1
Takeji Takagi, Kiyokazu Hosaka: Flexible tube. Olympus Optical, Ostrolenk Faber Gerb & Soffen, July 21, 1981: US04279245 (60 worldwide citation)

A flexible tube and a method of manufacturing same are provided. The flexible tube comprises a tubular body of a crystalline polymer material having a porous microstructure including a number of micro-nodes which are coupled together by fibrils. A synthetic resin material having gas tightness and st ...


2
Takeji Takagi, Kiyokazu Hosaka: Flexible tube and method of manufacturing same. Olympus Optical, Ostrolenk Faber Gerb & Soffen, August 31, 1982: US04347204 (44 worldwide citation)

A flexible tube and a method of manufacturing same and provided. The flexible tube comprises a tubular body of a crystalline polymer material having a porous microstructure including a number of micro-nodes which are coupled together by fibrils. A synthetic resin material having gas tightness and st ...


3
Kiyokazu Hosaka: Endoscope film feeding device. Olympus Optical Company, August 14, 1979: US04164333

An endoscope film feeding device for delivering a film in the distal end portion of a sheath of an endoscope comprises a feeding pulley rotatably mounted in an operation section of the endoscope and having a frustoconical drum portion with a helical groove in its outer peripheral wall. The feeding d ...


4
Yoshinori Nakaura, Kiyokazu Hosaka: Protection hood for endoscope and endoscope including the same. Olympus Corporation, Frishauf Holtz Goodman & Chick PC, September 13, 2007: US20070212926-A1

A protection hood for an endoscope is arranged on the outer surface of an elongated tubular member, such as an insertion section or a universal cable of an endoscope. The protection hood includes a plurality of segments. The split segments include flat surfaces which are in contact with each other w ...


5
Hideya Kitagawa, Kiyokazu Hosaka: Bending Part Coupling Assembly for the Endoscope Insertion Portion and Manufacturing Method Thereof. Frishauf Holtz Goodman & Chick PC, September 17, 2009: US20090234191-A1

A manufacturing method of a bending part coupling assembly for an endoscope insertion portion having a high manufacturing efficiency is provided. A manufacturing method of a bending part coupling assembly (22) for an endoscope insertion portion including forming in one plate material (45) having ela ...