Inventor

AIZAWA KOUJI

JP2 patents

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

HITACHI LTD

1 patent

US8033796B2Oct 11, 2011

Motor-mounted internal gear pump and manufacturing method thereof and electronic equipment

HITACHI LTD6 citations60

HITACHI IND CO LTD

1 patent

US7128523B2Oct 31, 2006

Drainage pump and underwater bearing unit

HITACHI IND CO LTD3 citations53