1
Katsuji Yamashita, Hiroshi Umetsu, Hirotaka Sato, Yoshio Matsuoka, Kei Kida: Automatic chemical analyzer. Hitachi, Antonelli Terry & Wands, May 29, 1984: US04451433 (188 worldwide citation)

An automatic chemical analyzer suitable for chemically analyzing a number of analysis items is disclosed. Samples in sample containers are sequentially dispensed to an array of reaction vessels using a first pipetting tube. Reagent solutions selected in accordance with the analysis items are fed to ...


2
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 ...


3
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 ...


4
Hiroshi Umetsu, Hirotaka Sato, Katsuji Yamashita, Yoshimitsu Shibano: Chemical analyzer equipped with reagent cold-storage chamber. Hitachi, Antonelli Terry & Wands, November 20, 1984: US04483823 (79 worldwide citation)

A chemical analyzer is disclosed in which a sample is supplied from a sample cup on a sample table to an array of reaction cups on a reaction table so that the reaction cups contain the same amount of sample, a reagent pipetting nozzle sucks an appropriate reagent solution from an array of reagent t ...


5
Katsuji Yamashita, Hiroshi Umetsu, Kazuyoshi Heguri, Kasumi Yoshida: Automatic chemical analyzing method and apparatus. Hitachi, Craig and Antonelli, June 19, 1979: US04158545 (36 worldwide citation)

In an automatic chemical analyzing method and apparatus in which a plurality of samples each added with a reagent are discretely transported through a reaction line and subjected to a reaction during the transportation for optical measurement to generate measured signals and to process them, the sam ...


6
Kyoko Imai, Yasushi Nomura, Hiroshi Umetsu: Method of determining calibration curve and apparatus using calibaration curve. Hitachi, Fay Sharpe Beall Fagan Minnich & McKee, January 21, 1992: US05083283 (28 worldwide citation)

A method of determining a calibration curve used in deciding the components of living organism by means of the least-squares method by using a plurality of measured data at different concentrations obtained by measuring reaction solutions of a plurality of standard substances having different concen ...


7
Tadashi Ohishi, Hiroshi Umetsu: Mixing apparatus for mixing reagent for use in automatic chemistry analyzer. Hitachi, Fay Sharpe Beall Fagan Minnich & McKee, July 24, 1990: US04943164 (25 worldwide citation)

A reagent vessel is mounted for swinging movement and has a projection at the bottom portion thereof. A rotor has an eccentric groove at an upper end and has an upper sealing member and a lower sealing member. A reagent refrigerator has a sealing at a bottom portion. The rotor is driven by a motor i ...


8
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 ...


9
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; ...


10
Takeshi Wakabayashi, Hiroshi Umetsu: Inspection and examination apparatus for motor cars. Mitsubishi Jukogyo, October 24, 1978: US04121452 (11 worldwide citation)

An improved inspection and examination apparatus for motor cars has car variety number receiver means for receiving a car variety number that is determined depending upon the type and various characteristics of a motor car, an inspection type selector means for selecting the type of inspection and a ...