite marker
Inventor: SAITO AKITO
IPC: G06K19/06
Filed: 2004-12-17
Abstract: <P>PROBLEM TO BE SOLVED: To reduce misrecognition by reducing the kinds of used markers.  <P>SOLUTION: A marker 11 having at least three optically recognizable characteristic points, in which three-dimensional arrangement of the characteristic points is already known and a composite marker are used. The composite marker 10 is made by integrally arranging a storage part 12C for storing specific information of the marker 11 permitting specifying which of the composite markers having the markers 11 with the same characteristic points, an antenna 12A for transmitting the specific information of the marker 11 stored in the storage part 12C in non-contact manner, and an IC chip 12B.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006178100-A (JP)
Title: Developing roll
Inventor: KOUNO ATSUHIRO
IPC: G03G15/08
Filed: 2004-12-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide a developing roll capable of preventing an image from occurring horizontal stripes and fogging phenomenon.  <P>SOLUTION: The developing roll is provided with a shaft 1, an intermediate layer 3 formed along an outer periphery surface of the shaft 1 and a surface layer 4 formed along an outer periphery surface of the intermediate layer 3. Particles G for formation of a rough surface are dispersed in the intermediate layer 3 and the surface of the surface layer 4 is formed rough by the distribution of the dispersed particles G. Average thickness of both end parts A in the axial direction in the surface layer 4 is made thinner than the average thickness of a central part B in the axial direction which is in between the end parts A in the axial direction.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005209173-A (JP)
Title: System and method for inducing asynchronous behavioral change in managed application process
Inventor: FRESKO NEDIM
IPC: G06F9/44
Filed: 2004-12-21
Abstract: <P>PROBLEM TO BE SOLVED: To provide dynamic concentration control to separated application processes.  <P>SOLUTION: This system 30 is provided with: at least one application 33 provided as object-oriented program code under the control of a managed code platform; a handler 36 for logically communicating with an execution application manager 31; a local list 46 for identifying one or more constructors 43 corresponding to notifiable objects provided as object-oriented program code; at least one control thread for broadcasting a change request to the managed application process 32; and a listener 34 for iterating over the notifiable objects 35 tracked by each identified constructor 43 to effect a behavioral change in the managed application process 32.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2006175727-A (JP)
Title: Liquid droplet ejection controlling apparatus
Inventor: UNO TETSUO
IPC: B41J2/045
Filed: 2004-12-22
Abstract: <P>PROBLEM TO BE SOLVED: To arbitrarily change an ejection amount, an ejection timing and the like of ink for each nozzle.  <P>SOLUTION: An inkjet printer 1 as the liquid droplet ejection controlling apparatus is equipped with a plurality of nozzles 2<SB>1</SB>-2<SB>n</SB>which eject the ink on the basis of a driving pulse, a plurality of waveform parameter storage parts 11 and 12 which store parameters for determining a driving waveform of the driving pulse, waveform parameter selecting parts 9<SB>1</SB>-9<SB>n</SB>of the same number as that of the nozzles 2<SB>1</SB>-2<SB>n</SB>which select one waveform parameter storage part 11, 12 from the plurality of waveform parameter storage parts 11 and 12, and driving waveform generating parts 6<SB>1</SB>-6<SB>n</SB>of the same number as that of the nozzles 2<SB>1</SB>-2<SB>n</SB>which generate the driving waveform of the driving pulse according to the parameter of the waveform parameter storage part 11, 12 selected by the waveform parameter selecting parts 9<SB>1</SB>-9<SB>n</SB>.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2008064459-A (JP)
Title: Method of quantitative determination for factor derived from pigment epithelium
Inventor: YAMAGISHI SHOICHI
IPC: G01N33/53
Filed: 2004-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To develop an accurate and reproducible method of quantitative determination for a factor derived from a pigment epithelium.  <P>SOLUTION: The method of quantitative determination for the factor derived from the pigment epithelium is characterized in that a sample containing the factor derived from the pigment epithelium is treated with urea of such a concentration that the final concentration exceeds 8 M.  <P>COPYRIGHT: (C)2008,JPO&INPIT
Patent JP-2006157840-A (JP)
Title: Speaker device
Inventor: KAIYA TERUAKI
IPC: H04R7/12
