Patents by Inventor Takeaki Nakamura

Takeaki Nakamura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4991957
    Abstract: A borescope apparatus having a borescope and a pressurized fluid supply device. The borescope has an operation unit and an insertion unit. The insertion unit comprises a bending tube portion, a jet port member coupled to a proximal end of the bending tube portion, and a flexible tube portion. The bending tube portion can be bent by operating the operation unit. The jet port member has a jet port. A pressuring fluid is supplied from the fluid supply unit to the jet port member, and is ejected through the jet port. The flexible tube portion can be bent by a jet of the fluid from through the jet port independently of the bending tube portion.
    Type: Grant
    Filed: September 6, 1988
    Date of Patent: February 12, 1991
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Nobuyuki Sakamoto, Yoshio Shishido, Masahiro Kumakura, Morihide Mizumoto, Morihide Tojo, Ryouji Masubuchi, Atsushi Miyazaki, Satoshi Tagami, Hiroshi Hasegawa, Shinichi Nishigaki, Yasuhiro Ueda, toshiaki Nishikiori, Kunio Kinoshita, Takeaki Nakamura, Eiichi Fuse, Yoshisada Aoki, Kazuhiro Misono
  • Patent number: 4983019
    Abstract: An endoscope light source apparatus which can feed an illuminating light adapted to a scope provided with a frame sequential type imaging device, a scope provided with a color mosaic type imaging device and a fiber scope has a light source lamp which can emit the illuminating light. A filter which can transmit the illuminating light is interposed in the light path connecting the light source lamp with the entrance end surface of a light guide capable of feeding the illuminating light to the scope and is provided within a cassette which is inserted through an inserting aperture provided on a housing containing the light source apparatus.
    Type: Grant
    Filed: June 13, 1990
    Date of Patent: January 8, 1991
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Yuji Ikuno, Toshiaki Nishikori, Akihiko Miyazaki, Kazunari Nakamura, Fumiyuki Onoda, Hiromasa Suzuki, Takeaki Nakamura, Yoshinao Oaki, Atsushi Kidawara, Masahide Kanno, Hisao Yabe, Shinichi Katoh
  • Patent number: 4961424
    Abstract: A therapeutical device using ultrasonic vibration includes an ultrasonic vibration generator for generating ultrasonic vibration in the axial direction of the device and in a direction different from the axial direction of the device, an amplifier connected to the ultrasonic vibration generator for amplifying the ultrasonic vibration generated, and a vibration transmitting connected to the amplifier member for transmitting the ultrasonic vibration.
    Type: Grant
    Filed: July 27, 1988
    Date of Patent: October 9, 1990
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Tatsuya Kubota, Masakazu Gotanda, Shinji Hatta, Hitoshi Karasawa, Tetsumaru Kubota, Takeaki Nakamura, Syuichi Takayama, Hiroshi Sasaki
  • Patent number: 4960106
    Abstract: This NMR metering endoscope apparatus is provided with an endoscope body and an NMR metering loop-like antenna. The endoscope body is provided with an elongate insertable part having an observing window and illuminating window in the tip part an observing system for observing an object by receiving a light coming from the object and entering through the observing window and an illuminating light outputting system emitting an illuminating light out of the illuminating window. The NMR metering antenna is fitted to the outer periphery including the tip surface of the insertable part of the endoscope body and can be connected to the NMR metering apparatus.
    Type: Grant
    Filed: April 27, 1988
    Date of Patent: October 2, 1990
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Hiroaki Kubokawa, Takashi Tsukaya, Yasuhiro Ueda, Takeaki Nakamura, Yutaka Ohshima, Hiroki Hibino, Shyuichi Takayama, Tadao Hagino
  • Patent number: 4936307
    Abstract: In a probe for observing an ultrasonic image, which obtains the ultrasonic image of an object to be observed such as a body cavity by means of an ultrasonic transmitting and receiving means, a mechanical scanning operation of the ultrasonic transmitting and receiving means is performed by an ultrasonic driving means, and thus it is possible to obtain a good diagnosis image with no distortion and no flicker because noises of the driving means can be reduced.Therefore, an ultrasonic endoscope system and an ultrasonic video endoscope system etc. which utilize the probe mentioned above can display a good ultrasonic image and a good optical image.
    Type: Grant
    Filed: April 14, 1988
    Date of Patent: June 26, 1990
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Yoshitake Saito, Tatsuo Nagasaki, Takashi Tsukaya, Tsuguhisa Sasai, Akira Hasegawa, Takeaki Nakamura, Koichi Matsui, Akira Murata, Hiroki Hibino, Yutaka Ohshima, Koji Yamaya, Michio Sato, Akira Suzuki, Koji Kambara, Masaaki Hayashi, Hideo Adachi, Hideo Tomabechi
  • Patent number: 4924852
    Abstract: An endoscope, which has an insertion section with a moving part, comprises a stator for generating a surface wave as a combination of a transverse wave and a longitudinal wave; a rotor rotatably disposed facing the stator; an urging mechanism for bringing the rotor intimately into contact with the stator; a coupling member coupled to the rotor and adapted to cause the moving part of the endoscope to operate as the rotor rotates; and a disengaging mechanism for releasing the stator and the rotor from the intimate contact with each other.
    Type: Grant
    Filed: September 7, 1988
    Date of Patent: May 15, 1990
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Akira Suzuki, Yoshikatsu Nagayama, Michio Sato, Koji Yamaya, Koji Kanbara, Akira Hasegawa, Masaaki Hayashi, Hideo Adachi, Takeaki Nakamura
  • Patent number: 4919520
    Abstract: Liquid crystal eyeglasses include a detector for detecting a physical quantity which varies with the temperature of the liquid crystal, the orientation of molecules of the liquid crystal or a change in the refractive index of the liquid crystal. The voltage applied to the liquid crystal is controlled in accordance with an output signal from the detector, thus compensating for a change in the refractive index of the liquid crystal which is attributable to a temperature change and maintaining the refractive index constant.
    Type: Grant
    Filed: November 18, 1988
    Date of Patent: April 24, 1990
    Assignee: Olympus Optical Company
    Inventors: Takao Okada, Takeaki Nakamura, Kazuo Nakamura, Kimihiko Nishioka, Toshihito Kouchi, Hiroyuki Yamamoto, Hideo Tomabechi
  • Patent number: 4918521
    Abstract: This solid state imaging apparatus is provided within the tip part of an insertable part of an endoscope and is provided with an image forming optical system for forming images. This image forming optical system forms an optical image on the imaging surface of a solid state imaging chip provided in the rear of this image forming optical system. This solid state imaging chip is affixed to a circuit substrate extending substantially at right angles with the imaging surface and electrically connected with the solid state imaging chip. This circuit substrate is connected with a signal cable transmitting input and output signals of the solid state imaging chip.
    Type: Grant
    Filed: January 14, 1988
    Date of Patent: April 17, 1990
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Hisao Yabe, Hisao Ogiu, Toshiyuki Takara, Koji Takamura, Masaaki Nakazawa, Akinobu Uchikubo, Tomoaki Sato, Atsushi Miyazaki, Akibumi Ishikawa, Takeaki Nakamura
  • Patent number: 4905082
    Abstract: An electronic endoscope system has an elongated rigid inserting section and a relay optical system disposed therein. The relay optical system transfers an optical image. A imaging device is disposed at a focus position of the relay optical sysetm in a face-to-face relationship with the imaging surface thereof.
    Type: Grant
    Filed: May 5, 1988
    Date of Patent: February 27, 1990
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Shinichi Nishigaki, Takeaki Nakamura, Minoru Okabe, Hitoshi Karasawa, Hiroyuki Kusnoki, Tadao Hagino, Tetsumaru Kubota, Mototsugu Ogawa, Masato Toda, Teruaki Sugata
  • Patent number: 4901142
    Abstract: A video scope system including a video scope in which a solid state image sensor is disposed in a distal end of an insertion to be inserted into an object under inspection and picks up an image of the inside of the object under inspection illuminated by a light fed by a light guide extending in the insertion section, a light source unit having a light source feeding a light into the light guide, and a video processor unit processing a signal supplied from the solid state image sensor to output a picture signal to be displayed on a monitor. The light source unit and the video processor unit are disposed in separate housings, respectively, and these units are connected to each other by a cable to transmit a signal therebetween.
    Type: Grant
    Filed: March 18, 1988
    Date of Patent: February 13, 1990
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Yuji Ikuno, Takeaki Nakamura, Yoshikazu Tojo, Shinichi Nishigaki, Hiromasa Suzuki, Hisao Yabe, Jun Yoshinaga, Takeshi Yokoi, Kazuhiko Ohzeki, Masahide Kanno
  • Patent number: 4885635
    Abstract: This endoscope light source apparatus can feed illuminating lights to a scope provided with a frame sequential type imaging device, a scope provided with a color mosaic type imaging device and a fiber scope. This endoscope light source apparatus has a frame sequential light source part which can output a plurality of color lights and a white light source part which can output a white light. This frame sequential light source part has a filter which can output a plurality of color lights.
    Type: Grant
    Filed: May 1, 1989
    Date of Patent: December 5, 1989
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Kenji Kimura, Hiroki Hibino, Toshiaka Nisikori, Hisao Ogiu, Atsushi Kidawara, Hisao Yabe, Koji Takamura, Jun Yoshinaga, Shinichi Kato, Takeaki Nakamura
  • Patent number: 4879992
    Abstract: This rigid electronic endoscope has an endoscope having an elongate insertable part connected to the front part of an operating part which is also a holding part on the base side and formed of a solid state imaging device which can output an electric signal by electrically converting an object image in this insertable part and a conductive shielding member sheathing this insertable part. The electric signal obtained by this endoscope is input into a signal processing circuit. The ground terminal of this signal processing circuit is electrically connected to the above mentioned shielding member and is isolated from a ground terminal on the external current source side.
    Type: Grant
    Filed: April 26, 1988
    Date of Patent: November 14, 1989
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Shinichi Nishigaki, Takeaki Nakamura, Jun Yoshinaga, Masahide Kanno, Hisao Yabe, Takeshi Yokoi, Kazuhiko Oozeki, Yoshikazu Tojo, Hiromasa Suzuki
  • Patent number: 4870950
    Abstract: This endoscope system is provided with an endoscope and an image receiving apparatus to be fitted to the eyepiece part of this endoscope. The endoscope has an elongate insertable part, an objective optical system provided in the tip part of the insertable part, an eyepiece part provided on the rear end side of the insertable part and an image guide consisting of a fiber bundle transmitting the image formed by the objective optical system to the eyepiece part. The image receiving apparatus has an image receiving part of many pixels on which the image from the eyepiece part is formed. Further, the endoscope system is provided with a vibrating apparatus relatively vibrating the image formed on the image receiving part and the image receiving part. The image receiving apparatus is a television camera, co-viewing apparatus or electronic still camera.
    Type: Grant
    Filed: July 8, 1988
    Date of Patent: October 3, 1989
    Inventors: Kouji Kanbara, Kenichi Kikuchi, Yoshihito Shimizu, Shinichiro Hattori, Yoshikazu Tojo, Akira Hasegawa, Tatsuya Yamaguchi, Takashi Tsukaya, Kazunari Kobayashi, Masanao Murata, Tsutomu Yamamoto, Takeaki Nakamura
  • Patent number: 4867138
    Abstract: This rigid electronic endoscope is formed of an endoscope body and an elongate tubular guide tube. An insertable part to be inserted through the guide tube is provided in front of this endoscope body. A solid state imaging device as an imaging means is provided in the tip part of this insertable part and a supporting part of a cross-sectional area smaller than of this tip part is provided in the rear of this tip part. A space as a treating tool inserting path or as a liquid feeding and sucking tube path which can feed and drain an irrigating liquid is formed between this supporting part and the inner surface of the guide tube.
    Type: Grant
    Filed: April 26, 1988
    Date of Patent: September 19, 1989
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Tetsumaru Kubota, Takeaki Nakamura, Minoru Okabe, Hitoshi Karasawa, Hiroyuki Kusunoki, Tadao Hagino, Mototsugu Ogawa, Masato Toda, Teruaki Sugata, Shinichi Nishigaki
  • Patent number: 4867136
    Abstract: An endoscope apparatus for inspecting an object including an insertion section insertable into the object and having a distal end and a proximal end, an image guide arranged within the insertion section and having entrance and exit ends arranged at the distal and proximal ends of insertion section, respectively, an objective lens system arranged at the distal end of insertion section for forming an optical image of the object onto the entrance end of image guide, an eyepiece lens system arranged at the proximal end of insertion section for projecting the optical image transmitted through the image guide onto an observating position, a first piezo-electric bimorph arranged at the distal end of insertion section for vibrating the entrance end of image guide in a direction perpendicular to a longitudinal axis of the insertion section over a given distance, a second piezo-electric element arranged at the proximal end of insertion section for vibrating the exit end of image guide in the same direction and over the
    Type: Grant
    Filed: April 19, 1988
    Date of Patent: September 19, 1989
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Akira Suzuki, Susumu Takahashi, Takeaki Nakamura, Tatsuya Yamaguchi, Takashi Tsukaya, Tsutomu Yamamoto, Masanao Murata, Kazunari Kobayashi, Yoshikazu Tojo, Kenichi Kikuchi, Koji Kanbara, Yoshihito Shimizu, Akira Hasegawa, Shinichiro Hattori, Iwao Kanamori, Akira Yokota, Kimihiko Nishioka, Minoru Okabe, Katsuyuki Kanehira, Nobuo Yamashita, Masayoshi Naito, Tomoaki Sato, Koichi Matsui, Kenji Hirooka, Hiroki Hibino
  • Patent number: 4862872
    Abstract: This endoscope system comprises an endoscope and a washing apparatus. The endoscope is provided with an elongate insertable part having an observing window and illuminating window in the tip part, an observing system receiving the returning light from an object entering through the observing window, an illuminating light output system emitting an illuminating light from the illuminating window and a memorizing device capable of memorizing information relating to washing. The washing apparatus is provided with a read-out device reading out information memorized in the memorizing device of the endoscope and a control device controlling the conditions of washing the endoscope by the information read out by the read-out device.
