Ken Komiya

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Itabashi-Ku Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Double funnel float valve
- Patent number 6,092,547
- Issue date Jul 25, 2000
- Keinosuke Komiya
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Method of preventing external contamination in multiple tank fluid...
- Patent number 6,024,113
- Issue date Feb 15, 2000
- Keinosuke Komiya
- E03 - WATER SUPPLY SEWERAGE