Tokyo, Japan
Tokyo, Japan

Olympus Corporation is a Japan-based manufacturer of optics and reprography products. Olympus was established on 12 October 1919, initially specializing in microscope and thermometer businesses. Olympus enjoys a majority share of the world market in gastro-intestinal endoscopes. It has a roughly 70% share of the global market whose estimated value is US$2.5 billion. Its global headquarters are in Shinjuku, Tokyo, Japan.In 2011, the company gained coverage in global media when it fired after two weeks its newly appointed British chief executive Michael Woodford, a 30 year Olympus veteran, and Olympus' president and chief operating officer since April that year, who had sought to probe financial irregularities and unexplained payments of hundreds of millions of dollars following his appointment as CEO. Although the board initially dismissed Woodford's concerns via mass media as being "disruptive" actions and Woodford as failing to grasp local culture, the matter quickly snowballed into a corporate corruption scandal over concealment of more than 117.7 billion Yen of investment losses and other dubious fees and other payments dating back to the late 1980s and suspicion of covert payments to criminal organizations. By 2012 the scandal had developed into one of the biggest and longest-lived loss-concealing financial scandals in the history of corporate Japan; it had wiped 75 - 80% off the company's stock market valuation, led to the resignation of much of the board, investigations across Japan, the UK and US, the arrest of 11 past or present Japanese directors, senior managers, auditors and bankers of Olympus for alleged criminal activities or cover-up, and raised considerable turmoil and concern over Japan's prevailing corporate governance and transparency and the Japanese financial markets. Woodford himself, who stated he had received death threats over his exposing of the cover-up, received a reported £10 million in damages from Olympus for defamation and wrongful dismissal in 2012; around the same time, Olympus also announced it would shed 2,700 jobs and around 40 percent of its 30 manufacturing plants by 2015 to reduce its cost base. The company is owned 17% by two large camera makers, Sony and Mitsubishi . Wikipedia.


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Patent
Olympus Corporation | Date: 2017-01-30

An endoscope includes: an endoscope distal end rigid member; an objective optical system fixing frame; a moving frame; a wire unit including a rigid shaft portion; a wire unit connecting projection portion configured such that a flange having a diameter larger than the rigid shaft portion is screwed to a distal end face side; a first wire unit insertion hole through which a flange of the rigid shaft portion can pass in a state that screwing to the wire unit connecting projection portion is canceled; a lid member; a second wire unit insertion hole configured to be coaxial with a center axis of the first wire unit insertion hole, and through which the flange of the rigid shaft portion can pass; and a sealing member.


Patent
Olympus Corporation | Date: 2017-05-17

An imaging device according to the present invention includes an image sensor (244) having: a light receiving unit (244f) in which a plurality of pixels is provided in a matrix form, each of the pixels being configured to perform photoelectric conversion on received light to generate an electrical signal; a reading unit (244g) that sequentially reads, for each line, the electrical signal generated by each of the pixels; and an imaging controller (244e) that performs imaging control that alternately repeats read processing that causes the reading unit (244g) to read the electrical signal generated by at least a pixel as an image processing target among the plurality of pixels and exposure processing that exposes the light receiving unit, and includes a drive information generation unit (408a) that sets an exposure period of the exposure processing based on the electrical signal and generates the set exposure period as drive information. The imaging controller (408a) controls the exposure processing and the read processing based on the drive information.


Patent
Olympus Corporation | Date: 2017-05-17

An ultrasonic probe includes a hook curved relative to a probe main body in a first perpendicular direction and forming a part of a distal surface, and a first base surface extending toward a proximal direction from a hook proximal end and serving as a base plane of the hook. The ultrasonic probe includes a protrusion protruding toward a second perpendicular direction with a second base surface, which is directed in a second perpendicular direction opposite to the first perpendicular direction, being as a base plane and extending toward both the proximal direction and a distal direction from a reference position located on a section, which passes through the hook proximal end and which is perpendicular to a longitudinal axis.


Patent
Olympus Corporation | Date: 2017-01-30

An imaging apparatus includes an image sensor configured to perform photoelectric conversion on a subject image formed by an optical system, a first driving actuator configured to cause translation and a rotational movement of the image sensor, a first angular velocity detector configured to detect a first rotation angular velocity, a second angular velocity detector configured to detect a second rotation angular velocity, a third angular velocity detector configured to detect a third rotation angular velocity, and an image blur correction control unit configured to control the first driving actuator so that the first driving actuator causes both the translation and the rotational movement, on the basis of a first rotation angular velocity, a second rotation angular velocity, a third rotation angular velocity, an optical center position of the optical system and a rotation center position of the image sensor.


An image processing method includes: acquiring correction data for correcting first image data into second image data, the first image data being generated by an imaging device when a subject is irradiated with three rays of narrow band light having wavelength bands narrower than those of spectral sensitivity of pixels R, G, and B, and having spectrum peaks within wavelength bands of the spectral sensitivity of the pixels R, G, and B, and the second image data being deemed to be generated by the imaging device when white light is emitted; acquiring the first image data when the subject is irradiated with the three rays of narrow band light; generating color image data of the second image data using the first image data and the correction data; and calculating oxygen saturation of the subject using a pixel value R and a pixel value G included in the first image data.


Patent
Olympus Corporation | Date: 2017-01-30

An endoscope system is provided with an operation part, an elongated part, an imaging part, a control part, a display part, a rotation operation input part, and a rotation coupling part that rotates an imaging field of view in the imaging part around the optical axis in accordance with the rotation amount provided to the control part, wherein the control part outputs to the display part an image which has been captured by the imaging part and is brought into a state in which the field of view is rotated by the rotation coupling part.


Patent
Olympus Corporation | Date: 2017-02-01

Provided is an objective optical system composed of, in order from an object side, a first and a second groups, the first group including: a positive and single lens having a flat surface on an object side and a convex surface directed toward an image plane; a positive and single lens having a convex surface directed toward an object; a positive lens in which a convex lens having a flat surface directed toward the object and a negative lens are cemented, and the second group including: a lens in which a negative lens and a double-convex lens are cemented; a lens in which a lens having a concave surface directed toward the object and a lens having a convex surface directed toward the object are cemented; a negative lens in which a negative lens, a positive lens, and a negative lens are cemented; and a positive and compound lens.


Patent
Olympus Corporation | Date: 2017-01-31

A medical treatment instrument of the present invention includes: a pair of opening and closing pieces; an opening and closing shaft section configured to hold the pair of opening and closing pieces so that the pair of opening and closing pieces are able to pivot relative to each other; a first gear fixed to either of the pair of opening and closing pieces to pivot about the opening and closing shaft section; a second gear which is able to rotate to transmit a rotational force to the first gear; a rotatable member fixed to the second gear coaxially with the second gear and having a diameter larger than a diameter of the second gear; and a power transmission member provided around an outer circumference of the rotatable member and configured to rotate the rotatable member.


Patent
Olympus Corporation | Date: 2017-05-17

An endoscope reprocessor includes: a medicinal solution storage portion configured to store a medicinal solution; a sampling tube including a first end portion opened at or below a predetermined water level inside the medicinal solution storage portion, and a second end portion opened at a position higher than the predetermined water level outside the medicinal solution storage portion; a first chamber, inside which the second end portion of the sampling tube is opened; a second chamber where an opening portion and a communication port communicated with the first chamber are formed; a constricted portion configured to connect the first chamber and the communication port and provided with an inner dimeter smaller than an inner diameter of the first chamber; a first advancing/retreating portion configured to advance and retreat between a first position to block the constricted portion and a second position to open the constricted portion farther away from the constricted portion than the first position, inside the first chamber; and a retention portion arranged at the constricted portion or the first advancing/retreating portion and configured to retain the first advancing/retreating portion at the first position.


Patent
Olympus Corporation | Date: 2017-05-17

Provided is a small endoscope objective optical system that allows stereoscopic viewing even though a wide angle is used, that reduces the F-number, and that also reduces vignetting. Provided is an endoscope objective optical system that consists of, sequentially from the object side, a negative first lens group (G1), a positive second lens group (G2), and a pair of third lens groups (G3) that are disposed side-by-side in the direction of parallax and that form two optical images with parallax, wherein aperture stops (S) are individually provided in the third lens groups, and conditional expression (1) below is satisfied:

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