Filed: 2004-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To provide a speaker device capable of preventing abnormal sounds (sounding) from being released from a cap.  <P>SOLUTION: The speaker device is equipped with a vibration system including a voice coil bobbin, a diaphragm, an auxiliary cap, and a cap and a magnetic circuit system. In the configuration of the speaker device, the inner peripheral part of the diaphragm is mounted near the upper end of the outer peripheral wall of the voice coil bobbin, the projection of the cap is inserted into an opening provided to the auxiliary cap, and the auxiliary cap is fixed to the cap. The projections of the cap are fixed to the corresponding recesses of the diaphragm, and the pawls of the cap are fixed to the projections and third flat part of the cap. The auxiliary cap is arranged at a position so as to cover the top surface of the voice coil bobbin, and the outer peripheral part of the auxiliary cap is fixed near the upper end of the outer peripheral wall of the voice coil bobbin with an adhesive agent. By this configuration, when the speaker device is driven, the vibrating region (area) of the cap gets smaller, so that the cap can be prevented from releasing abnormal sounds (sounding).  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006184025-A (JP)
Title: Method of inspecting piping and instruments by auscultation
Inventor: HIRAOKA KAZUJI
IPC: G01N29/14
Filed: 2004-12-24
Abstract: <P>PROBLEM TO BE SOLVED: To certainly and easily inspect the abnormal place and abnormal situation of piping and instruments even in a wide monitor range like not only instruments but also long piping by accurately detecting the predetermined position of an inspection place in order to inspect the situation of the instruments at the time of operation and the situation of piping or the like through which a fluid flows by auscultation.  <P>SOLUTION: In an inspection method due to auscultation, an inspection index 3 like an IC tag is attached to each inspection place 2 and, at the time of inspection of the piping and instruments 1, the data issued from the inspection index 3 is read to detect the inspection place 2 while the data related to the situations of the piping and instruments 1 are measured by the auscultation of the inspection place 2 due to an auscultation rod 4. The frequency and amplitude of vibration measured by the auscultation are converted to signals and the signals are compared with known data and analyzed to grasp the situation of the abnormality or the like of the inspection place 2 of the piping and instruments 1.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006186549-A (JP)
Title: Antenna with trapezoidal element
Inventor: YAMASHITA HIROTOSHI
IPC: H01Q9/28
Filed: 2004-12-27
Abstract: <P>PROBLEM TO BE SOLVED: To solve a problem that it is difficult to satisfy a bandwidth by one element because the bandwidth of the element is narrow in the case of using a dipole antenna for receiving terrestrial digital broadcasting and employing the dipole antenna mounted on an automobile as an antenna for receiving the terrestrial digital broadcasting.  <P>SOLUTION: An antenna 1 employing trapezoidal elements includes: the trapezoidal elements (2, 3); a feeding point 5; and a passive element 4. The trapezoidal elements 2 and 3 are symmetrical around a center axis passing through the feeding point 5, each width of the trapezoidal elements is H1, the length of the long side including the feeding point is L1, and the length of the short side is L1. Further, the passive element 4 is a conductor plate, not connected to the feeding point 5, the length is L3, the width is H3, and located apart from the trapezoidal elements (2, 3) by H2.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006182281-A (JP)
Title: Trailer
Inventor: MORIWAKE TAKUMI
IPC: B62D53/00
Filed: 2004-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a small trailer for an agricultural work vehicle, of simple structure and light weight, which can be easily transported or moved even in a case where it is removed from a tracting vehicle.  <P>SOLUTION: This trailer is provided with an upper frame including component members of a pair of right and left wheels, a pair of right and left vertical members perpendicular to an axis of the wheels to support the axis through suspension devices, and a connection member connecting the right and left vertical members near their forward end, a forward and rear overhanging lateral members, parallel to the axle, connected to a plurality of leg members provided from the upper frame downward, and having overhang parts close to the wheels to hold the right and the left wheels forward and rearward of them below the upper frame, protruding from the right and left wheels outward, a pair of right and left load-carrying plates set on respective overhanging parts of the forward and rear overhanging lateral members outward of the right and left wheels perpendicularly to the axis to extend forward and rearward of the front and rear overhanging lateral members, and a traction bar connected to the connection member at one end, and provided with a connection mechanism to the tracting vehicle at the other end.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006185546-A (JP)
