baber/WOPTO huggingface dataset:
Patent JP-2005517708-A (JP)
Title: アルコキシ化されたアシル−及びビスアシルホスフィン誘導体
IPC: G03F7/029
Filed: 2003-02-04
Abstract: 本発明は式（Ｉ）［式中、ＹはＯ、Ｓ、ＮＲ ３ 、Ｎ−ＯＲ ３ 又はＮ−ＮＲ ３ Ｒ ４ を表し、ＺはＯ、Ｓ、ＮＲ ３ 、Ｎ−ＯＲ ３ 、Ｎ−ＮＲ ３ Ｒ ４ 又は自由電子対を表し、Ｈｅｔ １ 及びＨｅｔ ２ は互いに無関係にＯ、Ｓ及び／又はＮＲ ５ を表し、かつ他の基は明細書中に記載の意味を有する］のアシル−又はビスアシルホスフィンン誘導体に関する。また本発明はこれらの誘導体の製造方法及びその使用に関する。
Patent JP-2005519331-A (JP)
Title: カラー写真記録材料
IPC: G03C7/30
Filed: 2003-02-25
Abstract: 支持体上に少なくとも１種のイエローカプラーを含有する少なくとも１層の青−感性ハロゲン化銀乳剤層、少なくとも１種のマゼンタカプラーを含有する少なくとも１層の緑−感性ハロゲン化銀乳剤層、少なくとも１種のシアンカプラーを含有する少なくとも１層の赤−感性ハロゲン化銀乳剤層を、通常の非−感光性層とともに含有するカラー写真材料であって、少なくとも１層が一般式（Ｉ）又は（II）：[式中、Ｒ 1 −ラジカル及びＲ 2 −ラジカルは、好ましくはメチルであり；そして一般式（II）の化合物は、好ましくはＲ 3 がラジカル：−ＣＨ（ＣＨ 3 ）−Ｘ−Ｄ（式中、Ｘは、フェニレンであり、Ｄは、基（IV）、又は基：−Ｃ（Ｏ）−Ｃ 1 −Ｃ 18 アルキル若しくは基：−Ｏ−ＣＨ 2 −ＣＨ（ＯＨ）−ＣＨ 2 −ＮＲ 12 Ｒ 13 （Ｒ 12 及びＲ 13 は、Ｃ 1 −Ｃ 18 アルキルであるか若しくは請求項１で定義したとおり一緒になって４乃至８員環を形成する）であるか、あるいは Ｄは、基：−Ｏ−ＣＨ 2 −ＣＨ（ＯＨ）−ＣＨ 2 −Ｎ（Ｒ 12 ）−ＣＨ 2 −ＣＨＯＨ−ＣＨ 2 −Ｏ−、又は基：−Ｏ−ＣＨ 2 −ＣＨ（ＯＨ）−ＣＨ 2 −Ｗ−ＣＨ 2 −ＣＨＯＨ−ＣＨ 2 −Ｏ−（Ｗは、二価のアミノ基（−Ｎ（Ｃ 1 −Ｃ 18 アルキル）−）、ポリアミン残基、ポリエチレンイミン残基又はポリオキシアルキレンアミン残基である）である）であり；Ｚ及びＺ′は、例えばＣ 1 −Ｃ 12 アルキル、Ｃ 3 −Ｃ 12 アルケニル、Ｃ 3 −Ｃ 12 アルキニル、Ｃ 5 −Ｃ 8 シクロアルキルであるか、又はＺ及びＺ′は、一緒になって−ＣＨ 2 −ＣＨ 2 −又は−ＣＨ 2 −Ｃ（Ｒ 18 ）（Ｒ 19 ）−ＣＨ（Ｒ 20 ）−などの二価の基を形成する、一般式（III）の化合物である]の化合物を含むことを特徴とするカラー写真材料。
Patent JP-2005527521-A (JP)
IPC: A61K45/00
Filed: 2003-03-12
Abstract: N-(Substituted benzyl)-8-hydroxy-1,6-naphthyridine-7-carboxamides are inhibitors of HIV integrase and inhibitors of HIV replication. The naphthyridine carboxamides are of Formula (I): wherein R<SUP>1'</SUP>, R<SUP>2'</SUP> and R<SUP>3'</SUP> are defined herein. The compounds are useful in the prevention and treatment of infection by HIV and in the prevention, delay in the onset, and treatment of AIDS. The compounds are employed against HIV infection and AIDS as compounds per se or in the form of pharmaceutically acceptable salts. The compounds and their salts can be employed as ingredients in pharmaceutical compositions, optionally in combination with other antivirals, immunomodulators, antibiotics or vaccines. Methods of preventing, treating or delaying the onset of AIDS and methods of preventing or treating infection by HIV are described.
