Yuki Watahiki

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Yamaguchi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Separation membrane for solid polymer fuel cell and separation memb...
- Patent number 9,153,830
- Issue date Oct 6, 2015
- Tokuyama Corporation
- Kazuyuki Sadasue
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Lubricant composition for polishing a magnetic head with fixed abra...
- Patent number 7,964,541
- Issue date Jun 21, 2011
- Tokuyama Corporation
- Tomonori Matsunaga
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
SEPARATION MEMBRANE FOR FUEL CELL, AND METHOD FOR PRODUCTION THEREOF
- Publication number 20110244367
- Publication date Oct 6, 2011
- Tokuyama Corporation
- Yuki Watahiki
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
SEPARATION MEMBRANE FOR SOLID POLYMER FUEL CELL AND SEPARATION MEMB...
- Publication number 20100291470
- Publication date Nov 18, 2010
- Tokuyama Corporation
- Kazuyuki Sadasue
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Lubricant Composition for Polishing a Magnetic Head with Fixed Abra...
- Publication number 20080176779
- Publication date Jul 24, 2008
- Tomonori Matsunaga
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...