Title: Optical disk, its drive and drive method
Inventor: IIDA TAMOTSU
IPC: G11B7/24033
Filed: 2004-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To provide a reliable optical disk having a plurality of recording layers, its drive and a drive method capable of stably applying a voltage to a selected recording layer.  <P>SOLUTION: This optical disk drive has a generator which generates a voltage by turning the optical disk, and a communication means to communicate with the outside while the disk is turned and driven. The optical disk can be operated without exposing an electrode terminal for supplying power. Thus, it is possible to provide the highly reliable optical disk, its drive and the drive method.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006160234-A (JP)
Title: High-speed energy saving vessel
Inventor: KUNO MASAYA
IPC: B63H19/04
Filed: 2004-12-08
Abstract: <P>PROBLEM TO BE SOLVED: To provide a high-speed energy saving vessel having good efficiency and running with a small resistance.  <P>SOLUTION: The high-speed energy saving vessel is structured so that water is taken in from an intake hole D provided in the vessel lower part and is boosted in the pressure, and the energy of the water is ejected efficiently from the stern through utilization of the transition region in the middle between a laminar flow and a turbulent flow, and thereby a propulsive force is given to the vessel.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2006189984-A (JP)
Title: Method of preprocessing of protein three-dimensional structure data in all electronic wave function computing of protein
Inventor: NAGAMINE YASUO
IPC: G06F19/00
Filed: 2004-12-28
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem that complicated preprocessing such as removing of structural distortion, surface treatment which is required since data frequently includes defectiveness due to an experiment condition etc. is carried out based on trial and error or experiences, though proper three-dimensional structure data is required for converging computing to a true value and published three-dimensional structure data is normally obtained from a protein data bank (PDB) for the three-dimensional structure data when performing a precise quantum chemical computing for protein based on a density functional theory.  <P>SOLUTION: Complicated preprocessing procedure for obtaining the proper three-dimensional structure data is established to automate processing. Utilizing general-purpose molecular dynamics computing software, structure relaxation computing is carried out based on the PDB data to remove the structural distortion. Protein containing a dissociative group is neutralized by surface treatment using counter ions. They are combined to construct a system providing the three-dimensional structure data which can be converged stably in precise quantum chemical computing.  <P>COPYRIGHT: (C)2006,JPO&NCIPI
Patent JP-2005533768-A (JP)
Title: 新規エキセンジン・アゴニスト処方およびその投与方法
IPC: A61P3/04
Filed: 2003-05-28
Abstract: 新規なエキセンジンおよびエキセンジン・アゴニスト化合物処方ならびにその投与方法を提供する。これらの組成物および方法は、血漿グルコースを低下させ、または胃内容排出を遅延および／もしくは鈍化させ、または食物取込みを阻害することによって恩恵を受ける糖尿病または症状を治療するのに有用である。
Patent JP-2005527114-A (JP)
Title: 電子装置用電波遮蔽体
IPC: H05K9/00
Filed: 2003-03-13
Abstract: 電波遮蔽を行う装置。この装置は、フレーム（２２）及びフレームに着脱自在に固着されるカバー（２４）を有する。フレームは、電子コンポーネントのほぼ周面の周りに延びる形状である。フレームは、上壁（３６）、上壁から垂下する側壁（３８）及び上壁からフレームの中央部分（４０）の方へ延びる複数の補強フランジ（５０）を有する。カバーは、上側表面（５４）及びフレームの側壁と係合するために上側表面から延びる複数の部材（２６）を有する。カバーとフレームとは、電子コンポーネントを電波遮蔽する包囲体を形成する。
Patent JP-2005527221-A (JP)
IPC: G01N33/50
Filed: 2003-05-29
Abstract: This invention relates to a method for identifying an individual, in particular human, as a positive responder or a non-responder to a type-I Interferon (IFN) therapy, in particular IFN- beta therapy, used in the treatment of Multiple Sclerosis by determining TRAIL gene expression and/or TRAIL protein level. The invention further relates to the use of said method for monitoring IFN therapy in the treatment of Multiple Sclerosis and to a kit for carrying out said method.
Patent JP-2006515375-A (JP)
IPC: C08L27/12
Filed: 2003-05-05
Abstract: The present invention provides a process of reducing the amount of fluorinated emulsifier in an aqueous fluoropolymer dispersion by contacting the aqueous fluoropolymer dispersion with an anion exchange resin in a non-fixed resin bed, the process comprising:  (a) mixing the aqueous fluoropolymer dispersion with an effective amount of a surfactant so as to stabilize the fluoropolymer dispersion while being contacted with the anion exchange resin; (b) contacting the aqueous fluoropolymer dispersion with an anion exchange resin by agitating the aqueous fluoropolymer dispersion with an effective amount of anion exchange resin for a time of less than 4 hours to reduce the amount of fluorinated emulsifier in the aqueous fluoropolymer dispersion to a desired level; and (c) separating the anion exchange resin from the aqueous fluoropolymer dispersion.
Patent JP-2005529944-A (JP)
Title: 消化の遅い炭水化物としてのプルランの使用
IPC: A23L33/00
Filed: 2003-05-27
Abstract: 本発明は消化の遅い炭水化物としてのプルランの使用と、食品、特に飲料及び食事代用製品へのその配合に関する。
Patent JP-2006508377-A (JP)
Title: 湿式現像可能な反射防止組成物
IPC: C08L85/00
Filed: 2003-06-24
Abstract: 【課題】反射防止組成物および回路の製造に用いられるこれらの組成物の使用方法を提供する。   【解決手段】本発明の組成物は溶媒系に溶解または分散されたポリマーからなる。好ましい態様では、上記ポリマーが、式（Ｉ）および（ＩＩ）からなる群から選択される構造を有する光を弱める部位を含む。ここで、各Ｘ 1 およびＸ 2 は、個別に、電子吸引基からなる群から選択され、Ｒ 2 はアルキル基およびアリール基からなる群から選択され、Ｒ 3 は水素およびアルキル基からなる群から選択される。得られた組成物は、スピンボール適合性があり（即ち、それらは、マイクロクロリソグラフィー工程の焼成段階より先に、または、保管している間に、架橋しない。）、湿式現像でき、優れた光学特性を有している。     【化１９】
Patent JP-2005537551-A (JP)
IPC: G06F12/00
Filed: 2003-08-29
Abstract: Methods and apparatus for transforming data into a format which may be efficiently stored in a non-volatile memory are disclosed. According to one aspect of the present invention, a method for storing information of a first data format in a memory system includes generating statistics associated with the first data format, and transforming the information from the first data format to a second data format using the statistics. Once the information is transformed into the second data format, the information is stored into a memory. Storing the information in the second data format in the memory includes storing an identifier that identifies a transformation used to transform the information to the second data format. In one embodiment, costs associated with storing the information in the second data format are less than or equal to costs associated with storing the information in the first data format.
Patent JP-2006516017-A (JP)
Title: ドープされたフォージャサイトシードを用いる、ドープされたペンタシル型ゼオライトの製造方法。
IPC: C01B39/38
Filed: 2003-08-19
Abstract: ドープされたペンタシル型ゼオライトの製造方法において、以下の工程：ａ）ケイ素源、アルミニウム源、ドープされたフォージャサイトシード及び他のタイプのシーディング用物質を含む水性前駆体混合物を製造すること、及び ｂ）該前駆体混合物を熱的に処理して、ドープされたペンタシル型ゼオライトを形成することを含む方法。この方法は、先行技術に比較してより短い結晶化時間でドープされたペンタシル型ゼオライトをもたらす。
Patent JP-2006501541-A (JP)
IPC: G11B7/24094
Filed: 2003-09-10
Abstract: Disclosed in a security device ( 700 ) comprising two or more magnetic elements ( 702 ). The magnetic elements ( 702 ) are responsive to an applied magnetic field to provide a characteristic response that is difficult to reproduce. The security device ( 700 ) finds application in detecting forgeries.
Patent JP-2006516199-A (JP)
IPC: A61F2/28
Filed: 2003-09-24
Abstract: An implantable device for stabilizing joints is provided. The stabilizing device, or implant, includes an elongated body and at least two bone cutting surfaces. The bone cutting surfaces are adapted to cut bone upon rotation of the body about its longitudinal axis between two bones. The device is adapted to promote bone fusion. In one embodiment, a device to initiate bony fusion between two adjacent vertebral bodies in the spine is provided. Methods of stabilizing joints and promoting bone fusion are also provided.
Patent JP-2006502646-A (JP)
IPC: H04N7/24
Filed: 2003-09-19
Abstract: A method and apparatus for the handling of a recorded data stream and associated linear application is disclosed. Linear real-time playback of the data stream and running of the linear application is commenced from a starting point thereof. On entering a non real-time playback phase, select frames from the data stream are mapped using a mapping scheme to create an interactive trick play stream. Events from the linear application are mapped into the interactive trick play stream using the disclosed mapping scheme.
Patent JP-2006506363-A (JP)
IPC: A61P35/02
Filed: 2003-04-23
Abstract: The present invention includes the use of pelorol, related compounds and pharmaceutical compositions thereof as modulators of SHIP 1 activity. This invention also provides novel terpene compounds capable of modulating SHIP I activity and methods of synthesis thereof.