Patent JP-2005520201-A (JP)
Title: ファイバ及びレンズのグリッパ、光デバイス並びに製造方法
IPC: G02B6/35
Filed: 2003-03-06
Abstract: レンズ付ファイバ素子（２２）を位置決めするためのデバイス及び方法並びに光デバイスが開示される。デバイス及び方法は、平坦基板（１２）上に配置されたレンズグリップ素子（２０）及びファイバグリップ素子（１８）を含む。このデバイス及び方法は光ファイバとレンズのアレイ及び導波路デバイスの製造に有用である。
Patent JP-2005195424-A (JP)
Title: Time domain vibration spectroscopy and device of interface based on 4th nonlinear optical effect
Inventor: ONISHI HIROSHI
IPC: G01N21/39
Filed: 2004-01-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a time domain vibration spectroscopy and its device of an interface based on the 4th nonlinear optical effect capable of measuring even an interface in liquid or a solid-solid interface which is difficult in conventional measurement, and observing a very high speed response from an interface material corresponding to various materials.  <P>SOLUTION: Writing light and reading light having variable wavelength respectively, either of which is relatively time-delayed, are condensed onto a measuring object material, and signal light having the wavelength which is approximately a half of the reading light is emitted from the measuring object material, and only the signal light is detected by using a filter for blocking reflected light and scattered light of the writing light and the reading light and transmitting only the signal light.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005196575-A (JP)
Title: Commodity management system, commodity management server, commodity management program, and information recording medium
Inventor: SHIINA YASUHIRO
IPC: G06Q10/00
Filed: 2004-01-08
Abstract: <P>PROBLEM TO BE SOLVED: To grasp a usage status of a commodity by a consumer without carrying out a questionnaire or the like.  <P>SOLUTION: A non-contact IC tag 1-i recording a food material ID uniquely indicating a food material is adhered to the food material. When the food material is purchased by the consumer and stored in a refrigerator 2-j, the refrigerator 2-j reads the food material ID from the non-contact IC tag 1-i, sends it to the commodity management server 4, and acquires food material information from the server 4. The refrigerator 2-j creates and updates a stock status management file f showing a stock status of the food material stored within on the basis of the food material information and the food material ID, and sends it to the commodity management server 4. The commodity management server 4 creates distribution state information indicating a distribution state in the market of each commodity on the basis of the food material information, refrigerator information, and the stock status management file f sent from the refrigerator 2-j, and sends it to a corporate terminal 5-k.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005198455-A (JP)
Title: Pole switch in case
Inventor: HIRANO SUKEHIRO
IPC: H02B5/02
Filed: 2004-01-09
Abstract: <P>PROBLEM TO BE SOLVED: To provide a pole switch in a case capable of improving cost reduction and the beauty of nature and having simplified installation legs for temporary setting on the bottom of the case.  <P>SOLUTION: This switch is a pole switch contained in the case which has the installation legs for temporary setting on the bottom of the case. The switch is positioned at the center of one side of the bottom of the rectangular case, is mounted with a breathing plug for airtightness inspection consisting of a nut and a bolt, and the small-diameter installation legs flush with the height of the breathing plug and appropriately spaced from each other so that balancing of the switch may be kept at the time of installing the installation legs on the ground, on the other side at a position facing the breathing plug.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005199458-A (JP)
Title: Droplet discharging apparatus, method for processing capping device, and method for manufacturing device
Inventor: USUDA HIDENORI
IPC: H05K3/10
Filed: 2004-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To provide a droplet discharging apparatus capable of preventing a nozzle opening or the like of a droplet discharging head from clogging or the like and suppressing useless consumption of a liquid by controlling accumulation/growing of solid substances in a sealing part for sealing the droplet discharging head, and to provide a method for processing a capping device or the like.  <P>SOLUTION: The discharging head 20 provided on the droplet discharging apparatus is equipped with a plurality of heads 20a-20d discharging droplets. Among these heads, the heads 20b-20d are the heads discharging a specified liquid as droplets, and the head 20a is a head discharging a solvent containing at least one of a penetrant and a humectant to the droplets discharged from the heads 20b-20d as droplets. At least one of the penetrant and the humectant is fed into a capping part where the heads 20a-20d are respectively capped by using the head 20a.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004106841-A (JP)
Title: Bag for airbag device for vehicle
Inventor: SOGI HIDEHITO
IPC: B60R21/16
Filed: 2004-01-13
Abstract: <P>PROBLEM TO BE SOLVED: To reduce a developing speed of a bag toward an occupant side by introducing a gas flow in right and left directions with good balance.  <P>SOLUTION: A folded system, by which it is difficult to expand the bag in a gas blowing direction from a straightening material, is adopted in this bag for an airbag device for a vehicle.  <P>COPYRIGHT: (C)2004,JPO
Patent JP-2005199824-A (JP)
Title: Door vicinity illuminating device for vehicle
Inventor: KIMURA HIDETOMO
IPC: F21S8/10
Filed: 2004-01-14
Abstract: <P>PROBLEM TO BE SOLVED: To illuminate a vicinity of the feet of a passenger when getting on/off from a vehicle, and at the same time, to surely visually recognize that an unlocking operation to the vehicle has been performed regardless of the daytime or nighttime.  <P>SOLUTION: An illuminating device 10 is provided in a mirror stay 18 which holds a mirror device 16 on a front door 14 of the vehicle 12. When passengers 68a and 68b get on/off from the vehicle 12, a luminescent light which is emitted from a bulb fitted on the main body section of the illuminating device 10 is cast to the outside from a displaying section which tilts toward the top of the vehicle 12. Thus, a locking or unlocking state of the vehicle 12 is visually recognized, and at the same time, irradiation with the luminescent light downward from a first protruding section being tilted toward the bottom of the vehicle 12, a road surface 78 in a vicinity of the feet when the passengers 68a and 68b get on/off is illuminated.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005200339-A (JP)
Title: Antimicrobial agent
Inventor: SAKAI TAKUO
IPC: A61P1/02
Filed: 2004-01-15
Abstract: <P>PROBLEM TO BE SOLVED: To obtain an antimicrobial agent that has no anxiety of causing a disorder in the human body, an excellent fragrance, uses a readily available substance, hardly has skin irritation and unpleasantness, slight residue in the skin and excellent persistency of antibacterial activity.  <P>SOLUTION: The antimicrobial agent comprises one or more kinds selected from the group consisting of Neroli tunisian oil, Rose turkish oil, Ceder leaf oil, Linolool oil, Geraniol oil, Cumin oil, Clove oil, Peppermint oil, Pimento berry oil, Cinnamon bark (Madagascar) oil, Lemongrass oil, Bay leaf oil, Tyme white oil, Citronellol oil, Sage dalmation oil and Hydroxy citronellal oil as an active ingredient.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005204145-A (JP)
Title: Capacitance-loaded type antenna assembly
Inventor: SASAKI KATSUMORI
IPC: H01Q9/38
Filed: 2004-01-16
Abstract: <P>PROBLEM TO BE SOLVED: To provide an antenna assembly which better can obtain directivity in a horizontal surface, in addition to the advantage that it is constituted at a low attitude.  <P>SOLUTION: An element part 20 is constituted of three or more element boards 21 of identical shape, radially arranged at angle intervals approximately equal to the surroundings of a central axis line of a grounding plate 10. Each element board 21 is formed so that the interval formed by the outside edge facing the grounding plate 10 and the grounding plate 10 becomes larger, the farther away from the central axis line 40 of the grounding plate 10. The grounding plate 10 is provided with a step part 11.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005204516-A (JP)
Title: Two dimensional inspection system of endoplasmic reticulum stress
Inventor: IWAWAKI TAKAO
IPC: G01N33/15
Filed: 2004-01-20
