Hirotsugu Ito

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Patents Grantslast 30 patents

Information Patent Grant
Oil separating method
- Patent number 5,811,013
- Issue date Sep 22, 1998
- FSK Inc.
- Hirotsugu Ito
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for holding an object to a surface using valve controlled va...
- Patent number 5,177,857
- Issue date Jan 12, 1993
- FSK Inc.
- Hirotsugu Ito
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Apparatus for holding an object to a surface using valve controlled...
- Patent number 5,048,804
- Issue date Sep 17, 1991
- FSK Inc.
- Hirotsugu Ito
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS