Seiichiro Kumagai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Waste combustion system
- Patent number 5,038,690
- Issue date Aug 13, 1991
- Aono; Hideo
- Seiichiro Kumagai
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
2-cycle uni-flow spark-ignition engine
- Patent number 4,995,350
- Issue date Feb 26, 1991
- Kioritz Corporation
- Seiichiro Kumagai
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Two-stroke-cycle uniflow spark-ignition engine
- Patent number 4,977,875
- Issue date Dec 18, 1990
- Kioritz Corporation
- Seiichiro Kumagai
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Two-stroke-cycle uniflow spark-ignition engine
- Patent number 4,922,865
- Issue date May 8, 1990
- Kioritz Corporation
- Seiichiro Kumagai
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS