Koichi Fujiwara

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Gunma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rotation sensor
- Patent number 6,968,748
- Issue date Nov 29, 2005
- Hitachi Inisia Automotive, Ltd.
- Yuhide Aoki
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for measuring gas flow rate in a bypass passage and havin...
- Patent number 5,942,683
- Issue date Aug 24, 1999
- Unisia Jecs Corporation
- Hiroshi Aoi
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Hot wire air flow meter arrangement for monitoring intake air flow...
- Patent number 4,905,509
- Issue date Mar 6, 1990
- Japan Electronic Control Systems Co., Ltd.
- Koichi Fujiwara
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
Rotation sensor
- Publication number 20050016297
- Publication date Jan 27, 2005
- HITACHI UNISIA AUTOMOTIVE, LTD.
- Yuhide Aoki
- G01 - MEASURING TESTING
Information Patent Application
Flow rate measuring apparatus with a flow rate detector protecting...
- Publication number 20010006005
- Publication date Jul 5, 2001
- UNISIA JECS CORPORATION
- Kunihiko Sato
- G01 - MEASURING TESTING