Naoki Koga

Follow

Person

Kitakyushu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Sanitary ware
- Patent number 6,737,166
- Issue date May 18, 2004
- Toto Ltd.
- Naoki Koga
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Ceramics, ceramic blank, manufacturing method thereof, sanitary ear...
- Patent number 6,242,117
- Issue date Jun 5, 2001
- Toto Ltd.
- Naoki Koga
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for preparing high strength and high thermal shock-resistant...
- Patent number 6,107,223
- Issue date Aug 22, 2000
- Toto Ltd.
- Naoki Koga
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Sanitary ware
- Publication number 20030124359
- Publication date Jul 3, 2003
- Naoki Koga
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES