1
Tadao Ohnaka, Katsuo Komiya, Hiroyuki Moriyama: Packing material for reversed phase chromatography and process for its preparation. Tosoh Corporation, Oblon Spivak McClelland Maier & Neustadt, March 16, 1993: US05194333 (40 worldwide citation)

A packing material for reversed phase chromatography, which comprises silica gel with its entire surface substantially coated with repeating units of a polycarbosilane of the formula (I): ##STR1## wherein R.sub.1 is an octyl group, an octadecyl group or a phenyl group, R.sub.2 is a methyl group or a ...


2
Katsuo Komiya, Rie Igarashi, Mitsuko Takenaga, Akira Yanagawa, Yutaka Mizushima, Tateo Nishimura, Toshitaka Kudo, Kunio Ando: Topical preparations containing cyclosporin. LTT Institute, Lorusso & Loud, April 2, 1996: US05504068 (34 worldwide citation)

A topical preparation containing cyclosporin as an active ingredient, is disclosed that contains (a) cyclosporin; (b) an organic solvent for dissolving the cyclosporin; (c) an ester of a fatty acid with a monovalent alcohol having a total number of carbon atoms of 8 or more and/or an alkanol amine, ...


3
Katsuo Komiya, Yoshio Kato: Packing material and process for its production. Tosoh Corporation, Cushman Darby & Cushman, May 30, 1989: US04835058 (18 worldwide citation)

A packing material for chromatography comprising a carrier having silanol groups on its surface, wherein Si in the silanol groups forms a Si--O--Si bond together with Si in a silyl group of the following formula I and Si in a silyl group of the following formula II, and the molar ratio of the silyl ...


4
Ryuichi Kitayama, Katsuo Komiya, Yoshio Kato: Packing material for liquid chromatography. Tosoh Corporation, Cushman Darby & Cushman, May 16, 1989: US04830921 (17 worldwide citation)

A packing material for liquid chromatography, which comprises an optically active compound having the formula: ##STR1## wherein Ar is a phenyl group, an .alpha.-naphthyl group or a .beta.-naphthyl group, R.sub.1 is an alkyl group having from 1 to 4 carbon atoms, a phenyl group or a 3,5-dinitrophenyl ...


5
Hiroshi Ichikawa, Akira Yokoyama, Takanobu Kawai, Hiroyuki Moriyama, Katsuo Komiya, Yoshio Kato: Packing material for liquid chromatography and method of manufacturing thereof. Nippon Carbon, Tosoh Corporation, Armstrong Westerman Hattori McLeland & Naughton, December 14, 1993: US05270280 (9 worldwide citation)

A packing material for liquid chromatography is produced by mixing 1.0 part by weight of carbon black, 0.5 to 2.5 parts by weight of one or a mixture of a synthetic resin which can be graphitized by heating and a toluene- or benzene-soluble component of pitches, and an organic solvent to obtain a mi ...


6
Yumiko Asami, Katsuo Komiya, Hiroo Sasaki, Hironaka Aihara: Cholesterol-lowering agents. Taisho Pharmaceutical, Tosoh Corporation, Lorusso & Loud, January 12, 1993: US05178854 (7 worldwide citation)

A method for lowering serum total cholesterol in an animal by administering to the aminal an anion-exchange resin having the monomer units respectively represented by the below-given structural formulas (I), (II), (III) and (IV) in a content of 60-95 molar % of the monomer unit (I), 0-25 molar % of ...


7
Takanobu Kawai, Hiroshi Wakizaka, Hiroyuki Moriyama, Katsuo Komiya, Hiroshi Ichikawa, Akira Yokoyama: Packings for liquid chromatography and process for producing the same. Nippon Carbon, Tosoh Corporation, Bucknam and Archer, September 5, 1995: US05447624 (4 worldwide citation)

A microspherical packing for liquid chromatography, which comprises a porous silicon carbide having numerous through-pores, and a process for producing said microspherical packing.


8
Hiroo Sasaki, Katsuo Komiya, Yoshio Kato: Hydrophilic separating carrier and preparation thereof. Toyo Soda Manufacturing, Oblon Fisher Spivak McClelland & Maier, January 20, 1981: US04246362 (4 worldwide citation)

A hydrophilic separating carrier is a porous spherical gel having primary hydroxyl groups and is produced by an aqueous suspension homopolymerization of pentaerythritol dimethacrylate or an aqueous suspension copolymerization of pentaerythritol dimethacrylate and a methacrylate monomer having hydrop ...


9
Hiroo Sasaki, Katsuo Komiya, Yoshio Kato: Hydrophilic separating carrier and preparation thereof. Toyo Soda Manufacturing Company, Oblon Fisher Spivak McClelland & Maier, March 17, 1981: US04256843 (2 worldwide citation)

A hydrophilic separating carrier is a porous spherical gel having primary hydroxyl groups and is produced by an aqueous suspension homopolymerization of pentaerythritol dimethacrylate or an aqueous suspension copolymerization of pentaerythritol dimethacrylate and a methacrylate monomer having hydrop ...


10
Katsuo Komiya, Toshikuni Koga, Yoshio Kato: Ion exchange resins containing glycidyl ether spacer groups. Toson Corporation, Sughrue Mion Zinn Macpeak & Seas, August 1, 1995: US05438077 (2 worldwide citation)

An ion exchanger comprising a particle of an insoluble crosslinked polymer having alcoholic hydroxyl groups, as a base material, and a glycidyl-adduct of polyol and/or its oligomer, as a spacer, wherein ion exchange groups are attached to the spacer.