Inventor

WAKAO YOSHIHARU

JP4 patents

⚠️ This page may combine multiple inventors who share the name “WAKAO YOSHIHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KATAYAMA CHEMICAL WORKS CO

2 patents

US7618545B2Nov 17, 2009

Method for treating ship ballast water

KATAYAMA CHEMICAL WORKS CO30 citations87

US5760091AJun 2, 1998

Preventive agents against adhesion of marine organisms and methods of preventing such adhesion of marine organisms

KATAYAMA CHEMICAL WORKS CO8 citations68

MITSUBISHI GAS CHEMICAL CO

1 patent

US6106770AAug 22, 2000

Method for preventing obstruction in aluminum brass pipes in a water flow path

MITSUBISHI GAS CHEMICAL CO32 citations87

FUKUYO YASUO

1 patent

US8123958B2Feb 28, 2012

Method for treating ship ballast water

FUKUYO YASUO0 citations28