Inventor

IWATA SHIGEO

2 patents

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

RICOH KK

1 patent

US7640268B2Dec 29, 2009

Positional information management system, positional information management method, recording medium, and mobile terminal

RICOH KK13 citations78

ISHIKAWAJIMA HARIMA HEAVY IND

1 patent

US3999566ADec 28, 1976

Method and apparatus for discharging overboard excess water from hopper of hopper suction dredger or barge or scow

ISHIKAWAJIMA HARIMA HEAVY IND13 citations61