Isao Nagaoka

Follow

Person

Yokohama, JA

People

Patents Grantslast 30 patents

Information Patent Grant
Suction device for an oil separation tank
- Patent number 4,075,096
- Issue date Feb 21, 1978
- Bridgestone Tire Company Limited
- Hiroshi Kawakami
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Device for pulling up and paying out an oil boom
- Patent number 4,049,170
- Issue date Sep 20, 1977
- Bridgestone Tire Company Limited
- Hiroshi Kawakami
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING