Koichi Sugihara

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Chiryu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Valve device
- Patent number 12,135,093
- Issue date Nov 5, 2024
- Aisan Kogyo Kabushiki Kaisha
- Koichi Sugihara
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
EGR valve and EGR valve device provided with same
- Patent number 11,913,412
- Issue date Feb 27, 2024
- Aisan Kogyo Kabushiki Kaisha
- Naoya Suzuki
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
EGR valve
- Patent number 11,105,303
- Issue date Aug 31, 2021
- Aisan Kogyo Kabushiki Kaisha
- Koichi Sugihara
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

Information Patent Application
EGR VALVE SYSTEM
- Publication number 20230193861
- Publication date Jun 22, 2023
- AISAN KOGYO KABUSHIKI KAISHA
- Koichi Sugihara
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
EGR VALVE DEVICE
- Publication number 20220389890
- Publication date Dec 8, 2022
- AISAN KOGYO KABUSHIKI KAISHA
- Koichi Sugihara
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
EGR VALVE DEVICE
- Publication number 20220372938
- Publication date Nov 24, 2022
- AISAN KOGYO KABUSHIKI KAISHA
- Koichi Sugihara
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
VALVE DEVICE
- Publication number 20220333708
- Publication date Oct 20, 2022
- AISAN KOGYO KABUSHIKI KAISHA
- Koichi SUGIHARA
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
EGR VALVE AND EGR VALVE DEVICE PROVIDED WITH SAME
- Publication number 20220316431
- Publication date Oct 6, 2022
- AISAN KOGYO KABUSHIKI KAISHA
- Naoya SUZUKI
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
EGR VALVE
- Publication number 20200232424
- Publication date Jul 23, 2020
- Aisan Kogyo Kabushiki Kaisha
- Koichi Sugihara
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS