Hidefumi Hatsuzawa

Person

Mito, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Throttle valve control device
- Patent number 12,173,666
- Issue date Dec 24, 2024
- Hitachi Astemo, Ltd.
- Hidefumi Hatsuzawa
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Electronically controlled throttle device
- Patent number 11,946,431
- Issue date Apr 2, 2024
- Hitachi Astemo, Ltd.
- Hidefumi Hatsuzawa
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Valve body, electronic control throttle body, motor-driven throttle...
- Patent number 10,767,544
- Issue date Sep 8, 2020
- Hitachi Automotive Systems, Ltd.
- Hidefumi Hatsuzawa
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Inductive rotation angle sensor and motor-driven airflow control de...
- Patent number 7,845,616
- Issue date Dec 7, 2010
- Hitachi, Ltd.
- Hidefumi Hatsuzawa
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Throttle Valve Control Device
- Publication number 20240218840
- Publication date Jul 4, 2024
- Hitachi Astemo, Ltd.
- Hidefumi HATSUZAWA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ELECTRONICALLY CONTROLLED THROTTLE DEVICE
- Publication number 20230243312
- Publication date Aug 3, 2023
- Hitachi Astemo, Ltd.
- Hidefumi HATSUZAWA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
ELECTRONICALLY CONTROLLED THROTTLE DEVICE
- Publication number 20210381444
- Publication date Dec 9, 2021
- Hitachi Automotive Systems, Ltd.
- Hidefumi HATSUZAWA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
Valve Body, Electronic Control Throttle Body, Motor-Driven Throttle...
- Publication number 20190107034
- Publication date Apr 11, 2019
- Hitachi Automotive Systems, Ltd.
- Hidefumi HATSUZAWA
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Motor-Driven Throttle Valve Control Device Having Inductance-Based...
- Publication number 20120304964
- Publication date Dec 6, 2012
- Hitachi Automotive Systems, Ltd.
- Toyoshi NEMOTO
- G01 - MEASURING TESTING
Information Patent Application
Inductive Rotation Angle Sensor and Motor-Driven Airflow Control De...
- Publication number 20080087858
- Publication date Apr 17, 2008
- Hitachi, Ltd
- Hidefumi Hatsuzawa
- G01 - MEASURING TESTING

Hidefumi Hatsuzawa

Person

Patents Grantslast 30 patents

Throttle valve control device

Electronically controlled throttle device

Valve body, electronic control throttle body, motor-driven throttle...

Inductive rotation angle sensor and motor-driven airflow control de...

Patents Applicationslast 30 patents

Throttle Valve Control Device

ELECTRONICALLY CONTROLLED THROTTLE DEVICE

ELECTRONICALLY CONTROLLED THROTTLE DEVICE

Valve Body, Electronic Control Throttle Body, Motor-Driven Throttle...

Motor-Driven Throttle Valve Control Device Having Inductance-Based...

Inductive Rotation Angle Sensor and Motor-Driven Airflow Control De...