1
Tetsuro Kamiya, Shigeyuki Echigo, Takehisa Matsuda, Ryuichiro Yoda, Nobuko Satoh: Closing plug of a defect for medical use and a closing plug device utilizing it. Nippon Zeon, Frishauf Holtz Goodman & Woodward, March 9, 1993: US05192301 (853 worldwide citation)

The closing plug and the closing plug device are used for closing a body defect percutaneously. During the insertion into the defect, the closing plug can be deformed to a smaller size to facilitate the insertion operation and recovered to its original larger shape after it is fitted to the defect, ...


2
Nobuyuki Shioya, Yoshimitsu Kuroyanagi, Yasumi Koganei, Ryuichiro Yoda: Wound dressing. Nippon Zeon, Armstrong Nikaido Marmelstein Kubovcik & Murray, March 5, 1991: US04997425 (135 worldwide citation)

A wound dressing having a porous layer with a good affinity to tissue of organisms comprising (a) a first layer to be placed on the wound surface having pores of 20 to 500 .mu.m in diameter, and 1 to 10 mm thick, and (b) a second layer remote from the wound surface having pores not more than 20 .mu. ...


3
Ryuichiro Yoda, Akira Fukutome, Suguru Ohkawa, Kazutoshi Iida: Thromboresistant polyetherurethane compounds and process for its production. Nippon Zeon, Sherman & Shalloway, October 29, 1991: US05061777 (21 worldwide citation)

A thromboresistant segmented polyetherurethane compound wherein the polyether segment consists of 99 to 1% by weight of (a) a polytetramethylene ether segment having a number average molecular weight of 200 to 5,000 and 1 to 99% by weight of (b) a polyalkylene ether segment having a number average m ...


4
Shigeo Mitsui, Tomiyasu Araki, Kazuhiko Niikawa, Hideo Hosoda, Yoshio Jyo, Ryuichiro Yoda, Giichi Suzuki, Takasi Iijima, Hiroshi Tanaka, Yasutaka Ochiai, Takashi Ise: Process for the dry distallation of rubber. Agency of Industrial Science & Technology, Nippon Zeon, Japan Gasoline, Frank J Jordan, June 14, 1977: US04029550 (18 worldwide citation)

A process for the dry distillation of used rubber in a fluidized bed-forming oven comprises heating used rubber under agitation in the presence of solid particles to temperatures sufficient to make the rubber pulverized and further heating the thus-obtained rubber particles to temperatures sufficien ...


5