1
Masahiko Hamano, Toshiaki Nishikori, Tsuguhisa Sasai, Mutsumi Oshima, Hiroyuki Ushifusa, Hideyuki Shouji, Atsushi Amano, Kouji Okada, Kazufumi Takamizawa, Kenya Inomata, Shingo Kato: Endoscope system with improved controller. Olympus Optical, Armstrong Westerman Hattori McLeland & Naughton, April 13, 1999: US05894322 (49 worldwide citation)

An endoscope system comprises a plurality of endoscope components including at least one endoscope light source apparatus for supplying illumination light to an endoscope and at least one video signal processing unit for processing video signals provided by the endoscope, a main control unit for con ...


2
Kouji Okada: Operational amplifier having rail to rail input/output ability. Fujitsu, Nikaido Marmelstein Murray & Oram, June 1, 1999: US05909146 (17 worldwide citation)

An operational amplifier having a high voltage power supply and a low voltage power supply receives first and second input signals and amplifies a voltage difference between the first and second input signals to generate an amplified signal. The operational amplifier has a first differential amplifi ...


3
Masahiko Hamano, Toshiaki Nishikori, Tsuguhisa Sasai, Mutsumi Oshima, Hiroyuki Ushifusa, Hideyuki Shouji, Atsushi Amano, Kouji Okada, Kenya Inomata, Kazufumi Takamizawa: Endoscope holding and storing apparatus. Olympus Optical, Armstrong Westerman Hattori McLeland & Naughton, May 16, 1995: US05415287 (12 worldwide citation)

A holding apparatus for holding at least an operational part of an endoscope is provided as a removable unit of an endoscope system storage rack. An endoscope storage case in which an insertion tube of an endoscope hung on the holding apparatus is removably provided in the storage rack below the hol ...


4
Kouji Okada: Comparator for an analog to digital converter. Fujitsu, Nikaido Marmelstein Murray & Oram, August 25, 1998: US05798725 (11 worldwide citation)

An improved method and apparatus related to a comparator particularly suited for use in an A/D converter so as to obtain a high resolution, which results in a reduced circuit area and operates with low power consumption. To compare an analog input voltage and reference voltages, the comparator inclu ...


5
Shinji Miyata, Kouji Okada, Masao Iijima, Teruhiko Saitou, Yukisato Miyazaki: Spread spectrum clock generation circuit, jitter generation circuit and semiconductor device. Fujitsu, Arent Fox PLLC, December 13, 2005: US06975148 (10 worldwide citation)

A spread spectrum clock generation circuit capable of further reducing the electromagnetic wave radiation with a simple configuration has been disclosed and, particularly in a spread spectrum clock generation circuit using a current control oscillator (ICO), a differential signal to which a spread s ...


6
Hajime Matsumoto, Kouji Okada, Nobuo Sano: Digital measuring device. Toybox Corporation, Staas & Halsey, November 20, 1984: US04483077 (9 worldwide citation)

A digital measuring device having a relatively rigid slide and a flexible, substantially transparent band with opaque indicia placed thereon, the band being capable of being pulled centrally through an opening in the slide. The slide houses a plurality of optic fibers with one end of each fiber term ...


7
Kouji Okada: Image taking apparatus and image taking method. Canon Kabushiki Kaisha, Cowan Liebowitz & Latman P C, June 10, 2008: US07386228 (9 worldwide citation)

An image taking apparatus installed with an image blur correction unit for correcting image blur by combining images, so image taking time in a case of continuous shooting of the images is prevented from being long and operations are carried out in a manner in which a photographer does not feel diso ...


8
Shinji Miyata, Kouji Okada, Masao Iijima, Teruhiko Saitou, Yukisato Miyazaki: Spread spectrum clock generation circuit, jitter generation circuit and semiconductor device. Fujitsu, Arent Fox PLLC, August 22, 2006: US07095260 (8 worldwide citation)

A spread spectrum clock generation circuit capable of further reducing the electromagnetic wave radiation with a simple configuration has been disclosed and, particularly in a spread spectrum clock generation circuit using a current control oscillator (ICO), a differential signal to which a spread s ...


9
Kouji Okada: Trans-conductance amplification circuit, trans-conductance filter circuit, and filtering method. Fujitsu, Arent Fox PLLC, December 27, 2005: US06980054 (7 worldwide citation)

A trans-conductance filter circuit with an expanded cut-off frequency range is provided. The cut-off frequency of a trans-conductance filter circuit is changed by varying the current mirror ratio of a current mirror circuit. This mirror ratio is varied by changing the output current of a constant cu ...


10
Takehiko Ide, Hiroki Kokubu, Takahisa Shiramizu, Yuji Tanaka, Tetsuo Hayama, Takashi Takeda, Hiroyuki Fukusako, Keisuke Shiba, Akihiro Nishiyama, Norio Amamoto, Hidehito Nakamura, Tsutomu Egashira, Kouji Okada: Small-sized printer having multiple function motor. Matsushita Electric Industrial, Watson Cole Stevens Davis P L L C, November 19, 1996: US05575575 (6 worldwide citation)

A small-sized printer includes a printing section equipped with a shuttle head in which impact-type printing units are arranged in juxtaposition in a sub-scanning direction, a cylindrical cam for reciprocating the shuttle head in the sub-scanning direction, and paper feeding rollers for feeding a st ...