1
Yoshio Fujii, Kasumi Yoshida, Junkichi Miura, Hiroshi Satake, Masahito Ito: Liquid chromatographic analyzer, sample feeder and prelabeling reaction treating method. Hitachi, Antonelli Terry Stout & Kraus, January 11, 1994: US05277871 (84 worldwide citation)

The present invention provides a liquid chromatographic analyzer for analyzing a sample containing components for analysis by reacting the sample with a pre-labeling reagent to obtain a reaction mixture containing labeled components, concentrating the reaction mixture and separating the labeled comp ...


2
Kasumi Yoshida, Hideo Uchiki, Tadafumi Kuroishi: Method for continuous flow analysis of liquid sample. Hitachi, Antonelli Terry & Wands, May 28, 1985: US04520108 (39 worldwide citation)

A continuous flow analyzer of the type which introduces continuously a carrier liquid into a single tubular conduit to form a stable main carrier stream and injects predetermined volumes of reagent liquid and sample liquid in series into the main carrier stream. The analyzer reduces the consumption ...


3
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 ...


4
Kasumi Yoshida, Nobuyoshi Takano, Naoya Ono: Method and apparatus for clinical analysis. Hitachi, Antonelli Terry & Wands, November 24, 1987: US04708940 (32 worldwide citation)

A clinical analyzer with an analyzing section having a reaction tube and photometer, and a sampling section having a sample transfer pipe and centrifugal separator which also serves as a sampler. Sample containers containing blood are set on a plurality of container holders through an aperture forme ...


5
Kasumi Yoshida, Isao Shindo, Susumu Kai, Yutaka Kimura: Analytical method and analytical apparatus using test strips. Hitachi, Fay Sharpe Beall Fagan Minnich & McKee, October 24, 1995: US05460968 (29 worldwide citation)

A sample container containing a urine sample is transferred by a sample positioning device to a liquid level sensing position. At this sensing position, the liquid level in the sample container is detected by a level sensor, followed by transfer of the sample container to a dipping position. A liqui ...


6
Kasumi Yoshida, Junkichi Miura, Yoshio Fujii, Hiroshi Satake, Masahito Ito, Masao Kamahori: Analytical method and instrument for analysis of liquid sample by liquid chromatography. Hitachi, Antonelli Terry Stout & Kraus, July 21, 1998: US05783450 (15 worldwide citation)

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 processes, a prepar ...


7
Isao Sindo, Yoshio Matsuoka, Kasumi Yoshida: Clinical analyzer. Hitachi, Craig and Antonelli, April 7, 1981: US04260580 (13 worldwide citation)

Sample cups containing serum are removably loaded in a plurality of annular holders flexibly connected to make up a slidable chain which is moved through a limited path and passes a sampling position. Ion-selecting electrodes and a reference electrode are slightly spaced from the sampling position. ...


8
Kasumi Yoshida, Hideo Uchiki, Tadafumi Kuroishi: Method and apparatus for continuous flow analysis of liquid sample. Hitachi, Antonelli Terry & Wands, February 24, 1987: US04645647 (12 worldwide citation)

A continuous flow analyzer of the type which introduces continuously a carrier liquid into a single tubular conduit to form a stable main carrier stream and injects predetermined volumes of reagent liquid and sample liquid in series into the main carrier stream. The analyzer reduces the consumption ...


9
Susumu Kai, Isao Shindo, Shigeo Mutoh, Kasumi Yoshida: Test strip automatic supply device and analytical instrument using the same. Hitachi, Hitachi Instrument Engineering, Fay Sharpe Beall Fagan Minnich & McKee, January 3, 1995: US05378630 (9 worldwide citation)

A test strip automatic supply device has: a cylindrical container 11 provided with a slit 15 which is formed in a side wall thereof so as to contain an elongate test strip; a container-supporting table having, in an upper portion thereof, a semi-cylindrical concave surface provided with an opening 2 ...


10
Takehide Satou, Kasumi Yoshida, Hisayuki Sagusa, Osamu Ohno, Tetuaki Abe: Optical rate assay apparatus. Hitachi, Craig and Antonelli, September 29, 1981: US04291986 (5 worldwide citation)

A serum and a reagent are supplied into a reaction tube to prepare a reactive solution or a sample solution which is sucked up at a predetermined position into one of a plurality of flow cells. The flow cells are mounted on a thermostatic block to be heated to a predetermined temperature and alterna ...