    Type: Grant
    Filed: April 6, 1988
    Date of Patent: September 5, 1989
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Hisao Yabe, Masahide Kanno, Jun Yoshinaga, Takeshi Yokoi, Kazuhiko Ozeki, Takeaki Nakamura, Yoshikazu Tojo, Shinichi Nishigaki, Hiromasa Suzuki
  • Patent number: 4862258
    Abstract: The endoscope light source apparatus of this invention has a light source for emitting a white color light as an illuminating light and a connecting part connectable with the light guide of the endoscope. Reflecting members are movably provided in the light path connecting the light source and the connecting part, and switch the light path between a light path through which the illuminating light adapted to an endoscope provided with a frame sequential type imaging device can be made to enter a filter which can sequentially transmit it and a light path which can avoid the filter.
    Type: Grant
    Filed: April 29, 1988
    Date of Patent: August 29, 1989
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Atsushi Kidawara, Toshiaki Nishikori, Masahide Kanno, Hisao Yabe, Shinichi Katoh, Yuji Ikuno, Takeaki Nakamura
  • Patent number: 4855819
    Abstract: A system comprising a frame sequential type color imaging device, a color imaging device provided with a color filter, an illuminating light outputting device which can output illuminating lights corresponding to these different color imaging devices, a signal processing device processing the signals corresponding to the respective color imaging devices and a color monitor displaying the processed color video signals so that any color imaging device can be used.
    Type: Grant
    Filed: January 29, 1988
    Date of Patent: August 8, 1989
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Hiroki Hibino, Kenji Kimura, Masahide Kanno, Toshiaki Nishikori, Jun Yoshinaga, Atsushi Kidawara, Hisao Yabe, Shinichi Katou, Koji Takamura, Takeaki Nakamura
  • Patent number: 4803550
    Abstract: An imaging apparatus for use in an electronic endoscope or the like is provided with a mechanically driven light-shielding plate, wherein imaging is effected by using a solid-state imaging device starting from a time when an amount of light shielded by this light-shielding plate becomes minimal, or imaging is effected repeatedly during a short exposure time within a transient period during which the amount of light shielded becomes minimal, and when an signal level of each image reaches a reference level, that signal is stored in a memory.
    Type: Grant
    Filed: April 13, 1988
    Date of Patent: February 7, 1989
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Hisao Yabe, Kenji Kimura, Masahide Kanno, Kiyoshi Tsuji, Jun Yoshinaga, Takeshi Yokoi, Kazuhiko Ozeki, Shinichi Nishigaki, Takeaki Nakamura, Yoshikazu Tojo, Hiromasa Suzuki
  • Patent number: 4795248
    Abstract: Liquid crystal eyeglasses include a detector for detecting a physical quantity which varies with the temperature of the liquid crystal, the orientation of molecules of the liquid crystal or a change in the refractive index of the liquid crystal. The voltage applied to the liquid crystal is controlled in accordance with an output signal from the detector, thus compensating for a change in the refractive index of the liquid crystal which is attributable to a temperature change and maintaining the refractive index constant.
    Type: Grant
    Filed: August 27, 1985
    Date of Patent: January 3, 1989
    Assignee: Olympus Optical Company Ltd.
    Inventors: Takao Okada, Takeaki Nakamura, Kazuo Nakamura, Kimihiko Nishioka, Toshihito Kouchi, Hiroyuki Yamamoto, Hideo Tomabechi