Izumi Watanabe

Person

Hitachinaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Thermal type flow sensor having bridge circuit and adjustment circuit
- Patent number 8,779,337
- Issue date Jul 15, 2014
- Hitachi, Ltd.
- Hiroshi Nakano
- G01 - MEASURING TESTING
Information Patent Grant
Thermal type flow sensor
- Patent number 8,217,320
- Issue date Jul 10, 2012
- Hitachi, Ltd.
- Hiroshi Nakano
- G01 - MEASURING TESTING
Information Patent Grant
Thermal type flow sensor
- Patent number 8,203,102
- Issue date Jun 19, 2012
- Hitachi, Ltd.
- Hiroshi Nakano
- G01 - MEASURING TESTING
Information Patent Grant
Thermal flow rate measuring device
- Patent number RE42529
- Issue date Jul 12, 2011
- Hitachi, Ltd.
- Izumi Watanabe
- 073 - Measuring and testing
Information Patent Grant
Reduced resistance thermal flow measurement device
- Patent number 7,721,599
- Issue date May 25, 2010
- Hitachi, Ltd.
- Masahiro Matsumoto
- G01 - MEASURING TESTING
Information Patent Grant
Thermal type flow sensor with a constricted measuring passage
- Patent number 7,685,874
- Issue date Mar 30, 2010
- Hitachi, Ltd.
- Hiroshi Nakano
- G01 - MEASURING TESTING
Information Patent Grant
Thermal type flow rate measuring apparatus
- Patent number 7,650,784
- Issue date Jan 26, 2010
- Hitachi, Ltd.
- Izumi Watanabe
- G01 - MEASURING TESTING
Information Patent Grant
Thermal flowmeter for measuring a flow rate of fluid
- Patent number 7,631,555
- Issue date Dec 15, 2009
- Hitachi, Ltd.
- Hiroshi Nakano
- G01 - MEASURING TESTING
Information Patent Grant
Fluid flow sensor and fluid flow measurement device
- Patent number 7,624,633
- Issue date Dec 1, 2009
- Hitachi, Ltd.
- Keiichi Nakada
- G01 - MEASURING TESTING
Information Patent Grant
Thermal flow meter and control system
- Patent number 7,565,255
- Issue date Jul 21, 2009
- Hitachi, Ltd.
- Atsushi Kanke
- G01 - MEASURING TESTING
Information Patent Grant
Air flow measuring device provided with a vent in air passage
- Patent number 7,559,237
- Issue date Jul 14, 2009
- Hitachi Ltd.
- Hiromu Kikawa
- G01 - MEASURING TESTING
Information Patent Grant
Physical quantity sensor
- Patent number 7,555,944
- Issue date Jul 7, 2009
- Hitachi, Ltd.
- Hiroshi Nakano
- G01 - MEASURING TESTING
Information Patent Grant
Thermal type gas flow meter
- Patent number 7,437,927
- Issue date Oct 21, 2008
- Hitachi, Ltd.
- Masamichi Yamada
- G01 - MEASURING TESTING
Information Patent Grant
Thermal type flow measuring apparatus
- Patent number 7,409,859
- Issue date Aug 12, 2008
- Hitachi, Ltd.
- Izumi Watanabe
- G01 - MEASURING TESTING
Information Patent Grant
Thermal type flow rate measuring apparatus
- Patent number 7,395,707
- Issue date Jul 8, 2008
- Hitachi, Ltd.
- Izumi Watanabe
- G01 - MEASURING TESTING
Information Patent Grant
Air flow measuring device provided with a vent in air passage
- Patent number 7,377,161
- Issue date May 27, 2008
- Hitachi, Ltd.
- Hiromu Kikawa
- G01 - MEASURING TESTING
Information Patent Grant
Thermal type air flow meter having semiconductor sensor elements wi...
- Patent number 7,360,415
- Issue date Apr 22, 2008
- Hitachi, Ltd.
- Hiroshi Nakano
- G01 - MEASURING TESTING
Information Patent Grant
Thermal fluid flow meter having heat-generating resistor and temper...
- Patent number 7,337,661
- Issue date Mar 4, 2008
- Hitachi, Ltd.
- Masamichi Yamada
- G01 - MEASURING TESTING
Information Patent Grant
Thermal airflow meter
- Patent number 7,269,999
- Issue date Sep 18, 2007
- Hitachi, Ltd.
- Hiroshi Nakano
- G01 - MEASURING TESTING
Information Patent Grant
Fluid flow sensor and fluid flow measurement device
- Patent number 7,270,000
- Issue date Sep 18, 2007
- Hitachi, Ltd.
- Keiichi Nakada
- G01 - MEASURING TESTING
Information Patent Grant
Method of manufacturing a gas flow meter
- Patent number 7,228,614
- Issue date Jun 12, 2007
- Hitachi, Ltd.
- Masamichi Yamada
- G01 - MEASURING TESTING
Information Patent Grant
Heating resistance flow rate measuring apparatus
- Patent number 7,225,669
- Issue date Jun 5, 2007
- Hitachi, Ltd.
- Masahiro Matsumoto
- G01 - MEASURING TESTING
Information Patent Grant
Air flow measuring device and engine having the air flow measuring...
- Patent number 7,216,535
- Issue date May 15, 2007
- Hitachi, Ltd.
- Hiromu Kikawa
- G01 - MEASURING TESTING
Information Patent Grant
Air flow measuring device
- Patent number 7,201,047
- Issue date Apr 10, 2007
- Hitachi, Ltd.
- Hiromu Kikawa
- G01 - MEASURING TESTING
Information Patent Grant
Thermal flow sensor
- Patent number 7,181,962
- Issue date Feb 27, 2007
- Hitachi, Ltd.
- Masamichi Yamada
- G01 - MEASURING TESTING
Information Patent Grant
Thermal air flowmeter
- Patent number 7,137,298
- Issue date Nov 21, 2006
- Hitachi, Ltd.
- Masahiro Matsumoto
- G01 - MEASURING TESTING
Information Patent Grant
Thermal type flow rate measuring apparatus
- Patent number 7,104,126
- Issue date Sep 12, 2006
- Hitachi, Ltd.
- Izumi Watanabe
- G01 - MEASURING TESTING
Information Patent Grant
Air flow measuring device
- Patent number 7,059,183
- Issue date Jun 13, 2006
- Hitachi, Ltd.
- Hiromu Kikawa
- G01 - MEASURING TESTING
Information Patent Grant
Heating resistor type air flow rate measuring apparatus
- Patent number 7,036,368
- Issue date May 2, 2006
- Hitachi, Ltd.
- Masuo Akamatsu
- G01 - MEASURING TESTING
Information Patent Grant
Flowrate measuring device with improved flow introduction into sub-...
- Patent number 7,032,446
- Issue date Apr 25, 2006
- Hitachi, Ltd.
- Keiichi Nakada
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
THERMAL TYPE FLOW SENSOR
- Publication number 20120279294
- Publication date Nov 8, 2012
- Hiroshi NAKANO
- G01 - MEASURING TESTING
Information Patent Application
THERMAL TYPE FLOW SENSOR
- Publication number 20100170335
- Publication date Jul 8, 2010
- Hiroshi NAKANO
- G01 - MEASURING TESTING
Information Patent Application
Thermal Flow Measurement Device
- Publication number 20090000372
- Publication date Jan 1, 2009
- Masahiro Matsumoto
- G01 - MEASURING TESTING
Information Patent Application
FLUID FLOW SENSOR AND FLUID FLOW MEASUREMENT DEVICE
- Publication number 20080250855
- Publication date Oct 16, 2008
- Hitachi, Ltd
- Keiichi Nakada
- G01 - MEASURING TESTING
Information Patent Application
THERMAL TYPE FLOW RATE MEASURING APPARATUS
- Publication number 20080250856
- Publication date Oct 16, 2008
- Izumi Watanabe
- G01 - MEASURING TESTING
Information Patent Application
Air flow measuring device
- Publication number 20080202230
- Publication date Aug 28, 2008
- Hiromu Kikawa
- G01 - MEASURING TESTING
Information Patent Application
Thermal Type Gas Flow Meter
- Publication number 20080053215
- Publication date Mar 6, 2008
- Hitachi, Ltd
- Masamichi YAMADA
- G01 - MEASURING TESTING
Information Patent Application
THERMAL TYPE FLOW SENSOR
- Publication number 20080016959
- Publication date Jan 24, 2008
- Hiroshi NAKANO
- G01 - MEASURING TESTING
Information Patent Application
THERMAL TYPE FLOW SENSOR
- Publication number 20070181554
- Publication date Aug 9, 2007
- Hiroshi NAKANO
- G01 - MEASURING TESTING
Information Patent Application
Air flow measuring device
- Publication number 20070169548
- Publication date Jul 26, 2007
- Hiromu Kikawa
- G01 - MEASURING TESTING
Information Patent Application
