1
Sumiaki Tsuru, Masashi Tsugita, Ken Takasaki, Akihiko Yokoo, Takeshi Ichitsuka: Slow release drug delivery granules and process for production thereof. Asahi Kagaku Kogyo Kabushiki Kaisha, October 8, 1991: US05055307 (36 worldwide citation)

Slow release drug delviery granules comprising porous granules of a calcium phosphate compound having an atomic ratio of Ca to P of 1.3 to 1.8, a porosity of 0.1 to 70%, a specific surface area of 0.1 to 50 m.sup.2 /g and a pore size of 1 nm to 10 .mu.m, fired at a temperature of 200.degree. to 1400 ...


2
Sumiaki Tsuru, Akihiko Yokoo, Takeshi Ichitsuka, Tsuneo Hiraide: Separating agent, separator and method of separating cell or virus. Asahi Kogaku Kogyo Kabushiki Kaisha, Sandler Greenblum & Bernstein, February 4, 1992: US05085781 (23 worldwide citation)

A separating agent which includes a polyvinyl acetal resin having open cell structure and an average pore size of from about 10 to about 1000 micrometers; and, porous calcium phosphate granules having open cell structure, and also having two distributions of pore size wherein one distribution has mi ...


3
Tooru Nakajima, Sumiaki Tsuru: Filtering material of apatite and glucan used for surgical masks and method of making it. Bestex Kabushiki Kaisha, Wenderoth Lind & Ponack, September 1, 1992: US05143752 (17 worldwide citation)

A filtering material for effectively adsorbing not only conventional foreign material such as dust, odoring gaseous substance but also very fine foreign material such as virus, bacteria, fungus, pollen or the like is disclosed. The filtering material includes as essential components porous apatite p ...


4
Sumiaki Tsuru, Shoichi Mori, Noriko Komatsu, Shigeo Fujii: Cell separator device. Toa Nenryo Kogyo, Asahi Kogaku Kogyo Kabushiki Kaisha, Birch Stewart Kolasch & Birch, September 12, 1989: US04865733 (15 worldwide citation)

A cell separator which can separate cells, especially lymphocytes, with high selectivity and high efficiency without changing the cell population ratio of the cells. The cell separator comprises fibrous material containing fibers including hydroxyl apatite.


5
Sumiaki Tsuru, Ichiro Masuno: Drug-releaser. Kabushikigaisha ARS Japan, Birch Stewart Kolasch & Birch, November 17, 1992: US05164186 (15 worldwide citation)

Disclosed is a drug-releaser comprising a porous body of biocompatibility filled with a medicine. Specifically, such porous body is made of baked calcium phosphate, 2-hydroxyethylmethacrylate, chitin, chitosan or their delivatives. Implantation or artery-injection of such drug-releaser causes a disc ...


6
Sumiaki Tsuru, Akihiko Yokoo, Takeshi Sakurai, Tetsuro Ogawa: Deodorants, deodorant sheets, filter sheets and functional papers as well as filtering mediums for exhaust gas. Asahi Kogaku Kogyo Kabushiki Kaisha, Sandler Greenblum & Bernstein, May 10, 1994: US05310548 (14 worldwide citation)

Deodorant comprising 5 to 100% by weight of a calcium phosphate compound having a molar ratio of Ca/P of 0.8 to 2.0, a deodorant sheet and filter sheet containing such calcium phosphate compound, and a functional paper containing 10 to 80% by weight of a calcium phosphate compound. A filtering mediu ...


7
Toru Nakajima, Masahiro Sato, Katsuhiko Nishimura, Sumiaki Tsuru: Medium, apparatus and method for cell separation. Asahi Kogaku Kogyo Kabushiki Kaisha, Sughrue Mion Zinn Macpeak and Seas, August 2, 1988: US04761366 (13 worldwide citation)

A sintered hydroxycalcium apatite body having an average particle size of 50-2,000 .mu.m is used to form a packing in a cell separating column for use in separating groups or populations of cells from a suspension of animal cells.


8
Toru Nakajima, Masahiro Sato, Katsuhiko Nishimura, Sumiaki Tsuru: Medium, apparatus and method for cell separation. Asahi Kogaku Kogyo, Sughrue Mion Zinn Macpeak & Seas, March 24, 1992: US05098842 (9 worldwide citation)

A sintered hydroxycalcium apatite body having an average particle size of 50-2,000 .mu.m is used to form a packing in a cell separating column for use in separating groups or populations of cells from a suspension of animal cells.


9
Sumiaki Tsuru, Akihiko Yokoo, Takeshi Sakurai, Tetsuro Ogawa: Deodorants and gas filters therefor. Asahi Kogaku Kogyo Kabushiki Kaisha, Greenblum & Bernstein, August 13, 1996: US05545240 (7 worldwide citation)

Deodorant comprising 5 to 100% by weight of a calcium phosphate compound having a molar ratio of Ca/P of 0.8 to 2.0, a deodorant sheet and filter sheet containing such calcium phosphate compound, and a functional paper containing 10 to 80% by weight of a calcium phosphate compound. A filtering mediu ...


10
Sumiaki Tsuru: Method of producing a filtering material. Bestex Kabushiki Kaisha, Wenderoth Lind & Ponack, March 22, 1994: US05296254 (5 worldwide citation)

To produce a filtering material for adsorptively capturing very fine particles such as fungus, pollen, virus, bacteria or the like at a high efficiency, an aqueous treatment solution is first prepared by dissolving porous apatite particles of 0.5 to 40% by weight, preferably, 0.5 to 30% by weight an ...



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