Inventor

OKAMOTO YUKIHIKO

JP4 patents

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

JFE ENG CORP

2 patents

US7776224B2Aug 17, 2010

Apparatus for treating ballast water and method for treating ballast water

JFE ENG CORP14 citations77

US10669173B2Jun 2, 2020

Ballast water treatment device and ballast water treatment method

JFE ENG CORP7 citations69

NIPPON KOKAN KK

2 patents

US5231947AAug 3, 1993

Ship's rudder

NIPPON KOKAN KK11 citations66

US6497819B1Dec 24, 2002

Method and apparatus for treating waste water

NIPPON KOKAN KK2 citations57