Thermal flowmeter of fluid
- Publication number 20070125169
- Publication date Jun 7, 2007
- Hitachi, Ltd
- Hiroshi Nakano
- G01 - MEASURING TESTING
Information Patent Application
Thermal airflow meter
- Publication number 20070089503
- Publication date Apr 26, 2007
- Hiroshi Nakano
- G01 - MEASURING TESTING
Information Patent Application
Gas flow measuring apparatus
- Publication number 20070089504
- Publication date Apr 26, 2007
- Keiji Hanzawa
- G01 - MEASURING TESTING
Information Patent Application
Thermal type flow measuring apparatus
- Publication number 20070024119
- Publication date Feb 1, 2007
- Izumi Watanabe
- G01 - MEASURING TESTING
Information Patent Application
Thermal type flow rate measuring apparatus
- Publication number 20060272403
- Publication date Dec 7, 2006
- Izumi Watanabe
- G01 - MEASURING TESTING
Information Patent Application
Air flow measuring device
- Publication number 20060225497
- Publication date Oct 12, 2006
- Hiromu Kikawa
- G01 - MEASURING TESTING
Information Patent Application
Physical quantity sensor
- Publication number 20060220662
- Publication date Oct 5, 2006
- Hitachi, Ltd
- Hiroshi Nakano
- G01 - MEASURING TESTING
Information Patent Application
Thermal flow meter
- Publication number 20060207320
- Publication date Sep 21, 2006
- Masamichi Yamada
- G01 - MEASURING TESTING
Information Patent Application
Thermal flow sensor
- Publication number 20060144138
- Publication date Jul 6, 2006
- Hitachi, Ltd
- Masamichi Yamada
- G01 - MEASURING TESTING
Information Patent Application
Heating resistance flow rate measuring apparatus
- Publication number 20060070436
- Publication date Apr 6, 2006
- HITACHI, LTD.
- Masahiro Matsumoto
- G01 - MEASURING TESTING
Information Patent Application
Fluid flow sensor and fluid flow measurement device
- Publication number 20060065049
- Publication date Mar 30, 2006
- Hitachi, Ltd
- Keiichi Nakada
- G01 - MEASURING TESTING
Information Patent Application
Thermal type air flow meter
- Publication number 20060037390
- Publication date Feb 23, 2006
- Hitachi, Ltd
- Hiroshi Nakano
- G01 - MEASURING TESTING
Information Patent Application
Thermal type flow rate measuring apparatus
- Publication number 20050268713
- Publication date Dec 8, 2005
- Hitachi, Ltd.
- Izumi Watanabe
- G01 - MEASURING TESTING
Information Patent Application
HEATING RESISTANCE FLOW RATE MEASURING APPARATUS
- Publication number 20050229694
- Publication date Oct 20, 2005
- Hitachi, Ltd
- Masahiro Matsumoto
- G01 - MEASURING TESTING
Information Patent Application
Air flow measuring device
- Publication number 20050204810
- Publication date Sep 22, 2005
- Hiromu Kikawa
- G01 - MEASURING TESTING
Information Patent Application
Gas flowmeter and manufacturing method thereof
- Publication number 20050186696
- Publication date Aug 25, 2005
- Hitachi, Ltd
- Masamichi Yamada
- G01 - MEASURING TESTING
Information Patent Application
Heating resistor type flow-measuring device
- Publication number 20050120789
- Publication date Jun 9, 2005
- Masahiro Matsumoto
- G01 - MEASURING TESTING
Information Patent Application
Thermal flow meter and control system
- Publication number 20050072225
- Publication date Apr 7, 2005
- Atsushi Kanke
- G01 - MEASURING TESTING
Information Patent Application
Gas flowmeter and manufacturing method thereof
- Publication number 20050050953
- Publication date Mar 10, 2005
- Hitachi, Ltd.
- Masamichi Yamada
- G01 - MEASURING TESTING
Information Patent Application
Thermal air flowmeter
- Publication number 20040244479
- Publication date Dec 9, 2004
- Masahiro Matsumoto
- G01 - MEASURING TESTING

Izumi Watanabe

Person

Patents Grantslast 30 patents

Thermal type flow sensor having bridge circuit and adjustment circuit

Thermal type flow sensor

Thermal type flow sensor

Thermal flow rate measuring device

Reduced resistance thermal flow measurement device

Thermal type flow sensor with a constricted measuring passage

Thermal type flow rate measuring apparatus

Thermal flowmeter for measuring a flow rate of fluid

Fluid flow sensor and fluid flow measurement device

Thermal flow meter and control system

Air flow measuring device provided with a vent in air passage

Physical quantity sensor

Thermal type gas flow meter

Thermal type flow measuring apparatus

Thermal type flow rate measuring apparatus

Air flow measuring device provided with a vent in air passage

Thermal type air flow meter having semiconductor sensor elements wi...

Thermal fluid flow meter having heat-generating resistor and temper...

Thermal airflow meter

Fluid flow sensor and fluid flow measurement device

Method of manufacturing a gas flow meter

Heating resistance flow rate measuring apparatus

Air flow measuring device and engine having the air flow measuring...

Air flow measuring device

Thermal flow sensor

Thermal air flowmeter

Thermal type flow rate measuring apparatus

Air flow measuring device

Heating resistor type air flow rate measuring apparatus

Flowrate measuring device with improved flow introduction into sub-...

Patents Applicationslast 30 patents

THERMAL TYPE FLOW SENSOR

THERMAL TYPE FLOW SENSOR

Thermal Flow Measurement Device

FLUID FLOW SENSOR AND FLUID FLOW MEASUREMENT DEVICE

THERMAL TYPE FLOW RATE MEASURING APPARATUS

Air flow measuring device

Thermal Type Gas Flow Meter

THERMAL TYPE FLOW SENSOR

THERMAL TYPE FLOW SENSOR

Air flow measuring device

Thermal flowmeter of fluid

Thermal airflow meter

Gas flow measuring apparatus

Thermal type flow measuring apparatus

Thermal type flow rate measuring apparatus

Air flow measuring device

Physical quantity sensor

Thermal flow meter

Thermal flow sensor

Heating resistance flow rate measuring apparatus

Fluid flow sensor and fluid flow measurement device

Thermal type air flow meter

Thermal type flow rate measuring apparatus

HEATING RESISTANCE FLOW RATE MEASURING APPARATUS

Air flow measuring device

Gas flowmeter and manufacturing method thereof

Heating resistor type flow-measuring device

Thermal flow meter and control system

Gas flowmeter and manufacturing method thereof

Thermal air flowmeter