Abstract: <P>PROBLEM TO BE SOLVED: To provide a technique for searching for a molecule or a drug activating an IRE1/XBP1 pathway without applying an endoplasmic reticulum stress.  <P>SOLUTION: A transgenic cell or a nonhuman transgenic animal in which (a) an expression vector containing a fusion gene of an XBP1 gene to a gene encoding a first reporter protein and arranged so as to express a fusion protein of an XBP1 protein to the first reporter protein only when the XBP1 gene receives splicing and (b) an expression vector containing a fusion gene of an ATF4 gene to a gene which encodes a second reporter protein and is arranged on the downstream side of a true translation initiation point of the ATF4 gene are cotransferred is provided. The presence or absence of the endoplasmic reticulum stress can be confirmed for a substance causing activation of the IRE1/XBP1 pathway or a PERK/ATF4 pathway by using the transgenic cell or the nonhuman transgenic animal.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005208345-A (JP)
Title: Electro-optical apparatus, manufacturing method of the electro-optical apparatus and, and electronic equipment
Inventor: KAMI NAOTO
IPC: G02F1/1345
Filed: 2004-01-22
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electro-optical apparatus wherein the inspection between electrode patterns where the inspection of electric characteristics is difficult can be omitted, by reducing generation of a short circuits and the like, and to provide a manufacturing method for the electro-optical apparatus and to provide electronic equipment.  <P>SOLUTION: In the electro-optical apparatus, in which a first substrate having at least three wiring blocks consisting of a plurality of electrode patterns and a second substrate having wiring patterns, corresponding to the plurality of electrode patterns are disposed opposite to each other and which is provided with a display region and a non-display region, the plurality of electrode patterns in the display region are arranged at a fixed pitch interval and distances (w1), between the wiring blocks adjacent to each other, are respectively made larger than the distances (w2, w3) between the electrode patterns in the wiring blocks, adjacent to each other in the non-display region.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005209509-A (JP)
Title: Electric connection box, fuse changing adaptor, and relay terminal
Inventor: SUZUKI KATSUYA
IPC: H01H85/20
Filed: 2004-01-23
Abstract: <P>PROBLEM TO BE SOLVED: To provide an electric connection box or the like at which two kinds of fuses can be attached selectively even when the external form and its terminal form are different.  <P>SOLUTION: In the electric connection box in which a base side terminal 8 and first fuse cavity parts 6, 7 are installed at the base main body 4, and the fuse side terminal of a fusible link is connected to the base side terminal 8 by attaching the fusible link at this first fuse cavity parts 6, 7, a relay terminal part 12a for the base of relay terminal parts 12A, 12B is made to be connectable to the base side terminal 8 freely, and an adapter case 13 is made to be attached at the base main body 4 freely, and blade type fuses 3A, 3B which have different forms from that of the first fuse are attached at second cavity parts 13b, 13b' of the adapter case 13, by the above, the fuse side terminal 11 of the blade type fuses 3A, 3B is connected to the relay terminal parts 12b, 12b' for the fuse of the relay terminals 12A, 12B.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004232637-A (JP)
Title: Noise attenuating gas compression device and method
Inventor: LIU ZHE JI
IPC: F04D29/66
Filed: 2004-01-27
Abstract: <P>PROBLEM TO BE SOLVED: To provide a noise attenuating gas compression device and method capable of reducing noise generated in compression of gas, and restricting vibration by reducing noise so as to prevent structural defects.  <P>SOLUTION: An impeller is rotated to send fluid through a casing, and a plurality of blades are provided on a plate in the casing. A line of cells is formed on the plate. A line of sound resonators are formed to attenuate sound energy generated at the impeller.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2005214818-A (JP)
Title: Moving magnet type instrument
Inventor: SATO TAKAHIRO
IPC: G01D11/24
Filed: 2004-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To provide a moving magnetic type instrument, capable of improving the motional property of a pointer, even when foreign matters fall in the cover of the instrument.  <P>SOLUTION: In the housing 4, there are provided with the rotor shaft 2 provided with a rotor magnet 1 and a 1st gear T1 rotating with the rotor magnet 1; a pointer shaft 3 provided with a 2nd gear T2 which is engaged with the 1st gear T1; the pair of coils 5, 6 for imparting rotational force to the rotor magnet 1, a cavity part S1 for housing the rotor magnet 1, and each of gears T1 and T2, and a through path 47 communicating with the cavity S1. The cover 7 for covering the necessary part of the housing 4, and the infiltration of the foreign matter preventing part D for preventing the infiltration of the foreign matter into the cavity part S1 through the through path 47.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005214888-A (JP)
Title: Snowfall intensity measuring method and snowfall intensity measuring apparatus
Inventor: ISHIMARU TAMINOE
IPC: G01W1/14
Filed: 2004-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To dispense with the necessity for electrically insulating from the ground an aqueduct and a water receiving unit, a holding part for holding the water receiving unit, and a cover part for protecting the water receiving unit, and to enhance the flexibility of designing an electric circuit.  <P>SOLUTION: Snow is captured by the funnel-like water receiving unit 1, and the molten snow is concentrated so as to flow down to an upper electrode 5 at the concentration position at the center of a water droplet receiving body, after the water droplet R, dropping from the aqueduct 2 at the lower part of the water receiver, is made to flow downward along fine wires 4a of the net-like water droplet receiving body 4, in which the plurality of fine wires is radially concentrated from the circumference to the center, obliquely downward at intervals. Electrical conduction is detected, by the communication conducted by the dropping water droplets, through a gap between the facing upper electrode and a lower electrode 6, and the snowfall intensity is measured.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005214566-A (JP)
Title: Ice dispenser
Inventor: KITO MOTOYASU
IPC: F25C5/00
Filed: 2004-01-30
Abstract: <P>PROBLEM TO BE SOLVED: To stably take out ice blocks by guiding the ice blocks to an ice discharge port by the rotation of an agitator.  <P>SOLUTION: This ice dispenser comprises an ice storing chamber 28 at least of which a bottom part has the circular arc shape, an ice pressure-feeding member 42 rotatably mounted in the ice storing part 28, an ice guide groove 30 recessed along the circumferential direction of the circular arc-shaped bottom part in the ice storing chamber 28 to be faced to an end part of the ice pressure-feeding member 42 in the circumferential direction, and the ice discharge port 32 formed on the ice guide groove 30, and an end part of the ice pressure-feeding member 42 has a projecting part 34 on a bottom face 28a of the ice storing chamber 28 before reaching the ice discharge port 32 in accompany with its rotation. The projecting part 34 is faced to a side edge of the ice guide groove 30 at its one end, and biased to be adverse to the rotating direction of the ice pressure-feeding member 42 at the other end.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2004242302-A (JP)
Title: Data transmitting/receiving apparatus for remote control of hearing aid
Inventor: REITHINGER JUERGEN
IPC: H04R25/00
Filed: 2004-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide a data transmitting/receiving apparatus for a hearing aid with which a sufficiently high transmission output can be obtained even when a supply voltage is limited.  <P>SOLUTION: A transmitting coil 2 of a transmitter 1 and a receiving coil 4 of a receiver 9 are wound on a common core 3. Further, a protecting capacitor 6 that is used to protect the receiver 9, is simultaneously used as a correcting capacitor for correcting natural frequencies of receiving oscillation circuits 4, 5.  <P>COPYRIGHT: (C)2004,JPO&NCIPI
Patent JP-2005215644-A (JP)
Title: Optical module and its manufacturing method
Inventor: FUJITA NOBORU
IPC: G02B6/42
Filed: 2004-02-02
