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Hiroshi Umetsu, Hiroshi Hashimoto, Kyoko Imai, Hajime Betsui, Tadashi Ohishi: Automatic analyzing system. Hitachi, Fay Sharpe Beall Fagan Minnich & McKee, September 24, 1991: US05051238 (171 worldwide citation)

An automatic analyzing system has a sample table for supporting a plurality of sample vessels and a reagent table for supporting a plurality of reagent vessels. The sample table and the reagent table are fixed to a common drive shaft. The system further has a rotatable reaction table for supporting ...


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Paul F Laska, Kyoko Imai, Hiroshi Hashimoto, Hajime Betsui, Hiroshi Umetsu: Method and apparatus for effecting a plurality of assays on a plurality of samples in an automatic analytical device. April 14, 1992: US05104808 (130 worldwide citation)

A diagnostic instrument and method indexes plural, sequentially actuated reaction vessels, stepwise to several processing positions. Several positions effecting wash have wash probes that are gauged together. Sample and/or reagent are not added to a number of vessels leading and trailing sample cont ...


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Fumitoshi Hamasaki, Hajime Betsui, Kyoko Imai, Hiroshi Umetsu: Method for analyzing a reaction solution. Hitachi, Fay Sharpe Beall Fagan Minnich & McKee, December 21, 1993: US05272092 (22 worldwide citation)

A plurality of reaction containers each being charged with an agitation ball made of a magnetic material are circularly arranged on a reaction disk so as to be supplied with a reagent and a sample. The reaction disk is driven reciprocatingly at a small amplitude for a predetermined time so as to cau ...


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Hiroshi Umetsu, Hiroshi Hashimoto, Hajime Betsui: Constant-temperature air type automatic analysis apparatus. Hitachi, Fay Sharpe Beall Fagan Minnich & McKee, July 28, 1992: US05133936 (11 worldwide citation)

A constant-temperature air type automatic analysis apparatus includes: a reaction table for rotating a row of reaction containers; a batch injecting device for supplying a sample and a reagent into the reaction containers; a photometric device for measuring a reaction within the reaction containers; ...


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