Hiroki Ishikawa

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Iwate-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cover assembly for a concealed sprinkler head
- Patent number 6,840,329
- Issue date Jan 11, 2005
- Senju Sprinkler Company Limited
- Tetsuro Kikuchi
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Cover assembly for a concealed sprinkler head
- Publication number 20030196821
- Publication date Oct 23, 2003
- Tetsuro Kikuchi
- A62 - LIFE-SAVING FIRE-FIGHTING