Yoshiharu Koyanagi

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Composting excretions from domestic animals
- Patent number 4,559,073
- Issue date Dec 17, 1985
- Niigata Engineering Co., Ltd.
- Hideo Minato
- C05 - FERTILISERS MANUFACTURE THEREOF