Masaharu Okamoto

Follow

Person

Hitachi, JA

People

Patents Grantslast 30 patents

Information Patent Grant
Flood control system for a dam
- Patent number 4,036,023
- Issue date Jul 19, 1977
- Hitachi, Ltd.
- Kuniaki Matsumoto
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING