Naoki Bessho

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Iwaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cerium oxide-based abrasive, and production method and use thereof
- Patent number 7,722,692
- Issue date May 25, 2010
- Show A Denko K.K.
- Tadashi Hiraiwa
- B24 - GRINDING POLISHING
Information Patent Grant
Cerium-based abrasive and production process thereof
- Patent number 7,470,297
- Issue date Dec 30, 2008
- Showa Denko K.K.
- Naoki Bessho
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Cerium-based abrasive, production process thereof
- Patent number 6,986,798
- Issue date Jan 17, 2006
- Showa Denko K.K.
- Naoki Bessho
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Cerium Oxide-Based Abrasive, and Production Method and Use Thereof
- Publication number 20090035202
- Publication date Feb 5, 2009
- Tadashi Hiraiwa
- B24 - GRINDING POLISHING
Information Patent Application
Mixed Rare Earth Oxide, Mixed Rare Earth Fluoride, Cerium-Based Abr...
- Publication number 20070258875
- Publication date Nov 8, 2007
- SHOWA DENKO K.K.
- Tadashi Hiraiwa
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Cerium-based abrasive and production process thereof
- Publication number 20050271570
- Publication date Dec 8, 2005
- Showa Denko K.K.
- Naoki Bessho
- B82 - NANO-TECHNOLOGY
Information Patent Application
Cerium-based polish and cerium-based polish slurry
- Publication number 20040198191
- Publication date Oct 7, 2004
- Naoki Bessho
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Cerium-based abrasive, production process thereof
- Publication number 20040043613
- Publication date Mar 4, 2004
- Naoki Bessho
- B82 - NANO-TECHNOLOGY