Abstract: <P>PROBLEM TO BE SOLVED: To provide an optical module which has superior alignment precision between a microlens array and a recess where an optical fiber is inserted and fixed.  <P>SOLUTION: Manufactured is the optical module which has the superior alignment precision between the microlens array 27 and the recess 28 where the optical fiber is inserted and fixed. Namely, a negative photosensitive layer 22 is formed on one surface 21a of a transparent substrate 21 and a positive photosensitive layer 23 is formed on the other surface 21b. On the side of the negative photosensitive layer 22, a light shielding mask 24 is arranged apart from the negative photosensitive layer 22 , and the negative photosensitive layer 22 and positive photosensitive layer 23 are exposed by being irradiated with light from a light source 25 through the light shielding mask 24. After the exposure, the negative photosensitive layer 22 is developed to form the microlens array 27 and the positive photosensitive layer 23 is developed to form the recess 28.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005222800-A (JP)
Title: Water storage tank for fuel cell power generating system
Inventor: IDEI KAZUHIRO
IPC: H01M8/04
Filed: 2004-02-05
Abstract: <P>PROBLEM TO BE SOLVED: To solve the problem of a water storage tank for a fuel cell power generating system thawing frozen water by arranging a liquid passage around a tank main body and inside thereof, and by making a heating medium for thawing flow through the liquid passage, that, in a little time after the start of thawing, a thawing property becomes worse because the ice stuck on a wall partitioning the liquid flow path and the inside of the tank main body is released.  <P>SOLUTION: The water storage tank for fuel cell power generating system is provided with the tank main body 11 for storing water, and a flat-shaped electric heater 20 arranged almost laterally in the tank main body 11 prompting the thawing of frozen water.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005223667-A (JP)
Title: Audio signal amplification method and apparatus
Inventor: SHINOHARA SHIGEAKI
IPC: H03F3/38
Filed: 2004-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide an audio signal amplification method and an audio signal amplification apparatus by which a load such as a speaker can be connected directly to a driver part in a D-class amplifier without interposing an LC filter.  <P>SOLUTION: Output data obtained by compressing digital audio data from a digital audio source or the like by a ΔΣ converter 31 are inputted to a pulse width modulator 33 through a low pass filter 32 and then inputted to a driver control circuit 35 through a delay element 34 to control a driver part 36. The speaker 37 which is the load is driven directly by a P-output and an N-output from the driver part 35.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005220082-A (JP)
Title: Powdery cleansing cosmetic
Inventor: HIBI HIROHISA
IPC: A61K8/00
Filed: 2004-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To prepare a powdery cleansing cosmetic excellent in usability and application textures, good in cleansing effect, and giving refreshness after being washed off.  <P>SOLUTION: This powdery cleansing cosmetic comprises (a) columnar or tubular basic magnesium carbonate, (b) a liquid oil, and (c) a nonionic surfactant. This cosmetic can be simply used, is excellent in usability, giving smooth and soft application texture, having an excellent cleansing effect, and giving refreshness after being washed following application.  <P>COPYRIGHT: (C)2005,JPO&NCIPI
Patent JP-2005223681-A (JP)
Title: Solid-state image pickup device
Inventor: YOSHIDA TAKEKAMI
IPC: H04N5/357
Filed: 2004-02-06
Abstract: <P>PROBLEM TO BE SOLVED: To provide a solid-state image pickup device which allows a proper image to be obtained regardless of the reflection of a subject having high luminance in a read period when performing collective shutter operation and is free from reduction of S/N at the time of brightness.  <P>SOLUTION: The solid-state image pickup device comprises; a pixel part having a plurality of pixels arranged two-dimensionally, each of which includes a photodiode 106 for photoelectric conversion, a memory 105 for temporarily storing signal charge accumulated in the photodiode, a transfer transistor 102 for transferring the signal charge to the memory, a reset transistor 101 for resetting the photodiode and the memory, a read amplifier 104 for amplifying and reading out a signal stored in the memory, and a charge releasing part which is configured so as to be able to change a potential barrier level and releases the signal charge generated in the photodiode; a scan circuit for successively scanning and reading out pixels; a charge releasing control part 130 for controlling potential barrier levels of the charge releasing parts to levels lower than those of transfer transistors.  <P>COPYRIGHT: (C)2005,JPO&NCIPI