Tadashi Koga

Follow

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of producing single crystalline, acicular .alpha.-ferric oxide
- Patent number 4,414,196
- Issue date Nov 8, 1983
- Sakai Chemical Industry Co., Ltd.
- Seiji Matsumoto
- C30 - CRYSTAL GROWTH
Information Patent Grant
Production of acicular ferric oxide
- Patent number 4,202,871
- Issue date May 13, 1980
- Sakai Chemical Industry Co., Ltd.
- Seiji Matsumoto
- B82 - NANO-TECHNOLOGY