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
Katsuji Yamashita, Yasushi Nomura: Automatic chemical analyzing method and apparatus. Hitachi, Craig and Antonelli, February 2, 1982: US04313735 (132 worldwide citation)

A train of cuvettes are held on a turntable and serum specimen is sequentially sampled each time the turntable makes a revolution through more than 360.degree.. While the turntable is at rest, blank solution is poured into one cuvette, reagent is put into another cuvette and reactant solution is dra ...


3
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 ...


4
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 ...


5
Koji Noda, Hisayoshi Fujikawa, Katsuji Yamashita, Yasunori Taga: Electroluminescent element including a dielectric film of tantalum oxide and an oxide of either indium, tin, or zinc. Kabushiki Kaisha Toyota Chuo Kenkyusho, Oblon Spivak McClelland Maier & Neustadt P C, December 31, 1996: US05589733 (26 worldwide citation)

Electroluminescent element includes two dielectric layers disposed on either side of a luminescent layer wherein a transparent electrode and a backing electrode are formed on respective dielectric layers. In a preferred embodiment, the dielectric films include tantalum oxide and at least one oxide o ...


6
Takehiko Yamane, Takuji Hashizume, Katsuji Yamashita, Kazunori Hosoe, Fumiyuki Kuze, Kiyoshi Watanabe: 3-hydroxybenzoxazinorifamycin derivative, process for preparing the same and antibacterial agent containing the same. Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Armstrong Nikaido Marmelstein Kubovcik & Murray, January 8, 1991: US04983602 (16 worldwide citation)

A rifamycin derivative having the formula (I): ##STR1## wherein A is a group having the formula: ##STR2## in which R.sup.1 is an alkyl group having 4 or 5 carbon atoms or an alkenyl group having 3 to 5 carbon atoms, or a group having the formula: in which n is 3 or 4; or a pharmaceutically acceptabl ...


7
Takehiko Yamane, Takuji Hashizume, Katsuji Yamashita, Kiyoshi Watanabe: Benzoxazinorifamycin derivative, process for preparing the same and antibacterial agent containing the same. Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Armstrong Nikaido Marmelstein & Kubovcik, September 1, 1987: US04690919 (15 worldwide citation)

A novel rifamycin derivative having the general formula (I): ##STR1## or salts thereof, a process for preparing the same and antibacterial agents containing the same as an effective component.


8
Katsuji Yamashita, Kazunori Hosoe, Takayoshi Hidaka, George Todaro, Ribhi M Shawar: Method for treating chlamydia infectious diseases by rifamycin derivative. Kaneka Corporation, Armstrong Westerman Hattori McLeland & Naughton, July 28, 1998: US05786349 (13 worldwide citation)

A method for treatment of diseases caused by Chlamydia infection is disclosed comprising administering a rifamycin of the formula (I): ##STR1## wherein R.sup.1 is hydrogen atom or acetyl, and X is oxygen, sulfur or a group NR, in which R is hydrogen, an alkyl group having 1 to 7 carbon atoms or a gr ...


9
Fumihiko Kano, Takehiko Yamane, Katsuji Yamashita, Kazunori Hosoe, Kiyoshi Watanabe: Alkyl-substituted benzoxazinorifamycin derivative, process for preparing the same and antibacterial agent containing the same. Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Armstrong Nikaido Marmelstein Kubovcik & Murray, August 22, 1989: US04859661 (12 worldwide citation)

A novel rifamycin derivative having the formula (I): ##STR1## wherein X.sup.1 is an alkyl group with 1 to 6 carbon atoms or a cycloalkyl group with 3 to 8 carbon atoms; X.sup.2 is a hydrogen atom or an alkyl group with 1 to 4 carbon atoms; R.sup.1 is hydrogen atom or acetyl group; A is a group repre ...


10
Katsuji Yamashita, Takehiko Yamane, Shinichi Sakashita, Kazunori Hosoe, Kenji Fujii, Yasuhiro Saka: Treatment of disease caused by infection of Helicobacter. Kaneka Corporation, Armstrong Westerman Hattori McLeland & Naughton, November 9, 1999: US05981522 (10 worldwide citation)

A method for treating a digestive organ disease caused by the infection of Helicobacter, comprising administering a rifamycin derivative expressed by the formula (I), or a physiologically acceptable salt thereof ##STR1##