Patent JP-2006503563-A (JP)
IPC: A23G1/00
Filed: 2003-10-20
Abstract: A device for controlling the condensate or frost formation in chocolate shell production has a mould (2), provided with a plurality of recesses (3) for liquefied of softened chocolate (4) and a die (5) cooled by cooling means (7) and including a plurality of protrusions (6), each fit to be inserted into a respective below recess (3) to mould a chocolate shell, in cooperation therewith, in a maximum approach condition (A) between the die (5) and the mould (2). The device (1) further includes: at least one supply means (8) whose outlet (9) flows directly into the environment and it is orientated in the direction of protrusions (6); dehumidification means (10) to feed the at least one supply means (8) with dehumidified air (50). The supply means (8) is fit to blow dehumidified air (50) nearly at ambient pressure, at least in mutual detachment conditions (D) of mould (2) and die (5), toward the protrusions (6) so preventing the formation thereon of water condensate or frost.
Patent JP-2006505880-A (JP)
Title: 光ディスク上にラベルを書く方法
IPC: G11B7/0037
Filed: 2003-10-14
Abstract: 【課題】改良された方法で記録可能な記録担体上にラベルを書くための方法を実現させること。 【解決手段】記録可能な記録担体(1)上にラベルを書くための方法であって、前記記録担体が、物理パラメータに関する予め決められた、標準化された条件に準拠する。前記方法が：ラベル情報と、そのパラメータ情報が、予め決められた、標準化された条件で言及された物理パラメータの精度より高い精度である、物理パラメータに関するパラメータ情報とを取り出し(22)、かつパラメータ情報を使用して、記録担上にラベル情報を書く(26)。本発明は、更に、この方法を実行するためのデバイスに関する。予め決められた、標準化された条件で記載された物理パラメータの精度より高い精度を有する物理パラメータに関するパラメータ情報を取り出すことは、このようなラベルを、ラベルにおける重大な歪み無しで、書くことを可能にする。
Patent JP-2006506704-A (JP)
Title: データ源とユーザとの間に通信を確立して実行する方法
IPC: G06F17/30
Filed: 2003-11-06
Abstract: 本発明は、データ源とユーザとの間の通信を確立して実行する方法を提供する。通信は、固定ネットワークまたは移動体ネットワークを介して行われる。ユーザへの表示を処理するプログラムをユーザ自身の端末内に置き、端末は、データを含むデータ源にサーバを介して接続し、端末は、サーバとの間のデータの授受を処理する。ユーザから情報を受けるとプログラムは、この情報をレイアウトおよびプロトコルから除いて対話データだけをサーバと更にデータ源とに送り、他方で、データ源からデータを受けると、プログラムは、正しい表示形式と適当なユーザ・レイアウトでユーザに表示するために、このデータを適当なプロトコル内に置く。
Patent JP-2006509432-A (JP)
Title: 音のチャネル・ポーティングを介して音圧レベルの消散をもたらす無線端末
IPC: H04R1/34
Filed: 2003-12-09
Abstract: セルラー電話など移動端末６０のユーザが耳を移動端末６０に密閉して聞く場合に、ユーザに聞こえる音圧レベル（ＳＰＬ）を低減し、耳が移動端末６０に密閉されていない場合は適切な音を提供する装置。音の一部は、端末６０上の耳密閉領域５０から離れて横方向にポートされて、密閉された耳で聞こえるＳＰＬを規定要件内に制御することができる。機械的又は近接スイッチの必要性を低減し、又は無くすことができる。耳が装置６０に密閉されていない場合は、遠位ポート７６、１０４と中心ポート６８、７０を組み合わせて使用することによって、十分なＳＰＬが提供される。警報信号などの音についての過剰なＳＰＬを防ぐことができる。
Patent JP-2006514064-A (JP)
Title: ポルフィリン誘導体
IPC: A61K49/00
Filed: 2003-10-22
Abstract: 本発明は、一重項状態の酸素ラジカルを再生することにより、抗癌剤又は光力学的診断薬として有用である新規のフォトピリン(photopyrin)化合物及びその医薬的に受容可能な塩に関する。本発明による化合物は、従来の光感受性物質よりも優れた利点、例えば一重項酸素を生成する優れた光子収量、良好な物理的安定性並びに強い細胞毒性を有する。また本発明は、式(I)〜(VII)の新規のフォトピリン化合物又はその医薬的に受容可能な塩を有効成分として含有し、それと一緒に医薬的に受容可能な担体を含有する医薬組成物であって、ヒト又は哺乳動物における種々の癌、例えば胃癌、肝臓癌、肺癌、子宮頸癌及び乳癌を予防又は治療するための医薬組成物を提供する。