Yuji Hayasaka

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Harm-removing agent and method for rendering halogen-containing gas...
- Patent number 6,649,082
- Issue date Nov 18, 2003
- Showa Denko K.K.
- Yuji Hayasaka
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Reactive agent and process for decomposing fluorine compounds and u...
- Patent number 6,630,421
- Issue date Oct 7, 2003
- Showa Denko Kabushiki Kaisha
- Hitoshi Atobe
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Reactive agent and process for decomposing fluorine compounds and u...
- Patent number 6,563,011
- Issue date May 13, 2003
- Showa Denko Kabushiki Kaisha
- Hitoshi Atobe
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Harm-removing agent and method for rendering halogen-containing gas...
- Publication number 20030082918
- Publication date May 1, 2003
- Yuji Hayasaka
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Reactive agent and process for decomposing fluorine compounds and u...
- Publication number 20020032358
- Publication date Mar 14, 2002
- Showa Denko K.K.
- Hitoshi Atobe
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL