1
Shin ichiro Umemura, Charles A Cain, Kageyoshi Katakura: Ultrasonic irradiation system. Hitachi, Antonelli Terry & Wands, September 12, 1989: US04865042 (224 worldwide citation)

Herein disclosed is a system for irradiating sound waves to be converged into an annular focal zone having a desired size. This system uses a transducer which is composed of a plurality of elements divided at least in a circumferential direction of the face of the transducer so that the phases of dr ...


2
Kenji Yasuda, Shin ichiro Umemura, Kazuo Takeda, Mitsuru Tamura, Norio Shimizu: Particle handling method by acoustic radiation force and apparatus therefore. Hitachi, Antonelli Terry Stout & Kraus, May 11, 1999: US05902489 (138 worldwide citation)

A chamber for exerting an ultrasound beam on a sample solution containing particles to be concentrated, separated or arranged is provided with a view toward arbitrarily controlling the shape of a spatial distribution of potential energy created by the ultrasound beam and concentrating, separating or ...


3
Kenji Yasuda, Shin ichiro Umemura, Kenichi Kawabata, Kazuo Takeda, Kenko Uchida, Yoshinori Harada, Masao Kamahori, Kazuaki Sasaki: Particle handling apparatus for handling particles in fluid by acoustic radiation pressure. Hitachi, Antonelli Terry Stout & Kraus, April 17, 2001: US06216538 (100 worldwide citation)

An ultrasonic manipulation apparatus has a plurality of ultrasonic wave oscillators arranged in two dimensions to trap, fix or move particles to an optional position in the solution or perform cell fusion by using a gradient force obtained by superposing one over another the gradient force fields ge ...


4
Shin ichiro Umemura, Hiroshi Takeuchi, Kageyoshi Katakura, Chitose Nakaya: Piezoelectric ultrasonic transducer with acoustic matching plate. Hitachi, Hitachi Medical Corporation, Antonelli Terry & Wands, July 14, 1987: US04680499 (78 worldwide citation)

A monolithic array ultrasonic transducer has a plurality of transducer elements formed thereon by isolating metallized areas on a piezoelectric plate without cutting the piezoelectric plate apart for each transducer element, and an acoustic matching layer having a longitudinal wave velocity within . ...


5
Miyuki Kono, Shin ichiro Umemura, Takafumi Miyatake, Kunio Harada, Yoshitoshi Ito, Hironori Ueki: Personal identification system. Hitachi, Stanley P Fisher Esq, Juan Carlos A Marquez Esq, Reed Smith, November 2, 2004: US06813010 (51 worldwide citation)

A personal identification system, which uses a vein pattern of a finger, optimizes the amount of light of a light source based on a captured finger image and emphasizes the vein pattern during image processing for identification.


6
Takeshi Fujita, Masaharu Kiyama, Shin ichiro Umemura, Takamichi Muramatsu, Yuusuke Miyazaki, Masao Kamahori, Noboru Moriya, Shokichi Matsunami: DNA analyzer. Hitachi, Hitachi Electronics Engineering, Antonelli Terry Stout & Kraus, November 2, 1999: US05976338 (27 worldwide citation)

Arranging a pair of temperature control units on both sides of gel 1 and arranging light-transmitting slit 134 on one of the elements, irradiation of an excitation beam over the gel 1 and signal detection are practiced through the slit 134. Introducing dry air onto the slit part, mildew occurrence i ...


7
Yuichi Miwa, Shin ichiro Umemura, Ryuichi Shinomura, Hirotaka Baba, Naoto Fujita: Ultrasonic diagnostic apparatus and method for processing ultrasonic signal. Hitachi Medical Corporation, Antonelli Terry Stout & Kraus, April 12, 2005: US06878113 (20 worldwide citation)

An ultrasonic diagnostic apparatus acquires images different in a frequency. The invention is composed of a transducer including plural elements for sending an ultrasonic wave and receiving the reflected ultrasonic wave, analog to digital converters that digitize plural received signals, first mixer ...


8
Shin ichiro Umemura, Yuichi Miwa, Takashi Azuma, Takashi Sugiyama, Hiroshi Kuribara: Ultrasonograph. Hitachi Medical Corporation, Stites & Harbison PLLC, Juan Carlos A Marquez Esq, August 31, 2010: US07785260 (17 worldwide citation)

An ultrasonograph capable of generating a transmission beam comprising a main beam having a uniform width over a wide range in an ultrasonic wave propagation direction by one-time transmission of an ultrasonic pulse. A weighted mean value of a plurality of transmission delay time values correspondin ...


9
Miyuki Kono, Shin ichiro Umemura, Takafumi Miyatake, Kunio Harada, Yoshitoshi Ito, Hironori Ueki: Personal identification system. Hitachi, Reed Smith, Stanley P Fisher Esq, Juan Carlos A Marquez Esq, June 28, 2005: US06912045 (12 worldwide citation)

A personal identification system, which uses a vein pattern of a finger, optimizes the amount of light of a light source based on a captured finger image and emphasizes the vein pattern during image processing for identification.


10
Takashi Azuma, Shin ichiro Umemura, Hirotaka Baba: Ultrasonographic device and ultrasonographic method. Hitachi Medical Corporation, Antonelli Terry Stout & Kraus, December 20, 2011: US08079956 (12 worldwide citation)

In an ultrasonic imaging device having an image synthesizing unit, correlation between images to be synthesized is computed for balancing between an improvement in contrast resolution and an improvement in spatial resolution, and an amount of displacement between the images is computed. When the amo ...