Nobuyuki Tokunaga

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Ube-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for measuring water content in hydrogen fluoride-...
- Patent number 9,097,688
- Issue date Aug 4, 2015
- Central Glass Company, Limited
- Akiou Kikuchi
- G01 - MEASURING TESTING
Information Patent Grant
Fluorine gas generating apparatus
- Patent number 8,951,393
- Issue date Feb 10, 2015
- Central Glass Company, Limited
- Akifumi Yao
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Fluorine gas generating apparatus
- Patent number 8,864,961
- Issue date Oct 21, 2014
- Central Glass Company, Limited
- Akiou Kikuchi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Fluorine gas generating apparatus
- Patent number 8,864,960
- Issue date Oct 21, 2014
- Central Glass Company, Limited
- Akifumi Yao
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method for producing nitrogen trifluoride by gas-solid reaction
- Patent number 6,183,713
- Issue date Feb 6, 2001
- Central Glass Company, Limited
- Nobuyuki Tokunaga
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of forming tungsten carbide by chemical vapor deposition
- Patent number 4,980,201
- Issue date Dec 25, 1990
- Central Glass Company, Limited
- Nobuyuki Tokunaga
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
FLUORINE GAS GENERATING APPARATUS
- Publication number 20130008781
- Publication date Jan 10, 2013
- Central Glass Company, Limited
- Akiou Kikuchi
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Method and Device for Measuring Water Content in Hydrogen Fluoride-...
- Publication number 20120322158
- Publication date Dec 20, 2012
- Central Glass Company, Limited
- Akiou Kikuchi
- G01 - MEASURING TESTING
Information Patent Application
FLUORINE GAS GENERATING APPARATUS
- Publication number 20120292180
- Publication date Nov 22, 2012
- Central Glass Company, Limited
- Akifumi Yao
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
FLUORINE GAS GENERATING APPARATUS
- Publication number 20120241313
- Publication date Sep 27, 2012
- Central Glass Company, Limited
- Akifumi Yao
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR