1
Christopher O R Sidall, Robert L Savitt: Endoscope disposable sheath. Fujinon, Marks Murase & White, May 3, 1988: US04741326 (168 worldwide citation)

A protective sheath assembly for use with a medical instrument is disclosed. The assembly comprises an elongatable hollow sheath attached to a transparent distal end plate. A tube extends from the end plate and is surrounded by the sheath. In order to provide for suctioning or irrigation of bodily c ...


2
Kenichi Sato: Single focus lens. Fujinon Corporation, Birch Stewart Kolasch & Birch, August 5, 2008: US07408725 (110 worldwide citation)

A single focus lens is provided and includes: in order from an object side of the single focus lens, a first lens having positive power and having a convex surface on the object side; a second lens of a negative meniscus lens and having a concave surface of the object side on its paraxial axis; and ...


3
Akahane Hidefumi, Akahoshi Kazuya: High frequency surgical instrument. Fujinon, Akahoshi Kazuya, November 26, 2008: EP1994904-A1 (81 worldwide citation)

A high frequency surgical instrument having a forceps assembly at a fore distal end of an elongated insertion member, the forceps assembly being constituted by a pair of opening and closing grasper members which are shaped with a series of saw teeth on an inner meeting side in such a way that saw to ...


4
Yoshikazu Shinohara: Imaging lens. Fujinon Corporation, Birch Stewart Kolasch & Birch, March 10, 2009: US07502181 (70 worldwide citation)

An imaging lens is provided and includes: a positive first lens with a convex surface directed to the object side; a second lens having a negative meniscus shape with a concave surface directed to the image side; a third lens having a positive meniscus shape with a convex surface directed to the ima ...


5
Shinohara Yoshikazu: Imaging lens. Fujinon, October 11, 2007: JP2007-264180 (65 worldwide citation)

PROBLEM TO BE SOLVED: To obtain a high-performance imaging lens coping with a larger number of pixels.SOLUTION: The imaging lens includes a first positive lens G1 whose surface on an object side is convex, a second lens G2 which is a negative meniscus turning its concave surface to an image surface ...


6
Kazunori Abe, Fujio Okada: Electronic endoscope apparatus to which electronic endoscopes with different numbers of pixels can be connected. Fujinon Corporation, Snider & Associates, Ronald R Snider, September 13, 2005: US06943821 (52 worldwide citation)

With a device that connects a processor device to electronic endoscopes having CCDs with different numbers of pixels, for example, 410, 270, or 190 thousand pixels mounted thereon, all the CCDs are driven at a frequency corresponding to 410 thousand pixels. Further, an information amount converting ...


7
Toru Nakayama: Fisheye lens and imaging device using it. Fujinon Corporation, Arnold International, Jon W Henry, Bruce Y Arnold, May 16, 2006: US07046458 (51 worldwide citation)

A fisheye lens with a field angle of at least one hundred sixty degrees is formed of two lens groups, arranged in order from the object side, as follows: a first lens group having negative refractive power and a second lens group having positive refractive power. The first lens group includes, arran ...


8
Kenichi Sato: Zoom lens including four lens groups. Fujinon Corporation, Arnold International, Jon W Henry, Bruce Y Arnold, January 1, 2008: US07315423 (47 worldwide citation)

A zoom lens that is designed to enable a thinner image pickup device includes, in order from the object side, a first lens group having positive refractive power and a reflecting surface for folding the optical axis of the zoom lens approximately ninety degrees, a second lens group having negative r ...


9
Hitoshi Miyano: Objective lens for endoscope, and imaging apparatus for endoscope using the same. Fujinon Corporation, Birch Stewart Kolasch & Birch, February 3, 2009: US07486449 (46 worldwide citation)

A front group consists of two concave lenses. A rear group consists of: a positive lens in which the object-side surface has a larger radius of curvature; and a cemented lens configured by a positive lens in which the object-side surface has a larger radius of curvature, and a negative meniscus lens ...


10
Taro Asami: Imaging lens and image pickup apparatus. Fujinon Corporation, Birch Stewart Kolasch & Birch, June 29, 2010: US07746572 (45 worldwide citation)

An imaging lens comprises, in order from an object side: a first lens that has a negative refractive power and is convex toward the object side; a second lens that has a positive refractive power and is a meniscus lens convex toward the object side; a stop; a third lens that has a positive refractiv ...