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Patent No. 5983411

Toilet Tank Aquarium

A new toilet tank assembly aquarium for housing aquatic creatures.

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Assignee: Kabushiki Kaisha Pilot


Location: Tokyo, JP
No. of patents: 43

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NumberTitleIssue Date
6967720Multi-screen spectroscopic imaging device
A split-screen spectroscopic imaging apparatus including a fiber optic plate having a light receiving end face on which the photogenic subject is primarily focused by an objective lens and a light emitting end face to which the primarily focused image is transmitted...
11/22/2005
6880175Waist expanding and contracting structure for pants or the like
In a waist expanding and contracting structure for pants or the like of a type having waist pockets, a waist part 1 consists of a front waist part 2, a back waist part 3, and a side waist part 4. The structure includes a first elastic mem...
04/19/2005
D496962Ball-point pen
10/05/2004
D489406Mechanical pencil
05/04/2004
6585523Magnetic material-inverting display panel
A magnetic material-inverting display panel wherein a liquid dispersion, which has a yield value and contains a magnetic display material in fine particle form having magnetic poles of opposite signs tinged with different colors by placing an opaque thin ...
07/01/2003
6508870Ink for plate pen
The ink allows to prevent spout of the ink from the nib, and has a good penetrating and drying ability of writing to a material to be written. And the ink comprises a penetrant and a coloring agent, a humectant and water, wherein viscosity at 20° C. is f...
01/21/2003
6503966Gelled non-aqueous ball point pen ink for forming drawn line approximate to that of aqueous ball point pen and ball point using the ink
A non-aqueous ball point pen ink of this invention includes a colorant, an organic solvent, a non-Newtonian viscosity imparting agent and a thickening agent as main components. The thickening agent comprises only polyvinyl pyrrolidone with a weight-averag...
01/07/2003
6479568Non-aqueous ball point pen ink and ball point pen using the ink
A non-aqueous ball point pen ink and a ball point pen using this ink contains a colorant, an organic solvent, a non-Newtonian viscosity imparting agent, and 0.4 to 0.8 mass % in total of 0.2 to 0.6 mass % of polyvinyl pyrrolidone with a weight-average mol...
11/12/2002
6478496Ink follower for writing tool
An ink follower for a writing tool arranged in close contact with an ink surface of a terminal portion of an ink reservoir opposite to a writing tip portion comprises a swollen gel formed from an oil-absorbable resin, a base oil of polybutene, and an alky...
11/12/2002
6454481Ink follower in conjunction with ink in a writing instrument and writing instrument containing the same
An ink follower for a writing tool comprises a swollen gel formed from an oil-absorbable resin and a base oil, i.e., a hardly volatile liquid and/or a nonvolatile liquid. The ink follower is arranged in contact with the ink surface of a writing tool such ...
09/24/2002
6419498Magnetic material-inverting display panel
A magnetic material-inverting display panel which provides a clear display and the erasure by having a liquid dispersion, which has a predetermined yield value and contains a magnetic display material in fine particle form having magnetic poles of opposit...
07/16/2002
6181375Image recording apparatus capable of selecting partial image areas for video readout
In an image recording apparatus, an imaging surface of an image device is formed so as to store and read out an image by arranging two-dimensionally a plurality of photoelectric transfer elements, the imaging surface is divided along lines into a pluralit...
01/30/2001
6118889Signature input apparatus and a signature verification system
The object is to improve the accuracy of signature input and signature verification and improve security by causing the handwriting of a signature to disappear by itself. The signature verification system includes a signature input apparatus 1 and a signa...
09/12/2000
6103389Thermal transfer recording medium
Provided is a thermal transfer recording medium which can be transferred well even onto a medium to be transferred such as a durable plastic film. The printed matters can obtain all together sufficiently high mechanical abrasion resistance, solvent resist...
08/15/2000
6083311Water based ink having metallic luster adapted for direct-filling in ball-point pen
Disclosed is water based ink having metallic luster adapted for a direct-filling ball-point pen, which is used by being directly filled into the tube, said ink comprising, based on the total amount of the ink composition, 1% to 20% by weight of a metallic...
07/04/2000
6062756Push-button writing instrument
A push-button writing instrument has a refill (5) slidably inserted in a barrel (2) and is biased toward the back end of the barrel by a spring (6). The writing instrument is provided with a refill operating mechanism (10) capable of projecting a writing ...
05/16/2000
6034740Keying system and composite image producing method
In a keying system, an image of an object is gained and a plurality of the background images each of which is obtained correspondingly to a view angle of a view point in a three-dimensional space to be imaged and a view position of the view point therein ...
03/07/2000
6007734Dispersion composition for magnetic display
A dispersion composition suitable for a magnetic display which comprises 10 to 30 wt % of magnetic particles having a particle diameter of 10 to 150 μm, 0.01 to 0.5 wt % of an antistatic agent, 1 to 10% by weight of an organic thickening agent, 0.1 to 10...
12/28/1999
5984559Ballpoint pen refill and fabrication method thereof
A ballpoint pen refill which can be applied to a retractable ballpoint pen is provided. An ink 2 endowed with a thixotropic property and an ink follower 3 at the rear of this ink are contained within an ink tube 1 comprising a tip holder member 9 and an i...
11/16/1999
5964976Thermal-transfer recording medium and thermal transfer recording method
It is an object to provide a thermal-transfer recording medium and its thermal-transfer recording method whereby it is possible to perform good thermal transfer to a durable transfer medium such as plastic film etc., and the transferred image is excellent...
10/12/1999
5960473Sportswear
