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Kamahori; Masao
Hitachi, JP
No. of patents:

Patent Number Title Of Patent Date Issued
5783450 Analytical method and instrument for analysis of liquid sample by liquid chromatography July 21, 1998
A method and an instrument for separating and analyzing a very small quantity of constituents to be inspected contained in an analyte such as a class of catecholamines by liquid chromatography after labeling. The entire processes of analytical operations include principally three pro
5093267 Method for biochemical assay and an analyzer for the method March 3, 1992
Catecholamines can be detected with high sensitivity in a shortened time period, by introducing a sample containing catecholamines into an adsorption column packed with an adsorbent to adsorb catecholamines to the column, then introducing a reagent for derivatization to effect pre-column
5005434 Autosampler with a means for detecting air bubble in specimen April 9, 1991
An autosampler consists of a needle to draw specimen from a specimen container into a passage therein; a block having a passage that follows the passge in the needle; a suction mechanism for drawing in the specimen by suction through the passages in the needle and the block; a discharge
4823168 Flow-through cell for a photometer formed using a pair of cell body members April 18, 1989
A flow cell for a photometer, which comprises a cell body integrated from a pair of cell body members by joining, at least one of which is provided with a linear groove on the joining surface of the cell body member from one end to another to the full length, as exposed to the joining su

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