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Inventor: Miyamoto; Shigehiko
Address: Kamagaya, JP
No. of patents: 6
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4620197 |
Ink jet recording method |
October 28, 1986 |
| By allowing at least the surface of an ink jet recording sheet to contain a cationic fluorescent agent, the waterproofness of water-soluble dyes in inks as well as the brightness of the recording sheet can be enhanced and thereby multicolor images of excellent color reproducibility can b |
| 4613525 |
Ink-jet recording medium |
September 23, 1986 |
| An ink jet recording medium containing a hydrotalcite compound is disclosed. This recording medium can provide recorded images excellent in waterproofness and light fastness by jetting thereonto a water-base ink containing a water soluble dye. |
| 4576867 |
Ink jet recording paper |
March 18, 1986 |
| By attaching a cationic resin having a structure represented by the following general formula (I) to at least the surface of an ink jet recording paper, the water-resistance and the sunlight fastness of the image formed on said ink jet recording paper can be improved: ##STR1## wh |
| 4460637 |
Ink jet recording sheet |
July 17, 1984 |
| An ink jet recording sheet comprising a support and one or more ink receptive layers disposed thereon, which is characterized by being such that the pore radius distribution curve of the uppermost layer shows at least one peak at 0.2 to 10 .mu.m and that of ink receptive layers as a |
| 4440827 |
Process for producing recording paper for ink jet recording and optical bar code printing |
April 3, 1984 |
| In producing a recording paper having, on the surface of a support, a coating layer comprising inorganic pigment and aqueous polymeric binder, a recording paper giving a high color density of image, a clear color tone of image and a high resolution and suitable for multi-color recording |
| 4335184 |
Recording paper |
June 15, 1982 |
| A recording paper improved in image quality, comprising a base paper, the pH of its cold water extract being 5.0 to 10.0, and, disposed thereon, a coating layer containing a saponified-type petroleum resin sizing agent. |
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