Inventor

KUWAJIMA MASAHIRO

JP4 patents

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

MITSUI SHIPBUILDING ENG

2 patents

US7900780B2Mar 8, 2011

Ballast water intake and treatment system

MITSUI SHIPBUILDING ENG15 citations80

US7833411B2Nov 16, 2010

Ballast water treatment apparatus

MITSUI SHIPBUILDING ENG1 citations58

UEKI SHUJI

2 patents

US8147686B2Apr 3, 2012

Ballast water treatment apparatus

UEKI SHUJI1 citations56

US8147687B2Apr 3, 2012

Ballast water treatment apparatus

UEKI SHUJI1 citations56