1
Takeo Asano, Hisashi Nishimura, Nobutoshi Sekiguchi, Hideo Adachi: Tactility providing apparatus and manipulating device using the same. Olympus Optical, Frishauf Holtz Goodman & Woodward, February 14, 1995: US05389849 (96 worldwide citation)

A detecting portion outputs a contact state signal in accordance with a contact state with respect to an object to be manipulated. The contact state signal represents at least one of information of a sense of sliding of the detection portion with respect to the object and surface information such as ...


2
Akito Saito, Takao Shibasaki, Takeo Asano, Hiroshi Matsuzaki, Yukihito Furuhashi, Akio Kosaka: Navigation apparatus and surgical operation image acquisition/display apparatus using the same. Olympus Optical, Frishauf Holtz Goodman & Chick P C, October 15, 2002: US06466815 (93 worldwide citation)

A navigation apparatus comprises a navigation-related information generating section and a display section. The navigation-related information generating section measures the position and orientation of an object and a target in a three-dimensional space and generate navigation-related information t ...


3
Akio Kosaka, Akito Saito, Takao Shibasaki, Takeo Asano, Hiroshi Matsuzaki, Yukihito Furuhashi: Three-dimensional position and orientation sensing system. Olympus Corporation, Scully Scott Murphy & Presser, April 20, 2004: US06724930 (90 worldwide citation)

A three-dimensional position and orientation sensing apparatus including: an image input section which inputs an image acquired by an image acquisition apparatus and showing at least three markers having color or geometric characteristics as one image, three-dimensional positional information of the ...


4
Hiroshi Matsuzaki, Takao Shibasaki, Akito Saito, Takeo Asano: Medical operation simulation system capable of presenting approach data. Olympus Optical, Frishauf Holtz Goodman Langer & Chick P C, September 4, 2001: US06283763 (38 worldwide citation)

A medical operation simulator includes a three-dimensional image reconstruction section, an instrument-image forming section, and an approach data presenting section. The three-dimensional image reconstructing section processes data representing slice images, thereby generating three-dimensional ima ...


5
Takeo Asano, Hiroo Iwata: Simulation system using computer graphics and model expression method in simulation system. Olympus Optical, Frishauf Holtz Goodman Langer & Chick P C, September 21, 1999: US05956040 (37 worldwide citation)

The numbers of nodes forming each polygon and the spatial coordinates of these nodes are stored as polygon data in a data storage unit. On the basis of this stored data, a model drawing unit expresses a model. To deform the model by using an operating tool expressed by polygons, a node formation cir ...


6
Akio Kosaka, Takao Shibasaki, Akito Saito, Takeo Asano, Hiroshi Matsuzaki, Yukihito Furuhashi: Surgical operation navigating system using a reference frame. Olympus Optical, Scully Scott Murphy & Presser, October 28, 2003: US06640127 (36 worldwide citation)

A reference frame adapted to be fitted to a subject of medical treatment and provided with markers for determining the position or the orientation of the subject comprises fitting section for fitting the reference frame with the subject at least three spots (tops of the left and right ears and the n ...


7
Akito Saito, Takao Shibasaki, Takeo Asano, Hiroshi Matsuzaki, Yukihito Furuhashi, Akio Kosaka: Navigation apparatus and surgical operation image acquisition/display apparatus using the same. Olympus Optical, Frishauf Holtz Goodman & Chick P C, September 24, 2002: US06456868 (30 worldwide citation)

A navigation apparatus comprises a navigation-related information generating section and a display section. The navigation-related information generating section measures the position and orientation of an object and a target in a three-dimensional space and generate navigation-related information t ...


8
Takeo Asano, Akito Saito, Takao Shibasaki, Hiroshi Matsuzaki: Operation route searching apparatus and searching method thereof. Olympus Optical, Frishauf Holtz Goodman & Chick P C, February 25, 2003: US06526162 (13 worldwide citation)

The present invention writes the obtained two-dimensional image data of a body including a diseased portion in a computer or the like, and displays a three-dimensional image of the body including the diseased portion and the related data in the same monitor. The diseased portion data is then convert ...


9
Takeo Asano, Takao Shibasaki, Yuichiro Akatsuka, Mikihiko Terashima: Information presentation system of visual field agreement type, and portable information terminal and server for use in the system. Olympus Corporation, Scully Scott Murphy & Presser P C, April 7, 2009: US07516421 (10 worldwide citation)

A plurality of known markers is disposed in a specific district. A marker detection section detects the known markers existing in the image photographed by an image pickup device. A position/orientation relation calculation section identifies the detected known marker to calculate position and orien ...


10
Takeo Asano, Hiroyuki Hayakawa, Ryuji Kodama, Shouzou Kouzu, Yasuaki Nomura, Yoshimitsu Fujiwara: Method and apparatus for separating bone and meat of upper half of poultry carcass and auto-loading system used therewith. Mayekawa Mfg, Evenson McKeown Edwards & Lenahan P L L C, November 16, 1999: US05984770 (7 worldwide citation)

A method and apparatus for separating bone and meat of the upper half of a poultry carcass with a variety of the sizes are provided, wherein first cutting is effected in the neighborhood of a shoulder joint to disconnect tissues under influence of a separation force applied between the upper half of ...