Kenji Maio

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Ultrasonic transmitting/receiving circuit and ultrasonic diagnostic...
- Patent number 9,157,990
- Issue date Oct 13, 2015
- Hitachi Medical Corporation
- Atsushi Suzuki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ultrasonic diagnostic apparatus and carrier signal generating circuit
- Patent number 9,022,941
- Issue date May 5, 2015
- Hitachi Medical Corporation
- Kanako Hatayama
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ultrasonic diagnostic apparatus and method thereof
- Patent number 9,007,872
- Issue date Apr 14, 2015
- Hitachi Medical Corporation
- Mitsuhiro Oshiki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ultrasonic diagnostic apparatus and ultrasonic probe used in same
- Patent number 8,579,823
- Issue date Nov 12, 2013
- Hitachi Medical Corporation
- Katsunori Asafusa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Variable gain amplifier circuit and gain control method thereof
- Patent number 7,005,922
- Issue date Feb 28, 2006
- Hitachi, Ltd.
- Takashi Oshima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Gain-control method and device for cascaded amplifiers
- Patent number 6,927,628
- Issue date Aug 9, 2005
- Renesas Technology Corporation
- Takashi Oshima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Driving circuit for a magnetic head and magnetic recording apparatus
- Patent number 6,867,936
- Issue date Mar 15, 2005
- Hitachi, Ltd.
- Yasuyuki Ookuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Variable gain amplifier
- Patent number 6,734,730
- Issue date May 11, 2004
- Hitachi, Ltd.
- Takeshi Doi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic gain adjustment circuit and amplifier using the same
- Patent number 6,717,471
- Issue date Apr 6, 2004
- Hitachi, Ltd.
- Satoshi Arayashiki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Photo semiconductor integrated circuit device and optical recording...
- Patent number 6,573,578
- Issue date Jun 3, 2003
- Hitachi, Ltd.
- Shigeharu Kimura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
DA conversion circuit
- Patent number 6,509,854
- Issue date Jan 21, 2003
- Hitachi, Ltd.
- Motohiko Morita
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Radiation detector and manufacturing process thereof
- Patent number 5,041,729
- Issue date Aug 20, 1991
- Hitachi, Ltd.
- Tetsuhiko Takahashi
- G01 - MEASURING TESTING
Information Patent Grant
Multi-element type radiation detector
- Patent number 4,982,095
- Issue date Jan 1, 1991
- Hitachi, Ltd.
- Tetsuhiko Takahashi
- G01 - MEASURING TESTING
Information Patent Grant
Method of converting analog signals into digital signals and system...
- Patent number 4,937,579
- Issue date Jun 26, 1990
- Hitachi Electronics, Ltd.
- Kenji Maio
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Two-step parallel analog to digital converter
- Patent number 4,875,048
- Issue date Oct 17, 1989
- Hitachi, Ltd.
- Toshihiko Shimizu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Analog-to-digital converter
- Patent number 4,866,444
- Issue date Sep 12, 1989
- Hitachi, Ltd.
- Yoshito Nejime
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Encoder
- Patent number 4,851,845
- Issue date Jul 25, 1989
- Hitachi, Ltd.
- Masao Hotta
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
DA converter
- Patent number 4,752,767
- Issue date Jun 21, 1988
- Hitachi, Ltd.
- Kenji Maio
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Analog to digital converter
- Patent number 4,752,766
- Issue date Jun 21, 1988
- Hitachi, Ltd.
- Toshihiko Shimizu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Radiation detector
- Patent number 4,733,088
- Issue date Mar 22, 1988
- Hitachi, Ltd.
- Hiromichi Yamada
- G01 - MEASURING TESTING
Information Patent Grant
Integral-type small signal input circuit
- Patent number 4,578,646
- Issue date Mar 25, 1986
- Hitachi, Ltd.
- Kenji Maio
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital-to-analog converter using a feedback element matching techn...
- Patent number 4,549,166
- Issue date Oct 22, 1985
- Hitachi, Ltd.
- Masao Hotta
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital-to-analog converter with error compensation
- Patent number 4,381,495
- Issue date Apr 26, 1983
- Hitachi, Ltd.
- Masao Hotta
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
D/A Conversion system with compensation circuit
- Patent number 4,340,882
- Issue date Jul 20, 1982
- Nippon Telegraph & Telephone Public Corporation
- Kenji Maio
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital-to-analog conversion system with compensation circuit
- Patent number 4,316,178
- Issue date Feb 16, 1982
- Nippon Telegraph and Telephone Public Corp.
- Akinori Shibayama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High-speed low-drift operational amplifier
- Patent number 4,293,819
- Issue date Oct 6, 1981
- Nippon Telegraph & Telephone Public Corporation
- Akinori Shibayama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Control system for deflecting an electron beam
- Patent number 4,197,486
- Issue date Apr 8, 1980
- Nippon Telegraph and Telephone Public Corporation
- Atsushi Iwata
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Control apparatus including an electronic timer
- Patent number 4,132,085
- Issue date Jan 2, 1979
- Hitachi, Ltd.
- Kenji Maio
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
ULTRASONIC DIAGNOSTIC APPARATUS AND METHOD THEREOF
- Publication number 20120113759
- Publication date May 10, 2012
- Hitachi Medical Corporation
- Mitsuhiro Oshiki
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ULTRASONIC TRANSMITTING/RECEIVING CIRCUIT AND ULTRASONIC DIAGNOSTIC...
- Publication number 20120092954
- Publication date Apr 19, 2012
- Hitachi Medical Corporation
- Atsushi Suzuki
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
ULTRASONIC DIAGNOSTIC APPARATUS AND ULTRASONIC PROBE USED IN SAME
- Publication number 20120078112
- Publication date Mar 29, 2012
- Hitachi Medical Corporation
- Katsunori Asafusa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ULTRASONIC DIAGNOSTIC APPARATUS, ULTRASONIC PROBE, AND ULTRASONIC D...
- Publication number 20120046552
- Publication date Feb 23, 2012
- Hitachi Medical Corporation
- Mitsuhiro Oshiki
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
ULTRASONIC DIAGNOSTIC APPARATUS AND CARRIER SIGNAL GENERATING CIRCUIT
- Publication number 20120029351
- Publication date Feb 2, 2012
- Hitachi Medical Corporation
- Kanako Hatayama
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Application
Driving circuit for a magnetic head and magnetic recording apparatus
- Publication number 20050128619
- Publication date Jun 16, 2005
- Hitachi, Ltd.
- Yasuyuki Ookuma
- G11 - INFORMATION STORAGE
Information Patent Application
Variable gain amplifier circuit and gain control method thereof
- Publication number 20040229586
- Publication date Nov 18, 2004
- Takashi Oshima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Gain-control method and device for cascaded amplifiers
- Publication number 20030218501
- Publication date Nov 27, 2003
- Hitachi, Ltd.
- Takashi Oshima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Variable gain amplifier
- Publication number 20030155973
- Publication date Aug 21, 2003
- Hitachi, Ltd.
- Takeshi Doi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Electrostatic discharge protection circuit
- Publication number 20030151865
- Publication date Aug 14, 2003
- Hitachi, Ltd.
- Kenji Maio
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Automatic gain adjustment circuit and amplifier using the same
- Publication number 20030151461
- Publication date Aug 14, 2003
- Hitachi, Ltd.
- Satoshi Arayashiki
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Driving circuit for a magnetic head and magnetic recording apparatus
- Publication number 20020105746
- Publication date Aug 8, 2002
- Yasuyuki Ookuma
- G11 - INFORMATION STORAGE
Information Patent Application
Photo semiconductor integrated circuit device and optical recording...
- Publication number 20020070417
- Publication date Jun 13, 2002
- Shigeharu Kimura
- H01 - BASIC ELECTRIC ELEMENTS

Person

Patents Grantslast 30 patents

Ultrasonic transmitting/receiving circuit and ultrasonic diagnostic...

Ultrasonic diagnostic apparatus and carrier signal generating circuit

Ultrasonic diagnostic apparatus and method thereof

Ultrasonic diagnostic apparatus and ultrasonic probe used in same

Variable gain amplifier circuit and gain control method thereof

Gain-control method and device for cascaded amplifiers

Driving circuit for a magnetic head and magnetic recording apparatus

Variable gain amplifier

Automatic gain adjustment circuit and amplifier using the same

Photo semiconductor integrated circuit device and optical recording...

DA conversion circuit

Radiation detector and manufacturing process thereof

Multi-element type radiation detector

Method of converting analog signals into digital signals and system...

Two-step parallel analog to digital converter

Analog-to-digital converter

Encoder

DA converter

Analog to digital converter

Radiation detector

Integral-type small signal input circuit

Digital-to-analog converter using a feedback element matching techn...

Digital-to-analog converter with error compensation

D/A Conversion system with compensation circuit

Digital-to-analog conversion system with compensation circuit

High-speed low-drift operational amplifier

Control system for deflecting an electron beam

Control apparatus including an electronic timer

Patents Applicationslast 30 patents

ULTRASONIC DIAGNOSTIC APPARATUS AND METHOD THEREOF

ULTRASONIC TRANSMITTING/RECEIVING CIRCUIT AND ULTRASONIC DIAGNOSTIC...

ULTRASONIC DIAGNOSTIC APPARATUS AND ULTRASONIC PROBE USED IN SAME

ULTRASONIC DIAGNOSTIC APPARATUS, ULTRASONIC PROBE, AND ULTRASONIC D...

ULTRASONIC DIAGNOSTIC APPARATUS AND CARRIER SIGNAL GENERATING CIRCUIT

Driving circuit for a magnetic head and magnetic recording apparatus

Variable gain amplifier circuit and gain control method thereof

Gain-control method and device for cascaded amplifiers

Variable gain amplifier

Electrostatic discharge protection circuit

Automatic gain adjustment circuit and amplifier using the same

Driving circuit for a magnetic head and magnetic recording apparatus

Photo semiconductor integrated circuit device and optical recording...