In a sportwear, especially ski wear of the type that pants are suspended with suspenders, length of the leg portions of the pants are formed extendably and contractably. Front ends of the suspenders are fixed to the front face of the waist portion W of th...
10/05/1999
5945484Water-in-oil type disperse ink
A water-in-oil dispersed ink comprising: (A) a water-insoluble dispersion medium comprising 20% by weight--50% by weight of a water-insoluble polar solvent of an aromatic alcohol and/or an aliphatic glycol phenyl ether, 0.5% by weight--5.0% by weight of a ...
08/31/1999
5925175Direct filling ink capable of being used for a ballpoint pen containing an aqueous ink composition
There is provided an ink capable of being used in a ballpoint pen, the ink comprising: 2 to 10% by weight of a dye, 20 to 30% by weight of a wetting agent, 5 to 10% by weight of urea, 0.2 to 0.4% by weight of cross-linked acrylic acid polymer, 0.05 to 0.2...
07/20/1999
5915872Erasing liquid pen
A correction pen has a joining mechanism for joining together a front end portion (11) of a barrel (1), and a coupling portion (22) of a head member (2). The joining mechanism is constructed so that an inner cylindrical portion (22b) is pressed in a first...
06/29/1999
5895895Input pen
In an input pen for transmitting to a tablet 19 information of variation in writing pressure as well as information of designated positions, a joint 10 is mounted on the rear end of a shaft a writing tip 12. A movable magnetic core 9 is attached to the jo...
04/20/1999
5846630Magnetic migration display panel
A magnetic migration display panel including a dispersion liquid layer composed of a magnetic particle, a dispersion medium composed of an organic solvent, a thickening agent composed of fatty acid bis-amide with a hydroxyl group having a melting point of...
12/08/1998
5775828Writing implement
A writing implement of the present invention is capable of stably feeding ink to the tip of a writing member so that the writing member is able to draw lines in a fixed width and in a fixed ink density. The writing member is formed by superposing thin str...
07/07/1998
5767172Water base ink composition directly fed to a pen body of a ball-point pen
Water base ink compositions for directly filling in a ball-point pen comprising a dyestuff in the range of 3% to 10% by weight; a humectant in the range of 10% to 40% by weight; thixotropic agent in the range of 0.6% to 1.0% by weight, being composed of a...
06/16/1998
5712692Driving power unit for driving liquid crystal display element and liquid crystal light-modulating device
A driving power unit for a liquid crystal display element, which charges an electrostatic charge on the surface of the liquid crystal display element having at least a conductive layer and a liquid crystal-dispersed polymer layer in which a liquid crystal...
01/27/1998
5609432Ballpoint pen containing an aqueous ink composition
A ballpoint pen contains an aqueous ink composition into which ink is directly filled. The pen is free from ink dripping and has improved writing performance. The aqueous ink composition is directly filled into an ink reservoir tube equipped with a ballpo...
03/11/1997
5594562Hand-writable polymer dispersed liquid crystal board set with high resistance layer adjacent conductive layer
The liquid crystal display device of the externally charging type in accordance with present invention, includes a layered structure with: in the following order, a conductive layer; a transparent high-electric resistance layer having the thickness of 0.1...
01/14/1997
5429503Magnetic display panel including substrates and multicell structure comprising nonorientational and uncrystallized polyester resin
A magnetic display panel which includes a multicell structure between two substrates is described. The cells are filled with a dispersion liquid including magnetic particles, a dispersion medium, and a thickener or the like, and a colorant can also be inc...
07/04/1995
5417606Doll with head turning mechanism
Doll with head turning mechanism including a pair of opposed doll heads mounted on an upper plate mounted rotatably in an upper or neck opening provided on the trunk portion of the doll. The trunk portion is provided with openable and closeable internal c...
05/23/1995
5412422High speed imaging apparatus
A high speed imaging apparatus comprises an imaging sensor composed of a multiplicity of photoelectric converting elements which are two-dimensionally arrayed, the imaging sensor being sectioned into a plurality of blocks by effecting predetermined splitt...
05/02/1995
5351143Hand-writable polymer dispersed liquid crystal board set with high resistance layer of crosslinking polymer adjacent conductive layer
A liquid crystal display device of externally charging type, including a screen from the outside of which display and erasing operations can be repeatedly performed simply, and having an excellent memory retention performance of the recorded image and dur...
09/27/1994
5298692Earpiece for insertion in an ear canal, and an earphone, microphone, and earphone/microphone combination comprising the same
An earpiece for insertion in an ear canal as a part of an earphone, an ear mounted microphone, an earphone/microphone combination or the like. The earpiece comprises a body part suitable for housing an earphone transducer and/or a solid vibration pickup, ...
03/29/1994
5205862Water resistant ink compositions and process for preparation
A water-resistant ink composition containing water, an anionic dye and a water-resistance modifier which contains as an effective component a sparingly water-soluble compound comprising at least one oleophilic group selected from the group consisting of a...
04/27/1993
5186631Magnetic display device
A magnetic display device having a case in which a magnetic display panel is fixedly mounted. To erase the magnetic display on the display panel, an eraser magnet mounted on a vertically elongated eraser mounting member is moved horizontally along the rea...
02/16/1993
5151032Magnetophoretic display panel
A magnetophoretic display panel comprising a plurality of cells that are sandwiched between two substrates and each of which is filled with a liquid dispersion comprising magnetic particles, a dispersion medium, a colorant and, optionally, a thickener. Th...
09/29/1992
5019164Water-resistant ink composition
A water resistant ink composition is disclosed having a greatly improved water resistance and being excellent in resistance to drying-up, age stability and smooth ink flowability containing a mixture of polyamine compound having only primary amino groups ...
05/28/1991
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