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Patents Grantslast 30 patents

Information Patent Grant
High-frequency switch circuit
- Patent number 7,171,234
- Issue date Jan 30, 2007
- Marino-Forum21
- Shigeru Kemmochi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High-frequency switch circuit
- Patent number 7,130,655
- Issue date Oct 31, 2006
- Marino-Forum 21
- Shigeru Kemmochi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Purification method by mixing/diffusion of closed water zone and mi...
- Patent number 6,428,711
- Issue date Aug 6, 2002
- Tokyo Kyuei Co., Ltd
- Makoto Nakamura
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE