Nobutaka Kitagawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device
- Patent number 9,690,319
- Issue date Jun 27, 2017
- Kabushiki Kaisha Toshiba
- Nobutaka Kitagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Semiconductor integrated circuit having protection elements for pre...
- Patent number 7,525,778
- Issue date Apr 28, 2009
- Kabushiki Kaisha Toshiba
- Nobutaka Kitagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor integrated circuit apparatus
- Patent number 7,307,822
- Issue date Dec 11, 2007
- Kabushiki Kaisha Toshiba
- Nobutaka Kitagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor integrated circuit device and differential small-ampl...
- Patent number 7,218,150
- Issue date May 15, 2007
- Kabushiki Kaisha Toshiba
- Nobutaka Kitagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Protection circuit section for semiconductor circuit system
- Patent number 7,106,562
- Issue date Sep 12, 2006
- Kabushiki Kaisha Toshiba
- Nobutaka Kitagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrostatic discharge protection circuit device
- Patent number 7,072,157
- Issue date Jul 4, 2006
- Kabushiki Kaisha Toshiba
- Nobutaka Kitagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device having a protection circuit
- Patent number 6,989,980
- Issue date Jan 24, 2006
- Kabushiki Kaisha Toshiba
- Nobutaka Kitagawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Impedance trimming circuit
- Patent number 6,836,170
- Issue date Dec 28, 2004
- Kabushiki Kaisha Toshiba
- Nobutaka Kitagawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor integrated circuit system
- Patent number 6,713,817
- Issue date Mar 30, 2004
- Kabushiki Kaisha Toshiba
- Nobutaka Kitagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor integrated circuit apparatus for performing DA/AD con...
- Patent number 6,437,721
- Issue date Aug 20, 2002
- Kabushiki Kaisha Toshiba
- Nobutaka Kitagawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Analog-to-digital converting circuit apparatus and coverting method...
- Patent number 6,166,671
- Issue date Dec 26, 2000
- Kabushiki Kaisha Toshiba
- Nobutaka Kitagawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency multiplier circuit operable with an external reference cl...
- Patent number 6,147,525
- Issue date Nov 14, 2000
- Kabushiki Kaisha Toshiba
- Hiroshi Mitani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Reset input circuit for an MCU
- Patent number 6,097,228
- Issue date Aug 1, 2000
- Kabushiki Kaisha Toshiba
- Isao Fujisawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital-to-analog converter
- Patent number 5,731,774
- Issue date Mar 24, 1998
- Kabushiki Kaisha Toshiba
- Kazuhito Fujii
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Composite digital-to-analog converter
- Patent number 5,714,953
- Issue date Feb 3, 1998
- Kabushiki Kaisha Toshiba
- Hiroshi Mitani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Semiconductor integrated circuit device comprising memory area in w...
- Patent number 5,420,817
- Issue date May 30, 1995
- Kabushiki Kaisha Toshiba
- Nobutaka Kitagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Bit position encoder improved in operating speed
- Patent number 5,381,491
- Issue date Jan 10, 1995
- Kabushiki Kaisha Toshiba
- Kazumasha Ando
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Semiconductor device having increased electrostatic breakdown voltage
- Patent number 5,239,194
- Issue date Aug 24, 1993
- Kabushiki Kaisha Toshiba
- Satoshi Ohtani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nonvolatile semiconductor memory wherein dummy cells are used for g...
- Patent number 5,229,968
- Issue date Jul 20, 1993
- Kabushiki Kaisha Toshiba
- Makoto Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Duty radio control circuit apparatus
- Patent number 5,057,702
- Issue date Oct 15, 1991
- Kabushiki Kaisha Toshiba
- Nobutaka Kitagawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Sample-hold circuit with outputs taken between gates of dynamic shi...
- Patent number 5,016,263
- Issue date May 14, 1991
- Kabushiki Kaisha Toshiba
- Nobutaka Kitagawa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Nonvolatile memory circuit device with low power consumption and wi...
- Patent number 5,001,668
- Issue date Mar 19, 1991
- Kabushiki Kaisha Toshiba
- Makoto Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Nonvolatile memory circuit device performing stable operation in wi...
- Patent number 4,972,378
- Issue date Nov 20, 1990
- Kabushiki Kaisha Toshiba
- Nobutaka Kitagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Power source voltage detector device incorporated in LSI circuit
- Patent number 4,792,749
- Issue date Dec 20, 1988
- Kabushiki Kaisha Toshiba
- Nobutaka Kitagawa
- G05 - CONTROLLING REGULATING
Information Patent Grant
Constant voltage circuit having an operation-stop function
- Patent number 4,783,620
- Issue date Nov 8, 1988
- Kabushiki Kaisha Toshiba
- Nobutaka Kitagawa
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20170060171
- Publication date Mar 2, 2017
- Kabushiki Kaisha Toshiba
- Nobutaka Kitagawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ESD PROTECTION CIRCUIT
- Publication number 20130141825
- Publication date Jun 6, 2013
- Kabushiki Kaisha Toshiba
- Nobutaka KITAGAWA
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Impedance trimming circuit
- Publication number 20040207451
- Publication date Oct 21, 2004
- Nobutaka Kitagawa
- H03 - BASIC ELECTRONIC CIRCUITRY

Nobutaka Kitagawa

Person

Patents Grantslast 30 patents

Semiconductor device

Semiconductor integrated circuit having protection elements for pre...

Semiconductor integrated circuit apparatus

Semiconductor integrated circuit device and differential small-ampl...

Protection circuit section for semiconductor circuit system

Electrostatic discharge protection circuit device

Semiconductor device having a protection circuit

Impedance trimming circuit

Semiconductor integrated circuit system

Semiconductor integrated circuit apparatus for performing DA/AD con...

Analog-to-digital converting circuit apparatus and coverting method...

Frequency multiplier circuit operable with an external reference cl...

Reset input circuit for an MCU

Digital-to-analog converter

Composite digital-to-analog converter

Semiconductor integrated circuit device comprising memory area in w...

Bit position encoder improved in operating speed

Semiconductor device having increased electrostatic breakdown voltage

Nonvolatile semiconductor memory wherein dummy cells are used for g...

Duty radio control circuit apparatus

Sample-hold circuit with outputs taken between gates of dynamic shi...

Nonvolatile memory circuit device with low power consumption and wi...

Nonvolatile memory circuit device performing stable operation in wi...

Power source voltage detector device incorporated in LSI circuit

Constant voltage circuit having an operation-stop function

Patents Applicationslast 30 patents

SEMICONDUCTOR DEVICE

ESD PROTECTION CIRCUIT

Impedance trimming circuit