Sadao Hagiwara

Follow

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of preparing heating type paving material as well as composi...
- Patent number 6,281,273
- Issue date Aug 28, 2001
- Toho Chemical Industry Co., Ltd.
- Seitaro Ando
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...