Hisao Sonobe

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Angular velocity measuring device
- Patent number 8,302,476
- Issue date Nov 6, 2012
- Hitachi, Ltd.
- Masahiro Matsumoto
- G01 - MEASURING TESTING
Information Patent Grant
Hot-wire type air flow meter for internal combustion engine
- Patent number 6,752,014
- Issue date Jun 22, 2004
- Hitachi, Ltd.
- Atsushi Kanke
- G01 - MEASURING TESTING
Information Patent Grant
Fiber-optic cylinder pressure sensor
- Patent number 6,301,957
- Issue date Oct 16, 2001
- Hitachi, Ltd.
- Tatsunori Sakaguchi
- G01 - MEASURING TESTING
Information Patent Grant
Method for detecting fault of optical fiber gyro and apparatus for...
- Patent number 5,701,177
- Issue date Dec 23, 1997
- Hitachi Cable, Ltd.
- Tatsuya Kumagai
- G01 - MEASURING TESTING
Information Patent Grant
Intake air amount measuring apparatus for internal combustion engines
- Patent number 5,681,989
- Issue date Oct 28, 1997
- Hitachi, Ltd.
- Atsushi Kanke
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Phase adjustable optical fiber gyro using both even order harmonics...
- Patent number 5,608,525
- Issue date Mar 4, 1997
- Hitachi Cable, Ltd.
- Tatsuya Kumagai
- G01 - MEASURING TESTING
Information Patent Grant
Optical fiber gyro with memory storing data measured under applicat...
- Patent number 5,555,235
- Issue date Sep 10, 1996
- Hitachi Cable, Ltd.
- Tatsuya Kumagai
- G01 - MEASURING TESTING
Information Patent Grant
Fiber-optic gyroscope having angular velocity correction
- Patent number 5,396,327
- Issue date Mar 7, 1995
- Hitachi Cable, Ltd.
- Tatsuya Kumagai
- G01 - MEASURING TESTING
Information Patent Grant
Interference sensor and method utilizing extracted alliasing freque...
- Patent number 5,264,914
- Issue date Nov 23, 1993
- Shigeru Oho
- G01 - MEASURING TESTING
Information Patent Grant
An improved optical branching/coupling unit for an optical fiber gy...
- Patent number 5,208,652
- Issue date May 4, 1993
- Hitachi, Ltd.
- Hisao Sonobe
- G01 - MEASURING TESTING
Information Patent Grant
Phase modulation type fiber optic gyroscope
- Patent number 4,796,993
- Issue date Jan 10, 1989
- Hitachi, Ltd.
- Hisao Sonobe
- G01 - MEASURING TESTING
Information Patent Grant
Constant pressure type boiling cooling system
- Patent number 4,502,286
- Issue date Mar 5, 1985
- Hitachi, Ltd.
- Sadayuki Okada
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Constant pressure type ebullient cooling equipment
- Patent number 4,330,033
- Issue date May 18, 1982
- Hitachi, Ltd.
- Sadayuki Okada
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Open-type boiling cooling apparatus
- Patent number 4,106,557
- Issue date Aug 15, 1978
- Hitachi, Ltd.
- Hisao Sonobe
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
Angular Velocity Measuring Device
- Publication number 20100095769
- Publication date Apr 22, 2010
- Hitachi, Ltd
- Masahiro Matsumoto
- G01 - MEASURING TESTING
Information Patent Application
Hydraulic Controller
- Publication number 20090049909
- Publication date Feb 26, 2009
- Hitachi, Ltd
- Masahiro Matsumoto
- B60 - VEHICLES IN GENERAL

Hisao Sonobe

Person

Patents Grantslast 30 patents

Angular velocity measuring device

Hot-wire type air flow meter for internal combustion engine

Fiber-optic cylinder pressure sensor

Method for detecting fault of optical fiber gyro and apparatus for...

Intake air amount measuring apparatus for internal combustion engines

Phase adjustable optical fiber gyro using both even order harmonics...

Optical fiber gyro with memory storing data measured under applicat...

Fiber-optic gyroscope having angular velocity correction

Interference sensor and method utilizing extracted alliasing freque...

An improved optical branching/coupling unit for an optical fiber gy...

Phase modulation type fiber optic gyroscope

Constant pressure type boiling cooling system

Constant pressure type ebullient cooling equipment

Open-type boiling cooling apparatus

Patents Applicationslast 30 patents

Angular Velocity Measuring Device

Hydraulic Controller