Kouhei Mitsuhashi

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Silica-calcium carbonate composite particles
- Patent number 7,060,127
- Issue date Jun 13, 2006
- Nittetsu Mining Co., Ltd.
- Katsuyuki Tanabe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Titanium dioxide-calcium carbonate composite particles
- Patent number 6,991,677
- Issue date Jan 31, 2006
- Nittetsu Mining Co., Ltd.
- Katsuyuki Tanabe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Silica-calcium carbonate composite particles
- Publication number 20050235872
- Publication date Oct 27, 2005
- NITTETSU MINING CO., LTD.
- Katsuyuki Tanabe
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Titanium dioxide-calcium carbonate composite particles
- Publication number 20030121451
- Publication date Jul 3, 2003
- Katsuyuki Tanabe
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Silica-calcium carbonate composite particle
- Publication number 20030029590
- Publication date Feb 13, 2003
- Katsuyuki Tanabe
- C01 - INORGANIC CHEMISTRY